THERMO ELECTRON CORP
8-A12B, 1996-01-26
MEASURING & CONTROLLING DEVICES, NEC
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                        SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549


                       __________________________________

                                    FORM 8-A

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


                           Thermo Electron Corporation
             -------------------------------------------------------
             (Exact name of registrant as specified in its charter)


               Delaware                                04-2209186
        -----------------------                 ----------------------
        (State of incorporation                   (IRS Employer
           or organization)                     Identification No.)


        81 Wyman Street, Waltham, MA                         02254
        ----------------------------------------------      ----------
             (Address of principal executive offices)       (Zip Code)


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


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



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


                                      None
        -----------------------------------------------------------------
                    (Title of each class to be so registered)
PAGE
<PAGE>






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


             On January 19, 1996, the Board of Directors of Thermo
        Electron Corporation (the "Company") declared a dividend
        distribution of one Right for each outstanding share of the
        Company's Common Stock to stockholders of record at the close of
        business on January 29, 1996.  Each Right entitles the registered
        holder to purchase from the Company a unit consisting of one
        ten-thousandth of a share (a "Unit") of Series B Junior
        Participating Preferred Stock, $100 par value (the "Preferred
        Stock") at a Purchase Price of $250.00 in cash per Unit, subject
        to adjustment.  The description and terms of the Rights are set
        forth in a Rights Agreement (the "Rights Agreement") between the
        Company and The First National Bank of Boston as Rights Agent.

             Initially, the Rights will be attached to all Common Stock
        certificates representing shares then outstanding, and no
        separate Rights Certificates will be distributed.  The Rights
        will separate from the Common Stock and a Distribution Date will
        occur upon the earlier of (i) 10 days following a public
        announcement that a person or group of affiliated or associated
        persons (an "Acquiring Person") has acquired, or obtained the
        right to acquire, beneficial ownership of 15% or more of the
        outstanding shares of Common Stock (the "Stock Acquisition
        Date"), or (ii) 10 business days following the commencement of a
        tender offer or exchange offer that would result in a person or
        group beneficially owning 15% or more of such outstanding shares
        of Common Stock.  Until the Distribution Date, (i) the Rights
        will be evidenced by the Common Stock certificates and will be
        transferred with and only with such Common Stock certificates,
        (ii) new Common Stock certificates issued after January 29, 1996
        will contain a notation incorporating the Rights Agreement by
        reference and (iii) the surrender for transfer of any
        certificates for Common Stock outstanding will also constitute
        the transfer of the Rights associated with the Common Stock
        represented by such certificate.

             The Rights are not exercisable until the Distribution Date
        and will expire at the close of business on January 29, 2006,
        unless earlier redeemed or exchanged by the Company as described
        below.

             As soon as practicable after the Distribution Date, Rights
        Certificates will be mailed to holders of record of the Common
        Stock as of the close of business on the Distribution Date and,
        thereafter, the separate Rights Certificates alone will represent
        the Rights.  Except as otherwise determined by the Board of
        Directors and except in connection with shares of Common Stock  
        issued upon the exercise of employee stock options, issuances
        under other employee stock benefit plans or the conversion of
        convertible securities issued hereafter, only shares of Common
PAGE
<PAGE>





        Stock issued prior to the Distribution Date will be issued with
        Rights.

             In the event that a Person becomes the beneficial owner of
        15% or more of the then outstanding shares of Common Stock,
        except pursuant to an offer for all outstanding shares of Common
        Stock which the independent directors determine to be fair to,
        and otherwise in the best interests of, stockholders, each holder
        of a Right will thereafter have the right to receive, upon
        exercise, that number of shares of Common Stock (or, in certain
        circumstances, cash, property or other securities of the Company)
        which equals the exercise price of the Right divided by one-half
        of the current market price (as defined in the Rights Agreement)
        of the Common Stock at the date of the occurrence of the event.
        However, Rights are not exercisable following the event set forth
        above until such time as the Rights are no longer redeemable by
        the Company as set forth below.  Notwithstanding any of the
        foregoing, following the occurrence of such event, all Rights
        that are, or (under certain circumstances specified in the Rights
        Agreement) were, beneficially owned by any Acquiring Person will
        be null and void.  The event set forth in this paragraph are
        referred to as "Section 11(a)(ii) Event."

             For example, at an exercise price of $250.00 per Right, each
        Right not owned by an Acquiring Person (or by certain related
        parties) following an event set forth in the preceding paragraph
        would entitle its holder to purchase for $250.00 such number of
        shares of Common Stock (or other consideration, as noted above)
        as equals $250.00 divided by one-half of the current market price
        (as defined in the Rights Agreement) of the Common Stock.
        Assuming that the Common Stock had a per share value of $50.00 at
        such time, the holder of each valid Right would be entitled to
        purchase ten shares of Common Stock for $250.00.

             In the event that, at any time after any person has become
        an Acquiring Person, (i) the Company is acquired in a merger or
        other business combination transaction in which the Company is
        not the surviving corporation or its Common Stock is changed or
        exchanged (other than a merger which follows an offer determined
        by the independent directors to be fair as described in the first
        sentence of the second preceding paragraph), or (ii) 50% or more
        of the Company's assets or earning power is sold or transferred,
        each holder of a Right (except Rights which previously have been
        voided as set forth above) shall thereafter have the right to
        receive, upon exercise, that number of shares of common stock of
         the acquiring company which equals the exercise price of the
        Right divided by one-half of the current market price of such
        common stock at the date of the occurrence of the event.

             For example, at an exercise price of $250.00 per Right, each
        Right following an event set forth in the preceding paragraph
        would entitle its holder to purchase for $250.00 such number of
        shares of common stock of the acquiring company as equals $250.00
        divided by one-half of the current market price (as defined in
PAGE
<PAGE>





        the Rights Agreement) of such common stock.  Assuming that such
        common stock had a per share value of $100.00 at such time, the
        holder of each valid Right would be entitled to purchase five
        shares of common stock of the acquiring company for $250.00.

             At any time after the occurrence of a Section 11(a)(ii)
        Event, and subject to the concurrence of a majority of the
        Continuing Directors (as defined in the Rights Agreement), the
        Board of Directors of the Company may exchange the Rights (other
        than Rights owned by such Acquiring Person which have become
        void), in whole or in part, at an exchange ratio of one share of
        Common Stock, or one ten-thousandth of a share of Preferred Stock
        (or of a share of a class or series of the Company's preferred
        stock having equivalent rights, preferences and privileges), per
        Right (subject to adjustment).

             The Purchase Price payable, and the number of Units of
        Preferred Stock or other securities or property issuable, upon
        exercise of the Rights are subject to adjustment from time to
        time to prevent dilution (i) in the event of a stock dividend on,
        or a subdivision, combination or reclassification of, the
        Preferred Stock, (ii) if holders of the Preferred Stock are
        granted certain rights or warrants to subscribe for Preferred
        Stock or convertible securities at less than the current market
        price of the Preferred Stock, or (iii) upon the distribution to
        holders of the Preferred Stock of evidences of indebtedness or
        assets (excluding regular quarterly cash dividends) or of
        subscription rights or warrants (other than those referred to
        above).

             The number of Rights associated with each share of Common
        Stock is also subject to adjustment in the event of a stock split
        of the Common Stock or a stock dividend on the Common
        Stock payable in Common Stock or subdivisions, consolidations or
        combinations of Common Stock occurring, in any such case, prior
        to the Distribution Date.

             Preferred Stock purchasable upon exercise of the Rights will
        not be redeemable.  Each share of Preferred Stock will be
        entitled to a minimum preferential quarterly dividend payment of
        $100 per  share and will be entitled to an aggregate dividend of
        10,000 times the dividend declared per share of Common Stock.  In
        the event of liquidation, the holders of the Preferred Stock will
        be entitled to a minimum preferential liquidating payment of $100
        per share and will be entitled to an aggregate payment of 10,000
        times the payment made per share of Common Stock.  Each share of
        Preferred Stock will have 10,000 votes, voting together with the
        Common Stock.  Finally, in the event of any merger, consolidation
        or other transaction in which Common Stock is changed or
        exchanged, each share of Preferred Stock will be entitled to
        receive 10,000 times the amount received per share of Common
        Stock.  These rights are protected by customary antidilution
        provisions.
PAGE
<PAGE>





             Because of the nature of the Preferred Stock's dividend,
        liquidation and voting rights, the value of one ten-thousandth of
        a share of Preferred Stock purchasable upon exercise of each
        Right should approximate the value of one share of Common Stock.

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

             At any time until ten days following the Stock Acquisition
        Date, the Company may redeem the Rights in whole, but not in
        part, at a price of $.01 per Right (payable in cash or stock).
        Immediately upon the action of the Board of Directors ordering
        redemption of the Rights, the Rights will terminate and the only
        right of the holders of Rights will be to receive the $.01
        redemption price.  The Rights may also be redeemable following
        certain other circumstances specified in the Rights Agreement.

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

             Prior to the Distribution Date, the terms of the Rights are
        subject to amendment by the Board of Directors without the
        consent of the holders of the Rights, except that the redemption
        price of  the Rights is not subject to amendment.  After the
        Distribution Date, only limited terms of the Rights are subject
        to amendment by the Board.

             As of December 31, 1995, there were 85,851,741 shares of
        Common Stock outstanding, and there were 35,941,622 shares of
        Common Stock reserved for issuance upon exercise of outstanding
        options issued pursuant to various employee benefit plans and
        upon the conversion or exchange of outstanding convertible or
        exchangeable securities.  Each outstanding share of Common Stock
        on January 29, 1996 will receive one Right.  As long as the
        Rights are attached to the Common Stock, one additional Right (as
        such number may be adjusted pursuant to the provisions of the
        Rights Agreement) shall be deemed to be delivered for each share
        of Common Stock issued or delivered by the Company in the future.
        In addition, following the Distribution Date and prior to the
        expiration or redemption of the Rights, the Company shall issue
        stock upon the exercise, conversion or exchange of securities
        issued on or before the Distribution Date that are exercisable or
        exchangeable for, or convertible into, Common Stock, and may
PAGE
<PAGE>





        otherwise issue Rights when it issues Common Stock only if the
        Board of Directors deems it to be necessary or appropriate for
        tax purposes.  Forty Thousand shares of Preferred Stock are
        initially reserved for issuance upon exercise of the Rights.

             The Rights have certain anti-takeover effects.  The Rights
        will cause substantial dilution to a person or group that
        attempts to acquire the Company without conditioning the offer on
        a substantial number of Rights being acquired.  The Rights,
        however, should not affect any prospective offeror willing to
        make an offer at a fair price and otherwise in the best interests
        of the Company and its stockholders, as determined by a majority
        of unaffiliated Directors, or willing to negotiate with the Board
        of Directors.  The Rights should not interfere with any merger or
        other business combination approved by the Board of Directors of
        the Company since the Board of Directors may, at its option, at
        any time prior to the close of business on the earlier of (i) the
        tenth day following the Stock Acquisition Date or (ii) January
        29, 1996, and in certain other circumstances, redeem all but not
        less than all of the then outstanding Rights at the Redemption
        Price.  It should be noted, however, that the Company's
        Certificate of Incorporation, as amended, contains certain
        provisions, including a classified board of directors and the
        prohibition of written actions of stockholders, which may also
        have certain anti-takeover effects.

             In conjunction with the declaration of this dividend, the
        Board of Directors of the Company redeemed the rights issued
        pursuant to the Company's May 4, 1988 Rights Agreement effective
        as of January 29, 1996.  The redemption price for these
        previously issued rights was $.02 per right and, prior to the
        redemption, certificates representing each share of the Company's
        Common Stock also represented 4/9ths of a previously issued
        right.

