MECON INC
8-A12G, 1997-04-14
COMPUTER PROGRAMMING SERVICES
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<PAGE>

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   __________


                                    FORM 8-A


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


                                   MECON, INC.                           
             (Exact name of Registrant as specified in its charter)



              Delaware                                   94-2702762       
- ---------------------------------------      ---------------------------------
(State of incorporation or organization)     (IRS Employer Identification No.)


                           200 Porter Drive, Suite 100
                               San Ramon, CA  94583
               (Address of principal executive offices) (Zip Code)

                                   __________


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

     Title of each class                  Name of each exchange on which
     to be so registered                  each class is to be registered
     -------------------                  ------------------------------
          None                                        None


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


                         Preferred Share Purchase Rights
                         -------------------------------
                                (Title of Class)


<PAGE>


ITEM 1.   DESCRIPTION OF SECURITIES TO BE REGISTERED.

     Pursuant to the Preferred Shares Rights Agreement (the "Rights 
Agreement") dated as of April 9, 1997 between Mecon, Inc., a Delaware 
corporation (the "Company"), and Chase Mellon Shareholder Services, L.L.C., 
as Rights Agent (the "Rights Agent"), the Company's Board of Directors 
declared a dividend of one right (a "Right") to purchase one one-thousandth 
(0.001) of a share of the Company's Series A Participating Preferred Stock 
("Series A Preferred") for each outstanding share of Common Stock ("Common 
Shares") of the Company.  The dividend is payable on March 14, 1997 (the 
"Record Date") to stockholders of record as of the close of business on that 
date.  Each Right entitles the registered holder to purchase from the Company 
one one-thousandth of a share of Series A Preferred at an exercise price of 
$55.00 (the "Purchase Price"), subject to adjustment.  The following summary 
of the principal terms of the Rights Agreement is a general description only 
and is subject to the detailed terms and conditions of the Rights Agreement.  
A copy of the Rights Agreement is attached as Exhibit 5 to this Registration 
Statement and is incorporated herein by reference.

     RIGHTS EVIDENCED BY COMMON SHARE CERTIFICATES.  The Rights will not be 
exercisable until the Distribution Date (defined below).  Until the 
Distribution Date, certificates for the Rights ("Rights Certificates") will 
not be sent to stockholders; instead, the Rights will attach to and trade 
only together with the Common Shares.  Accordingly, Common Share certificates 
outstanding on the Record Date will evidence the Rights related thereto, and 
Common Share certificates issued after the Record Date will contain a 
notation incorporating the Rights Agreement by reference.  Until the 
Distribution Date (or the earlier redemption or expiration of the Rights), 
the surrender or transfer of any certificates for Common Shares outstanding 
as of the Record Date, even without the notation or a copy of the Summary of 
Rights being attached thereto, will also constitute the transfer of the 
Rights associated with the Common Shares represented by such certificate.    

     DISTRIBUTION DATE.  The Rights will separate from the Common Shares, 
Rights Certificates will be issued and the Rights will become exercisable 
upon the earlier of:  (i) 10 business days (or such later date as may be 
determined by a majority of the Board of Directors) following a public 
announcement that a person or group of affiliated or associated persons (an 
"Acquiring Person") has acquired, or obtained the right to acquire, 
beneficial ownership of 15% or more of the outstanding Common Shares or (ii) 
10 business days (or such later date as may be determined by a majority of 
the Board of Directors) following the commencement of, or announcement of an 
intention to make, a tender offer or exchange offer the consummation of which 
would result in the beneficial ownership by a person or group of 15% or more 
of the outstanding Common Shares. The earlier of such dates is referred to as 
the "Distribution Date."

     ISSUANCE OF RIGHTS CERTIFICATES; EXPIRATION OF RIGHTS.  As soon as 
practicable following the Distribution Date, separate Rights Certificates 
will be mailed to holders of record of the Common Shares as of the close of 
business on the Distribution Date and such separate Rights Certificates alone 
will evidence the Rights from and after the Distribution Date.  All Common 
Shares issued prior to the Distribution Date will be issued with Rights.  
Common Shares issued after the Distribution Date may be issued with Rights if 
such shares are issued (i) upon the conversion of any convertible securities 
issued after adoption of the Rights Agreement or (ii) pursuant to the 
exercise of stock options or under employee benefit plans or arrangements 
unless such issuance would result in (or create a risk that) such 


                                     -2-

<PAGE>


options, plans or arrangements would not qualify for otherwise available 
special tax treatment.  Except as otherwise determined by the Board of 
Directors, no other Common Shares issued after the Distribution Date will be 
issued with Rights.  The Rights will expire on the earliest of (i) February 
26, 2007 (the "Final Expiration Date") or (ii) redemption or exchange of the 
Rights as described below.

     INITIAL EXERCISE OF THE RIGHTS.  Following the Distribution Date, and 
until one of the further events described below, holders of the Rights will 
be entitled to receive, upon exercise and the payment of $55.00 per Right, 
one one-thousandth (0.001) of a share of the Series A Preferred.  In the 
event that the Company does not have sufficient Series A Preferred available 
for all Rights to be exercised, or the Board decides that such action is 
necessary and not contrary to the interests of Rights holders, the Company 
may instead substitute cash, assets or other securities for the Series A 
Preferred for which the Rights would have been exercisable under this 
provision or as described below.

     RIGHT TO BUY COMPANY COMMON SHARES.  Unless the Rights are earlier 
redeemed, in the event that an Acquiring Person becomes the beneficial owner 
of 15% or more of the Company's Common Shares then outstanding, then each 
holder of a Right which has not theretofore been exercised (other than Rights 
beneficially owned by the Acquiring Person, which will thereafter be void) 
will thereafter have the right to receive, upon exercise, Common Shares 
having a value equal to two times the Purchase Price.  Rights are not 
exercisable following the occurrence of an event as described above until 
such time as the Rights are no longer redeemable by the Company as set forth 
below.

     RIGHT TO BUY ACQUIRING COMPANY STOCK.  Unless the Rights are earlier 
redeemed, in the event that, after the Shares Acquisition Date (as defined 
below), (i) the Company is acquired in a merger or other business combination 
transaction, or (ii) the Company consummates a merger or other business 
combination transaction in which the Company is the continuing or surviving 
corporation, or (iii) 30% or more of the Company's assets or earning power 
are sold, each holder of a Right which has not theretofore been exercised 
(other than Rights beneficially owned by the Acquiring Person, which will 
thereafter be void) will thereafter have the right to receive, upon exercise, 
shares of common stock of (i) the corporation acquiring the Company or (ii) 
the Company or (iii) the purchaser of 30% or more of the Company's assets or 
earning power, respectively, such shares in each case having a value equal to 
two times the Purchase Price.

     EXCHANGE PROVISION.  At any time after the acquisition by an Acquiring 
Person of 15% or more of the Company's outstanding Common Shares and prior to 
the acquisition by such Acquiring Person of 30% or more of the Company's 
outstanding Common Shares, the Board of Directors of the Company may exchange 
the Rights (other than Rights owned by the Acquiring Person), in whole or in 
part, at an exchange ratio of one Common Share per Right.

     REDEMPTION.  At any time on or prior to the close of business on the 
earlier of (i) the 10th day following the acquisition by an Acquiring Person 
of 15% or more of the Company's outstanding Common Shares (the "Shares 
Acquisition Date") or such later date as may be determined by a majority of 
the Board of Directors and publicly announced by the Company, or (ii) the 
Final Expiration Date of the Rights, the Company may redeem the Rights in 
whole, but not in part, at a price of $0.01 per Right.


                                     -3-

<PAGE>

     ADJUSTMENTS TO PREVENT DILUTION.  The Purchase Price payable, the number 
of Rights, and the number of Series A Preferred or Common Shares or other 
securities or property issuable upon exercise of the Rights are subject to 
adjustment from time to time in connection with the dilutive issuances by the 
Company as set forth in the Rights Agreement.  With certain exceptions, no 
adjustment in the Purchase Price will be required until cumulative 
adjustments require an adjustment of at least 1% in such Purchase Price.

     CASH PAID INSTEAD OF ISSUING FRACTIONAL SHARES.  No fractional portion 
less than integral multiples of one Common Share will be issued upon exercise 
of a Right and in lieu thereof, an adjustment in cash will be made based on 
the market price of the Common Shares on the last trading date prior to the 
date of exercise.

     NO STOCKHOLDERS' RIGHTS PRIOR TO EXERCISE.  Until a Right is exercised, 
the holder thereof, as such, will have no rights as a stockholder of the 
Company (other than any rights resulting from such holder's ownership of 
Common Shares), including, without limitation, the right to vote or to 
receive dividends.

     AMENDMENT OF RIGHTS AGREEMENT.  The provisions of the Rights Agreement 
may be supplemented or amended by the Board of Directors in any manner prior 
to the close of business on the date of the acquisition by an Acquiring 
Person of 15% or more of the Company's outstanding Common Shares without the 
approval of Rights holders.  After the Distribution Date, the provisions of 
the Rights Agreement may be amended by the Board in order to cure any 
ambiguity, defect or inconsistency, to make changes which do not adversely 
affect the interests of holders of Rights (excluding the interests of any 
Acquiring Person), or to shorten or lengthen any time period under the Rights 
Agreement; provided, however, that no amendment to adjust the time period 
governing redemption shall be made at such time as the Rights are not 
redeemable.

     RIGHTS AND PREFERENCES OF THE SERIES A PREFERRED.  Series A Preferred 
purchasable upon exercise of the Rights will not be redeemable.  Each share 
of Series A Preferred will be entitled to an aggregate dividend of 1,000 
times the dividend declared per Common Share.  In the event of liquidation, 
the holders of the Series A Preferred will be entitled to a minimum 
preferential liquidation payment equal to 1,000 times the aggregate amount to 
be distributed per share to holders of Common Shares plus an amount equal to 
any accrued and unpaid dividends on the Series A Preferred.  Each share of 
Series A Preferred will have 1,000 votes, and will vote together with the 
Common Shares.  In the event of any merger, consolidation or other 
transaction in which the Common Shares are changed or exchanged, each share 
of Series A Preferred will be entitled to receive 1,000 times the amount 
received per Common Share.  These rights are protected by customary 
anti-dilution provisions.

     Because of the nature of the dividend, liquidation and voting rights of 
the shares of Series A Preferred, the value of the one one-thousandth 
interest in a share of Series A Preferred purchasable upon exercise of each 
Right should approximate the value of one Common Share.

     CERTAIN ANTI-TAKEOVER EFFECTS.  The Rights approved by the Board are 
designed to protect and maximize the value of the outstanding equity 
interests in the Company in the event of an unsolicited 


                                     -4-

<PAGE>

attempt by an acquiror to take over the Company in a manner or on terms not 
approved by the Board of Directors. Takeover attempts frequently include 
coercive tactics to deprive the Company's Board of Directors and its 
stockholders of any real opportunity to determine the destiny of the Company 
or to evaluate and protect the long-term value of the Company.  The Rights 
are not intended to prevent a takeover of the Company.  The Rights may be 
redeemed by the Company at $0.01 per Right within ten days (or such later 
date as may be determined by a majority of the Board of Directors) after the 
accumulation of 15% or more of the Company's shares by a single acquiror or 
group.  Accordingly, the Rights should not interfere with any merger or 
business combination approved by the Board of Directors.  Issuance of the 
Rights does not in any way weaken the financial strength of the Company or 
interfere with its business plans.  The issuance of the Rights themselves has 
no dilutive effect, will not affect reported earnings per share, should not 
be taxable to the Company or to its stockholders, and will not change the way 
in which the Company's shares are presently traded.  The Company's Board of 
Directors believes that the Rights represent a sound and reasonable means of 
addressing the complex issues of corporate policy created by the current 
takeover environment.    However, the Rights may have the effect of rendering 
more difficult or discouraging an acquisition of the Company deemed 
undesirable by the Board of Directors.  The Rights may cause substantial 
dilution to a person or group that attempts to acquire the Company on terms 
or in a manner not approved by the Company's Board of Directors, except 
pursuant to an offer conditioned upon the negation, purchase or redemption of 
the Rights.



                                     -5-

<PAGE>

ITEM 2.   EXHIBITS.

          1.   Specimen certificate for the Company's Common Stock. (1)

          2.   Restated Certificate of Incorporation of the Company. (2)

          3.   Certificate of Designation of Rights, Preferences and Privileges
               of Series A Participating Stock of the Company. (3)

          4.   Bylaws of the Company, as amended. (4)

          5.   Preferred Shares Rights Agreement, dated as of April 9, 1997,
               between Mecon, Inc. and Chase Mellon Shareholder Services,
               L.L.C., including the Certificate of Designation, the form of
               Rights Certificate and the Summary of Rights attached thereto as
               Exhibits A, B and C, respectively. (3)
____________________
(1)  Incorporated by reference to Exhibit 4.1 to the Company's Registration
     Statement on Form SB-2  (Commission File No. 33-98206-LA) declared
     effective by the Commission on December 6, 1995.

(2)  Incorporated by reference to Exhibit 3.2 to the Company's Registration
     Statement on Form SB-2 (Commission File No. 33-98206-LA) declared effective
     by the Commission on December 6, 1996.

(3)  Exhibit filed herewith.

(4)  Incorporated by reference to Exhibit 3.3 to the Company's Registration
     Statement on Form SB-2 (Commission File No. 33-98206-LA) declared effective
     by the Commission on December 6, 1995.



                                     -6-

<PAGE>

                                    SIGNATURE


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

                                   MECON, INC.


Date:  April 14, 1997          
                                   By: /s/ LES SCHMIDT
                                      -------------------------------------
                                      Les Schmidt
                                      President and Chief Executive Officer



                                     -7-

<PAGE>
                                                                 EXHIBIT 3


               CERTIFICATE OF DESIGNATIONS OF RIGHTS, PREFERENCES
                                AND PRIVILEGES OF
                     SERIES A PARTICIPATING PREFERRED STOCK
                                 OF MECON, INC.


     The undersigned, Les Schmidt and Jeffrey D. Saper do hereby certify:

     1.   That they are the duly elected and acting President and Secretary, 
respectively, of Mecon, Inc., a Delaware corporation (the "CORPORATION").

     2.   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 February 26, 1997 adopted the following resolution 
creating a series of 20,000 shares of Preferred Stock designated as Series A 
Participating Preferred Stock:

     "RESOLVED, that pursuant to the authority vested in the Board of 
Directors of the corporation by the Restated Certificate of Incorporation, 
the Board of Directors does hereby provide for the issue of a series of 
Preferred Stock of the Corporation and does hereby fix and herein state and 
express the designations, powers, preferences and relative and other special 
rights and the qualifications, limitations and restrictions of such series of 
Preferred Stock as follows:

     Section 1.     DESIGNATION AND AMOUNT.  The shares of such series shall 
be designated as "SERIES A PARTICIPATING PREFERRED STOCK." The Series A 
Participating Preferred Stock shall have a par value of $.001 per share, and 
the number of shares constituting such series shall be 20,000.

     Section 2.     PROPORTIONAL ADJUSTMENT.  In the event the Corporation 
shall at any time after the issuance of any share or shares of Series A 
Participating Preferred Stock (i) declare any dividend on Common Stock of the 
Corporation ("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 
Corporation shall simultaneously effect a proportional adjustment to the 
number of outstanding shares of Series A Participating Preferred Stock.

     Section 3.     DIVIDENDS AND DISTRIBUTIONS.

          (a)  Subject to the prior and superior right of the holders of any 
shares of any series of Preferred Stock ranking prior and superior to the 
shares of Series A Participating Preferred Stock with respect to dividends, 
the holders of shares of Series A Participating Preferred Stock shall be 
entitled to receive when, as and if declared by the Board of Directors out of 
funds legally available for the purpose, quarterly dividends payable in cash 
on the last day of January, April, July and October in each year (each such 
date being referred to herein as a "QUARTERLY DIVIDEND PAYMENT DATE"), 


<PAGE>

commencing on the first Quarterly Dividend Payment Date after the first 
issuance of a share or fraction of a share of Series A Participating 
Preferred Stock, in an amount per share (rounded to the nearest cent) equal 
to 1,000 times the aggregate per share amount of all cash dividends, and 
1,000 times the aggregate per share amount (payable in kind) of all non-cash 
dividends or other distributions other than a dividend payable in shares of 
Common Stock or a subdivision of the outstanding shares of Common Stock (by 
reclassification or otherwise), declared on the Common Stock since the 
immediately preceding Quarterly Dividend Payment Date, or, with respect to 
the first Quarterly Dividend Payment Date, since the first issuance of any 
share or fraction of a share of Series A Participating Preferred Stock.