             The Form of Rights Agreement between the Company and the
        Rights Agent specifying the terms of the Rights, which includes
        as Exhibit A the Form of Certificate of Designations, as
        Exhibit B the Form of Rights Certificate, and as Exhibit C the
        Summary of Rights to Purchase Preferred Stock, is filed as
        Exhibit 1 hereto and is incorporated herein by reference.  The
        foregoing description of the Rights does not purport to be
        complete and is qualified in its entirety by reference to such
        Exhibits.
PAGE
<PAGE>






        Item 2.   Exhibits.
                  --------

             1    Rights Agreement, dated as of January 19, 1996 between
        Thermo Electron Corporation and The First National Bank of
        Boston, as Rights Agent, which includes as Exhibit A the Form of
        Certificate of Designations, as Exhibit B the Form of Rights
        Certificate, and as Exhibit C the Summary of Rights to Purchase
        Preferred Stock.  Pursuant to the Rights Agreement, Rights
        Certificates will not be mailed until after the Distribution Date
        (as that term is defined in the Rights Agreement).
PAGE
<PAGE>






                                   SIGNATURES



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



        Date: January 25, 1996   Thermo Electron Corporation



                                           /s/ George N. Hatsopoulos
                                           ---------------------------
                                 By:       George N. Hatsopoulos
                                 Title:    Chairman and President
PAGE
<PAGE>





                                  EXHIBIT INDEX
                                  -------------

        Exhibit No.    Description                                  Page
        -----------    -----------                                  ----


             1         Rights Agreement, dated as
                       of January 19, 1996 between
                       Thermo Electron Corporation
                       and The First National Bank
                       of Boston, as Rights Agent,
                       which includes as Exhibit A
                       the Form of Certificate of 
                       Designations, as Exhibit B
                       the Form of Rights Certificate,
                       and as Exhibit C the Summary
                       of Rights to Purchase Preferred




                                                                EXHIBIT 1







                           THERMO ELECTRON CORPORATION

                                       and

                        THE FIRST NATIONAL BANK OF BOSTON

                                  Rights Agent


                               __________________


                                Rights Agreement

                          Dated as of January 19, 1996
PAGE
<PAGE>





                                 Table of Contents

        Section                                                     Page

             1    Certain Definitions                               1

             2    Appointment of Rights Agent                       6

             3    Issue of Rights Certificates                      6

             4    Form of Rights Certificates                       9

             5    Countersignature and Registration                 10

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

             7    Exercise of Rights; Purchase Price;
                  Expiration Date of Rights                         11

             8    Cancellation and Destruction of
                  Rights Certificates                               14

             9    Reservation and Availability of Capital Stock     14

             10   Preferred Stock Record Date                       16

             11   Adjustment of Purchase Price, Number and
                  Kind of Shares or Number of Rights                16

             12   Certificate of Adjusted Purchase Price or
                  Number of Shares                                  26

             13   Consolidation, Merger or Sale or Transfer
                  of Assets or Earning Power                        27

             14   Fractional Rights and Fractional Shares           30

             15   Rights of Action                                  31

             16   Agreement of Rights Holders                       32

             17   Rights Certificate Holder Not Deemed
                  a Stockholder                                     32

             18   Concerning the Rights Agent                       33
PAGE
<PAGE>





             19   Merger or Consolidation or Change of
                   Name of Rights Agent                             33

             20   Duties of Rights Agent                            34

             21   Change of Rights Agent                            37

             22   Issuance of New Rights Certificates               38

             23   Redemption and Termination                        38

             24   Exchange                                          40

             25   Notice of Certain Events                          42

             26   Notices                                           43

             27   Supplements and Amendments                        43

             28   Successors                                        44

             29   Determinations and Actions by the
                  Board of Directors, etc.                          44

             30   Benefits of this Agreement                        45

             31   Severability                                      45

             32   Governing Law                                     45

             33   Counterparts                                      45

             34   Descriptive Headings                              45


        Exhibit A -- Certificate of Designations

        Exhibit B -- Form of Rights Certificate

        Exhibit C -- Form of Summary of Rights

PAGE
<PAGE>





                                RIGHTS AGREEMENT

             RIGHTS AGREEMENT, dated as of January 19, 1996 (the
        "Agreement"), between THERMO ELECTRON CORPORATION, a Delaware
        corporation (the "Company"), and THE FIRST NATIONAL BANK OF
        BOSTON, a national banking association, as Rights Agent (the
        "Rights Agent").

                               W I T N E S S E T H

             WHEREAS, on January 19, 1996, the Board of Directors of the
        Company (the "Board") authorized and declared a dividend of one
        right (a "Right") for each share of Common Stock (as hereinafter
        defined) of the Company outstanding at the close of business on
        January 29, 1996 (the "Record Date"), and authorized the issuance
        of one Right (as such number may hereinafter be adjusted pursuant
        to the provisions of Section 11(p) hereof) for each share of
        Common Stock of the Company issued between the Record Date
        (whether originally issued or delivered from the Company's
        treasury) and the earliest of the Distribution Date, the
        Redemption Date or the Final Expiration Date, each Right
        initially representing the right to purchase one ten-thousandth
        of a share of Series B Junior Participating Preferred Stock of
        the Company having the rights, powers and preferences set forth
        in the form of Certificate of Designations attached hereto as
        Exhibit A, upon the terms and subject to the conditions
        hereinafter set forth (the "Rights");

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

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

             (a)  "Acquiring Person" shall mean any Person who or which,
        together with all Affiliates and Associates of such Person, shall
        be the Beneficial Owner of 15% or more of the shares of Common
        Stock then outstanding, but shall not include (i) the Company,
        (ii) any Subsidiary of the Company, (iii) any employee benefit
        plan of the Company or of any Subsidiary of the Company, or (iv)
        any Person or entity organized, appointed or established by the
        Company for or pursuant to the terms of any such plan.
        Notwithstanding the foregoing, no Person shall become an
        "Acquiring Person" as the result of an acquisition of Common
        Stock 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
        Stock of the Company then outstanding; provided, however, that if
        a Person shall become the Beneficial Owner of 15% or more of the
PAGE
<PAGE>





        Common Stock 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
        Stock of the Company, then such Person shall be deemed to be an
        "Acquiring Person."  Notwithstanding the foregoing, if the Board
        of Directors of the Company determines in good faith that a
        Person who would otherwise be an "Acquiring Person," as defined
        pursuant to the foregoing provisions of this paragraph (a), has
        become such inadvertently, and such Person divests as promptly as
        practicable a sufficient number of shares of Common Stock so that
        such Person would no longer be an "Acquiring Person," as defined
        pursuant to the foregoing provisions of this paragraph (a), then
        such Person shall not be deemed to be an "Acquiring Person" for
        any purposes of this Agreement.

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

             (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 Securities Exchange Act of 1934,
        as amended and in effect on the date of this Agreement (the
        "Exchange Act").

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

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






                  (ii) which such Person or any of such Person's
        Affiliates or Associates, directly or indirectly, has the right
        to vote or dispose of or has "beneficial ownership" of (as
        determined pursuant to Rule 13d-3 of the General Rules and
        Regulations under the Exchange Act, or any comparable or
        successor rule), including pursuant to any agreement, arrangement
        or understanding (other than customary agreements with and
        between underwriters and selling group members with respect to a
        bona fide public offering of securities), whether or not in
        writing; provided, however, that a Person shall not be deemed the
        "Beneficial Owner" of, or to "beneficially own," any security
        under this subparagraph (ii) as a result of an agreement,
        arrangement or understanding to vote such security if such
        agreement, arrangement or understanding:  (A) arises solely from
        a revocable proxy given in response to a public proxy or consent
        solicitation made pursuant to, and in accordance with, the
        applicable provisions of the General Rules and Regulations under
        the Exchange Act, and (B) is not also then reportable by such
        Person on Schedule 13D under the Exchange Act (or any comparable
        or successor report); or

                  (iii) which are beneficially owned, directly or
        indirectly, by any other Person (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 (other than customary agreements with and between
        underwriters and selling group members with respect to a bona
        fide public offering of securities), whether or not in writing,
        for the purpose of acquiring, holding, voting (except pursuant to
        a revocable proxy as described in the proviso to subparagraph
        (ii) of this paragraph (d)) or disposing of any voting securities
        of the Company.

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

             (e)  "Business Day" shall mean any day other than a
        Saturday, Sunday or a day on which banking institutions in the
        Commonwealth  of Massachusetts 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., Boston time, on such date; provided, however, that if such
        date is not a Business Day it shall mean 5:00 P.M., Boston time,
        on the next succeeding Business Day.
PAGE
<PAGE>






             (g)  "Common Stock" shall mean the common stock, $1.00 par
        value, of the Company, except that "Common Stock" when used with
        reference to any Person other than the Company shall mean the
        capital stock of such Person with the greatest voting power, or
        the equity securities or other equity interest having power to
        control or direct the management, of such Person.

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

             (i)  "Continuing Director" shall mean (i) any member of the
        Board, while such Person is a member of the Board, who is not
        an Acquiring Person, or an Affiliate or Associate of an Acquiring
        Person, or a representative of an Acquiring Person or of any such
        Affiliate or Associate, and was a member of the Board prior to
        the date of this Agreement, or (ii) any Person who subsequently
        becomes a member of the Board, while such Person is a member of
        the Board, who is not an Acquiring Person, or an Affiliate or
        Associate of an Acquiring Person, or a representative of an
        Acquiring Person or of any such Affiliate or Associate, if such
        Person's nomination for election or election to the Board is
        recommended or approved by a majority of the Continuing
        Directors.

             (j)  "Current market price" shall have the meaning set forth
        in Section 11(d)(i) hereof.

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

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

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

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

             (o)  "Final Expiration Date" shall mean the close of
        business on January 29, 2006.

             (p)  "Permitted Offer" shall mean a tender offer or an
        exchange offer for all outstanding shares of Common Stock at a
        price and on terms determined by at least a majority of the
        members of the Board of Directors who are not officers of the
        Company and who are not representatives, nominees, Affiliates or
        Associates of an Acquiring Person, after receiving advice from a
        nationally recognized investment banking firm selected by the
        Board of Directors of the Company, to be (a) at a price that is
PAGE
<PAGE>





        fair to stockholders (taking into account all factors which such
        members of the board deem relevant including, without limitation,
        prices which could reasonably be achieved if the Company or its
        assets were sold on an orderly basis designed to realize maximum
        value) and (b) otherwise in the best interests of the Company and
        its stockholders.

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

             (r)  "Preferred Stock" shall mean shares of Series B Junior
        Participating Preferred Stock, $100 par value, of the Company
        having the rights and preferences set forth in the form of
        Certificate of Designations attached to this Agreement as
        Exhibit A and, to the extent that there is not a sufficient
        number of shares of Series B Junior Participating Preferred Stock
        authorized to permit the full exercise of the Rights, any other
        series of Junior Series Preferred Stock, $100 par value, of the
        Company designated for such purpose containing terms
        substantially similar to the terms of the Series B Junior
        Participating Preferred Stock.

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

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

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

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

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

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

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

             (z)  "Section 11(a)(ii) Event" shall mean an acquisition of
        Common Stock described in the first sentence of Section 11(a)(ii)
        hereof.

             (aa) "Section 11(a)(ii) Trigger Date" shall have the meaning
        set forth in Section 11(a)(iii) hereof.
PAGE
<PAGE>





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

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

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

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

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

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

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

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

             Section 3.  Issue of Rights Certificates.

             (a)  Until the earlier of (i) the close of business on the
        tenth day after the Stock Acquisition Date (or, if the tenth day
        after the Stock Acquisition Date occurs before the Record Date,
        the close of business on the Record Date), or (ii) the close of
        business on the tenth Business Day (or such later date as may be
         determined by action of the Board of Directors prior to such
        time as any Person becomes an Acquiring Person) after the date
        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
PAGE
<PAGE>





        Rules and Regulations under the Exchange Act, if upon
        consummation thereof, such Person would be the Beneficial Owner
        of 15% or more of the shares of Common Stock then outstanding
        (the earlier of (i) and (ii) being herein referred to as the
        "Distribution Date"), (x) the Rights will be evidenced (subject
        to the provisions of paragraph (b) of this Section 3) by the
        certificates for the Common Stock registered in the names of the
        holders of the Common Stock (which certificates for Common Stock
        shall be deemed also to be certificates for Rights) and not by
        separate certificates, and (y) the Rights will be transferable
        only in connection with the transfer of the underlying shares of
        Common Stock (including a transfer to the Company).  As soon as
        practicable after the Distribution Date, the Rights Agent will
        send by first-class, insured, postage prepaid mail, to each
        record holder of the Common Stock as of the close of business on
        the Distribution Date, at the address of such holder shown on the
        records of the Company, one or more rights certificates, in
        substantially the form of Exhibit B hereto (the "Rights
        Certificates"), evidencing one Right for each share of Common
        Stock so held, subject to adjustment as provided herein.  In the
        event that an adjustment in the number of Rights per share of
        Common Stock has been made pursuant to Section 11(p) hereof, at
        the time of distribution of the Right Certificates, the Company
        shall make the necessary and appropriate rounding adjustments (in
        accordance with Section 14(a) hereof) so that Rights Certificates
        representing only whole numbers of Rights are distributed and
        cash is paid in lieu of any fractional Rights.  As of and after
        the Distribution Date, the Rights will be evidenced solely by
        such Rights Certificates.

             (b)  As promptly as practicable following the Record Date,
        the Company will send a copy of a Summary of Rights to Purchase
        Preferred Stock, in substantially the form attached hereto as
        Exhibit C, by first-class, postage prepaid mail, to each record
        holder of the Common Stock as of the close of business on the
        Record Date, at the address of such holder shown on the records
        of the Company.  With respect to certificates for the Common
        Stock outstanding as of the close of business on the Record Date,
        until the Distribution Date, the Rights will be evidenced by such
        certificates for the Common Stock and the registered holders of
        the Common Stock shall also be the registered holders of the
        associated Rights.

             (c)  Rights shall be issued (i) in respect of all shares of
        Common Stock that are issued (either as an original issuance or
        from the Company's treasury) after the Record Date but prior to
        the earlier of the Distribution Date or the Expiration Date and
        (ii) in connection with the issuance or sale of Common Stock
        following the Distribution Date and prior to the Expiration Date
        upon the exercise of stock options or under any employee plan or
        arrangement, or upon the exercise, conversion or exchange of
PAGE
<PAGE>





        securities issued by the Company prior to the Distribution Date.
        Certificates representing such shares of Common Stock (including,
        without limitation, certificates issued upon transfer or exchange
        of Common Stock) 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 the Rights Agreement
        between Thermo Electron Corporation (the "Company") and The First
        National Bank of Boston (the "Rights Agent") dated as of
        January 19, 1996 (the "Rights Agreement"), the terms of which are
        hereby incorporated herein by reference and a copy of which is on
        file at the principal offices of the Company.  Under certain
        circumstances, as set forth in the Rights Agreement, such Rights
        will be evidenced by separate certificates and will no longer be
        evidenced by this certificate.  The Company will mail to the
        holder of this certificate a copy of the Rights Agreement, as in
        effect on the date of mailing, without charge promptly 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 Associates 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 Stock
        represented by such certificates shall be evidenced by such
        certificates alone and registered holders of Common Stock shall
        also be the registered holders of the associated Rights.

             (d)  Until the earlier of the Distribution Date or the
        Expiration Date (as such term is defined in Section 7 hereof),
        the transfer of any certificates representing shares of Common
        Stock in respect of which Rights have been issued shall also
        constitute the transfer of the Rights associated with such shares
        of Common Stock.  In the event that the Company purchases or
        acquires any shares of Common Stock after the Record Date but
        prior to the Distribution Date, any Rights associated with such
        shares of Common Stock shall be deemed cancelled and retired so
        that the Company shall not be entitled to exercise any Rights
        associated with the shares of Common Stock which are no longer
        outstanding.

             Section 4.  Form of Rights Certificates.

             (a)  The Rights Certificates (and the forms of election to
        purchase, certification and assignment to be printed on the
        reverse thereof) shall each be substantially in the form set
PAGE
<PAGE>





        forth in Exhibit B hereto and may have such marks of
        identification or designation and such legends, summaries or
        endorsements printed thereon as the Company may deem appropriate
        and as are not inconsistent with the provisions of this
        Agreement, or as may be required to comply with any applicable
        law or with any rule or regulation made pursuant thereto or with
        any rule or regulation of any stock exchange or over-the-counter
        market on which the Rights may from time to time be listed, or to
        conform to usage.  Subject to the provisions of Section 11 and
        Section 22 hereof, the Rights Certificates, whenever distributed,
        shall entitle the holders thereof to purchase such number of one
        ten-thousandths of a share of Preferred Stock as shall be set
        forth therein at the price set forth therein (such exercise price
        per one ten-thousandth of a share, the "Purchase Price"), but the
        amount and type of securities purchasable upon the exercise of
        each Right and the Purchase Price thereof shall be subject to
        adjustment as provided herein.

             (b)  Any Rights Certificate issued pursuant to Section 3 or
        Section 22 hereof that represents Rights beneficially owned by
        persons known to be: (i) an Acquiring Person or any Associate or
        Affiliate of an Acquiring Person, (ii) a transferee of an
        Acquiring Person (or of any such Associate or Affiliate) who
        becomes a transferee after the Acquiring Person becomes such, or
        (iii) a transferee of an Acquiring Person (or of any such
        Associate or Affiliate) who becomes a transferee prior to or
        concurrently with the Acquiring Person becoming such and receives
        such Rights pursuant to either (A) a transfer (whether or not for
        consideration) from the Acquiring Person to holders of equity
        interests in such Acquiring Person or to any Person with whom
        such Acquiring Person has any continuing agreement, arrangement
        or understanding regarding the transferred Rights or (B) a
        transfer which the Board of Directors of the Company has
        determined is part of a plan, arrangement or understanding that
        has as a primary purpose or effect avoidance of Section 7(e)
        hereof, and any Rights Certificate issued pursuant to Section 6
        or Section 11 hereof upon transfer, exchange, replacement or
        adjustment of any other Rights Certificate referred to in this
        sentence, shall contain (to the extent feasible) the following
        legend:

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





             Section 5.  Countersignature and Registration.

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

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

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

             (a)  Subject to the provisions of Section 4(b), Section 7(e)
        and Section 14 hereof, at any time after the close of business on
        the Distribution Date, and at or prior to the close of business
        on the earlier of the Redemption Date or the Expiration Date, any
        Rights Certificate or Certificates (other than Rights
        Certificates representing Rights that have become void pursuant
        to Section 7(e) hereof or that have been exchanged pursuant to
        Section 24 hereof) may be transferred, split up, combined or
        exchanged for another Rights Certificate or Certificates,
        entitling the registered  holder to purchase a like number of one
        ten-thousandths of a share of Preferred Stock (or, following a
        Triggering Event, Common Stock, other securities, cash or other
PAGE
<PAGE>





        assets, as the case may be) as the Rights Certificate or
        Certificates surrendered then entitled such holder (or former
        holder in the case of a transfer) to purchase.  Any registered
        holder desiring to transfer, split up, combine or exchange any
        Rights Certificate or Certificates shall make such request in
        writing delivered to the Rights Agent, and shall surrender the
        Rights Certificate or Certificates to be transferred, split up,
        combined or exchanged, with the form of assignment and
        certificate appropriately executed, 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 Section 4(b), Section 7(e) and Section 14
        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 loss, theft or destruction, of indemnity or security
        reasonably satisfactory to them, and reimbursement to the Company
        and the Rights Agent of all reasonable expenses incidental
        thereto, and upon surrender to the Rights Agent and cancellation
        of the Rights Certificate if mutilated, the Company will execute
        and deliver a new Rights Certificate of like tenor to the Rights
        Agent for countersignature and delivery to the registered owner
        in lieu of the Rights Certificate so lost, stolen, destroyed or
        mutilated.

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

             (a)  Subject to Section 7(e) hereof, the registered holder
        of any Rights Certificate may exercise the Rights evidenced
        thereby (except as otherwise provided herein including, without
        limitation, the restrictions on exercisability set forth in
        Section 9(c), Section 11(a)(iii) and Section 23(a) hereof) in
        whole or in part at any time after the Distribution Date upon  
        surrender of the Rights Certificate, with the form of election to
        purchase and the certificate on the reverse side thereof duly
        executed, to the Rights Agent at the office of the Rights Agent
PAGE
<PAGE>





        designated for such purpose, together with payment of the
        aggregate Purchase Price with respect to the total number of one
        ten-thousandths of a share (or other securities, cash or other
        assets, as the case may be) as to which such surrendered Rights
        are then exercisable, at or prior to the earliest of (i) the
        Final Expiration Date, (ii) the time at which the Rights expire
        as provided in Section 13(d) hereof, (iii) the time at which the
        Rights are redeemed as provided in Section 23 hereof (the
        "Redemption Date"), or (iv) the time at which such Rights are
        exchanged as provided in Section 24 hereof (the earliest of (i),
        (ii), (iii) and (iv) being herein referred to as the "Expiration
        Date").

             (b)  The Purchase Price for each one ten-thousandth of a
        share of Preferred Stock pursuant to the exercise of a Right
        shall initially be $250.00, and shall be subject to adjustment
        from time to time as provided in Sections 11 and 13(a) hereof and
        shall be payable in, accordance with paragraph (c) below.

             (c)  Upon receipt of a Rights Certificate representing
        exercisable Rights, with the form of election to purchase and the
        certificate duly executed, accompanied by payment, with respect
        to each Right so exercised, of the Purchase Price per one
        ten-thousandth of a share of Preferred Stock (or other shares,
        securities, cash or other assets, as the case may be) to be
        purchased as set forth below and an amount equal to any
        applicable transfer tax, the Rights Agent shall, subject to
        Section 20(k) hereof, thereupon promptly (i) (A) requisition from
        any transfer agent of the shares of Preferred Stock (or make
        available, if the Rights Agent is the transfer agent for such
        shares) certificates for the total number of one ten-thousandths
        of a share of Preferred Stock to be purchased and the Company
        hereby irrevocably authorizes its transfer agent to comply with
        all such requests, or (B) if the Company shall have elected to
        deposit the total number of shares of Preferred Stock issuable
        upon exercise of the Rights hereunder with a depositary agent,
        requisition from the depositary agent depositary receipts
        representing such number of one ten-thousandths of a share of
        Preferred Stock as are to be purchased (in which case
        certificates for the shares of Preferred Stock represented by
        such receipts shall be deposited by the transfer agent with the
        depositary agent) and the Company hereby directs the depositary
        agent to comply with such requests, (ii) requisition from the
        Company the amount of cash, if any, to be paid in lieu of
        fractional shares in accordance with Section 14 hereof, (iii)
        after receipt of such certificates or depositary receipts, cause
        the same to be delivered to or upon the order of the registered
        holder of such Rights Certificate, registered in  such name or
        names as may be designated by such holder, and (iv) after receipt
        thereof, deliver such cash, if any, to or upon the order of the
        registered holder of such Rights Certificate.  The payment of the
PAGE
<PAGE>





        Purchase Price (as such amount may be reduced pursuant to
        Section 11(a)(iii) hereof) may be made in cash or by certified
        bank check or money order payable to the order of the Company.
        In the event that the Company is obligated to issue other
        securities (including Common Stock) of the Company, pay cash
        and/or distribute other property pursuant to Section 11(a)
        hereof, the Company shall 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 and
        delivered to, or upon the order of, the registered holder of such
        Rights Certificate, registered in such name or names as may be
        designated by such holder, subject to the provisions of
        Section 14 hereof.

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

             (f)  Notwithstanding anything in this Agreement to the
        contrary, neither the Rights Agent nor the Company shall be
        obligated to undertake any action with respect to a registered
        holder upon the occurrence of any purported transfer or exercise
PAGE
<PAGE>





        as set forth in this Section 7 unless such registered holder
        shall have (i) completed and signed the certificate following the
        form of assignment or election to purchase set forth on the
        reverse side of the Rights Certificate surrendered for such
        assignment or exercise, and (ii) provided such additional
        evidence of the identity of the Beneficial Owner (or former
        Beneficial Owner) or Affiliates or Associates thereof as the
        Company shall reasonably request.

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

             Section 9.  Reservation and Availability of Capital Stock.

             (a)  The Company covenants and agrees that it will cause to
        be reserved and kept available out of its authorized and unissued
        shares of Preferred Stock (and, following the occurrence of a
        Triggering Event, out of its authorized and unissued shares of
        Common Stock and/or other securities or out of its authorized and
        issued shares held in its treasury), the number of shares of
        Preferred Stock (and, following the occurrence of a Triggering
        Event, Common Stock and/or other securities) that, as provided in
        this Agreement including Section 11(a) (iii) hereof, will be
        sufficient to permit the exercise in full of all outstanding
        Rights.