          (b)  The Corporation shall declare a dividend or distribution on 
the Series A Participating Preferred Stock as provided in paragraph (a) above 
immediately after it declares a dividend or distribution on the Common Stock 
(other than a dividend payable in shares of Common Stock).

          (c)  Dividends shall begin to accrue on outstanding shares of 
Series A Participating Preferred Stock from the Quarterly Dividend Payment 
Date next preceding the date of issue of such shares of Series A 
Participating Preferred Stock, unless the date of issue of such shares is 
prior to the record date for the first Quarterly Dividend Payment Date, in 
which case dividends on such shares shall begin to accrue from the date of 
issue of such shares, or unless the date of issue is a Quarterly Dividend 
Payment Date or is a date after the record date for the determination of 
holders of shares of Series A Participating Preferred Stock entitled to 
receive a quarterly dividend and before such Quarterly Dividend Payment Date, 
in either of which events such dividends shall begin to accrue from such 
Quarterly Dividend Payment Date.  Accrued but unpaid dividends shall not bear 
interest.  Dividends paid on the shares of Series A Participating 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 Participating Preferred Stock entitled to receive payment of a 
dividend or distribution declared thereon, which record date shall be no more 
than 30 days prior to the date fixed for the payment thereof.

     Section 4.     VOTING RIGHTS.  The holders of shares of Series A 
Participating Preferred Stock shall have the following voting rights:

          (a)  Each share of Series A Participating Preferred Stock shall 
entitle the holder thereof to 1,000 votes on all matters submitted to a vote 
of the stockholders of the Corporation. 

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


                                     -2-

<PAGE>

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

     Section 5.     CERTAIN RESTRICTIONS.

          (a)  The Corporation shall not declare any dividend on, make any 
distribution on, or redeem or purchase or otherwise acquire for consideration 
any shares of Common Stock after the first issuance of a share or fraction of 
a share of Series A Participating Preferred Stock unless concurrently 
therewith it shall declare a dividend on the Series A Participating Preferred 
Stock as required by Section 3 hereof.

          (b)  Whenever quarterly dividends or other dividends or 
distributions payable on the Series A Participating Preferred Stock as 
provided in Section 3 are in arrears, thereafter and until all accrued and 
unpaid dividends and distributions, whether or not declared, on shares of 
Series A Participating Preferred Stock outstanding shall have been paid in 
full, the Corporation shall not

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

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

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

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


                                     -3-

<PAGE>

          (c)  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 5, purchase or otherwise acquire such shares at such time and in 
such manner.

     Section 6.     REACQUIRED SHARES.  Any shares of Series A Participating 
Preferred Stock purchased or otherwise acquired by the Corporation in any 
manner whatsoever shall be retired and canceled promptly after the 
acquisition thereof.  All such shares shall upon their cancellation become 
authorized but unissued shares of Preferred Stock and may be reissued as part 
of a new series of Preferred Stock to be created by resolution or resolutions 
of the Board of Directors, subject to the conditions and restrictions on 
issuance set forth herein and in the Restated Certificate of Incorporation, 
as then amended.

     Section 7.     LIQUIDATION, DISSOLUTION OR WINDING UP.  Upon any 
liquidation, dissolution or winding up of the Corporation, the holders of 
shares of Series A Participating Preferred Stock shall be entitled to receive 
an aggregate amount per share equal to 1,000 times the aggregate amount to be 
distributed per share to holders of shares of Common Stock plus an amount 
equal to any accrued and unpaid dividends on such shares of Series A 
Participating Preferred Stock.

     Section 8.     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 Participating Preferred Stock shall at the same time 
be similarly exchanged or changed in an amount per share equal to 1,000 times 
the aggregate amount of stock, securities, cash and/or any other property 
(payable in kind), as the case may be, into which or for which each share of 
Common Stock is changed or exchanged.

     Section 9.     NO REDEMPTION.  The shares of Series A Participating 
Preferred Stock shall not be redeemable.

     Section 10.    RANKING.  The Series A Participating Preferred Stock 
shall rank junior to all other series of the Corporation's Preferred Stock as 
to the payment of dividends and the distribution of assets, unless the terms 
of any such series shall provide otherwise.

     Section 11.    AMENDMENT.  The Restated Certificate of Incorporation of 
the Corporation shall not be further amended in any manner which would 
materially alter or change the powers, preference or special rights of the 
Series A Participating Preferred Stock so as to affect them adversely without 
the affirmative vote of the holders of a majority of the outstanding shares 
of Series A Participating Preferred Stock, voting separately as a series.

     Section 12.    FRACTIONAL SHARES.  Series A Participating 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 to have the benefit of 
all other rights of holders of Series A Participating Preferred Stock.


                                     -4-

<PAGE>

     RESOLVED FURTHER, that the President or any Vice President and the 
Secretary or any Assistant Secretary of this corporation be, and they hereby 
are, authorized and directed to prepare and file a Certificate of Designation 
of Rights, Preferences and Privileges in accordance with the foregoing 
resolution and the provisions of Delaware law and to take such actions as 
they may deem necessary or appropriate to carry out the intent of the 
foregoing resolution."

     We further declare under penalty of perjury that the matters set forth 
in the foregoing Certificate of Designation are true and correct of our own 
knowledge.

     Executed at San Ramon, California on April 9, 1997.



                            /s/ Les Schmidt                         
                            --------------------------------------------------
                            Les Schmidt, President and Chief Executive Officer


                            /s/ Jeffrey D. Saper                               
                            --------------------------------------------------
                            Jeffrey D. Saper, Secretary




                                   -5-

<PAGE>

                                                             EXHIBIT 5





                                   MECON, INC.

                                       and

                    CHASEMELLON SHAREHOLDER SERVICES, L.L.C.

                                  Rights Agent






                        PREFERRED SHARES RIGHTS AGREEMENT


                            DATED AS OF APRIL 9, 1997

<PAGE>


                                TABLE OF CONTENTS

                                                                            PAGE
                                                                            ----

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

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

Section 3.     Issuance of Rights Certificates . . . . . . . . . . . . . . . . 7

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

Section 5.     Countersignature and Registration . . . . . . . . . . . . . . . 9

Section 6.     Transfer, Split Up, Combination and Exchange of Rights
               Certificates; Mutilated, Destroyed, Lost or Stolen Rights
               Certificates. . . . . . . . . . . . . . . . . . . . . . . . . .10

Section 7.     Exercise of Rights; Exercise Price; Expiration Date of Rights .11

Section 8.     Cancellation and Destruction of Rights Certificates . . . . . .13

Section 9.     Reservation and Availability of Preferred Shares. . . . . . . .13

Section 10.    Preferred Shares Record Date. . . . . . . . . . . . . . . . . .14

Section 11.    Adjustment of Exercise Price, Number of Shares or Number of
               Rights. . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Section 12.    Certificate of Adjusted Exercise Price or Number of Shares. . .21

Section 13.    Consolidation, Merger or Sale or Transfer of Assets or Earning
               Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Section 14.    Fractional Rights and Fractional Shares . . . . . . . . . . . .25

Section 15.    Rights of Action. . . . . . . . . . . . . . . . . . . . . . . .26

Section 16.    Agreement of Rights Holders . . . . . . . . . . . . . . . . . .26

Section 17.    Rights Certificate Holder Not Deemed a Stockholder. . . . . . .27

Section 18.    Concerning the Rights Agent . . . . . . . . . . . . . . . . . .27

Section 19.    Merger or Consolidation or Change of Name of Rights Agent . . .28

Section 20.    Duties of Rights Agent. . . . . . . . . . . . . . . . . . . . .28



                                      -i-
<PAGE>

                                TABLE OF CONTENTS
                                   (continued)

                                                                            PAGE
                                                                            ----

Section 21.    Change of Rights Agent. . . . . . . . . . . . . . . . . . . . .30

Section 22.    Issuance of New Rights Certificates . . . . . . . . . . . . . .31

Section 23.    Redemption. . . . . . . . . . . . . . . . . . . . . . . . . . .32

Section 24.    Exchange. . . . . . . . . . . . . . . . . . . . . . . . . . . .32

Section 25.    Notice of Certain Events. . . . . . . . . . . . . . . . . . . .34

Section 26.    Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

Section 27.    Supplements and Amendments. . . . . . . . . . . . . . . . . . .35

Section 28.    Successors. . . . . . . . . . . . . . . . . . . . . . . . . . .36

Section 29.    Determinations and Actions by the Board of Directors, etc.. . .36

Section 30.    Benefits of this Agreement. . . . . . . . . . . . . . . . . . .36

Section 31.    Severability. . . . . . . . . . . . . . . . . . . . . . . . . .36

Section 32.    Governing Law . . . . . . . . . . . . . . . . . . . . . . . . .37

Section 33.    Counterparts. . . . . . . . . . . . . . . . . . . . . . . . . .37

Section 34.    Descriptive Headings. . . . . . . . . . . . . . . . . . . . . .37


EXHIBITS

Exhibit A      Form of Certificate of Determination

Exhibit B      Form of Rights Certificate

Exhibit C      Summary of Rights



                                     -ii-
<PAGE>

                               RIGHTS AGREEMENT


     Agreement, dated as of April 9, 1997, between Mecon, Inc., a Delaware 
corporation, and ChaseMellon Shareholder Services, L.L.C.

     On February 26, 1997 (the "RIGHTS DIVIDEND DECLARATION DATE"), the Board 
of Directors of the Company authorized and declared a dividend of one Preferred 
Share Purchase Right (a "RIGHT") for each Common Share (as hereinafter defined) 
of the Company outstanding as of the Close of Business (as hereinafter defined) 
on March 14, 1997 (the "RECORD DATE"), each Right representing the right to 
purchase one one-thousandth of a share of Series A Participating Preferred 
Stock (as such number may be adjusted pursuant to the provisions of this 
Agreement), having the rights, preferences and privileges set forth in the form 
of Certificate of Designations of Rights, Preferences and Privileges of Series 
A Participating Preferred Stock attached hereto as Exhibit A, upon the terms 
and subject to the conditions herein set forth, and further authorized and 
directed the issuance of one Right (as such number may be adjusted pursuant to 
the provisions of this Agreement) with respect to each Common Share that shall 
become outstanding between the Record Date and the earlier of the Distribution 
Date and the Expiration Date (as such terms are hereinafter defined), and in 
certain circumstances after the Distribution Date.

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

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

          (a)    "ACQUIRING PERSON" shall mean any Person who or which, 
together with all Affiliates and Associates of such Person, shall be the 
Beneficial Owner of 15% or more of the Common Shares then outstanding, but 
shall not include (i) the Company; (ii) any Subsidiary of the Company; or (iii) 
any employee benefit plan of the Company or of any Subsidiary of the Company, 
or any entity holding Common Shares for or pursuant to the terms of any such 
plan.  No Person shall be deemed to be an Acquiring Person if such Person shall 
become the beneficial owner of 15% or more of the Common Shares of the Company 
then outstanding not be reason of additional share purchases but solely as the 
result of an acquisition of Common Shares by the Company which, by reducing the 
number of shares outstanding, increases the proportionate number of shares 
beneficially owned by such Person to 15% or more of the Common Shares of the 
Company then outstanding; PROVIDED, HOWEVER, that if a Person shall become the 
Beneficial Owner of 15% or more of the Common Shares of the Company then 
outstanding by reason of share purchases by the Company and shall, after such 
share purchases by the Company, become the Beneficial Owner of any additional 
Common Shares of the Company (other than pursuant to a dividend or distribution 
paid or made by the Company on the outstanding Common Shares in Common Shares 
or pursuant to a split or subdivision of the outstanding Common Shares), then 
such Person shall be deemed to be an Acquiring Person unless upon becoming the 
Beneficial Owner of such additional Common Shares of the Company such Person 
does not beneficially own 15% or more of the Common Shares of the Company then 
outstanding. 



<PAGE>


Notwithstanding the foregoing, (i) if the Company's Board of Directors 
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 
(A) such Person was unaware that it beneficially owned a percentage of the 
Common Shares that would otherwise cause such Person to be an "Acquiring 
Person," as defined pursuant to the foregoing provisions of this paragraph 
(a), or (B) such Person was aware of the extent of the Common Shares it 
beneficially owned 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 if such Person divested 
or divests as promptly as practicable and in any event within such period of 
time as the Board may specify a sufficient number of Common Shares 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; (ii)  if, as of the date hereof, any Person is the Beneficial 
Owner of 15% or more of the Common Shares outstanding, such Person shall not 
be or become an "Acquiring Person," as defined pursuant to the foregoing 
provisions of this paragraph (a), unless and until such time as such Person 
shall become the Beneficial Owner of an additional 5% or more of the Common 
Shares outstanding as of the date hereof (other than pursuant to a dividend 
or distribution paid or made by the Company on the outstanding Common Shares 
in Common Shares or pursuant to a split or subdivision of the outstanding 
Common Shares), unless, upon becoming the Beneficial Owner of such additional 
Common Shares, such Person is not then the Beneficial Owner of 15% or more of 
the Common Shares then outstanding.

          (b)    "ADJUSTMENT FRACTION" shall have the meaning set forth in 
Section 11(a)(i) hereof.

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

          (d)    A Person shall be deemed the "BENEFICIAL OWNER" of and shall be
deemed to "BENEFICIALLY OWN" any securities:

                 (i)    which such Person or any of such Person's Affiliates or 
Associates beneficially owns, directly or indirectly, for purposes of Section 
13(d) of the Exchange Act and Rule 13d-3 thereunder (or any comparable or 
successor law or regulation);

                (ii)    which such Person or any of such Person's Affiliates or 
Associates has (A) the right to acquire (whether such right is exercisable 
immediately or only after the passage of time) pursuant to any agreement, 
arrangement or understanding (other than customary agreements with and between 
underwriters and selling group members with respect to a bona fide public 
offering of securities), or upon the exercise of conversion rights, exchange 
rights, rights (other than the Rights), warrants or options, or otherwise; 
PROVIDED, HOWEVER, that a Person shall not be deemed pursuant to this Section 
1(d)(ii)(A) to be the Beneficial Owner of, or to beneficially own, (1) 
securities tendered pursuant to a tender or exchange offer made by or on behalf 
of such Person or 


                                      -2-

<PAGE>

any of such Person's Affiliates or Associates until such tendered securities 
are accepted for purchase or exchange, or (2) securities which a Person or any 
of such Person's Affiliates or Associates may be deemed to have the right to 
acquire pursuant to any merger or other acquisition agreement between the 
Company and such Person (or one or more of its Affiliates or Associates) if 
such agreement has been approved by the Board of Directors of the Company prior 
to there being an Acquiring Person; or (B) the right to vote pursuant to any 
agreement, arrangement or understanding; PROVIDED, HOWEVER, that a Person shall 
not be deemed the Beneficial Owner of, or to beneficially own, any security 
under this Section 1(d)(ii)(B) if the agreement, arrangement or understanding 
to vote such security (1) arises solely from a revocable proxy or consent given 
to such Person in response to a public proxy or consent solicitation made 
pursuant to, and in accordance with, the applicable rules and regulations of 
the Exchange Act and (2) is not also then reportable on Schedule 13D under the 
Exchange Act (or any comparable or successor report); or

                (iii)    which are beneficially owned, directly or indirectly, 
by any other Person (or any Affiliate or Associate thereof) with which such 
Person or any of such Person's Affiliates or Associates has any agreement, 
arrangement or understanding, whether or not in writing (other than customary 
agreements with and between underwriters and selling group members with respect 
to a bona fide public offering of securities) for the purpose of acquiring, 
holding, voting (except to the extent contemplated by the proviso to Section 
1(d)(ii)(B)) or disposing of any securities of the Company; PROVIDED, HOWEVER, 
that in no case shall an officer or director of the Company be deemed (x) the 
Beneficial Owner of any securities beneficially owned by another officer or 
director of the Company solely by reason of actions undertaken by such persons 
in their capacity as officers or directors of the Company or (y) the Beneficial 
Owner of securities held of record by the trustee of any employee benefit plan 
of the Company or any Subsidiary of the Company for the benefit of any employee 
of the Company or any Subsidiary of the Company, other than the officer or 
director, by reason of any influence that such officer or director may have 
over the voting of the securities held in the plan.