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





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

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

             (e)  The Company further covenants and agrees that it will
        pay when due and payable any and all federal and state transfer
        taxes and charges that may be payable in respect of the issuance
        or delivery of the Rights Certificates and of any certificates
        for a number of one ten-thousandths of a share of Preferred Stock
        (or Common Stock and/or other securities, as the case may be)
        upon the  exercise of Rights.  The Company shall not, however, be
        required (i) to pay any transfer tax that may be payable in
        respect of any transfer or delivery of Rights Certificates to a
        Person other than, or the issuance or delivery of a number of one
PAGE
<PAGE>





        ten-thousandths of a share of Preferred Stock (or Common Stock
        and/or other securities, as the case may be) in respect of a name
        other than that of, the registered holder of the Rights
        Certificate evidencing Rights surrendered for exercise or (ii) to
        issue or deliver any certificates for a number of one
        ten-thousandths of a share of Preferred Stock (or Common Stock
        and/or other securities, as the case may be) in a name other than
        that of the registered holder upon the exercise of any Rights
        until such tax shall have been paid (any such tax being payable
        by the holder of such Rights Certificate at the time of
        surrender) or until it has been established to the Company's
        satisfaction that no such tax is due.

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

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

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

                  (ii) Subject to Section 24 of this Agreement, in the
        event that any Person shall become an Acquiring Person, unless
        the event causing the 15% threshold to be crossed is a
        transaction set forth in Section 13(a) hereof, or is a Permitted
        Offer, then, promptly following the first occurrence of such
        event, proper provision shall be made so that each holder of a
        Right (except as provided below and in Section 7(e) hereof) shall
        thereafter have the right to receive, upon exercise thereof at
        the then current Purchase Price in accordance with the terms of
        this Agreement, in lieu of a number of one ten-thousandths of a
        share of Preferred Stock, such number of shares of Common Stock
        of the Company that equals the result obtained by (x) multiplying
        the then current Purchase Price by the then number of one
        ten-thousandths of a share of Preferred Stock for which a Right
        was exercisable immediately prior to the first occurrence of a
        Section 11(a)(ii) Event, and (y) dividing that product (which,
        following such first occurrence, shall thereafter be referred to
        as the "Purchase Price" for each   Right and for all purposes of
        this Agreement) by 50% of the current market price (determined
        pursuant to Section 11(d) hereof) per share of Common Stock on
        the date of such first occurrence (such number of shares, the
        "Adjustment Shares").

                  (iii) In the event that the number of shares of Common
        Stock that are authorized by the Company's certificate of
        incorporation but not outstanding or reserved for issuance for
PAGE
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        purposes other than upon exercise of the Rights are not
        sufficient to permit the exercise in full of the Rights in
        accordance with the foregoing subparagraph (ii) of this
        Section 11(a), the Company shall: (A) determine the excess of (l)
        the value of the Adjustment Shares issuable upon the exercise of
        a Right (the "Current Value") over (2) the Purchase Price (such
        excess, the "Spread"), and (B) with respect to each Right, make
        adequate provision to substitute for the Adjustment Shares, upon
        payment of the applicable Purchase Price, (l) cash, (2) a
        reduction in the Purchase Price, (3) Common Stock or other equity
        securities of the Company (including, without limitation, shares,
        or units of shares, of preferred stock which the Board of
        Directors of the Company has deemed to have the same value as
        shares of Common Stock (such shares of preferred stock, "common
        stock equivalents")), (4) debt securities of the Company, (5)
        other assets, or (6) any combination of the foregoing, having an
        aggregate value equal to the Current Value, where such aggregate
        value has been determined by the Board of Directors of the
        Company based upon the advice of a nationally recognized
        investment banking firm selected by the Board of Directors of the
        Company; 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 Section 11(a)(ii) Event and (y) the date on which
        the Company's right of redemption pursuant to Section 23(a)
        expires (the later of (x) and (y) being referred to herein as the
        "Section 11(a)(ii) Trigger Date"), then the Company shall be
        obligated to deliver, upon the surrender for exercise of a Right
        and without requiring payment of the Purchase Price, shares of
        Common Stock (to the extent available) and then, if necessary,
        cash, which shares and/or cash have an aggregate value equal to
        the Spread.  If the Board of Directors of the Company shall
        determine in good faith that it is likely that sufficient
        additional shares of Common Stock could be authorized for
        issuance upon exercise in full of the Rights, the thirty (30) day
        period set forth above may be extended to the extent necessary,
        but not more than ninety (90) days after the Section 11(a)(ii)
        Trigger Date, in order that the Company may seek shareholder
        approval for the authorization of such additional shares (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(e) hereof, that such action shall apply uniformly to
        all outstanding Rights, and (y) may suspend the exercisability of
        the Rights until the expiration of the Substitution Period in
        order to seek any authorization of additional shares and/or to
        decide the appropriate form of distribution to be made pursuant
        to such 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
PAGE
<PAGE>





        has been temporarily suspended, as well as a public announcement
        at such time as the suspension is no longer in effect.  For
        purposes of this Section 11(a)(iii), the value of the Common
        Stock shall be the current market price (as determined pursuant
        to Section 11(d) hereof) per share of the Common Stock 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
        Stock on such date.

             (b)  In case the Company shall fix a record date for the
        issuance of rights, options or warrants to all holders of
        Preferred Stock entitling them to subscribe for or purchase (for
        a period expiring within forty-five (45) calendar days after such
        record date) Preferred Stock (or shares having the same rights,
        privileges and preferences as the shares of Preferred Stock
        ("equivalent preferred stock")) or securities convertible into
        Preferred Stock or equivalent preferred stock at a price per
        share of Preferred Stock or per share of equivalent preferred
        stock (or having a conversion price per share, if a security
        convertible into Preferred Stock or equivalent preferred stock)
        less than the current market price (as determined pursuant to
        Section 11(d) hereof) per share of Preferred Stock on such record
        date, the Purchase Price to be in effect after such record date
        shall be determined by multiplying the Purchase Price in effect
        immediately prior to such record date by a fraction, the
        numerator of which shall be the number of shares of Preferred
        Stock outstanding on such record date, plus the number of shares
        of Preferred Stock which the aggregate offering price of the
        total number of shares of Preferred Stock and/or equivalent
        preferred stock so to be offered (and/or the aggregate initial
        conversion price of the convertible securities so to be offered)
        would purchase at such current market price, and the denominator
        of which shall be the number of shares of Preferred Stock
        outstanding on such record date, plus the number of additional
        shares of Preferred Stock and/or equivalent preferred stock to be
        offered for subscription or purchase (or into which the
        convertible securities so to be offered are initially
        convertible).  In case such subscription  price may be paid by
        delivery of consideration part or all of which may be in a form
        other than cash, the value of such consideration shall be as
        determined in good faith by the Board of Directors of the
        Company, whose determination shall be described in a statement
        filed with the Rights Agent and shall be conclusive for all
        purposes.  Shares of Preferred Stock owned by or held for the
        account of the Company shall not be deemed outstanding for the
        purpose of any such computation.  Such adjustment shall be made
        successively whenever such a record date is fixed, and in the
        event that such rights, options or warrants are not so issued,
        the Purchase Price shall be adjusted to be the Purchase Price
        which would then be in effect if such record date had not been
        fixed.
PAGE
<PAGE>






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

                  (d) (i) For the purpose of any computation hereunder,
        other than computations made pursuant to Section 11(a)(iii)
        hereof, the "current market price" per share of Common Stock on
        any date shall be deemed to be the average of the daily closing
        prices per share of such Common Stock for the thirty (30)
        consecutive Trading Days (as such term is hereinafter defined)
        immediately prior to such date, and for purposes of computations
        made pursuant to Section 11(a)(iii) hereof, the   "current market
        price" per share of Common Stock on any date shall be deemed to
        be the average of the daily closing prices per share of such
        Common Stock for the ten (10) consecutive Trading Days
        immediately following such date; provided, however, that in the
        event that the current market price per share of the Common Stock
        is determined during a period following the announcement by the
        issuer of such Common Stock of (A) a dividend or distribution on
        such Common Stock payable in shares of such Common Stock or
        securities convertible into shares of such Common Stock (other
        than the Rights), or (B) any subdivision, combination or
        reclassification of such Common Stock, and prior to the
        expiration of the requisite thirty (30) Trading Day or ten (10)
PAGE
<PAGE>





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

                  (ii) For the purpose of any computation hereunder, the
        "current market price" per share of Preferred Stock shall be
        determined in the same manner as set forth above for the Common
        Stock in clause (i) of this Section 11(d) (other than the last
        sentence thereof).  If the current market price per share of
        Preferred Stock cannot be determined in the manner provided above
        or if the Preferred Stock is not publicly held or listed or
        traded in a manner described in clause (i) of this Section 11(d),
        the "current market price" per share of Preferred Stock shall be
        conclusively deemed to be an amount equal to 10,000 (as such
        number may be appropriately adjusted for such events as stock
PAGE
<PAGE>





        splits, stock dividends and recapitalizations with respect to the
        Common Stock occurring after the date of this Agreement)
        multiplied by the current market price per share of the Common
        Stock.  If neither the Common Stock nor the Preferred Stock is
        publicly held or so listed or traded, "current market price" per
        share of the Preferred Stock shall mean the fair value per share
        as determined in good faith by the Board 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.  For all purposes of this Agreement, the "current
        market price" of one ten-thousandth of a share of Preferred Stock
        shall be equal to the "current market price" of one share of
        Preferred Stock divided by 10,000.

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

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

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





             (h)  Unless the Company shall have exercised its election as
        provided in Section 11(i), upon each adjustment of the Purchase
        Price as a result of the calculations made in Sections 11(b) and
        (c), each Right outstanding immediately prior to the making of
        such adjustment shall thereafter evidence the right to purchase,
        at the adjusted Purchase Price, that number of one
        ten-thousandths of a share of Preferred Stock (calculated to the
        nearest ten-millionth) obtained by (i) multiplying (x) the number
        of one ten-thousandths of a share covered by a Right immediately
        prior to this adjustment, by (y) the Purchase Price in effect
        immediately prior to such adjustment of the Purchase Price, and
        (ii) dividing the product so obtained by the Purchase Price in
        effect immediately after such adjustment of the Purchase Price.

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





        record of Rights Certificates on the record date specified in the
        public announcement.

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

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

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

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

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

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

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





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

             (q)  The exercise of Rights under Section 11(a)(ii) shall
        only result in the loss of rights under Section 11(a)(ii) to the
        extent so exercised and shall not otherwise affect the rights
        represented by the Rights under this Rights Agreement, including
        the rights represented by Section 13.