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

          (f)     "CLOSE OF BUSINESS" on any given date shall mean 5:00 P.M., 
New York time, on such date; PROVIDED, HOWEVER, that if such date is not a 
Business Day it shall mean 5:00 P.M., New York time, on the next succeeding 
Business Day.

          (g)     "COMMON SHARES" when used with reference to the Company shall 
mean the shares of Common Stock of the Company, $.001 par value.  Common Shares 
when used with reference to any Person other than the Company shall mean the 
capital stock (or equity interest) with the greatest voting power of such other 
Person or, if such other Person is a Subsidiary of another Person, the Person 
or Persons which ultimately control such first-mentioned Person.

          (h)     "COMMON STOCK EQUIVALENTS" shall have the meaning set forth 
in Section 11(a)(iii) hereof.


                                      -3-

<PAGE>

          (i)     "COMPANY" shall mean Mecon, Inc., a Delaware corporation, 
subject to the terms of Section 13(a)(iii)(C) hereof.

          (j)     "CURRENT PER SHARE MARKET PRICE" of any security (a 
"Security" for purposes of this definition), for all computations other than 
those made pursuant to Section 11(a)(iii) hereof, shall mean the average of the 
daily closing prices per share of such Security for the thirty (30) consecutive 
Trading Days immediately prior to such date, and for purposes of computations 
made pursuant to Section 11(a)(iii) hereof, the Current Per Share Market Price 
of any Security on any date shall be deemed to be the average of the daily 
closing prices per share of such Security for the ten (10) consecutive Trading 
Days immediately prior to such date; PROVIDED, HOWEVER, that in the event that 
the Current Per Share Market Price of the Security is determined during a 
period following the announcement by the issuer of such Security of (i) a 
dividend or distribution on such Security payable in shares of such Security or 
securities convertible into such shares or (ii) any subdivision, combination or 
reclassification of such Security, and prior to the expiration of the 
applicable thirty (30) Trading Day or ten (10) Trading Day period, after the 
ex-dividend date for such dividend or distribution, or the record date for such 
subdivision, combination or reclassification, then, and in each such case, the 
Current Per Share Market Price shall be appropriately adjusted to reflect the 
current market price per share equivalent of such Security.  The closing price 
for each day shall be the last sale price, regular way, or, in case no such 
sale takes place on such day, the average of the closing bid and asked prices, 
regular way, in either case as reported in the principal consolidated 
transaction reporting system with respect to securities listed or admitted to 
trading on the New York Stock Exchange or, if the Security is not listed or 
admitted to trading on the New York Stock Exchange, as reported in the 
principal consolidated transaction reporting system with respect to securities 
listed on the principal national securities exchange on which the Security is 
listed or admitted to trading or, if the Security is not listed or admitted to 
trading on any national securities exchange, the last sale price or, if such 
last sale price is not reported, the average of the high bid and low asked 
prices in the over-the-counter market, as reported by Nasdaq or such other 
system then in use, or, if on any such date the Security is not quoted by any 
such organization, the average of the closing bid and asked prices as furnished 
by a professional market maker making a market in the Security selected by the 
Board of Directors of the Company.  If on any such date no market maker is 
making a market in the Security, 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.  If the Preferred Shares are not publicly traded, the Current Per Share 
Market Price of the Preferred Shares shall be conclusively deemed to be the 
Current Per Share Market Price of the Common Shares as determined pursuant to 
this Section 1(j), as appropriately adjusted to reflect any stock split, stock 
dividend or similar transaction occurring after the date hereof, multiplied by 
1000.  If the Security is not publicly held or so listed or traded, Current Per 
Share Market Price shall mean the fair value per share as determined in good 
faith by the Board of Directors of the Company, whose determination shall be 
described in a statement filed with the Rights Agent and shall be conclusive 
for all purposes.

          (k)     "CURRENT VALUE" shall have the meaning set forth in Section 
11(a)(iii) hereof.

          (l)     "DISTRIBUTION DATE" shall mean the earlier of (i) the Close 
of Business on the tenth day (or such later date as may be determined by action 
of the Company's Board of Directors) 


                                      -4-

<PAGE>

after the Shares Acquisition Date (or, if the tenth day after the Shares 
Acquisition Date occurs before the Record Date, the Close of Business on the 
Record Date) or (ii) the Close of Business on the tenth Business Day (or such 
later date as may be determined by the Company's Board of Directors) after the 
date that a tender or exchange offer by any Person (other than the Company, any 
Subsidiary of the Company, any employee benefit plan of the Company or of any 
Subsidiary of the Company, or any Person or entity organized, appointed or 
established by the Company for or pursuant to the terms of any such plan) is 
first published or sent or given within the meaning of Rule 14d-2(a) of the 
General Rules and Regulations under the Exchange Act, if, assuming the 
successful consummation thereof, such Person would be an Acquiring Person.

          (m)     "EQUIVALENT SHARES" shall mean Preferred Shares and any other 
class or series of capital stock of the Company which is entitled to the same 
rights, privileges and preferences as the Preferred Shares.

          (n)     "EXCHANGE ACT" shall mean the Securities Exchange Act of 
1934, as amended.

          (o)     "EXCHANGE RATIO" shall have the meaning set forth in Section 
24(a) hereof.

          (p)     "EXERCISE PRICE" shall have the meaning set forth in Section 
4(a) hereof.
 
          (q)     "EXPIRATION DATE" shall mean the earliest to occur of: (i) 
the Close of Business on the Final Expiration Date, (ii) the Redemption Date, 
(iii) the time at which the Board of Directors orders the exchange of the 
Rights as provided in Section 24 hereof. 

          (r)     "FINAL EXPIRATION DATE" shall mean February 26, 2007.

          (s)     "NASDAQ" shall mean the National Association of Securities 
Dealers, Inc. Automated Quotations System.

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

          (u)     "POST-EVENT TRANSFEREE" shall have the meaning set forth in 
Section 7(e) hereof.

          (v)     "PREFERRED SHARES" shall mean shares of Series A 
Participating Preferred Stock, $.001 par value, of the Company.

          (w)     "PRE-EVENT TRANSFEREE" shall have the meaning set forth in 
Section 7(e) hereof.

          (x)     "PRINCIPAL PARTY" shall have the meaning set forth in Section 
13(b) hereof.


                                      -5-

<PAGE>

          (y)     "RECORD DATE" shall have the meaning set forth in the 
recitals at the beginning of this Agreement.

          (z)     "REDEMPTION DATE"shall have the meaning set forth in Section 
23(a) hereof.

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

          (bb)    "RIGHTS AGENT" shall mean ChaseMellon Shareholder Services, 
L.L.C. or its successor or replacement as provided in Sections 19 and 21 hereof.

          (cc)    "RIGHTS CERTIFICATE" shall mean a certificate substantially 
in the form attached hereto as Exhibit B.

          (dd)    "RIGHTS DIVIDEND DECLARATION DATE" shall have the meaning set 
forth in the recitals at the beginning of this Agreement.

          (ee)    "SECTION 11(A)(II) TRIGGER DATE" shall have the meaning set 
forth in Section 11(a)(iii) hereof. 

          (ff)    "SECTION 13 EVENT" shall mean any event described in clause 
(i), (ii) or (iii) of Section 13(a) hereof.

          (gg)    "SECURITIES ACT" shall mean the Securities Act of 1933, as 
amended.

          (hh)    "SHARES ACQUISITION DATE" shall mean the first date of public 
announcement (which, for purposes of this definition, shall include, without 
limitation, a report filed pursuant to Section 13(d) under the Exchange Act) by 
the Company or an Acquiring Person that an Acquiring Person has become such; 
PROVIDED THAT, if such Person is determined not to have become an Acquiring 
Person pursuant to Section 1(a) hereof, then no Shares Acquisition Date shall 
be deemed to have occurred.

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

          (jj)    "SUBSIDIARY" of any Person shall mean any corporation or 
other entity of which an amount of voting securities sufficient to elect a 
majority of the directors or Persons having similar authority of such 
corporation or other entity is beneficially owned, directly or indirectly, by 
such Person, or any corporation or other entity otherwise controlled by such 
Person.

          (kk)    "SUBSTITUTION PERIOD" shall have the meaning set forth in 
Section 11(a)(iii) hereof.

          (ll)    "SUMMARY OF RIGHTS" shall mean a summary of this Agreement 
substantially in the form attached hereto as Exhibit C.


                                      -6-

<PAGE>

          (mm)    "TOTAL EXERCISE PRICE" shall have the meaning set forth in 
Section 4(a) hereof.

          (nn)    "TRADING DAY" shall mean a day on which the principal 
national securities exchange on which a referenced security is listed or 
admitted to trading is open for the transaction of business or, if a referenced 
security is not listed or admitted to trading on any national securities 
exchange, a Business Day.

          (oo)    A "TRIGGERING EVENT" shall be deemed to have occurred upon 
any Person, becoming an Acquiring Person.

     Section 2.   APPOINTMENT OF RIGHTS AGENT.  The Company hereby appoints the 
Rights Agent to act as agent for the Company in accordance with the terms and 
conditions hereof, and the Rights Agent hereby accepts such appointment.  The 
Company may from time to time appoint such co-Rights Agents as it may deem 
necessary or desirable, upon ten (10) days' prior written notice to the Rights 
Agent.  The Rights Agent shall have no duty to supervise, and shall in no event 
be liable for , the acts or omissions of any co-Rights Agent.

     Section 3.   ISSUANCE OF RIGHTS CERTIFICATES.

          (a)  Until the Distribution Date, (i) the Rights will be evidenced 
(subject to the provisions of Sections 3(b) and 3(c) hereof) by the 
certificates for Common Shares registered in the names of the holders thereof 
(which certificates shall also be deemed to be Rights Certificates) and not by 
separate Rights Certificates and (ii) the right to receive Rights Certificates 
will be transferable only in connection with the transfer of Common Shares.  
Until the earlier of the Distribution Date or the Expiration Date, the 
surrender for transfer of certificates for Common Shares shall also constitute 
the surrender for transfer of the Rights associated with the Common Shares 
represented thereby.  As soon as practicable after the Distribution Date, the 
Company will prepare and execute, the Rights Agent will countersign, and the 
Company will send or cause to be sent (and the Rights Agent will, if requested, 
send) by first-class, postage-prepaid mail, to each record holder of Common 
Shares as of the Close of Business on the Distribution Date, at the address of 
such holder shown on the records of the Company, a Rights Certificate 
evidencing one Right for each Common Share so held, subject to adjustment as 
provided herein.  In the event that an adjustment in the number of Rights per 
Common Share has been made pursuant to Section 11 hereof, then at the time of 
distribution of the Rights Certificates, the Company shall make the necessary 
and appropriate rounding adjustments (in accordance with Section 14(a) hereof) 
so that Rights Certificates representing only whole numbers of Rights are 
distributed and cash is paid in lieu of any fractional Rights.  As of the 
Distribution Date, the Rights will be evidenced solely by such Rights 
Certificates and may be transferred by the transfer of the Rights Certificates 
as permitted hereby, separately and apart from any transfer of Common Shares, 
and the holders of such Rights Certificates as listed in the records of the 
Company or any transfer agent or registrar for the Rights shall be the record 
holders thereof.

          (b)  On the Record Date or as soon as practicable thereafter, the 
Company will send a copy of the Summary of Rights by first-class, 
postage-prepaid mail, to each record holder of Common Shares as of the Close of 
Business on the Record Date, at the address of such holder shown 


                                      -7-

<PAGE>

on the records of the Company's transfer agent and registrar.  With respect to 
certificates for Common Shares outstanding as of the Record Date, until the 
Distribution Date, the Rights will be evidenced by such certificates registered 
in the names of the holders thereof together with the Summary of Rights.

          (c)  Unless the Board of Directors by resolution adopted at or before 
the time of the issuance of any Common Shares specifies to the contrary, Rights 
shall be issued in respect of all Common Shares that are issued after the 
Record Date but prior to the earlier of the Distribution Date or the Expiration 
Date or, in certain circumstances provided in Section 22 hereof, after the 
Distribution Date.  Certificates representing such Common Shares shall also be 
deemed to be certificates for Rights, and shall bear the following legend:

     THIS CERTIFICATE ALSO EVIDENCES AND ENTITLES THE HOLDER HEREOF TO
     CERTAIN RIGHTS AS SET FORTH IN A RIGHTS AGREEMENT BETWEEN MECON, INC.
     AND CHASEMELLON SHAREHOLDER SERVICES, L.L.C., AS THE RIGHTS AGENT,
     DATED AS OF APRIL 9, 1997, (THE "RIGHTS AGREEMENT"), THE TERMS OF
     WHICH ARE HEREBY INCORPORATED HEREIN BY REFERENCE AND A COPY OF WHICH
     IS ON FILE AT THE PRINCIPAL EXECUTIVE OFFICES OF MECON, INC. UNDER
     CERTAIN CIRCUMSTANCES, AS SET FORTH IN THE RIGHTS AGREEMENT, SUCH
     RIGHTS WILL BE EVIDENCED BY SEPARATE CERTIFICATES AND WILL NO LONGER
     BE EVIDENCED BY THIS CERTIFICATE.  MECON, INC. WILL MAIL TO THE HOLDER
     OF THIS CERTIFICATE A COPY OF THE RIGHTS AGREEMENT WITHOUT CHARGE
     AFTER RECEIPT OF A WRITTEN REQUEST THEREFOR.  UNDER CERTAIN
     CIRCUMSTANCES SET FORTH IN THE RIGHTS AGREEMENT, RIGHTS ISSUED TO, OR
     HELD BY, ANY PERSON WHO IS, WAS OR BECOMES AN ACQUIRING PERSON OR ANY
     AFFILIATE OR ASSOCIATE THEREOF (AS SUCH TERMS ARE DEFINED IN THE
     RIGHTS AGREEMENT), WHETHER CURRENTLY HELD BY OR ON BEHALF OF SUCH
     PERSON OR BY ANY SUBSEQUENT HOLDER, MAY BECOME NULL AND VOID.

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

          (d)  In the event that the Company purchases or acquires any Common 
Shares after the Record Date but prior to the Distribution Date, any Rights 
associated with such Common Shares shall be deemed canceled and retired so that 
the Company shall not be entitled to exercise any Rights associated with the 
Common Shares which are no longer outstanding.


                                      -8-

<PAGE>

     Section 4.   FORM OF RIGHTS CERTIFICATES.

          (a)  The Rights Certificates (and the forms of election to purchase 
Common Shares and of assignment to be printed on the reverse thereof) shall be 
substantially in the form of Exhibit B hereto and may have such marks of 
identification or designation and such legends, summaries or endorsements 
printed thereon as the Company may deem appropriate and as are not inconsistent 
with the provisions of this Agreement, or as may be required to comply with any 
applicable law or with any rule or regulation made pursuant thereto or with any 
rule or regulation of any stock exchange or a national market system, on which 
the Rights may from time to time be listed or included, or to conform to usage. 
Subject to the provisions of Section 11 and Section 22 hereof, the Rights 
Certificates, whenever distributed, shall be dated as of the Record Date (or in 
the case of Rights issued with respect to Common Shares issued by the Company 
after the Record Date, as of the date of issuance of such Common Shares) and on 
their face shall entitle the holders thereof to purchase such number of 
one-thousandths of a Preferred Share as shall be set forth therein at the price 
set forth therein (such exercise price per one one-thousandth of a Preferred 
Share being hereinafter referred to as the "EXERCISE PRICE" and the aggregate 
Exercise Price of all Preferred Shares issuable upon exercise of one Right 
being hereinafter referred to as the "TOTAL EXERCISE PRICE"), but the number 
and type of securities purchasable upon the exercise of each Right and the 
Exercise Price shall be subject to adjustment as provided herein.

          (b)  Any Rights Certificate issued pursuant to Section 3(a) or 
Section 22 hereof that represents Rights beneficially owned by:  (i) an 
Acquiring Person or any Associate or Affiliate of an Acquiring Person, (ii) a 
Post-Event Transferee, (iii) a Pre-Event Transferee or (iv) any subsequent 
transferee receiving transferred Rights from a Post-Event Transferee or a 
Pre-Event Transferee, either directly or through one or more intermediate 
transferees, and any Rights Certificate issued pursuant to Section 6 or Section 
11 hereof upon transfer, exchange, replacement or adjustment of any other 
Rights Certificate referred to in this sentence, shall contain (to the extent 
feasible) the following legend:

     THE RIGHTS REPRESENTED BY THIS RIGHTS CERTIFICATE ARE OR WERE
     BENEFICIALLY OWNED BY A PERSON WHO WAS OR BECAME AN ACQUIRING PERSON
     OR AN AFFILIATE OR ASSOCIATE OF AN ACQUIRING PERSON (AS SUCH TERMS ARE
     DEFINED IN THE RIGHTS AGREEMENT).  ACCORDINGLY, THIS RIGHTS
     CERTIFICATE AND THE RIGHTS REPRESENTED HEREBY MAY BECOME NULL AND VOID
     IN THE CIRCUMSTANCES SPECIFIED IN SECTION 7(e) OF THE RIGHTS
     AGREEMENT.