             Section 12.  Certificate of Adjusted Purchase Price or
        Number of Shares.  Whenever an adjustment is made as provided in
        Section 11 or Section 13 hereof, the Company shall (a) promptly
        prepare a certificate setting forth such adjustment and a brief
        statement of the facts accounting for such adjustment, (b)
        promptly file with the Rights Agent, and with each transfer agent
        for the Preferred Stock and the Common Stock, a copy of such
        certificate, and (c) mail a brief summary thereof to each holder
        of a Rights Certificate (or, if prior to the Distribution Date,
        to each holder of a certificate representing shares of Common
        Stock) in accordance with Section 26 hereof.  The Rights Agent
        shall be fully protected in relying on any such certificate and
        on any adjustment therein contained and shall not be deemed to
        have knowledge of any 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, at any time after a Person has
        become an Acquiring Person, directly or indirectly, (x) the
        Company shall consolidate with, or merge with and into, any other
        Person (other than a Subsidiary of the Company in a transaction
        that complies with Section 11(o) hereof), and the Company shall
        not be the continuing or surviving corporation of such
        consolidation or merger, (y) any Person (other than a Subsidiary
        of the Company in a transaction that complies with Section 11(o)
        hereof) shall consolidate with, or merge with or into, the
        Company, and the Company shall be the continuing or surviving
        corporation of such consolidation or merger and, in connection
        with such consolidation or merger, all or part of the outstanding
        shares of Common Stock shall be changed into or exchanged for
        stock or other securities of any other Person or cash or any
        other property, or (z) the Company shall sell or otherwise
        transfer (or one or more of its Subsidiaries shall sell or
PAGE
<PAGE>





        otherwise transfer), in one transaction or a series of related
        transactions, assets or earning power aggregating more than 50%
        of the assets or earning power of the Company and its
        Subsidiaries (taken as a whole) to any Person or Persons (other
        than the Company or any Subsidiary of the Company in one or more
        transactions each of which complies with Section 11(o) hereof),
        then, and in each such case and except as contemplated by
        Section 13(d) hereof, proper provision shall be made so that: (i)
        each holder of a Right, except as provided in Section 7(e)
        hereof, shall thereafter have the right to receive, upon the
        exercise thereof at the then current Purchase Price in accordance
        with the terms of this Agreement, such number of validly
        authorized and issued, fully paid, non-assessable and freely
        tradeable shares of Common Stock of the Principal Party (as such
        term is hereinafter defined), not subject to any liens,
        encumbrances, rights of first refusal or other adverse claims, as
        shall be equal to the result obtained by (l) multiplying the then
        current Purchase Price by the number of one ten-thousandths of a
        share of Preferred Stock for which a Right is exercisable
        immediately prior to the occurrence of a Section 13 Event (or, if
        a Section 11(a)(ii) Event has occurred prior to the first
        occurrence of a Section 13 Event, multiplying the number of such
        one ten-thousandths of a share for which a Right was exercisable
        immediately prior to the occurrence of a Section 11(a)(ii) Event
        by the Purchase Price in effect immediately prior to such
        occurrence), and dividing that product (which, following the
        occurrence of a Section 13 Event, shall be referred to as the
        "Purchase Price" for each Right and for all purposes of this
        Agreement) by (2) 50% of the current market price (determined
        pursuant to Section 11(d)(i) hereof) per share of the Common
        Stock of such Principal Party on the date of consummation of such
        Section 13 Event; (ii) such Principal Party shall thereafter be  
        liable for, and shall assume, by virtue of such Section 13 Event,
        all the obligations and duties of the Company pursuant to this
        Agreement; (iii) the term "Company" shall thereafter be deemed to
        refer to such Principal Party, it being specifically intended
        that the provisions of Section 11 hereof shall apply only to such
        Principal Party following the first occurrence of a Section 13
        Event; (iv) such Principal Party shall take such steps
        (including, but not limited to, the reservation of a sufficient
        number of shares of its Common Stock) in connection with the
        consummation of any such transaction as may be necessary to
        assure that the provisions hereof shall thereafter be applicable,
        as nearly as reasonably may be, in relation to its shares of
        Common Stock thereafter deliverable upon the exercise of the
        Rights; and (v) the provisions of Section 11(a)(ii) hereof shall
        be of no effect following the first occurrence of any Section 13
        Event.

             (b)  "Principal Party" shall mean
PAGE
<PAGE>





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

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

        provided, however, that in any such case, (1) if the Common Stock
        of such Person is not at such time and has not been continuously
        over the preceding twelve (12) month period registered under
        Section 12 of the Exchange Act, and such Person is a direct or
        indirect Subsidiary of another Person the Common Stock of which
        is and has been so registered, "Principal Party" shall refer to
        such other Person; (2) in case such Person is a Subsidiary,
        directly or indirectly, of more than one Person, the Common
        Stocks of two or more of which are and have been so registered,
        "Principal Party" shall refer to whichever of such Persons is the
        issuer of the Common Stock having the greatest aggregate market
        value; and (3) in case 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 (1) and (2) above shall apply to each of the
        chains of ownership having an interest in such joint venture as
        if such party were a "Subsidiary" of both or all of such joint
        ventures and the Principal Parties in each such chain shall bear
        the obligations  set forth in this Section 13 in the same ratio
        as their direct or indirect interests in such Person bear to the
        total of such interests.

             (c)  The Company shall not consummate any such
        consolidation, merger, sale or transfer unless the Principal
        Party shall have a sufficient number of authorized shares of its
        Common Stock which have not been issued or reserved for issuance
        to permit the exercise in full of the Rights in accordance with
        this Section 13 and unless prior thereto the Company and such
        Principal Party shall have executed and delivered to the Rights
        Agent a supplemental agreement providing for the terms set forth
        in paragraphs (a) and (b) of this Section 13 and further
        providing that, as soon as practicable after the date of any
        consolidation, merger or sale of assets mentioned in paragraph
        (a) of this Section 13, the Principal Party will

                  (i)  prepare and file a registration statement under
        the Act, with respect to the Rights and the securities
        purchasable upon exercise of the Rights on an appropriate form,
PAGE
<PAGE>





        and will use its best efforts to cause such registration
        statement to (A) become effective as soon as practicable after
        such filing and (B) remain effective (with a prospectus at all
        times meeting the requirements of the Act) until the Expiration
        Date;

                  (ii) use its best efforts to qualify or register the
        Rights and the securities purchasable upon exercise of the Rights
        under the blue sky laws of such jurisdictions as may be necessary
        or appropriate; and

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

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

             (d)  Notwithstanding anything in this Agreement to the
        contrary, Section 13 shall not be applicable to a transaction
        described in subparagraphs (x) and (y) of Section 13(a) if (i)
        such transaction is consummated with a Person or Persons (or a
        wholly-owned subsidiary of any such Person or Persons) who
        acquired shares of Common Stock pursuant to a Permitted Offer,
        (ii) the price per share of Common Stock paid in such transaction
         is not less than the price per share of Common Stock paid to all
        holders of shares of Common Stock whose shares were purchased
        pursuant to such Permitted Offer, and (iii) the form of
        consideration paid in such transaction is the same as the form of
        consideration paid pursuant to such Permitted Offer.  Upon
        consummation of any such transaction contemplated by this
        Section 13(d), all Rights hereunder shall expire.

             Section 14.  Fractional Rights and Fractional Shares.

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





        fractional Rights would have been otherwise issuable.  The
        closing price of the Rights for any day shall be the last sale
        price, regular way, or, in case no such sale takes place on such
        day, the average of the closing bid and asked prices, regular
        way, in either case as reported in the principal consolidated
        transaction reporting system with respect to securities listed or
        admitted to trading on the New York Stock Exchange or, if the
        Rights are not listed or admitted to trading on the New York
        Stock Exchange, as reported in the principal consolidated
        transaction reporting system with respect to securities listed on
        the principal national securities exchange on which the Rights
        are listed or admitted to trading, or if the Rights are not
        listed or admitted to trading on any national securities
        exchange, the last such quoted price or, if not so quoted, the
        average of the high bid and low asked prices in the
        over-the-counter market, as reported by Nasdaq or such other
        system then in use or, if on any such date the Rights are not
        quoted by any such organization, the average of the closing bid
        and asked prices as furnished by a professional market maker
        making a market in the Rights selected by the Board of Directors
        of the Company.  If on any such date no such market maker is
        making a market in the Rights the fair value of the Rights on
        such date as determined in good faith by the Board of Directors
        of the Company shall be used.

             (b)  The Company shall not be required to issue fractions of
        shares of Preferred Stock (other than fractions which are
        integral multiples of one ten-thousandth of a share of Preferred
        Stock) upon exercise of the Rights or to distribute certificates
        that evidence fractional shares of Preferred Stock (other than  
        fractions which are integral multiples of one ten-thousandth of a
        share of Preferred Stock).  In lieu of fractional shares of
        Preferred Stock (other than fractions which are integral
        multiples of one ten-thousandth of a share of Preferred Stock),
        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 one ten-thousandth of a share of
        Preferred Stock.  For purposes of this Section 14(b), the current
        market value of one ten-thousandth of a share of Preferred Stock
        shall be one ten-thousandth of the closing price of a share of
        Preferred Stock (as determined pursuant to Section 11(d)(ii)
        hereof) for the Trading Day immediately prior to the date of such
        exercise.

             (c)  Following the occurrence of a Triggering Event, the
        Company shall not be required to issue fractions of shares of
        Common Stock upon exercise of the Rights or to distribute
        certificates which evidence fractional shares of Common Stock.
        In lieu of fractional shares of Common Stock, the Company shall
        pay to the registered holders of Rights Certificates at the time
PAGE
<PAGE>





        such Rights are exercised as herein provided an amount in cash
        equal to the same fraction of the current market price of one (1)
        share of Common Stock (as determined pursuant to Section 11(d)(i)
        hereof) for the Trading Day immediately prior to the date of such
        exercise.

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

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

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

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

             (b)  after the Distribution Date, the Rights Certificates
        are transferable only on the registry books of the Rights Agent
        if surrendered at the office 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 duly completed and fully executed;

             (c)  subject to Section 6(a) and Section 7(f) hereof, the
        Company and the Rights Agent may deem and treat the person in
PAGE
<PAGE>





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

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

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

             Section 18.  Concerning the Rights Agent.

             (a)  The Company agrees to pay to the Rights Agent
        reasonable compensation for all services rendered by it hereunder
        and, from time to time, on demand of the Rights Agent, its
        reasonable expenses and counsel fees and disbursements and other
        disbursements incurred in the administration and execution of
        this Agreement and the exercise and performance of its duties
PAGE
<PAGE>





        here- under.  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.

             (b)  The Rights Agent shall be protected and shall incur no
        liability for or in respect of any action taken, suffered or
        omitted by it in connection with its administration of this
        Agreement in reliance upon any Rights Certificate or certificate
        for Common Stock or for other securities of the Company,
        instrument of assignment or transfer, power of attorney,
        endorsement, affidavit, letter, notice, direction, consent,
        certificate, statement, or other paper or document believed by it
        to be genuine and to be signed, executed and, where necessary,
        verified or acknowledged, by the proper Person or Persons, 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 or stock transfer 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 counter- signature of a predecessor Rights Agent
        and deliver such Rights Certificates so countersigned; and in
        case at that time any of the Rights Certificates shall not have
        been countersigned, any successor Rights Agent may countersign
        such Rights Certificates either in the name of the predecessor or
        in the name of the successor Rights Agent; and in all such cases
        such Rights Certificates shall have the full force provided in
        the Rights Certificates and in this Agreement.

             (b)  In case at any time the name of the Rights Agent shall
        be changed and at such time any of the Rights Certificates shall
PAGE
<PAGE>





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

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

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





        Certificate (except its countersignature thereof); nor shall it
        be responsible for any breach by the Company of any covenant or
        condition contained in this Agreement or in any Rights
        Certificate; nor shall it be responsible for any adjustment
        required under the provisions of Section 11, Section 13 or
        Section 24 hereof or responsible for the manner, method or amount
        of any such adjustment or the ascertaining of the existence of
        facts that would require any such adjustment (except with respect
        to the exercise of Rights evidenced by Rights Certificates after
        receipt of a certificate describing any such adjustment,
        delivered pursuant to Section 12); nor shall it by any act
        hereunder be deemed to make any representation or warranty as to
        the authorization or reservation of any shares of Common Stock or
        Preferred Stock to be issued pursuant to this Agreement or any
        Rights Certificate or as to whether any shares of Common Stock or
        Preferred Stock will, when so issued, be validly authorized and
        issued, fully paid and nonassessable.

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

             (g)  The Rights Agent is hereby authorized and directed to
        accept instructions with respect to the performance of its duties
        hereunder from the Chairman of the Board, the President, any Vice
        President, the Secretary, any Assistant Secretary, the Treasurer
         or any Assistant Treasurer of the Company, and to apply to such
        officers for advice or instructions in connection with its
        duties, and it shall not be liable for any action taken or
        suffered to be taken by it in good faith in accordance with
        instructions of any such officer.  Any application by the Rights
        Agent for written instructions from the Company may, at the
        option of the Rights Agent, set forth in writing any action
        proposed to be taken or omitted by the Rights Agent with respect
        to its duties or obligations under this Rights Agreement and the
        date on and/or after which such action shall be taken or omitted
        and the Rights Agent shall not be liable for any action taken or
        omitted in accordance with a proposal included in any such
        application on or after the date specified therein (which date
        shall not be less than five Business Days after the date any such
        officer actually receives such application, unless any such
        officer shall have consented in writing to an earlier date)
        unless, prior to taking or omitting any such action, the Rights
        Agent has 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
PAGE
<PAGE>





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

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

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

             (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 not been completed, the Company
        and the Rights Agent will deem the beneficial owner of the rights
        evidenced by such Rights Certificate to be an Acquiring Person or
        an Affiliate or Associate thereof and such assignment or election
        to purchase will not be honored.

             Section 21.  Change of Rights Agent.  The Rights Agent or
        any successor Rights Agent may resign and be discharged from its
        duties under this Agreement upon thirty (30) days' notice in
        writing mailed to the Company, and to each transfer agent of the
        Common Stock and Preferred Stock, by registered or certified
        mail, and 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 Common Stock and
        Preferred Stock, 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
PAGE
<PAGE>





        removal or after it has been notified in writing of such
        resignation or incapacity by the resigning or incapacitated
        Rights Agent or by the holder of a Rights Certificate (who shall,
        with such notice, submit his Rights Certificate for inspection by
        the Company), then any registered holder of any Rights
        Certificate may apply to any court of competent jurisdiction for
        the appointment of a new Rights Agent.  Any successor Rights
        Agent, whether appointed by the Company or by such a court, shall
        be (a) a 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 stock transfer powers and is subject to
        supervision or examination by federal or state authority and
        which has at the time of its appointment as Rights Agent a
        combined capital and surplus of at least $50,000,000 or (b) an
        affiliate of a corporation described in clause (a) of this
        sentence.  After appointment, the successor Rights Agent shall be
        vested with the same powers, rights, duties and responsibilities
        as if it had been originally named as Rights Agent without
        further act or deed; but the predecessor Rights Agent shall
        deliver and transfer to the successor Rights Agent any property
        at the time held by it hereunder, and execute and deliver any
        further assurance, conveyance, act or deed necessary for the
        purpose.  Not later than the effective date of any such
        appointment, the Company shall file notice thereof in writing
        with the predecessor Rights Agent and each transfer agent of the
        Common Stock and the Preferred Stock, and 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 Purchase Price and the number or kind or class of
        shares or other securities or property purchasable under the
        Rights Certificates made in accordance with the provisions of
        this Agreement.  In addition, in connection with the issuance or
        sale of shares of Common Stock following the Distribution Date
        and prior to the redemption or expiration of the Rights, the
        Company (a) shall, with respect to shares of Common Stock so
        issued or sold pursuant to the exercise of stock options or under
        any employee plan or arrangement, or upon the exercise,
        conversion or exchange of securities issued by the Company prior
        to the Distribution Date, and (b) may, in any other case, if
        deemed necessary or appropriate by the Board of Directors of the
PAGE
<PAGE>





        Company, issue Rights Certificates representing the appropriate
        number of Rights in connection with such issuance or sale;
        provided, however, that (i) no such Rights Certificate shall be
        issued if, and to the extent that, the Company shall be advised
        by counsel that such issuance would create a significant risk of
        material adverse tax consequences to the Company or the Person to
        whom such Rights Certificate would be issued, and (ii) no such
        Rights Certificate shall be issued if, and to the extent that,
        appropriate adjustment shall otherwise have been made in lieu of
        the issuance thereof.

             Section 23.  Redemption and Termination.

             (a)  The Board of Directors of the Company may, at its
        option, at any time prior to the earlier of (i) the close of
        business on the tenth day following the Stock Acquisition Date
        (or, if the Stock Acquisition Date shall have occurred prior to
        the Record Date, the close of business on the tenth day following
        the Record Date), or (ii) the Final Expiration Date, redeem all
        but not less than all the then outstanding Rights at a redemption
        price of $.01 per Right, as such amount may be appropriately
        adjusted to reflect any stock split, stock dividend or similar
        transaction occurring after the date hereof (such redemption
        price being hereinafter referred to as the "Redemption Price")
        and the Company may, at its option, pay the Redemption Price
        either in shares of Common Stock (based on the "current market
        price," as defined in Section 11(d)(i) hereof, of the shares of
        Common Stock  at the time of redemption) or cash; provided,
        however, that notwithstanding the foregoing if, following the
        occurrence of a Stock Acquisition Date and following the
        expiration of the right of redemption set forth above in this
        Section 23(a), either (i)(A) a Person who is an Acquiring Person
        shall have transferred or otherwise disposed of a number of
        shares of Common Stock in one transaction or series of
        transactions, not directly or indirectly involving the Company or
        any of its Subsidiaries, such that such Person is thereafter a
        Beneficial Owner of 10% or less of the outstanding shares of
        Common Stock, and (B) there are no other Persons, immediately
        following the occurrence of the event described in clause (A),
        who are Acquiring Persons, and (C) there are at least two
        Continuing Directors then in office and a majority of the
        Continuing Directors approve the reinstatement of the right of
        redemption pursuant to this Section 23, or (ii)(A) the Board
        approves the consolidation, merger or other combination of the
        Company with or into, or the sale or other transfer (either by
        the Company or one or more of its Subsidiaries), in one
        transaction or a series of related transactions, of more than 50%
        of the assets or earning power of the Company and its
        Subsidiaries (taken as a whole), to a Person other than the
        Acquiring Person (or any Associate or Affiliate of such Acquiring
        Person) who caused the occurrence of such Stock Acquisition Date,
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<PAGE>





        and (B) the Board of Directors of the Company, as part of the
        approval of such an event described in the preceding
        clause (ii)(A), approves the reinstatement of the right of
        redemption pursuant to this Section 23, and (C) there are at
        least two Continuing Directors then in office and a majority of
        the Continuing Directors so approve such reinstatement, then, in
        either such case, the right of redemption shall be reinstated and
        thereafter be subject to the provisions of this Section 23.
        Notwithstanding anything contained in this Agreement to the
        contrary, the Rights shall not be exercisable after the first
        occurrence of a Section 11(a)(ii) Event until such time as the
        Company's right of redemption hereunder has expired (such right
        of redemption hereunder being deemed to have expired
        notwithstanding the existence of the possibility of the
        reinstatement thereof as provided above in this Section 23(a)).
        Subject to the foregoing, the redemption of the Rights by the
        Board may be made effective at such time, on such basis and with
        such conditions as the Board of Directors in its sole discretion
        may establish.

             (b)  Immediately upon the action of the Board of Directors
        of the Company ordering the redemption of the Rights, evidence of
        which shall have been filed with the Rights Agent and without any
        further action and without any notice, the right to exercise the
        Rights will terminate and the only right thereafter of the
        holders of Rights shall be to receive the Redemption Price for
        each Right so held.  Promptly after the action of the Board of
        Directors ordering the redemption of the Rights, the Company
        shall give  notice of such redemption to the Rights Agent and the
        holders of the then outstanding Rights by mailing such notice to
        all such holders at each holder's last address as it appears upon
        the registry books of the Rights Agent or, prior to the
        Distribution Date, on the registry books of the Transfer Agent
        for the Common Stock.  Any notice which is mailed in the manner
        herein provided shall be deemed given, whether or not the holder
        receives the notice.  Each such notice of redemption will state
        the method by which the payment of the Redemption Price will be
        made. 

             (c)  The Company may, at its option, discharge all of its
        obligations with respect to the Rights by (i) issuing a press
        release announcing the manner of redemption of the Rights in
        accordance with this Agreement and (ii) mailing payment of the
        Redemption Price to the registered holders of the Rights at their
        last addresses as they appear on the registry books of the Rights
        Agent or, prior to the Distribution Date, on the registry books
        of the Transfer Agent of the Common Shares, and upon such action,
        all outstanding Rights and Right Certificates shall be null and
        void without any further action by the Company.
PAGE
<PAGE>





             Section 24.  Exchange.

             (a)  The Board of Directors of the Company may, at its
        option, at any time after a Section 11(a)(ii) Event, exchange all
        or part of the then outstanding and exercisable Rights (which (i)
        shall not include Rights that have become void pursuant to the
        provisions of Section 7(e) hereof, and (ii) shall include,
        without limitation, any Rights issued after the Distribution Date
        in connection with the exercise of options pursuant to the
        Company's employee benefit plans, where such option is exercised
        for securities of the Company or surrendered for cash) for shares
        of Common Stock at an exchange ratio of one share of Common Stock
        per Right, appropriately adjusted to reflect any stock split,
        stock dividend or similar transaction occurring after the date
        hereof (such exchange ratio being hereinafter referred to as the
        "Exchange Ratio").  Notwithstanding the foregoing, the Board of
        Directors may effect such an exchange only if there are at least
        two Continuing Directors then in office and a majority of such
        Continuing Directors concur with such exchange.

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

             (c)  In any exchange pursuant to this Section 24, the
        Company, at its option, may substitute Preferred Stock (or
        equivalent preferred stock, as such term is defined in
        Section 11(b) hereof) for shares of Common Stock exchangeable for
        Rights, at the initial rate of one ten-thousandth of a share of
        Preferred Stock (or equivalent preferred stock) for each share of
PAGE
<PAGE>





        Common Stock, as appropriately adjusted to reflect adjustments in
        the voting rights of the Preferred Stock pursuant to Section 3(A)
        of the Certificate of Designations attached hereto as Exhibit A,
        so that the fraction of a share of Preferred Stock (or equivalent
        preferred stock) delivered in lieu of each share of Common Stock
        shall have the same voting rights as one share of Common Stock.

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

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

             Section 25.  Notice of Certain Events.

             (a)  In case the Company shall propose, at any time after
        the Distribution Date, (i) to pay any dividend payable in stock
        of any class to the holders of Preferred Stock or to make any
        other distribution to the holders of Preferred Stock (other than
        a regular quarterly cash dividend out of earnings or retained
        earnings of the Company), or (ii) to offer to the holders of
        Preferred Stock rights or warrants to subscribe for or to
        purchase any additional shares of Preferred Stock or shares of
        stock of any class or any other securities, rights or options, or
        (iii) to effect any reclassification of its Preferred Stock
        (other than a reclassification involving only the subdivision of
        outstanding shares of Preferred Stock), or (iv) to effect any
        consolidation or merger into or with any other Person (other than
        a Subsidiary of the Company in a transaction which complies with
        Section 11(o) hereof), or to effect any sale or other transfer
        (or to permit one or more of its Subsidiaries to effect any sale
        or other transfer), in one transaction or a series of related
        transactions, of more than 50% of the assets or earning power of
        the Company and its Subsidiaries (taken as a whole) to any other
        Person or Persons (other than the Company and/or any of its
PAGE
<PAGE>





        Subsidiaries in one or more transactions each of which complies
        with Section 11(o) hereof), or (v) to effect the liquidation,
        dissolution or winding up of the Company, then, in each such
        case, the Company shall give to each holder of a Rights
        Certificate, to the extent feasible and in accordance with
        Section 26 hereof, a notice of such proposed action, which shall
        specify the record date for the purposes of such stock dividend,
        distribution of rights or warrants, or the date on which such
        reclassification, consolidation, merger, sale, transfer,
        liquidation, dissolution, or winding up is to take place and the
        date of participation therein by the holders of the shares of
        Preferred Stock, if any such date is to be fixed, and such notice
        shall be so given in the case of any action covered by clause (i)
        or (ii) above at least twenty (20) days prior to the record date
        for determining holders of the shares of Preferred Stock for
        purposes of such action, and in the case of any such other
        action, at least twenty (20) days prior to the date of the taking
        of such proposed action or the date of participation therein by
        the holders of the shares of Preferred Stock whichever shall be
        the earlier.

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

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

                  Thermo Electron Corporation
                  81 Wyman Street
                  Waltham, Massachusetts 02254
                  Attention:  Corporate Secretary

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





                  The First National Bank of Boston
                  c/o Boston EquiServe Limited Partnership
                  P.O. Box 1865
                  Boston, Massachusetts  02105
                  Attention:  Client Administration

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

             Section 27.  Supplements and Amendments.  Prior to the Stock
        Acquisition Date and subject to the penultimate sentence of this
        Section 27, the Company and the Rights Agent shall, if the
        Company so directs, supplement or amend any provision of this
        Agreement without the approval of any holders of certificates
        representing shares of Common Stock.  From and after the Stock
        Acquisition Date and subject to the penultimate sentence of this
        Section 27, the Company and the Rights Agent shall, if the
        Company so directs, supplement or amend this Agreement without
        the approval of any holders of Rights Certificates in order (i)
        to cure any ambiguity, (ii) to correct or supplement any
        provision contained herein which may be defective or inconsistent
        with any other provisions herein, or (iii) to change or
        supplement the provisions hereunder in any manner which the
        Company may deem necessary or desirable and which  shall not
        adversely affect the interests of the holders of Rights
        Certificates (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 which
        states that the proposed supplement or amendment is in compliance
        with the terms of this Section 27, the Rights Agent shall execute
        such supplement or amendment.  Notwithstanding anything contained
        in this Agreement to the contrary, no supplement or amendment
        shall be made (i) which changes the Redemption Price or (ii) at
        any time prior to such time as any Person first becomes an
        Acquiring Person lowers the thresholds set forth in Sections 1(a)
        and/or 3(a) hereof from 15% to less than, in either case, the
        greater of (x) the sum of .001% and the largest percentage of the
        outstanding shares of Common Stock then known by the Company to
        be beneficially owned by any Person or (y) 10%.   Prior to the
        Distribution Date, the interests of the holders of Rights shall
        be deemed coincident with the interests of the holders of Common
        Stock.