     Section 5.   COUNTERSIGNATURE AND REGISTRATION.

          (a)  The Rights Certificates shall be executed on behalf of the 
Company by its Chairman of the Board, its Chief Executive Officer, its Chief 
Financial Officer, its President or any Vice President, either manually or by 
facsimile signature, and by the Secretary or an Assistant Secretary of the 
Company, either manually or by facsimile signature, and shall have affixed 
thereto the 


                                      -9-

<PAGE>

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

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

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

          (a)  Subject to the provisions of Sections 7(e), 14 and 24 hereof, at 
any time after the Close of Business on the Distribution Date, and at or prior 
to the Close of Business on the Expiration Date, any Rights Certificate or 
Rights Certificates may be transferred, split up, combined or exchanged for 
another Rights Certificate or Rights Certificates, entitling the registered 
holder to purchase a like number of one-thousandths of a Preferred Share (or, 
following a Triggering Event, other securities, cash or other assets, as the 
case may be) as the Rights Certificate or Rights Certificates surrendered then 
entitled such holder to purchase.  Any registered holder desiring to transfer, 
split up, combine or exchange any Rights Certificate or Rights Certificates 
shall make such request in writing delivered to the Rights Agent, and shall 
surrender the Rights Certificate or Rights Certificates to be transferred, 
split up, combined or exchanged at the office of the Rights Agent designated 
for such purpose.  Neither the Rights Agent nor the Company shall be obligated 
to take any action whatsoever with respect to the transfer of any such 
surrendered Rights Certificate until the registered holder shall have completed 
and signed the certificate contained in the form of assignment on the reverse 
side of such Rights Certificate and shall have provided such additional 
evidence of the identity of the Beneficial Owner (or former Beneficial Owner) 
or Affiliates or Associates thereof as the Company shall reasonably request.  
Thereupon the Rights Agent shall, subject to Sections 7(e), 14 and 24 hereof, 
countersign and deliver to the person entitled thereto a Rights Certificate or 
Rights Certificates, as the case may be, as so requested.  The Company may 
require payment of a sum sufficient to cover any tax or governmental charge 
that may be imposed in connection with any transfer, split up, combination or 
exchange of Rights Certificates.

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


                                      -10-

<PAGE>

loss, theft or destruction, of indemnity or security reasonably satisfactory to 
them, and, at the Company's request, reimbursement to the Company and the 
Rights Agent of all reasonable expenses incidental thereto, and upon surrender 
to the Rights Agent and cancellation of the Rights Certificate if mutilated, 
the Company will make and deliver a new Rights Certificate of like tenor to the 
Rights Agent for delivery to the registered holder in lieu of the Rights 
Certificate so lost, stolen, destroyed or mutilated.

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

          (a)  Subject to Sections 7(e), 23(b) and 24(b) hereof, the registered 
holder of any Rights Certificate may exercise the Rights evidenced thereby 
(except as otherwise provided herein) in whole or in part at any time after the 
Distribution Date and prior to the Close of Business on the Expiration Date by 
surrender of the Rights Certificate, with the form of election to purchase on 
the reverse side thereof duly executed, to the Rights Agent at the office of 
the Rights Agent designated for such purpose, together with payment of the 
Exercise Price for each one-thousandth of a Preferred Share (or, following a 
Triggering Event, other securities, cash or other assets as the case may be) as 
to which the Rights are exercised.

          (b)  The Exercise Price for each one-thousandth of a Preferred Share 
issuable pursuant to the exercise of a Right shall initially be Fifty-Five 
Dollars ($55), shall be subject to adjustment from time to time as provided in 
Sections 11 and 13 hereof and shall be payable in lawful money of the United 
States of America in accordance with paragraph (c) below.

          (c)  Upon receipt of a Rights Certificate representing exercisable 
Rights, with the form of election to purchase duly executed, accompanied by 
payment of the Exercise Price for the number of one-thousandths of a Preferred 
Share (or, following a Triggering Event, other securities, cash or other assets 
as the case may be) to be purchased and an amount equal to any applicable 
transfer tax required to be paid by the holder of such Rights Certificate in 
accordance with Section 9(e) hereof, the Rights Agent shall, subject to Section 
20(k) hereof, thereupon promptly (i) (A) requisition from any transfer agent of 
the Preferred Shares (or make available, if the Rights Agent is the transfer 
agent for the Preferred Shares) a certificate or certificates for the number of 
one-thousandths of a Preferred Share (or, following a Triggering Event, other 
securities, cash or other assets as the case may be) to be purchased and the 
Company hereby irrevocably authorizes its transfer agent to comply with all 
such requests or (B) if the Company shall have elected to deposit the total 
number of one-thousandths of a Preferred Share (or, following a Triggering 
Event, other securities, cash or other assets as the case may be) issuable upon 
exercise of the Rights hereunder with a depositary agent, requisition from the 
depositary agent depositary receipts representing such number of 
one-thousandths of a Preferred Share (or, following a Triggering Event, other 
securities, cash or other assets as the case may be) as are to be purchased (in 
which case certificates for the Preferred Shares (or, following a Triggering 
Event, other securities, cash or other assets as the case may be) represented 
by such receipts shall be deposited by the transfer agent with the depositary 
agent) and the Company hereby directs the depositary agent to comply with such 
request, (ii) when appropriate, requisition from the Company the amount of cash 
to be paid in lieu of issuance of fractional shares in accordance with Section 
14 hereof, (iii) after receipt of such certificates or depositary receipts, 
cause 


                                      -11-

<PAGE>

the same to be delivered to or upon the order of the registered holder of such 
Rights Certificate, registered in such name or names as may be designated by 
such holder and (iv) when appropriate, after receipt thereof, deliver such cash 
to or upon the order of the registered holder of such Rights Certificate.  The 
payment of the Exercise Price (as such amount may be reduced (including to 
zero) pursuant to Section 11(a)(iii) hereof) and an amount equal to any 
applicable transfer tax required to be paid by the holder of such Rights 
Certificate in accordance with Section 9(e) hereof, may be made in cash or by 
certified bank check, cashier's check or bank draft payable to the order of the 
Company.  In the event that the Company is obligated to issue securities of the 
Company other than Preferred Shares, 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)  In case the registered holder of any Rights Certificate shall 
exercise less than all the Rights evidenced thereby, a new Rights Certificate 
evidencing Rights equivalent to the Rights remaining unexercised shall be 
issued by the Rights Agent to the registered holder of such Rights Certificate 
or to his or her duly authorized assigns, subject to the provisions of Section 
14 hereof.

          (e)  Notwithstanding anything in this Agreement to the contrary, from 
and after the first occurrence of a Triggering Event, any Rights beneficially 
owned by (i) an Acquiring Person or an Associate or Affiliate of an Acquiring 
Person, (ii) a transferee of an Acquiring Person (or of any such Associate or 
Affiliate) who becomes a transferee after the Acquiring Person becomes such (a 
"POST-EVENT TRANSFEREE"), (iii) a transferee of an Acquiring Person (or of any 
such Associate or Affiliate) who becomes a transferee prior to or concurrently 
with the Acquiring Person becoming such and receives such Rights pursuant to 
either (A) a transfer (whether or not for consideration) from the Acquiring 
Person to holders of equity interests in such Acquiring Person or to any Person 
with whom the Acquiring Person has any continuing agreement, arrangement or 
understanding regarding the transferred Rights or (B) a transfer which the 
Company's Board of Directors has determined is part of a plan, arrangement or 
understanding which has as a primary purpose or effect the avoidance of this 
Section 7(e) (a "PRE-EVENT TRANSFEREE") or (iv) any subsequent transferee 
receiving transferred Rights from a Post-Event Transferee or a Pre-Event 
Transferee, either directly or through one or more intermediate transferees, 
shall become null and void without any further action and no holder of such 
Rights shall have any rights whatsoever with respect to such Rights, whether 
under any provision of this Agreement or otherwise.  The Company shall use all 
reasonable efforts to ensure that the provisions of this Section 7(e) and 
Section 4(b) hereof are complied with, but shall have no liability to any 
holder of Rights Certificates or to any other Person as a result of its failure 
to make any determinations with respect to an Acquiring Person or any of such 
Acquiring Person's Affiliates, Associates or transferees hereunder.

          (f)  Notwithstanding anything in this Agreement to the contrary, 
neither the Rights Agent nor the Company shall be obligated to undertake any 
action with respect to a registered holder upon the occurrence of any purported 
exercise as set forth in this Section 7 unless such registered holder shall, in 
addition to having complied with the requirements of Section 7(a), 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 


                                      -12-

<PAGE>

identity of the Beneficial Owner (or former Beneficial Owner) or Affiliates or 
Associates thereof as the Company shall reasonably request.

     Section 8.   CANCELLATION AND DESTRUCTION OF RIGHTS CERTIFICATES.  All 
Rights Certificates surrendered for the purpose of exercise, transfer, split 
up, combination or exchange shall, if surrendered to the Company or 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 
Rights Certificates shall be issued in lieu thereof except as expressly 
permitted by any of the provisions of this Agreement.  The Company shall 
deliver to the Rights Agent for cancellation and retirement, and the Rights 
Agent shall so cancel and retire, any Rights Certificate purchased or acquired 
by the Company otherwise than upon the exercise thereof.  The Rights Agent 
shall deliver all canceled Rights Certificates to the Company, or shall, at the 
written request of the Company, destroy  such canceled Rights Certificates, and 
in such case shall deliver a certificate evidencing the destruction thereof to 
the Company.

     Section 9.  RESERVATION AND AVAILABILITY OF PREFERRED SHARES.

          (a)  The Company covenants and agrees that it will use its best 
efforts to cause to be reserved and kept available out of  its authorized and 
unissued Preferred Shares not reserved for another purpose (and, following the 
occurrence of a Triggering Event, out of its authorized and unissued Common 
Shares and/or other securities), the number of Preferred Shares (and, following 
the occurrence of the Triggering Event, Common Shares and/or other securities) 
that will be sufficient to permit the exercise in full of all outstanding 
Rights.

          (b)  If the Company shall hereafter list any of its Preferred Shares 
on a national securities exchange, then so long as the Preferred Shares (and, 
following the occurrence of a Triggering Event, Common Shares and/or other 
securities) issuable and deliverable upon exercise of the Rights may be listed 
on such exchange, the Company shall use its best efforts to cause, from and 
after such time as the Rights become exercisable (but only to the extent that 
it is reasonably likely that the Rights will be exercised), all shares reserved 
for such issuance to be listed on such exchange upon official notice of 
issuance upon such exercise.

          (c)  The Company shall use its best efforts to (i) file, as soon as 
practicable following the earliest date after the first occurrence of a 
Triggering Event in which the consideration to be delivered by the Company upon 
exercise of the Rights is described in Section 11(a)(ii) or Section 11(a)(iii) 
hereof, or as soon as is required by law following the Distribution Date, as 
the case may be, a registration statement under the Securities Act with respect 
to the securities purchasable upon exercise of the Rights on an appropriate 
form, (ii) cause such registration statement to become effective as soon as 
practicable after such filing and (iii) cause such registration statement to 
remain effective (with a prospectus at all times meeting the requirements of 
the Securities Act) until the earlier of (A) the date as of which the Rights 
are no longer exercisable for such securities and (B) the date of expiration of 
the Rights.  The Company may temporarily suspend, for a period not to exceed 
ninety (90) days after the date set forth in clause (i) of the first sentence 
of this Section 9(c), the exercisability of the Rights in order to prepare and 
file such registration statement and permit it to 


                                      -13-

<PAGE>

become effective.  Upon any such suspension, the Company shall issue a public 
announcement stating, and notify the Rights Agent, that the exercisability of 
the Rights has been temporarily suspended, as well as a public announcement and 
notification to the Rights Agent at such time as the suspension is no longer in 
effect.  The Company will also take such action as may be appropriate under, or 
to ensure compliance with, the securities or "blue sky" laws of the various 
states in connection with the exercisability of the Rights.  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, or an exemption therefrom shall be 
available, and until a registration statement has been declared and remains 
effective.

          (d)  The Company covenants and agrees that it will take all such 
action as may be necessary to ensure that all Preferred Shares (or other 
securities of the Company) delivered upon exercise of Rights shall, at the time 
of delivery of the certificates for such securities (subject to payment of the 
Exercise Price), be duly and validly authorized and issued and fully paid and 
nonassessable.

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

     Section 10.  PREFERRED SHARES RECORD DATE.  Each Person in whose name any 
certificate for a number of one-thousandths of a Preferred Share (or other 
securities of the Company) is issued upon the exercise of Rights shall for all 
purposes be deemed to have become the holder of record of Preferred Shares (or 
other securities of the Company) represented thereby on, and such certificate 
shall be dated, the date upon which the Rights Certificate evidencing such 
Rights was duly surrendered and payment of the Total Exercise Price with 
respect to which the Rights have been exercised (and any applicable transfer 
taxes) was made; PROVIDED, HOWEVER, that if the date of such surrender and 
payment is a date upon which the transfer books of the Company are closed, such 
Person shall be deemed to have become the record holder of such shares on, and 
such certificate shall be dated, the next succeeding Business Day on which the 
transfer books of the Company are open.  Prior to the exercise of the Rights 
evidenced thereby, the holder of a Rights Certificate shall not be entitled to 
any rights of a holder of Preferred Shares (or other securities of the Company) 
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.


                                      -14-

<PAGE>

     Section 11.  ADJUSTMENT OF EXERCISE PRICE, NUMBER OF SHARES OR NUMBER OF 
RIGHTS.  The Exercise Price, the number and kind of shares or other property 
covered by each Right and the number of Rights outstanding are subject to 
adjustment from time to time as provided in this Section 11.

          (a)    (i)   Anything in this Agreement to the contrary 
notwithstanding, in the event that the Company shall at any time after the date 
of this Agreement (A) declare a dividend on the Preferred Shares payable in 
Preferred Shares, (B) subdivide the outstanding Preferred Shares, (C) combine 
the outstanding Preferred Shares (by reverse stock split or otherwise) into a 
smaller number of Preferred Shares, or (D) issue any shares of its capital 
stock in a reclassification of the Preferred Shares (including any such 
reclassification in connection with a consolidation or merger in which the 
Company is the continuing or surviving corporation), then, in each such event, 
except as otherwise provided in this Section 11 and Section 7(e) hereof: (1) 
the Exercise Price in effect at the time of the record date for such dividend 
or of the effective date of such subdivision, combination or reclassification 
shall be adjusted so that the Exercise Price thereafter shall equal the result 
obtained by dividing the Exercise Price in effect immediately prior to such 
time by a fraction (the "ADJUSTMENT FRACTION"), the numerator of which shall be 
the total number of Preferred Shares (or shares of capital stock issued in such 
reclassification of the Preferred Shares) outstanding immediately following 
such time and the denominator of which shall be the total number of Preferred 
Shares outstanding immediately prior to such time; PROVIDED, HOWEVER, that in 
no event shall the consideration to be paid upon the exercise of one Right be 
less than the aggregate par value of the shares of capital stock of the Company 
issuable upon exercise of such Right; and (2) the number of one-thousandths of 
a Preferred Share (or share of such other capital stock) issuable upon the 
exercise of each Right shall equal the number of one-thousandths of a Preferred 
Share (or share of such other capital stock) as was issuable upon exercise of a 
Right immediately prior to the occurrence of the event described in clauses 
(A)-(D) of this Section 11(a)(i), multiplied by the Adjustment Fraction; 
provided, however, that, no such adjustment shall be made pursuant to this 
Section 11(a)(i) to the extent that there shall have simultaneously occurred an 
event described in clause (A), (B), (C) or (D) of Section 11(n) with a 
proportionate adjustment being made thereunder.  Each Common Share that shall 
become outstanding after an adjustment has been made pursuant to this Section 
11(a)(i) shall have associated with it the number of Rights, exercisable at the 
Exercise Price and for the number of one-thousandths of a Preferred Share (or 
shares of such other capital stock) as one Common Share has associated with it 
immediately following the adjustment made pursuant to this Section 11(a)(i).