             Section 28.  Successors.  All the covenants and provisions
        of this Agreement by or for the benefit of the Company or the
PAGE
<PAGE>





        Rights Agent shall bind and inure to the benefit of their
        respective successors and assigns hereunder.

             Section 29.  Determinations and Actions by the Board of
        Directors, etc.  For all purposes of this Agreement, any
        calculation of the number of shares of Common Stock outstanding
        at any particular time, including for purposes of determining the
        particular percentage of such outstanding shares of Common Stock
        of which any Person is the Beneficial Owner, shall be made in
        accordance with the last sentence of Rule 13d-3(d)(1)(i) of the
        General Rules and Regulations under the Exchange Act.  The Board
        of Directors of the Company shall have the exclusive power and
        authority to administer this Agreement and to exercise all rights
        and powers specifically granted to the Board or to the Company,
        or as may be necessary or advisable in the administration of this
        Agreement, including, without limitation, the right and power to
        (i) interpret the provisions of this Agreement, and (ii) make all
        determinations deemed necessary or advisable for the
        administration of this Agreement (including a determination to
        redeem or not redeem the Rights or to amend this 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 and all
        other parties, and (y) not subject the Board to any liability to
        the holders of the Rights.

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

             Section 31.  Severability.  If any term, provision, covenant
        or restriction of this Agreement is held by a court of competent
        jurisdiction or other authority to be invalid, void or
        unenforceable, the remainder of the terms, provisions, covenants
        and restrictions of this Agreement shall remain in full force and
        effect and shall in no way be affected, impaired or invalidated.

             Section 32.  Governing Law.  This Agreement, each Right and
        each Rights Certificate issued hereunder shall be deemed to be a
        contract made under the laws of the State of Delaware and for all
        purposes shall be governed by and construed in accordance with
PAGE
<PAGE>





        the laws of such State applicable to contracts made and to be
        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 and their respective corporate
        seals to be hereunto affixed and attested, all as of the day and
        year first above written.

        Attest:                            THERMO ELECTRON CORPORATION


        By:_________________________       By:_________________________
             Name:                         Name:  George N. Hatsopoulos
             Title:                        Title:  Chairman and President


        Attest:                            THE FIRST NATIONAL BANK OF
                                           BOSTON


        By:___________________________     By:_________________________
             Name:                         Name: 
             Title:                        Title:
PAGE
<PAGE>





                                                                EXHIBIT A

                           CERTIFICATE OF DESIGNATIONS

                                       of

                           THERMO ELECTRON CORPORATION

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

                         ______________________________

             Thermo Electron Corporation, a corporation organized and
        existing under the General Corporation Law of the State of
        Delaware (hereinafter called the "Corporation"), hereby certifies
        that the following resolution was adopted by the Board of
        Directors of the Corporation as required by Section 151 of the
        General Corporation Law at a meeting duly called and held on
        January 19, 1996:

             RESOLVED, that pursuant to the authority granted to and
        vested in the Board of Directors of this Corporation (hereinafter
        called the "Board of Directors" or the "Board") in accordance
        with the provisions of the Certificate of Incorporation, the
        Board of Directors hereby creates a series of Preferred Stock,
        $100 par value (the "Preferred Stock"), of the Corporation and
        hereby states the designation and number of shares, and fixes the
        relative rights, preferences and limitations thereof as follows:

             Series B Junior Participating Preferred Stock:

             Section 1.  Designation and Amount.  The shares of such
        series shall be designated as "Series B Junior Participating
        Preferred Stock" (the "Series B Preferred Stock") and the number
        of shares constituting the Series B  Preferred Stock shall be
        40,000.  Such number of shares may be increased or decreased by
        resolution of the Board of Directors; provided, that no decrease
        shall reduce the number of shares of Series B Preferred Stock to
        a number less than the number of shares then outstanding plus the
        number of shares reserved for issuance upon the exercise of
        outstanding options, rights or warrants or upon the conversion of
        any outstanding securities issued by the Corporation convertible
        into Series B Preferred Stock.

             Section 2.  Dividends and Distributions.

                       (A)  Subject to the rights of the holders of any
        shares of any series of Preferred Stock (or any similar stock)
        ranking prior and superior to the Series B Preferred Stock with
        respect to dividends, the holders of shares of Series B Preferred
PAGE
<PAGE>





        Stock, in preference to the holders of Common Stock, par value
        $1.00 per share (the "Common Stock"), of the Corporation, and of
        any other junior stock, shall be entitled to receive, when, as
        and if declared by the Board of Directors out of funds of the
        Corporation legally available for the payment of dividends,
        quarterly dividends payable in cash on March 31, June 30,
        September 30 and December 31 in each year (each such date being
        referred to herein as a "Quarterly Dividend Payment Date"),
        commencing on the first Quarterly Dividend Payment Date after the
        first issuance of a share or fraction of a share of Series B
        Preferred Stock, in an amount per share (rounded to the nearest
        cent) equal to the greater of (a) $100 or (b) subject to the
        provision for adjustment hereinafter set forth, 10,000 times the
        aggregate per share amount of all cash dividends, and 10,000
        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 B Preferred Stock.
        In the event the Corporation shall at any time declare or pay any
        dividend on the Common Stock payable in shares of Common Stock,
        or effect a subdivision, combination or consolidation of the
        outstanding shares of Common Stock (by reclassification or
        otherwise than by payment of a dividend in shares of Common
        Stock) into a greater or lesser number of shares of Common Stock,
        then in each such case the amount to which holders of shares of
        Series B Preferred Stock were entitled immediately prior to such
        event under clause (b) of the preceding sentence shall be
        adjusted by multiplying such amount by a fraction, the numerator
        of which is the number of shares of Common Stock outstanding
        immediately after such event and the denominator of which is the
        number of shares of Common Stock that were outstanding
        immediately prior to such event.  In the event the Corporation
        shall at any time declare or pay any dividend on the Series B
        Preferred Stock payable in         shares of Series B Preferred
        Stock, or effect a subdivision, combination or consolidation of
        the outstanding shares of Series B Preferred Stock (by
        reclassification or otherwise than by payment of a dividend in
        shares of Series B Preferred Stock) into a greater or lesser
        number of shares of Series B Preferred Stock, then in each such
        case the amount to which holders of shares of Series B Preferred
        Stock were entitled immediately prior to such event under clause
        (b) of the first sentence of this Section 2(A) shall be adjusted
        by multiplying such amount by a fraction, the numerator of which
        is the number of shares of Series B Preferred Stock that were
        outstanding immediately prior to such event and the denominator
        of which is the number of shares of Series B Preferred Stock
        outstanding immediately after such event.
PAGE
<PAGE>






                       (B)  The Corporation shall declare a dividend or
        distribution on the Series B Preferred Stock as provided in
        paragraph (A) of this Section immediately after it declares a
        dividend or distribution on the Common Stock (other than a
        dividend payable in shares of Common Stock) and the Corporation
        shall pay such dividend or distribution on the Series B Preferred
        Stock before the dividend or distribution declared on the Common
        Stock is paid or set apart; provided that, in the event no
        dividend or distribution shall have been declared on the Common
        Stock during the period between any Quarterly Dividend Payment
        Date and the next subsequent Quarterly Dividend Payment Date, a
        dividend of $100 per share on the Series B Preferred Stock shall
        nevertheless be payable on such subsequent Quarterly Dividend
        Payment Date.

                       (C)  Dividends shall begin to accrue and be
        cumulative on outstanding shares of Series B Preferred Stock from
        the Quarterly Dividend Payment Date next preceding the date of
        issue of such shares, unless the date of issue of such shares is
        prior to the record date for the first Quarterly Dividend Payment
        Date, in which case dividends on such shares shall begin to
        accrue from the date of issue of such shares, or unless the date
        of issue is a Quarterly Dividend Payment Date or is a date after
        the record date for the determination of holders of shares of
        Series B Preferred Stock entitled to receive a quarterly dividend
        and before such Quarterly Dividend Payment Date, in either of
        which events such dividends shall begin to accrue and be
        cumulative from such Quarterly Dividend Payment Date.  Accrued
        but unpaid dividends shall not bear interest.  Dividends  
        paid on the shares of Series B 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 B Preferred
        Stock entitled to receive payment of a dividend or distribution
        declared thereon, which record date shall be not more than 60
        days prior to the date fixed for the payment thereof.

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

                       (A)  Subject to the provision for adjustment
        hereinafter set forth, each share of Series B Preferred Stock
        shall entitle the holder thereof to 10,000 votes on all matters
        submitted to a vote of the stockholders of the Corporation.  In
        the event the Corporation shall at any time declare or pay any
        dividend on the Common Stock payable in shares of Common Stock,
        or effect a subdivision, combination or consolidation of the
        outstanding shares of Common Stock (by reclassification or
PAGE
<PAGE>





        otherwise than by payment of a dividend in shares of Common
        Stock) into a greater or lesser number of shares of Common Stock,
        then in each such case the number of votes per share to which
        holders of shares of Series B Preferred Stock were entitled
        immediately prior to such event shall be adjusted by multiplying
        such number by a fraction, the numerator of which is the number
        of shares of Common Stock outstanding immediately after such
        event and the denominator of which is the number of shares of
        Common Stock that were outstanding immediately prior to such
        event.  In the event the Corporation shall at any time declare or
        pay any dividend on the Series B Preferred Stock payable in
        shares of Series B Preferred Stock, or effect a subdivision,
        combination or consolidation of the outstanding shares of Series
        B Preferred Stock (by reclassification or otherwise than by
        payment of a dividend in shares of Series B Preferred Stock) into
        a greater or lesser number of shares of Series B Preferred Stock,
        then in each such case the number of votes per share to which
        holders of shares of Series B Preferred Stock were entitled
        immediately prior to such event shall be adjusted by multiplying
        such amount by a fraction, the numerator of which is the number
        of shares of Series B Preferred Stock that were outstanding
        immediately prior to such event and the           denominator of
        which is the number of shares of Series B Preferred Stock
        outstanding immediately after such event. 

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

                       (C)(i)    If at any time dividends on any Series B
        Preferred Stock shall be in arrears in an amount equal to six
        quarterly dividends thereon, the holders of the Series B
        Preferred Stock, voting as a separate series from all other
        series of Preferred Stock and classes of capital stock, shall be
        entitled to elect two members of the Board of Directors in
        addition to any Directors elected by any other series, class or
        classes of securities and the authorized number of Directors will
        automatically be increased by two.  Promptly thereafter, the
        Board of Directors of this Corporation shall, as soon as may be
        practicable, call a special meeting of holders of Series B
        Preferred Stock for the purpose of electing such members of the
        Board of Directors.  Said special meeting shall in any event be
        held within 45 days of the occurrence of such arrearage.

                            (ii) During any period when the holders of
        Series B Preferred Stock, voting as a separate series, shall be
        entitled and shall have exercised their right to elect two
        Directors, then and during such time as such right continues
PAGE
<PAGE>





        (a) the then authorized number of Directors shall be increased by
        two, and the holders of Series B Preferred Stock, voting as a
        separate series, shall be entitled to elect the additional
        Directors so provided for, and (b) each such additional Director
        shall not be a member of any existing class of the Board of
        Directors, but shall serve until the next annual meeting of
        stockholders for the election of Directors, or until his
        successor shall be elected and shall qualify, or until his right
        to hold such office terminates pursuant to the provisions of this
        Section 3(C).