               (ii)    Subject to Section 24 of this Agreement, in the event a 
Triggering Event shall have occurred, then promptly following such Triggering 
Event each holder of a Right, except as provided in Section 7(e) hereof, shall 
thereafter have the right to receive for each Right, upon exercise thereof in 
accordance with the terms of this Agreement and payment of the Exercise Price 
in effect immediately prior to the occurrence of the Triggering Event, in lieu 
of a number of one-thousandths of a Preferred Share, such number of Common 
Shares of the Company as shall equal the result obtained by multiplying the  
Exercise Price in effect immediately prior to the occurrence of the Triggering 
Event by the number of one-thousandths of a Preferred Share for which a Right 
was exercisable (or would have been exercisable if the Distribution Date had 
occurred) immediately prior to the first occurrence of a Triggering Event, and 
dividing that product by 30% of the Current Per 


                                      -15-

<PAGE>

Share Market Price for Common Shares on the date of occurrence of the 
Triggering Event; provided, however, that the Exercise Price and the number of 
Common Shares of the Company so receivable upon exercise of a Right shall be 
subject to further adjustment as appropriate in accordance with Section 11 
hereof to reflect any events occurring in respect of the Common Shares of the 
Company after the occurrence of the Triggering Event. 

           (iii)    In lieu of issuing Common Shares in accordance with Section 
11(a)(ii) hereof, the Company may, if the Company's Board of Directors 
determines that such action is necessary or appropriate and not contrary to the 
interest of holders of Rights and, in the event that the number of Common 
Shares which are authorized by the Company's Certificate of Incorporation but 
not outstanding or reserved for issuance for purposes other than upon exercise 
of the Rights are not sufficient to permit the exercise in full of the Rights, 
or if any necessary regulatory approval for such issuance has not been obtained 
by the Company, the Company shall:  (A) determine the excess of (1) the value 
of the Common Shares issuable upon the exercise of a Right (the "CURRENT 
VALUE") over (2) the Exercise Price (such excess, the "SPREAD") and (B) with 
respect to each Right, make adequate provision to substitute for such Common 
Shares, upon exercise of the Rights, (1) cash, (2) a reduction in the Exercise 
Price, (3) other equity securities of the Company (including, without 
limitation, shares or units of shares of any series of preferred stock which 
the Company's Board of Directors has deemed to have the same value as Common 
Shares (such shares or units of shares of preferred stock are herein called 
"COMMON STOCK EQUIVALENTS")), except to the extent that the Company has not 
obtained any necessary stockholder or regulatory approval for such issuance, 
(4) debt securities of the Company, except to the extent that the Company has 
not obtained any necessary stockholder or regulatory approval for such 
issuance, (5) other assets or (6) any combination of the foregoing, having an 
aggregate value equal to the Current Value, where such aggregate value has been 
determined by the Company's Board of Directors based upon the advice of a 
nationally recognized investment banking firm selected by the Company's Board 
of Directors; PROVIDED, HOWEVER, if the Company shall not have made adequate 
provision to deliver value pursuant to clause (B) above within thirty (30) days 
following the later of (x) the first occurrence of a Triggering Event and (y) 
the date on which the Company's right of redemption pursuant to Section 23(a) 
expires (the later of (x) and (y) being referred to herein as the "SECTION 
11(A)(II) TRIGGER DATE"), then the Company shall be obligated to deliver, upon 
the surrender for exercise of a Right and without requiring payment of the 
Exercise Price, Common Shares (to the extent available), except to the extent 
that the Company has not obtained any necessary stockholder or regulatory 
approval for such issuance, and then, if necessary, cash, which shares and/or 
cash have an aggregate value equal to the Spread.  If the Company's Board of 
Directors shall determine in good faith that it is likely that sufficient 
additional Common Shares could be authorized for issuance upon exercise in full 
of the Rights or that any necessary regulatory approval for such issuance will 
be obtained, the thirty (30) day period set forth above may be extended to the 
extent necessary, but not more than ninety (90) days after the Section 
11(a)(ii) Trigger Date, in order that the Company may seek stockholder approval 
for the authorization of such additional shares or take action to obtain such 
regulatory approval (such period, as it may be extended, the "SUBSTITUTION 
PERIOD").  To the extent that the Company determines that some action need be 
taken pursuant to the first and/or second sentences of this Section 11(a)(iii), 
the Company (x) shall provide, subject to Section 7 hereof, that such action 
shall apply uniformly to all outstanding Rights and (y) may suspend the 
exercisability of the Rights 


                                      -16-

<PAGE>

until the expiration of the Substitution Period in order to seek any 
authorization of additional shares, to take any action to obtain any required 
regulatory approval and/or to decide the appropriate form of distribution to be 
made pursuant to such first sentence and to determine the value thereof.  In 
the event of any such suspension, the Company shall issue a public announcement 
stating that the exercisability of the Rights has been temporarily suspended, 
as well as a public announcement at such time as the suspension is no longer in 
effect.  For purposes of this Section 11(a)(iii), the value of the Common 
Shares shall be the Current Per Share Market Price of the Common Shares on the 
Section 11(a)(ii) Trigger Date and the value of any Common Stock Equivalent 
shall be deemed to have the same value as the Common Shares on such date.

          (b)  In case the Company shall, at any time after the date of this 
Agreement, fix a record date for the issuance of rights, options or warrants to 
all holders of Preferred Shares entitling such holders (for a period expiring 
within forty-five (45) calendar days after such record date) to subscribe for 
or purchase Preferred Shares or Equivalent Shares or securities convertible 
into Preferred Shares or Equivalent Shares at a price per share (or having a 
conversion price per share, if a security convertible into Preferred Shares or 
Equivalent Shares) less than the then Current Per Share Market Price of the 
Preferred Shares or Equivalent Shares on such record date, then, in each such 
case, the Exercise Price to be in effect after such record date shall be 
determined by multiplying the Exercise Price in effect immediately prior to 
such record date by a fraction, the numerator of which shall be the number of 
Preferred Shares and Equivalent Shares (if any) outstanding on such record 
date, plus the number of Preferred Shares or Equivalent Shares, as the case may 
be, which the aggregate offering price of the total number of Preferred Shares 
or Equivalent Shares, as the case may be, to be offered or issued (and/or the 
aggregate initial conversion price of the convertible securities to be offered 
or issued) would purchase at such current market price, and the denominator of 
which shall be the number of Preferred Shares and Equivalent Shares (if any) 
outstanding on such record date, plus the number of additional Preferred Shares 
or Equivalent Shares, as the case may be, to be offered for subscription or 
purchase (or into which the convertible securities so to be offered are 
initially convertible); PROVIDED, HOWEVER, that in no event shall the 
consideration to be paid upon the exercise of one Right be less than the 
aggregate par value of the shares of capital stock of the Company issuable upon 
exercise of one Right.  In case such subscription price may be paid in a 
consideration part or all of which shall be in a form other than cash, the 
value of such consideration shall be as determined in good faith by the 
Company's Board of Directors, whose determination shall be described in a 
statement filed with the Rights Agent and shall be binding on the Rights Agent 
and the holders of the Rights.  Preferred Shares and Equivalent Shares owned by 
or held for the account of the Company shall not be deemed outstanding for the 
purpose of any such computation.  Such adjustment shall be made successively 
whenever such a record date is fixed, and in the event that such rights, 
options or warrants are not so issued, the Exercise Price shall be adjusted to 
be the Exercise Price which would then be in effect if such record date had not 
been fixed.

          (c)  In case the Company shall, at any time after the date of this 
Agreement, fix a record date for the making of a distribution to all holders of 
the Preferred Shares or of any class or series of Equivalent Shares (including 
any such distribution made in connection with a consolidation or merger in 
which the Company is the continuing or surviving corporation) of evidences of 
indebtedness or assets (other than a regular quarterly cash dividend, if any, 
or a dividend payable in Preferred 


                                      -17-

<PAGE>

Shares) or subscription rights, options or warrants (excluding those referred 
to in Section 11(b)), then, in each such case, the Exercise Price to be in 
effect after such record date shall be determined by multiplying the Exercise 
Price in effect immediately prior to such record date by a fraction, the 
numerator of which shall be the Current Per Share Market Price of a Preferred 
Share or an Equivalent Share on such record date, less the fair market value 
per Preferred Share or Equivalent 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) 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 Preferred Share or Equivalent Share, as the case 
may be, and the denominator of which shall be such Current Per Share Market 
Price of a Preferred Share or Equivalent Share on such record date; PROVIDED, 
HOWEVER, that in no event shall the consideration to be paid upon the exercise 
of one Right be less than the aggregate par value of the shares of capital 
stock of the Company issuable upon exercise of one Right.  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 Exercise Price shall be 
adjusted to be the Exercise Price which would have been in effect if such 
record date had not been fixed.

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

          (e)  If as a result of an adjustment made pursuant to Section 11(a) 
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 
Shares, thereafter the number of such other shares so receivable upon exercise 
of any Right and, if required, the Exercise Price thereof, shall be subject to 
adjustment from time to time in a manner and on terms as nearly equivalent as 
practicable to the provisions with respect to the Preferred Shares contained in 
Sections 11(a), 11(b), 11(c), 11(d), 11(g), 11(h), 11(i), 11(j), 11(k) and 
11(l), and the provisions of Sections 7, 9, 10, 13 and 14 with respect to the 
Preferred Shares shall apply on like terms to any such other shares.

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

          (g)  Unless the Company shall have exercised its election as provided 
in Section 11(h), upon each adjustment of the Exercise Price as a result of the 
calculations made in Section 11(b) and (c), each Right outstanding immediately 
prior to the making of such adjustment shall thereafter evidence the right to 
purchase, at the adjusted Exercise Price, that number of 


                                      -18-

<PAGE>

Preferred Shares (calculated to the nearest one hundred-thousandth of a share) 
obtained by (i) multiplying (x) the number of Preferred Shares covered by a 
Right immediately prior to this adjustment, by (y) the Exercise Price in effect 
immediately prior to such adjustment of the Exercise Price, and (ii) dividing 
the product so obtained by the Exercise Price in effect immediately after such 
adjustment of the Exercise Price.

          (h)  The Company may elect on or after the date of any adjustment of 
the Exercise Price as a result of the calculations made in Section 11(b) or (c) 
to adjust the number of Rights, in substitution for any adjustment in the 
number of Preferred Shares purchasable upon the exercise of a Right.  Each of 
the Rights outstanding after such adjustment of the number of Rights shall be 
exercisable for the number of one-thousandths of a Preferred Share for which a 
Right was exercisable immediately prior to such adjustment.  Each Right held of 
record prior to such adjustment of the number of Rights shall become that 
number of Rights (calculated to the nearest one hundred-thousandth) obtained by 
dividing the Exercise Price in effect immediately prior to adjustment of the 
Exercise Price by the Exercise Price in effect immediately after adjustment of 
the Exercise 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 Exercise Price is adjusted or any 
day thereafter, but, if the Rights Certificates have been issued, shall be at 
least ten (10) days later than the date of the public announcement.  If Rights 
Certificates have been issued, upon each adjustment of the number of Rights 
pursuant to this Section 11(h), the Company shall, as promptly as practicable, 
cause to be distributed to holders of record of Rights Certificates on such 
record date Rights Certificates evidencing, subject to Section 14 hereof, the 
additional Rights to which such holders shall be entitled as a result of such 
adjustment, or, at the option of the Company, shall cause to be distributed to 
such holders of record in substitution and replacement for the Rights 
Certificates held by such holders prior to the date of adjustment, and upon 
surrender thereof, if required by the Company, new Rights Certificates 
evidencing all the Rights to which such holders shall be entitled after such 
adjustment.  Rights Certificates so to be distributed shall be issued, executed 
and countersigned in the manner provided for herein (and may bear, at the 
option of the Company, the adjusted Exercise Price) and shall be registered in 
the names of the holders of record of Rights Certificates on the record date 
specified in the public announcement.

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

          (j)  Before taking any action that would cause an adjustment reducing 
the Exercise Price below the par or stated value, if any, of the number of 
one-thousandths of a Preferred Share issuable upon exercise of the Rights, the 
Company shall take any corporate action which may, in the opinion of its 
counsel, be necessary in order that the Company may validly and legally issue 
as fully paid and nonassessable shares such number of one-thousandths of a 
Preferred Share at such adjusted Exercise Price.



                                      -19-

<PAGE>

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

          (l)  Anything in this Section 11 to the contrary notwithstanding, 
prior to the Distribution Date, the Company shall be entitled to make such 
reductions in the Exercise Price, in addition to those adjustments expressly 
required by this Section 11, as and to the extent that it in its sole 
discretion shall determine to be advisable in order that any (i) consolidation 
or subdivision of the Preferred or Common Shares, (ii) issuance wholly for cash 
of any Preferred or Common Shares at less than the current market price, (iii) 
issuance wholly for cash of Preferred or Common Shares or securities which by 
their terms are convertible into or exchangeable for Preferred or Common 
Shares, (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 or Common Shares shall not be taxable to such stockholders.

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

          (n)  In the event the Company shall at any time after the date of 
this Agreement (A) declare a dividend on the Common Shares payable in Common 
Shares, (B) subdivide the outstanding Common Shares, (C) combine the 
outstanding Common Shares (by reverse stock split or otherwise) into a smaller 
number of Common Shares, or (D) issue any shares of its capital stock in a 
reclassification of the Common Shares (including any such reclassification in 
connection with a consolidation or merger in which the Company is the 
continuing or surviving corporation), then, in each such event, except as 
otherwise provided in this Section 11(a) and Section 7(e) hereof: (1) each 
Common Share (or shares of capital stock issued in such reclassification of the 
Common Shares) outstanding immediately following such time shall have 
associated with it the number of Rights as were associated with one Common 
Share immediately prior to the occurrence of the event described in clauses 
(A)-(D) above; (2) the Exercise Price in effect at the time of the record date 
for such dividend or of the effective date of such subdivision, combination or 
reclassification shall be adjusted so that the Exercise Price thereafter shall 
equal the result obtained by multiplying the Exercise Price in effect 
immediately prior to such time by a fraction, the numerator of which shall be 
the total number of Common Shares outstanding immediately prior to the event 
described in clauses (A)-(D) above, and the denominator of which shall be the 
total number of Common Shares outstanding immediately after such event; 
PROVIDED, HOWEVER, that in no event shall the consideration to be paid upon the 


                                      -20-

<PAGE>

exercise of one Right be less than the aggregate par value of the shares of 
capital stock of the Company issuable upon exercise of such Right; and (3) the 
number of one-thousandths of a Preferred Share (or shares of such other capital 
stock) issuable upon the exercise of each Right outstanding after such event 
shall equal the number of one-thousandths of a Preferred Share (or shares of 
such other capital stock) as were issuable with respect to one Right 
immediately prior to such event. Each Common Share that shall become 
outstanding after an adjustment has been made pursuant to this Section 11(n) 
shall have associated with it the number of Rights, exercisable at the Exercise 
Price and for the number of one-thousandths of a Preferred Share (or shares of 
such other capital stock) as one Common Share has associated with it 
immediately following the adjustment made pursuant to this Section 11(n).  If 
an event occurs which would require an adjustment under both this Section 11(n) 
and Section 11(a)(ii) hereof, the adjustment provided for in this Section 11(n) 
shall be in addition to, and shall be made prior to, any adjustment required 
pursuant to Section 11(a)(ii) hereof.

     Section 12.  CERTIFICATE OF ADJUSTED EXERCISE PRICE OR NUMBER OF SHARES.  
Whenever an adjustment is made as provided in Sections 11 and 13 hereof, the 
Company shall promptly (a) prepare a certificate setting forth such adjustment 
and a brief statement of the facts accounting for such adjustment, (b) file 
with the Rights Agent and with each transfer agent for the Preferred Shares a 
copy of such certificate and (c) mail a brief summary thereof to each holder of 
a Rights Certificate in accordance with Section 26 hereof.  Notwithstanding the 
foregoing sentence, the failure of the Company to make such certification or 
give such notice shall not affect the validity of such adjustment or the force 
or effect of the requirement for such adjustment.  The Rights Agent shall be 
fully protected in relying on any such certificate and on any adjustment 
contained therein and shall not be deemed to have knowledge of such adjustment 
unless and until it shall have received such certificate.

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

          (a)  In the event that, following a Triggering Event, directly or 
indirectly:

               (i)    the Company shall consolidate with, or merge with and 
into, any other Person (other than a wholly-owned Subsidiary of the Company in 
a transaction the principal purpose of which is to change the state of 
incorporation of the Company and which complies with Section 11(m) hereof);

              (ii)    any Person shall consolidate with the Company, or merge 
with and into the Company and the Company shall be the continuing or surviving 
corporation of such consolidation or merger and, in connection with such 
merger, all or part of the Common Shares shall be changed into or exchanged for 
stock or other securities of any other person (or the Company); or

             (iii)    the Company shall sell or otherwise transfer (or one or 
more of its Subsidiaries shall sell or otherwise transfer), in one or more 
transactions, assets or earning power aggregating 30% or more of the assets or 
earning power of the Company and its Subsidiaries (taken as a whole) to any 
other Person or Persons (other than the Company or one or more of its wholly 


                                      -21-

<PAGE>

owned Subsidiaries in one or more transactions, each of which individually (and 
together) complies with Section 11(m) hereof),

                    then, concurrent with and in each such case, 

                    (A)  each holder of a Right (except as provided in Section 
7(e) hereof) shall thereafter have the right to receive, upon the exercise 
thereof at a price equal to the Total Exercise Price applicable immediately 
prior to the occurrence of the Section 13 Event in accordance with the terms of 
this Agreement, such number of validly authorized and issued, fully paid, 
nonassessable and freely tradeable Common Shares of the Principal Party (as 
hereinafter defined), free of any liens, encumbrances, rights of first refusal 
or other adverse claims, as shall be equal to the result obtained by dividing 
such Total Exercise Price by 30% of the Current Per Share Market Price of the 
Common Shares of such Principal Party on the date of consummation of such 
Section 13 Event, PROVIDED, HOWEVER, that the Exercise Price and the number of 
Common Shares of such Principal Party so receivable upon exercise of a Right 
shall be subject to further adjustment as appropriate in accordance with 
Section 11(e) hereof;

                    (B)  such Principal Party shall thereafter be liable for, 
and shall assume, by virtue of such Section 13 Event, all the obligations and 
duties of the Company pursuant to this Agreement;

                    (C)  the term "Company" shall thereafter be deemed to refer 
to such Principal Party, it being specifically intended that the provisions of 
Section 11 hereof shall apply only to such Principal Party following the first 
occurrence of a Section 13 Event;

                    (D)  such Principal Party shall take such steps (including, 
but not limited to, the reservation of a sufficient number of its Common 
Shares) in connection with the consummation of any such transaction as may be 
necessary to ensure that the provisions hereof shall thereafter be applicable, 
as nearly as reasonably may be, in relation to its Common Shares thereafter 
deliverable upon the exercise of the Rights; and

                    (E)  upon the subsequent occurrence of any consolidation, 
merger, sale or transfer of assets or other extraordinary transaction in 
respect of such Principal Party, each holder of a Right shall thereupon be 
entitled to receive, upon exercise of a Right and payment of the Total Exercise 
Price as provided in this Section 13(a), such cash, shares, rights, warrants 
and other property which such holder would have been entitled to receive had 
such holder, at the time of such transaction, owned the Common Shares of the 
Principal Party receivable upon the exercise of such Right pursuant to this 
Section 13(a), and such Principal Party shall take such steps (including, but 
not limited to, reservation of shares of stock) as may be necessary to permit 
the subsequent exercise of the Rights in accordance with the terms hereof for 
such cash, shares, rights, warrants and other property.

                    (F)  For purposes hereof, the "earning power" of the 
Company and its Subsidiaries shall be determined in good faith by the Company's 
Board of Directors on the basis of 


                                      -22-

<PAGE>

the operating earnings of each business operated by the Company and its 
Subsidiaries during the three fiscal years preceding the date of such 
determination (or, in the case of any business not operated by the Company or 
any Subsidiary during three full fiscal years preceding such date, during the 
period such business was operated by the Company or any Subsidiary).

          (b)  For purposes of this Agreement, the term "PRINCIPAL PARTY" shall 
mean:

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

              (ii)    in the case of any transaction described in clause (iii) 
of 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 more than one Person that is a party to such 
transaction or transactions receives the same portion of the assets or earning 
power so transferred and each such portion would, were it not for the other 
equal portions, constitute the greatest 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 is the issuer 
of Common Shares having the greatest aggregate market value of shares 
outstanding;

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



                                      -23-

<PAGE>

          (c)  The Company shall not consummate any Section 13 Event unless the 
Principal Party shall have a sufficient number of authorized Common Shares 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 such issuer shall have executed and delivered to the Rights Agent a 
supplemental agreement confirming that such Principal Party shall, upon 
consummation of such Section 13 Event, assume this Agreement in accordance with 
Sections 13(a) and 13(b) hereof, that all rights of first refusal or preemptive 
rights in respect of the issuance of Common Shares of such Principal Party upon 
exercise of outstanding Rights have been waived, that there are no rights, 
warrants, instruments or securities outstanding or any agreements or 
arrangements which, as a result of the consummation of such transaction, would 
eliminate or substantially diminish the benefits intended to be afforded by the 
Rights and that such transaction shall not result in a default by such 
Principal Party under this Agreement, and further providing that, as soon as 
practicable after the date of such Section 13 Event, such Principal Party will:

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

              (ii)    use its best efforts to list (or continue the listing of) 
the Rights and the securities purchasable upon exercise of the Rights on a 
national securities exchange or to meet the eligibility requirements for 
quotation on Nasdaq and list (or continue the listing of) the Rights and the 
securities purchasable upon exercise of the Rights on Nasdaq; and

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

     In the event that at any time after the occurrence of a Triggering Event 
some or all of the Rights shall not have been exercised at the time of a 
transaction described in this Section 13, the Rights which have not theretofore 
been exercised shall thereafter be exercisable in the manner described in 
Section 13(a) (without taking into account any prior adjustment required by 
Section 11(a)(ii)).

          (d)  In case the "Principal Party" for purposes of Section 13(b) 
hereof has provision in any of its authorized securities or in its certificate 
of incorporation or by-laws or other instrument governing its corporate 
affairs, which provision would have the effect of (i) causing such Principal 
Party to issue (other than to holders of Rights pursuant to Section 13 hereof), 
in connection with, or as a consequence of, the consummation of a Section 13 
Event, Common Shares or Equivalent Shares of such Principal Party at less than 
the then Current Per Share Market Price thereof or securities exercisable for, 
or convertible into, Common Shares or Equivalent Shares of such Principal Party 
at less than such then Current Per Share Market Price, or (ii) providing for 
any special payment, tax or 


                                      -24-

<PAGE>

similar provision in connection with the issuance of the Common Shares of such 
Principal Party pursuant to the provisions of Section 13 hereof, 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.

          (e)  The Company covenants and agrees that it shall not, at any time
after the Distribution Date, effect or permit to occur any Section 13 Event, if
(i) at the time or immediately after such Section 13 Event there are any rights,
warrants or other instruments or securities outstanding or agreements in effect
which would substantially diminish or otherwise eliminate the benefits intended
to be afforded by the Rights, (ii) prior to, simultaneously with or immediately
after such Section 13 Event, the stockholders of the Person who constitutes, or
would constitute, the "Principal Party" for purposes of Section 13(b) hereof
shall have received a distribution of Rights previously owned by such Person or
any of its Affiliates or Associates or (iii) the form or nature of organization
of the Principal Party would preclude or limit the exercisability of the Rights.

          (f)  The provisions of this Section 13 shall similarly apply to 
successive mergers or consolidations or sales or other transfers.

     Section 14.  FRACTIONAL RIGHTS AND FRACTIONAL SHARES.

          (a)  The Company shall not be required to issue fractions of Rights 
or to distribute Rights Certificates which evidence fractional Rights.  In lieu 
of such fractional Rights, there shall be paid to the registered holders of the 
Rights Certificates with regard to which such fractional Rights would otherwise 
be issuable, an amount in cash equal to the same fraction of the current market 
value of a whole Right.  For the purposes of this Section 14(a), the current 
market value of a whole Right shall be the closing price of the Rights for the 
Trading Day immediately prior to the date on which such fractional Rights would 
have been otherwise issuable, as determined pursuant to the second sentence of 
Section 1(j) hereof.

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


                                      -25-

<PAGE>

such Rights are exercised as herein provided an amount in cash equal to the 
same fraction of the current market value of a Preferred Share.  For purposes 
of this Section 14, the current market value of a Preferred Share shall be one 
thousand times the closing price of a Common Share (as determined pursuant to 
the second sentence of Section 1(j) hereof) for the Trading Day immediately 
prior to the date of such exercise.

          (c)  The Company shall not be required to issue fractions of Common 
Shares or to distribute certificates which evidence fractional Common Shares 
upon the exercise or exchange of Rights.   In lieu of such fractional Common 
Shares, the Company shall pay to the registered holders of Rights Certificates 
at the time such Rights are exercised as herein provided an amount in cash 
equal to the same fraction of the current market value of a Common Share.  For 
purposes of this Section 14(c), the current market value of a Common Share 
shall be the closing price of a Common Share (as determined pursuant to the 
second sentence of Section 1(j) hereof) for the Trading Day immediately prior 
to the date of such exercise. 

          (d)  The holder of a Right by the acceptance of the Right expressly 
waives his or her right to receive any fractional Rights or any fractional 
shares (other than fractions that are integral multiples of one one-thousandth 
of a Preferred Share) upon exercise of a Right.

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

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

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


                                      -26-

<PAGE>

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

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

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

     Section 18.  CONCERNING THE RIGHTS AGENT.

          (a)  The Company agrees to pay to the Rights Agent reasonable 
compensation for all services rendered by it hereunder and, from time to time, 
on demand of the Rights Agent, its reasonable expenses and counsel fees and 
other disbursements incurred in the administration and execution of this 
Agreement and the exercise and performance of its duties hereunder.  The 
Company also agrees to indemnify the Rights Agent for, and to hold it harmless 
against, any loss, liability or expense, incurred without negligence, bad faith 
or willful misconduct on the part of the Rights Agent, for anything done or 
omitted by the Rights Agent in connection with the acceptance and 
administration of this Agreement, including the costs and expenses of defending 
against any claim of liability in the premises.  In no event will the Rights 
Agent be liable for special, indirect, incidental or consequential loss or 
damage of any kind whatsoever, even if the Rights Agent has been advised of the 
possibility of such loss or damage. 

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


                                      -27-

<PAGE>

or document reasonably believed by it to be genuine and to be signed, executed 
and, where necessary, verified or acknowledged, by the proper Person or 
Persons, or otherwise upon the advice of counsel as set forth in Section 20 
hereof.

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

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

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

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

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

          (b)  Whenever in the performance of its duties under this Agreement 
the Rights Agent shall deem it necessary or desirable that any fact or matter 
(including, without limitation, the identity of any Acquiring Person and the 
determination of Current Per Share 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 


                                      -28-

<PAGE>

conclusively proved and established by a certificate signed by any one of the 
Chairman of the Board, the Chief Executive Officer, the President, any Vice 
President, the Chief Financial Officer, the Secretary or any Assistant 
Secretary of the Company and delivered to the Rights Agent; and such 
certificate shall be full authorization to the Rights Agent for any action 
taken or suffered in good faith by it under the provisions of this Agreement in 
reliance upon such certificate.

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

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

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

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

          (g)  The Rights Agent is hereby authorized and directed to accept 
instructions with respect to the performance of its duties hereunder from any 
one of the Chairman of the Board, the Chief Executive Officer, the President, 
any Vice President, the Chief Financial Officer, the Secretary or any Assistant 
Secretary of the Company, and to apply to such officers for advice or 
instructions in connection with its duties, and it shall not be liable for any 
action taken or suffered by it in good faith in accordance with instructions of 
any such officer or for any delay in acting while waiting for those 
instructions.  Any application by the Rights Agent for written instructions 
from the Company may, at the option of the Rights Agent, set forth in writing 
any action proposed to be taken or omitted by the Rights Agent under this 
Rights Agreement and the date on and/or after which such action shall be taken 
or such omission shall be effective.  The Rights Agent shall not be liable for 
any action taken 


                                      -29-

<PAGE>

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

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

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

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

     Section 21.  CHANGE OF RIGHTS AGENT.  The Rights Agent or any successor 
Rights Agent may resign and be discharged from its duties under this Agreement 
upon thirty (30) days' notice in writing mailed to the Company and to each 
transfer agent of the Preferred Shares and the Common Shares by registered or 
certified mail, and to the holders of the Rights Certificates by first-class 
mail.  The Company may remove the Rights Agent or any successor Rights Agent 
upon thirty (30) days' notice in writing, mailed to the Rights Agent or 
successor Rights Agent, as the case may be, and to each transfer agent of the 
Preferred Shares and the Common Shares by registered or certified mail, and to 
the holders of the Rights Certificates by first-class mail.  If the Rights 
Agent shall resign or be removed or shall otherwise become incapable of acting, 
the Company shall appoint a successor to the Rights Agent.  If the Company 
shall fail to make such appointment within a period of thirty (30) days after 
giving notice of such removal or after it has been notified in writing of such 
resignation or 


                                      -30-

<PAGE>

incapacity by the resigning or incapacitated Rights Agent or by the holder of a 
Rights Certificate (who shall, with such notice, submit his or her Rights 
Certificate for inspection by the Company), then the registered holder of any 
Rights Certificate may apply to any court of competent jurisdiction for the 
appointment of a new Rights Agent.  Any successor Rights Agent, whether 
appointed by the Company or by such a court, shall be either (a) a corporation 
organized and doing business under the laws of the United States or of any 
state of the United States, in good standing, which is authorized under such 
laws to exercise corporate trust or stockholder services 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 $100 million or (b) an affiliate of such corporation.  After 
appointment, the successor Rights Agent shall be vested with the same powers, 
rights, duties and responsibilities as if it had been originally named as 
Rights Agent without further act or deed; but the predecessor Rights Agent 
shall deliver and transfer to the successor Rights Agent any property at the 
time held by it hereunder, and execute and deliver any further assurance, 
conveyance, act or deed necessary for the purpose.  Not later than the 
effective date of any such appointment, the Company shall file notice thereof 
in writing with the predecessor Rights Agent and each transfer agent of the 
Preferred Shares and the Common Shares, and mail a notice thereof in writing to 
the registered holders of the Rights Certificates.  Failure to give any notice 
provided for in this Section 21, however, or any defect therein, shall not 
affect the legality or validity of the resignation or removal of the Rights 
Agent or the appointment of the successor Rights Agent, as the case may be.

     Section 22.  ISSUANCE OF NEW RIGHTS CERTIFICATES.  Notwithstanding any of 
the provisions of this Agreement or of the Rights to the contrary, the Company 
may, at its option, issue new Rights Certificates evidencing Rights in such 
form as may be approved by its Board of Directors to reflect any adjustment or 
change in the Exercise Price and the number or kind or class of shares or other 
securities or property purchasable under the Rights Certificates made in 
accordance with the provisions of this Agreement.  In addition, in connection 
with the issuance or sale of Common Shares following the Distribution Date and 
prior to the redemption or expiration of the Rights, the Company (a) shall, 
with respect to Common Shares so issued or sold pursuant to the exercise of 
stock options or under any employee plan or arrangement or upon the exercise, 
conversion or exchange of other securities of the Company outstanding at the 
date hereof or upon the exercise, conversion or exchange of securities 
hereinafter issued by the Company and (b) may, in any other case, if deemed 
necessary or appropriate by the Board of Directors of the Company, issue Rights 
Certificates representing the appropriate number of Rights in connection with 
such issuance or sale; PROVIDED, HOWEVER, that (i) no such Rights Certificate 
shall be issued and this sentence shall be null and void AB INITIO if, and to 
the extent that, such issuance or this sentence would create a significant risk 
of or result in material adverse tax consequences to the Company or the Person 
to whom such Rights Certificate would be issued or would create a significant 
risk of or result in such options' or employee plans' or arrangements' failing 
to qualify for otherwise available special tax treatment and (ii) no such 
Rights Certificate shall be issued if, and to the extent that, appropriate 
adjustment shall otherwise have been made in lieu of the issuance thereof.



                                      -31-

<PAGE>

     Section 23.  REDEMPTION.

          (a)  The Company may, at its option and with the approval of the 
Board of Directors, at any time prior to the Close of Business on the earlier 
of (i) the tenth day following the Shares Acquisition Date (or such later date 
as may be determined by action of the Company's Board of Directors and publicly 
announced by the Company) and (ii) the Final Expiration Date, redeem all but 
not less than all the then outstanding Rights at a redemption price of $0.01 
per Right, appropriately adjusted to reflect any stock split, stock dividend or 
similar transaction occurring after the date hereof (such redemption price 
being herein referred to as the "REDEMPTION PRICE") and the Company may, at its 
option, pay the Redemption Price either in Common Shares (based on the Current 
Per Share Market Price thereof at the time of redemption) or cash.  Such 
redemption of the Rights by the Company may be made effective at such time, on 
such basis and with such conditions as the Board of Directors in its sole 
discretion may establish.  The date on which the Board of Directors elects to 
make the redemption effective shall be referred to as the "REDEMPTION DATE."

          (b)  Immediately upon the action of the Board of Directors of the 
Company ordering the redemption of the Rights, evidence of which shall have 
been filed with the Rights Agent, and without any further action and without 
any notice, the right to exercise the Rights will terminate and the only right 
thereafter of the holders of Rights shall be to receive the Redemption Price. 
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 the action 
of the Board of Directors ordering the redemption of the Rights, the Company 
shall give notice of such redemption to the Rights Agent and the holders of the 
then outstanding Rights by mailing such notice to all such holders at their 
last addresses as they appear upon the registry books of the Rights Agent or, 
prior to the Distribution Date, on the registry books of the transfer agent for 
the Common Shares.  Any notice which is mailed in the manner herein provided 
shall be deemed given, whether or not the holder receives the notice.  Each 
such notice of redemption will state the method by which the payment of the 
Redemption Price will be made.  Neither the Company nor any of its Affiliates 
or Associates may redeem, acquire or purchase for value any Rights at any time 
in any manner other than that specifically set forth in this Section 23 or in 
Section 24 hereof, and other than in connection with the purchase of Common 
Shares prior to the Distribution Date.

     Section 24.  EXCHANGE.

          (a)  Subject to applicable laws, rules and regulations, and subject 
to subsection 24(c) below, the Company may, at its option, by action of the 
Board of Directors, at any time after the occurrence of a Triggering Event, 
exchange all or part of the then outstanding and exercisable Rights (which 
shall not include Rights that have become void pursuant to the provisions of 
Section 7(e) hereof) for Common Shares at an exchange ratio of one Common Share 
per Right, appropriately adjusted to reflect any stock split, stock dividend or 
similar transaction occurring after the date hereof (such exchange ratio being 
hereinafter referred to as the "EXCHANGE RATIO").  Notwithstanding the 
foregoing, the Board of Directors shall not be empowered to effect such 
exchange at any time after any Person (other than the Company, any Subsidiary 
of the Company, any 


                                      -32-

<PAGE>

employee benefit plan of the Company or any such Subsidiary, or any entity 
holding Common Shares for or pursuant to the terms of any such plan), together 
with all Affiliates and Associates of such Person, becomes the Beneficial Owner 
of 30% or more of the Common Shares then outstanding.

          (b)  Immediately upon the action of the Board of Directors ordering 
the exchange of any Rights pursuant to subsection 24(a) of this Section 24 and 
without any further action and without any notice, the right to exercise such 
Rights shall terminate and the only right thereafter of a holder of such Rights 
shall be to receive that number of Common Shares equal to the number of such 
Rights held by such holder multiplied by the Exchange Ratio.  The Company shall 
give public notice of any such exchange; PROVIDED, HOWEVER, that the failure to 
give, or any defect in, such notice shall not affect the validity of such 
exchange.  The Company shall mail a notice of any such exchange to all of the 
holders of such Rights at their last addresses as they appear upon the registry 
books of the Rights Agent.  Any notice which is mailed in the manner herein 
provided shall be deemed given, whether or not the holder receives the notice. 
Each such notice of exchange will state the method by which the exchange of the 
Common Shares for Rights will be effected and, in the event of any partial 
exchange, the number of Rights which will be exchanged.  Any partial exchange 
shall be effected pro rata based on the number of Rights (other than Rights 
which have become void pursuant to the provisions of Section 7(e) hereof) held 
by each holder of Rights.

          (c)  In the event that there shall not be sufficient Common Shares 
issued but not outstanding or authorized but unissued to permit any exchange of 
Rights as contemplated in accordance with Section 24(a), the Company shall 
either take such action as may be necessary to authorize additional Common 
Shares for issuance upon exchange of the Rights or alternatively, at the option 
of a majority of the Board of Directors, with respect to each Right (i) pay 
cash in an amount equal to the Current Value (as hereinafter defined), in lieu 
of issuing Common Shares in exchange therefor, or (ii) issue debt or equity 
securities or a combination thereof, having a value equal to the Current Value, 
in lieu of issuing Common Shares in exchange for each such Right, where the 
value of such securities shall be determined by a nationally recognized 
investment banking firm selected by majority vote of the Board of Directors, or 
(iii) deliver any combination of cash, property, Common Shares and/or other 
securities having a value equal to the Current Value in exchange for each 
Right. For purposes of this Section 24(c) only, the Current Value shall mean 
the product of the Current Per Share Market Price of Common Shares on the date 
of the occurrence of the event described above in subparagraph (a), multiplied 
by the number of Common Shares for which the Right otherwise would be 
exchangeable if there were sufficient shares available.  To the extent that the 
Company determines that some action need be taken pursuant to clauses (i), (ii) 
or (iii) of this Section 24(c), the Board of Directors may temporarily suspend 
the exercisability of the Rights for a period of up to sixty (60) days 
following the date on which the event described in Section 24(a) shall have 
occurred, in order to seek any authorization of additional Common Shares and/or 
to decide the appropriate form of distribution to be made pursuant to the above 
provision 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.



                                      -33-

<PAGE>

          (d)  The Company shall not be required to issue fractions of Common 
Shares or to distribute certificates which evidence fractional Common Shares. 
In lieu of such fractional Common Shares, there shall be paid to the registered 
holders of the Rights Certificates with regard to which such fractional Common 
Shares would otherwise be issuable, an amount in cash equal to the same 
fraction of the current market value of a whole Common Share (as determined 
pursuant to the second sentence of Section 1(j) hereof).

          (e)  The Company may, at its option, by majority vote of the Board of 
Directors, at any time before any Person has become an Acquiring Person, 
exchange all or part of the then outstanding Rights for rights of substantially 
equivalent value, as determined reasonably and with good faith by the Board of 
Directors, based upon the advice of one or more nationally recognized 
investment banking firms.

          (f)  Immediately upon the action of the Board of Directors ordering 
the exchange of any Rights pursuant to subsection 24(e) 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 rights in exchange therefor as has been 
determined by the Board of Directors in accordance with subsection 24(e) above. 
The Company shall give public notice of any such exchange; PROVIDED, HOWEVER, 
that the failure to give, or any defect in, such notice shall not affect the 
validity of such exchange.  The Company shall 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 transfer agent for the Common Shares of 
the Company. Any notice which is mailed in the manner herein provided shall be 
deemed given, whether or not the holder receives the notice.  Each such notice 
of exchange will state the method by which the exchange of the Rights will be 
effected.

     Section 25.  NOTICE OF CERTAIN EVENTS.

          (a)  In case the Company shall propose to effect or permit to occur 
any Triggering Event or Section 13 Event, the Company shall give notice thereof 
to each holder of Rights in accordance with Section 26 hereof at least twenty 
(20) days prior to occurrence of such Triggering Event or such Section 13 Event.

          (b)  In case any Triggering Event or Section 13 Event shall occur, 
then, in any such case, the Company shall as soon as practicable thereafter 
give to each holder of a Rights Certificate, in accordance with Section 26 
hereof, a notice of the occurrence of such event, which shall specify the event 
and the consequences of the event to holders of Rights under Sections 11(a)(ii) 
and 13 hereof.

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


                                      -34-

<PAGE>

                    MECON, INC.
                    200 Porter Drive, Suite 100
                    San Ramon, California, 94583
                    Attention:  President and/or Chief Executive Officer

                    with a copy to:

                    Wilson Sonsini Goodrich & Rosati
                    Professional Corporation
                    650 Page Mill Road
                    Palo Alto, California 94304-1050
                    Attention:  Jeffrey D. Saper

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

                    CHASEMELLON SHAREHOLDER SERVICES, L.L.C.
                    50 California Street, 10th Floor
                    San Francisco, California 94111
                    Attention: Patricia D. Dedrick

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

     Section 27.  SUPPLEMENTS AND AMENDMENTS.  Prior to the occurrence of a 
Distribution Date, the Company may supplement or amend this Agreement in any 
respect without the approval of any holders of Rights and the Rights Agent 
shall, if the Company so directs, execute such supplement or amendment.  From 
and after the occurrence of a Distribution Date, the Company and the Rights 
Agent may from time to time supplement or amend this Agreement without the 
approval of any holders of Rights 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) to change or supplement the provisions hereunder 
in any manner that the Company may deem necessary or desirable and that shall 
not adversely affect the interests of the holders of Rights (other than an 
Acquiring Person or an Affiliate or Associate of an Acquiring Person); 
PROVIDED, this Agreement may not be supplemented or amended to lengthen, 
pursuant to clause (iii) of this sentence, (A) a time period relating to when 
the Rights may be redeemed at such time as the Rights are not then redeemable 
or (B) any other time period unless such lengthening is for the purpose of 
protecting, enhancing or clarifying the rights of, and/or the benefits to, the 
holders of Rights (other than an Acquiring Person or an Affiliate or Associate 
of an Acquiring Person).  Upon the delivery of a certificate from an 
appropriate officer of the Company that states 


                                      -35-

<PAGE>

that the proposed supplement or amendment is in compliance with the terms of 
this Section 27, the Rights Agent shall execute such supplement or amendment.  
Prior to the Distribution Date, the interests of the holders of Rights shall be 
deemed coincident with the interests of the holders of Common Shares.

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

     Section 29.  DETERMINATIONS AND ACTIONS BY THE BOARD OF DIRECTORS, ETC. 
For all purposes of this Agreement, any calculation of the number of Common 
Shares outstanding at any particular time, including for purposes of 
determining the particular percentage of such outstanding Common Shares of 
which any Person is the Beneficial Owner, shall be made in accordance with the 
last sentence of Rule 13d-3(d)(1)(i) of the General Rules and Regulations under 
the Exchange Act. The Board of Directors of the Company shall have the 
exclusive power and authority to administer this Agreement and to exercise all 
rights and powers specifically granted to the Board, or the Company, or as may 
be necessary or advisable in the administration of this Agreement, including, 
without limitation, the right and power to (i) interpret the provisions of this 
Agreement and (ii) make all determinations deemed necessary or advisable for 
the administration of this Agreement (including a determination to redeem or 
not redeem the Rights or to amend the Agreement).  All such actions, 
calculations, interpretations and determinations (including, for purposes of 
clause (y) below, all omissions with respect to the foregoing) which are done 
or made by the Board in good faith, shall (x) be final, conclusive and binding 
on the Company, the Rights Agent, the holders of the Rights Certificates and 
all other parties and (y) not subject the Board or the Continuing Directors to 
any liability to the holders of the Rights.

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

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


                                      -36-

<PAGE>

     Section 32.  GOVERNING LAW.  This Agreement and each Right and each Rights 
Certificate issued hereunder shall be deemed to be a contract made under the 
laws of the State of Delaware and for all purposes shall be governed by and 
construed in accordance with the laws of such State applicable to contracts to 
be made and performed entirely within such State.

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

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

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

"COMPANY"                     MECON, INC.


                              By: /s/ Les Schmidt
                                 -------------------------------------------

                              Name: Les Schmidt

                              Title: President and Chief Executive Officer


"RIGHTS AGENT"                CHASEMELLON SHAREHOLDER 
                              SERVICES, L.L.C.

                              By: /s/ Patricia D. Dedrick
                                 -------------------------------------------

                              Name: Patricia D. Dedrick

                              Title: Assistant Vice President



                                      -37-

<PAGE>

                                    EXHIBIT A

               CERTIFICATE OF DESIGNATIONS OF RIGHTS, PREFERENCES
                                AND PRIVILEGES OF
                     SERIES A PARTICIPATING PREFERRED STOCK
                                 OF MECON, INC.


     The undersigned, Les Schmidt and Jeffrey D. Saper do hereby certify:

     1.   That they are the duly elected and acting President and Secretary, 
respectively, of Mecon, Inc., a Delaware corporation (the "CORPORATION").

     2.   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 February 26, 1997 adopted the following resolution creating a 
series of 20,000 shares of Preferred Stock designated as Series A Participating 
Preferred Stock:

     "RESOLVED, that pursuant to the authority vested in the Board of Directors 
of the corporation by the Restated Certificate of Incorporation, the Board of 
Directors does hereby provide for the issue of a series of Preferred Stock of 
the Corporation and does hereby fix and herein state and express the 
designations, powers, preferences and relative and other special rights and the 
qualifications, limitations and restrictions of such series of Preferred Stock 
as follows:

     Section 1.  DESIGNATION AND AMOUNT.  The shares of such series shall be 
designated as "SERIES A PARTICIPATING PREFERRED STOCK." The Series A 
Participating Preferred Stock shall have a par value of $.001 per share, and 
the number of shares constituting such series shall be 20,000.

     Section 2.  PROPORTIONAL ADJUSTMENT.  In the event the Corporation shall 
at any time after the issuance of any share or shares of Series A Participating 
Preferred Stock (i) declare any dividend on Common Stock of the Corporation 
("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 Corporation shall 
simultaneously effect a proportional adjustment to the number of outstanding 
shares of Series A Participating Preferred Stock.

     Section 3.  DIVIDENDS AND DISTRIBUTIONS.

          (a)  Subject to the prior and superior right of the holders of any
shares of any series of Preferred Stock ranking prior and superior to the shares
of Series A Participating Preferred Stock with respect to dividends, the holders
of shares of Series A Participating Preferred Stock shall be entitled to receive
when, as and if declared by the Board of Directors out of funds legally
available for the purpose, quarterly dividends payable in cash on the last day
of January, April, July and October in each year (each such date being referred
to herein as a "QUARTERLY DIVIDEND PAYMENT DATE"), 



<PAGE>

commencing on the first Quarterly Dividend Payment Date after the first 
issuance of a share or fraction of a share of Series A Participating Preferred 
Stock, in an amount per share (rounded to the nearest cent) equal to 1,000 
times the aggregate per share amount of all cash dividends, and 1,000 times the 
aggregate per share amount (payable in kind) of all non-cash dividends or other 
distributions other than a dividend payable in shares of Common Stock or a 
subdivision of the outstanding shares of Common Stock (by reclassification or 
otherwise), declared on the Common Stock since the immediately preceding 
Quarterly Dividend Payment Date, or, with respect to the first Quarterly 
Dividend Payment Date, since the first issuance of any share or fraction of a 
share of Series A Participating Preferred Stock.

          (b)  The Corporation shall declare a dividend or distribution on the 
Series A Participating Preferred Stock as provided in paragraph (a) above 
immediately after it declares a dividend or distribution on the Common Stock 
(other than a dividend payable in shares of Common Stock).

          (c)  Dividends shall begin to accrue on outstanding shares of Series 
A Participating Preferred Stock from the Quarterly Dividend Payment Date next 
preceding the date of issue of such shares of Series A Participating Preferred 
Stock, unless the date of issue of such shares is prior to the record date for 
the first Quarterly Dividend Payment Date, in which case dividends on such 
shares shall begin to accrue from the date of issue of such shares, or unless 
the date of issue is a Quarterly Dividend Payment Date or is a date after the 
record date for the determination of holders of shares of Series A 
Participating Preferred Stock entitled to receive a quarterly dividend and 
before such Quarterly Dividend Payment Date, in either of which events such 
dividends shall begin to accrue from such Quarterly Dividend Payment Date.  
Accrued but unpaid dividends shall not bear interest.  Dividends paid on the 
shares of Series A Participating 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 Participating Preferred Stock 
entitled to receive payment of a dividend or distribution declared thereon, 
which record date shall be no more than 30 days prior to the date fixed for the 
payment thereof.

     Section 4.  VOTING RIGHTS.  The holders of shares of Series A 
Participating Preferred Stock shall have the following voting rights:

          (a)  Each share of Series A Participating Preferred Stock shall 
entitle the holder thereof to 1,000 votes on all matters submitted to a vote of 
the stockholders of the Corporation. 

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



                                      -2-

<PAGE>

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

     Section 5.  CERTAIN RESTRICTIONS.

          (a)  The Corporation shall not declare any dividend on, make any 
distribution on, or redeem or purchase or otherwise acquire for consideration 
any shares of Common Stock after the first issuance of a share or fraction of a 
share of Series A Participating Preferred Stock unless concurrently therewith 
it shall declare a dividend on the Series A Participating Preferred Stock as 
required by Section 3 hereof.

          (b)  Whenever quarterly dividends or other dividends or distributions 
payable on the Series A Participating Preferred Stock as provided in Section 3 
are in arrears, thereafter and until all accrued and unpaid dividends and 
distributions, whether or not declared, on shares of Series A Participating 
Preferred Stock outstanding shall have been paid in full, the Corporation shall 
not

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

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

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

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


                                      -3-

<PAGE>

          (c)  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 5, purchase or otherwise acquire such shares at such time and in 
such manner.

     Section 6.   REACQUIRED SHARES.  Any shares of Series A Participating 
Preferred Stock purchased or otherwise acquired by the Corporation in any 
manner whatsoever shall be retired and canceled promptly after the acquisition 
thereof.  All such shares shall upon their cancellation become authorized but 
unissued shares of Preferred Stock and may be reissued as part of a new series 
of Preferred Stock to be created by resolution or resolutions of the Board of 
Directors, subject to the conditions and restrictions on issuance set forth 
herein and in the Restated Certificate of Incorporation, as then amended.

     Section 7.   LIQUIDATION, DISSOLUTION OR WINDING UP.  Upon any 
liquidation, dissolution or winding up of the Corporation, the holders of 
shares of Series A Participating Preferred Stock shall be entitled to receive 
an aggregate amount per share equal to 1,000 times the aggregate amount to be 
distributed per share to holders of shares of Common Stock plus an amount equal 
to any accrued and unpaid dividends on such shares of Series A Participating 
Preferred Stock.

     Section 8.   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 Participating Preferred Stock shall at the same time be similarly 
exchanged or changed in an amount per share equal to 1,000 times the aggregate 
amount of stock, securities, cash and/or any other property (payable in kind), 
as the case may be, into which or for which each share of Common Stock is 
changed or exchanged.

     Section 9.   NO REDEMPTION.  The shares of Series A Participating 
Preferred Stock shall not be redeemable.

     Section 10.  RANKING.  The Series A Participating Preferred Stock shall 
rank junior to all other series of the Corporation's Preferred Stock as to the 
payment of dividends and the distribution of assets, unless the terms of any 
such series shall provide otherwise.

     Section 11.  AMENDMENT.  The Restated Certificate of Incorporation of the 
Corporation shall not be further amended in any manner which would materially 
alter or change the powers, preference or special rights of the Series A 
Participating Preferred Stock so as to affect them adversely without the 
affirmative vote of the holders of a majority of the outstanding shares of 
Series A Participating Preferred Stock, voting separately as a series.

     Section 12.  FRACTIONAL SHARES.  Series A Participating 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 to have the benefit of all 
other rights of holders of Series A Participating Preferred Stock.


                                      -4-

<PAGE>

     RESOLVED FURTHER, that the President or any Vice President and the
Secretary or any Assistant Secretary of this corporation be, and they hereby
are, authorized and directed to prepare and file a Certificate of Designation of
Rights, Preferences and Privileges in accordance with the foregoing resolution
and the provisions of Delaware law and to take such actions as they may deem
necessary or appropriate to carry out the intent of the foregoing resolution."

     We further declare under penalty of perjury that the matters set forth in 
the foregoing Certificate of Designation are true and correct of our own 
knowledge.

     Executed at San Ramon, California on April 9, 1997.



                           --------------------------------------------------
                           Les Schmidt, President and Chief Executive Officer



                           ---------------------------------------------------
                           Jeffrey D. Saper, Secretary


                                      -5-

<PAGE>

                                    EXHIBIT B

                           FORM OF RIGHTS CERTIFICATE


Certificate No. R-                                              _________ Rights


     NOT EXERCISABLE AFTER THE EARLIER OF (i) FEBRUARY 26, 2007, (ii) THE
     DATE  TERMINATED BY THE COMPANY OR (iii) THE DATE THE COMPANY
     EXCHANGES THE RIGHTS PURSUANT TO THE RIGHTS AGREEMENT.  THE RIGHTS ARE
     SUBJECT TO REDEMPTION, AT THE OPTION OF THE COMPANY, AT $0.01 PER
     RIGHT ON THE TERMS SET FORTH IN THE RIGHTS AGREEMENT.  UNDER CERTAIN
     CIRCUMSTANCES, RIGHTS BENEFICIALLY OWNED BY AN ACQUIRING PERSON OR AN
     AFFILIATE OR ASSOCIATE OF AN ACQUIRING PERSON (AS SUCH TERMS ARE
     DEFINED IN THE RIGHTS AGREEMENT) AND ANY SUBSEQUENT HOLDER OF SUCH
     RIGHTS MAY BECOME NULL AND VOID.  [THE RIGHTS REPRESENTED BY THIS
     RIGHTS CERTIFICATE ARE OR WERE BENEFICIALLY OWNED BY A PERSON WHO WAS
     OR BECAME AN ACQUIRING PERSON OR AN AFFILIATE OR ASSOCIATE OF AN
     ACQUIRING PERSON (AS SUCH TERMS ARE DEFINED IN THE RIGHTS AGREEMENT). 
     ACCORDINGLY, THIS RIGHTS CERTIFICATE AND THE RIGHTS REPRESENTED HEREBY
     MAY BECOME NULL AND VOID IN THE CIRCUMSTANCES SPECIFIED IN
     SECTION 7(e) OF SUCH RIGHTS AGREEMENT.]*


                               RIGHTS CERTIFICATE

                                   MECON, INC.

     This certifies that ______________________________, or registered assigns,
is the registered owner of the number of Rights set forth above, each of which
entitles the owner thereof, subject to the terms, provisions and conditions of
the Rights Agreement dated as of April 9, 1997, (the "RIGHTS AGREEMENT"),
between Mecon, Inc., a Delaware corporation (the "COMPANY"), and ChaseMellon
Shareholder Services, L.L.C. ( the "RIGHTS AGENT"), to purchase from the Company
at any time after the Distribution Date (as such term is defined in the Rights
Agreement) and prior to 5:00 P.M., New York time, on February 26, 2007 at the
office of the Rights Agent designated for such purpose, or at the office of its
successor as Rights Agent, one one-thousandth (1/1,000) of a fully paid non-
assessable share of Series A Participating Preferred Stock, par value $.001 per
share, 


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


<PAGE>

(the "PREFERRED SHARES"), of the Company, at an Exercise Price of Fifty-Five 
Dollars ($55) per one-thousandth of a Preferred Share (the "EXERCISE PRICE"), 
upon presentation and surrender of this Rights Certificate with the Form of 
Election to Purchase and related Certificate duly executed.  The number of 
Rights evidenced by this Rights Certificate (and the number of one-thousandths 
of a Preferred Share which may be purchased upon exercise hereof) set forth 
above are the number and Exercise Price as of April 9, 1997 based on the 
Preferred Shares as constituted at such date.  As provided in the Rights 
Agreement, the Exercise Price and the number and kind of Preferred Shares or 
other securities which may be purchased upon the exercise of the Rights 
evidenced by this Rights Certificate are subject to modification and adjustment 
upon the happening of certain events.

          This Rights Certificate is subject to all of the terms, provisions 
and conditions of the Rights Agreement, which terms, provisions and conditions 
are hereby incorporated herein by reference and made a part hereof and to which 
Rights Agreement reference is hereby made for a full description of the rights, 
limitations of rights, obligations, duties and immunities hereunder of the 
Rights Agent, the Company and the holders of the Rights Certificates, which 
limitations of rights include the temporary suspension of the exercisability of 
such Rights under the specific circumstances set forth in the Rights Agreement. 
Copies of the Rights Agreement are on file at the principal executive offices 
of the Company and the above-mentioned office of the Rights Agent.

          Subject to the provisions of the Rights Agreement, the Rights 
evidenced by this Rights Certificate (i) may be redeemed by the Company, at its 
option, at a redemption price of $0.01 per Right or (ii) may be exchanged by 
the Company in whole or in part for Common Shares, substantially equivalent 
rights or other consideration as determined by the Company.

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

          No fractional portion of less than one one-thousandth of a Preferred 
Share will be issued upon the exercise of any Right or Rights evidenced hereby 
but in lieu thereof a cash payment will be made, as provided in the Rights 
Agreement.

          No holder of this Rights Certificate, as such, shall be entitled to 
vote or receive dividends or be deemed for any purpose the holder of the 
Preferred Shares or of any other securities of the Company which may at any 
time be issuable on the exercise hereof, nor shall anything contained in the 
Rights Agreement or herein be construed to confer upon the holder hereof, as 
such, any of the rights of a stockholder of the Company or any right to vote 
for the election of directors or upon any matter submitted to stockholders at 
any meeting thereof, or to give or withhold consent to any corporate action, or 
to receive notice of meetings or other actions affecting stockholders (except 
as provided in the Rights Agreement), or to receive dividends or subscription 
rights, or otherwise, 


                                     -2-

<PAGE>

until the Right or Rights evidenced by this Rights Certificate shall have been 
exercised as provided in the Rights Agreement.

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

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


ATTEST:                            MECON, INC.


                                   By:                                          
- ---------------------------------     --------------------------------------
Jeffrey D. Saper, Secretary           Les Schmidt, President and Chief
                                      Executive Officer



Countersigned:

CHASEMELLON SHAREHOLDER SERVICES, L.L.C.
as Rights Agent

By:
    ----------------------------------------------
     Patricia D. Dedrick, Assistant Vice President




                                     -3-

<PAGE>

                   FORM OF REVERSE SIDE OF RIGHTS CERTIFICATE

                               FORM OF ASSIGNMENT

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

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


Dated: _______________, 19____



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


Signature Guaranteed:

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



<PAGE>


                                   CERTIFICATE



     The undersigned hereby certifies by checking the appropriate boxes that:

          (1)  this Rights Certificate [ ] is [ ] is not being sold, assigned
and transferred by or on behalf of a Person who is or was an Acquiring Person,
or an Affiliate or Associate of any such Person (as such 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 Rights Certificate
from any Person who is, was or subsequently became an Acquiring Person or an
Affiliate or Associate of any such Person.

Dated: _______________, 19____




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


Signature Guaranteed:

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


<PAGE>


             FORM OF REVERSE SIDE OF RIGHTS CERTIFICATE -- CONTINUED

                          FORM OF ELECTION TO PURCHASE

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

To:  ___________________________

          The undersigned hereby irrevocably elects to exercise
_________________________ Rights represented by this Rights Certificate to
purchase the number of one-thousandths of a Preferred Share issuable upon the
exercise of such Rights and requests that certificates for such number of one-
thousandths of a Preferred Share issued in the name of:

Please insert social security
or other identifying number

_______________________________________________________________________________
                         (Please print name and address)
                                                                                
_______________________________________________________________________________
If such number of Rights shall not be all the Rights evidenced by this Rights
Certificate, a new Rights Certificate for the balance remaining of such Rights
shall be registered in the name of and delivered to:

Please insert social security
or other identifying number

                                                                                
_______________________________________________________________________________
                         (Please print name and address)
                                                                                
_______________________________________________________________________________


Dated: ___________________ , 19____




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

Signature Guaranteed:

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

<PAGE>
                                   CERTIFICATE


     The undersigned hereby certifies by checking the appropriate boxes that:

     (1)  the Rights evidenced by this Rights Certificate [ ] are [ ] are not
being exercised by or on behalf of a Person who is or was an Acquiring Person or
an Affiliate or Associate of any such Person (as such 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 Rights Certificate from any
Person who is, was or subsequently became an Acquiring Person or an Affiliate or
Associate of any such Person.

Dated: _______________, 19____



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


Signature Guaranteed:

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

<PAGE>

             FORM OF REVERSE SIDE OF RIGHTS CERTIFICATE -- CONTINUED

                                     NOTICE


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



<PAGE>


                                    EXHIBIT C


                             STOCKHOLDER RIGHTS PLAN
                                   MECON, INC.

                                Summary of Rights



DISTRIBUTION AND        The Board of Directors has declared a dividend of one
TRANSFER OF RIGHTS;     Right for each share of Mecon, Inc. Common Stock
RIGHTS CERTIFICATE:     outstanding.  Prior to the Distribution Date referred to
                        below, the Rights will be evidenced by and trade with
                        the certificates for the Common Stock.  After the
                        Distribution Date, Mecon, Inc. (the "COMPANY") will mail
                        Rights certificates to the Company's stockholders and
                        the Rights will become transferable apart from the
                        Common Stock.

DISTRIBUTION DATE:      Rights will separate from the Common Stock and become
                        exercisable following (a) the tenth day (or such later
                        date as may be determined by the Company's Board of
                        Directors) after a person or group acquires beneficial
                        ownership of 15% or more of the Company's Common Stock
                        or (b) the tenth business day (or such later date as may
                        be determined by the Company's Board of Directors) after
                        a person or group announces a tender or exchange offer,
                        the consummation of which would result in ownership by a
                        person or group of 15% or more of the Company's Common
                        Stock.

PREFERRED STOCK         After the Distribution Date, each Right will entitle the
PURCHASABLE UPON        holder to purchase for $55 (the "EXERCISE PRICE"), a
EXERCISE OF RIGHTS:     fraction of a share of the Company's Preferred Stock
                        with economic terms similar to that of one share of the
                        Company's Common Stock.

FLIP-IN:                If an acquiror (an "ACQUIRING PERSON") obtains 15% or
                        more of the Company's Common Stock, then each Right
                        (other than Rights owned by an Acquiring Person or its
                        affiliates) will entitle the holder thereof to purchase,
                        for the Exercise Price, a number of shares of the
                        Company's Common Stock having a then current market
                        value of twice the Exercise Price.

FLIP-OVER:              If, after an Acquiring Person obtains 15% or more of the
                        Company's Common Stock, (a) the Company merges into
                        another entity, (b) an acquiring entity merges into the
                        Company or (c) the Company sells more than 30% of the
                        Company's assets 


<PAGE>

                        or earning power, THEN each Right (other than Rights 
                        owned by an Acquiring Person or its affiliates) will 
                        entitle the holder thereof to purchase, for the 
                        Exercise Price, a number of shares of Common Stock 
                        of the person engaging in the transaction having a
                        then current market value of twice the Exercise Price.

EXCHANGE PROVISION:     At any time after the date an Acquiring Person obtains
                        15% or  more of the Company's Common Stock and prior to
                        the acquisition by the Acquiring Person of 30% of the
                        outstanding Common Stock, the Board of Directors of the
                        Company may exchange the Rights (other than Rights owned
                        by the Acquiring Person or its affiliates), in whole or
                        in part, for shares of Common Stock of the Company at an
                        exchange ratio of one share of Common Stock per Right
                        (subject to adjustment).

REDEMPTION OF           Rights will be redeemable at the Company's option for
THE RIGHTS:             $0.01 per Right at any time on or prior to the tenth day
                        (or such later date as may be determined by the
                        Company's Board of Directors) after public announcement
                        that a Person has acquired beneficial ownership of 15%
                        or more of the Company's Common Stock (the "SHARES
                        ACQUISITION DATE").

EXPIRATION OF           The Rights expire on the earliest of (a) February 26,
THE RIGHTS:             2007 or (b) exchange or redemption of the Rights as
                        described above.

AMENDMENT OF            The terms of the Rights and the Rights Agreement may be
TERMS OF RIGHTS:        amended in any respect without the consent of the Rights
                        holders on or prior to the Distribution Date;
                        thereafter, the terms of the Rights and the Rights
                        Agreement may be amended without the consent of the
                        Rights holders in order to cure any ambiguities or to
                        make changes which do not adversely affect the interests
                        of Rights holders (other than the Acquiring Person).

VOTING RIGHTS:          Rights will not have any voting rights.


ANTI-DILUTION           Rights will have the benefit of certain customary anti-
PROVISIONS:             dilution provisions.

TAXES:                  The Rights distribution should not be taxable for
                        federal income tax purposes.  However, following an
                        event which renders the Rights exercisable or upon
                        redemption of the Rights, stockholders may recognize
                        taxable income.



                                     -2-

<PAGE>

The foregoing is a summary of certain principal terms of the Stockholder Rights 
Plan only and is qualified in its entirety by reference to the detailed terms 
of the Rights Agreement dated as of April 9, 1997, between the Company and the 
Rights Agent.



                                     -3-


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