                  (iii)     A Director elected pursuant to the terms
        hereof may be removed with or without cause by the holders of
        Series B Preferred Stock entitled to vote in an election of such
        Director.

                       (iv) If, during any interval between annual
        meetings of stockholders for the election of Directors and while
        the holders of Series B Preferred Stock shall be entitled to
        elect two Directors, there is no such Director in office by
        reason of resignation, death or removal, then, promptly
        thereafter, the Board of Directors shall call a special meeting
        of the holders of Series B Preferred Stock for the purpose of
        filling such vacancy and such vacancy shall be filled at such
        special meeting.  Such special meeting shall in any event be held
        within 45 days of the occurrence of such vacancy.

                  (v)  At such time as the arrearage is fully cured, and
        all dividends accumulated and unpaid on any shares of Series B
        Preferred Stock outstanding are paid, and, in addition thereto,
        at least one regular dividend has been paid subsequent to curing
        such arrearage, the term of office of any Director elected
        pursuant to this Section 3(C), or his successor, shall
        automatically terminate, and the authorized number of Directors
        shall automatically decrease by two, the rights of the holders of
        the shares of the Series B Preferred Stock to vote as provided in
        this Section 3(C) shall cease, subject to renewal from time to
        time upon the same terms and conditions, and the holders of
        shares of the Series B Preferred Stock shall have only the
        limited voting rights elsewhere herein set forth.

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

             Section 4.  Certain Restrictions.
PAGE
<PAGE>





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

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

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

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

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

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





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

             Section 6.  Liquidation, Dissolution or Winding Up.

                       (A)  Upon any liquidation, dissolution or winding
        up of the Corporation, no distribution shall be made (1) to the
        holders of shares of stock ranking junior (either as to dividends
        or upon liquidation, dissolution or winding up) to the Series B
        Preferred Stock unless, prior thereto, the holders of shares of
        Series B Preferred Stock shall have received $100 per share, plus
        an amount equal to accrued and unpaid dividends and distributions
        thereon, whether or not declared, to the date of such payment,
        provided that the holders of shares of Series B Preferred Stock
        shall be entitled to receive an aggregate amount per share,
        subject to the provision for adjustment hereinafter set forth,
        equal to 10,000 times the aggregate amount to be distributed per
        share to holders of shares of Common Stock, or (2) to the holders
        of shares of stock ranking on a parity (either as to dividends or
        upon liquidation, dissolution or winding up) with the Series B
        Preferred Stock, except distributions made ratably on the Series
        B Preferred Stock and all such parity stock in proportion to the
        total amounts to which the holders of all such shares are
        entitled upon such liquidation, dissolution or winding up.

                       (B)  Neither the consolidation, merger or other
        business combination of the Corporation with or into any other
        corporation nor the sale, lease, exchange or conveyance of all or
        any part of the property, assets or business of the Corporation
        shall be deemed to be a liquidation, dissolution or winding up of
        the Corporation for purposes of this Section 6.

                       (C)  In the event the Corporation shall at any
        time declare or pay any dividend on the Common Stock payable in
        shares of Common Stock, or effect a subdivision, combination or
        consolidation of the outstanding shares of Common Stock (by
        reclassification or otherwise than by payment of a dividend in
        shares of Common Stock) into a greater or lesser number of shares
        of Common Stock, then in each such case the aggregate amount to
        which holders of shares of Series B Preferred Stock were entitled
        immediately prior to such event under the proviso in clause (1)
        of paragraph (A) of this Section 6           shall be adjusted by
PAGE
<PAGE>





        multiplying such amount by a fraction the numerator of which is
        the number of shares of Common Stock outstanding immediately
        after such event and the denominator of which is the number of
        shares of Common Stock that were outstanding immediately prior to
        such event.  In the event the Corporation shall at any time
        declare or pay any dividend on the Series B Preferred Stock
        payable in shares of Series B Preferred Stock, or effect a
        subdivision, combination or consolidation of the outstanding
        shares of Series B Preferred Stock (by reclassification or
        otherwise than by payment of a dividend in shares of Series B
        Preferred Stock) into a greater or lesser number of shares of
        Series B Preferred Stock, then in each such case the aggregate
        amount to which holders of shares of Series B Preferred Stock
        were entitled immediately prior to such event under the proviso
        in clause (1) of paragraph (A) of this Section 4 shall be
        adjusted by multiplying such amount by a fraction, the numerator
        of which is the number of shares of Series B Preferred Stock that
        were outstanding immediately prior to such event and the
        denominator of which is the number of shares of Series B
        Preferred Stock outstanding immediately after such event.

             Section 7.  Consolidation, Merger, etc.  Notwithstanding
        anything to the contrary contained herein, in case the
        Corporation shall enter into any consolidation, merger,
        combination or other transaction in which the shares of Common
        Stock are exchanged for or changed into other stock or
        securities, cash and/or any other property, then in any such case
        each share of Series B Preferred Stock shall at the same time be
        similarly exchanged or changed into an amount per share, subject
        to the provision for adjustment hereinafter set forth, equal to
        10,000 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.  In the event the Corporation shall at any time
        declare or pay any dividend on the Common Stock payable in shares
        of Common Stock, or effect a subdivision, combination or
        consolidation of the outstanding shares of Common Stock (by
        reclassification or otherwise than by payment of a dividend in
        shares of Common Stock) into a greater or lesser number of shares
        of Common Stock, then in each such case the amount set forth in
        the preceding sentence with respect to the exchange or change of
        shares of Series B Preferred Stock shall be adjusted by
        multiplying such amount by a fraction, the numerator of which is
        the number of shares of Common Stock outstanding immediately
        after such event and the denominator of which is the number of
        shares of Common Stock that were outstanding immediately prior to
        such event.  In the event the Corporation shall at any  time
        declare or pay any dividend on the Series B Preferred Stock
        payable in shares of Series B Preferred Stock, or effect a
        subdivision, combination or consolidation of the outstanding
        shares of Series B Preferred Stock (by reclassification or
PAGE
<PAGE>





        otherwise than by payment of a dividend in shares of Series B
        Preferred Stock) into a greater or lesser number of shares of
        Series B Preferred Stock, then in each such case the amount set
        forth in the first sentence of this Section 7 with respect to the
        exchange or change of shares of Series B Preferred Stock shall be
        adjusted by multiplying such amount by a fraction, the numerator
        of which is the number of shares of Series B Preferred Stock that
        were outstanding immediately prior to such event and the
        denominator of which is the number of shares of Series B
        Preferred Stock outstanding immediately after such event.

             Section 8.  No Redemption.  The shares of Series B Preferred
        Stock shall not be redeemable.

             Section 9.  Rank.  The Series B Preferred Stock shall rank,
        with respect to the payment of dividends and the distribution of
        assets, junior to all series of any other class of the Preferred
        Stock issued either before or after the issuance of the Series B
        Preferred Stock, unless the terms of any such series shall
        provide otherwise.

             Section 10.  Amendment.  The Certificate of Incorporation of
        the Corporation shall not be amended in any manner which would
        materially alter or change the powers, preferences or special
        rights of the Series B Preferred Stock so as to affect them
        adversely without the affirmative vote of the holders of at least
        two-thirds of the outstanding shares of Series B Preferred Stock,
        voting together as a single class.

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

             IN WITNESS WHEREOF, this Certificate of Designations is
        executed on behalf of the Corporation by its Chairman of the
        Board and President and attested by its Secretary this ___ day of
        January, 1996. 

                                      THERMO ELECTRON CORPORATION

                                      ________________________________
                                      George N. Hatsopoulos
                                      Chairman of the Board and President

        Attest:

        ________________________________
                             , Secretary
PAGE
<PAGE>





                                                                EXHIBIT B

                          [Form of Rights Certificate]


        Certificate No. R-                                ______ Rights


        NOT EXERCISABLE AFTER JANUARY, 29, 2006 OR EARLIER IF REDEEMED OR
        EXCHANGED BY THE COMPANY.  THE RIGHTS ARE SUBJECT TO REDEMPTION
        AT $.01 PER RIGHT AND TO EXCHANGE ON THE TERMS SET FORTH IN THE
        RIGHTS AGREEMENT.  UNDER CERTAIN CIRCUMSTANCES, RIGHTS
        BENEFICIALLY OWNED BY AN ACQUIRING PERSON (AS SUCH TERM IS
        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 AGREEMENT.]



                               Rights Certificate

                           THERMO ELECTRON CORPORATION


             This certifies that                      , or registered
        assigns, is the registered owner of the number of Rights set
        forth above, each of which entitles the owner thereof, subject to
        the terms, provisions and conditions of the Rights Agreement,
        dated as of January 19, 1996 (the "Rights Agreement"), between
        Thermo Electron Corporation, a Delaware corporation (the
        "Company"), and The First National Bank of Boston, a national
        banking association (the "Rights Agent"), to purchase from the
        Company after the Distribution Date (as such term is defined on
        the Rights Agreement) and at any time prior to 5:00 P.M. (Boston
        time) on January 29, 2006 at the office of the Rights Agent
        designated for such purpose, or its successors as Rights Agent,
        one ten-thousandth of a fully paid, non-assessable share of
        Series B Junior Participating Preferred Stock (the "Preferred
        Stock") of the Company, $.01 par value per share, at a purchase
        price of
        $250.00 in cash per one ten-thousandth of a share (the "Purchase
        Price"), upon presentation and surrender of this Rights
        Certificate with the Form of Election to Purchase and related 


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





        Certificate duly executed.  The number of Rights evidenced by
        this Rights Certificate (and the number of one ten-thousandths of
        a share of Preferred Stock which may be purchased upon exercise
        hereof) set forth above, and the Purchase Price set forth above,
        are the number and Purchase Price as of the close of business on
        January 29, 1996, based on the Preferred Stock as constituted at
        such date.  Capitalized terms used herein and not otherwise
        defined herein shall have the meanings ascribed to such terms in
        the Rights Agreement.

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

             As provided in the Rights Agreement, the Purchase Price and
        the number and kind of shares of Preferred Stock or other
        securities which may be purchased upon the exercise of the Rights
        evidenced by this Rights Certificate are subject to modification
        and adjustment upon the happening of certain events, including
        Section 11(a)(ii) 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
        offices of the Company and are available upon written request to
        the Company.

             This Rights Certificate, with or without other Rights
        Certificates, upon surrender at the office of the Rights Agent
        designated for such purpose, with the Form of Election and
        Certificate set forth on the reverse side duly executed, may be
        exchanged for another Rights Certificate or Rights Certificates
PAGE
<PAGE>





        of like tenor and date evidencing Rights entitling the holder to
         purchase a like aggregate number of one ten-thousandths of a
        share of Preferred Stock as the Rights evidenced by the Rights
        Certificate or Rights Certificates surrendered shall have
        entitled such holder to purchase.  If this Rights Certificate
        shall be exercised in part, the holder shall be entitled to
        receive upon surrender hereof another Rights Certificate or
        Rights Certificates for the number of whole Rights not exercised.

             Subject to the provisions of the Rights Agreement, the
        Rights evidenced by this Certificate may be redeemed by the
        Company at its option at a redemption price of $.01 per Right at
        any time prior to the earlier of the close of business on (i) the
        tenth day following the Stock Acquisition Date (as such time
        period may be extended pursuant to the Rights Agreement), and
        (ii) the Final Expiration Date. 

             Subject to the provisions of the Rights Agreement, the
        Company may, at its option, at any time after a Section 11(a)(ii)
        Event, subject to the approval of a majority of the Continuing
        Directors, exchange all or part of the Rights evidenced by this
        Certificate for shares of the Company's Common Stock or for
        Preferred Stock (or shares of a class or series of the Company's
        preferred stock having the same rights, privileges and
        preferences as the Preferred Stock).

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

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





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

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

        Dated as of _______________, 199_


        ATTEST:                            THERMO ELECTRON CORPORATION



        ________________________           By:_________________________
        Secretary
                                           Title:______________________


        COUNTERSIGNED:

        The First National Bank of Boston 
          as Rights Agent



        By:___________________________
           Authorized Signature
PAGE
<PAGE>





                          FORM OF ELECTION TO PURCHASE


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

        To:  The First National Bank of Boston

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

        Please insert social security 
        or other identifying number _____________________________________
        _________________________________________________________________
                         (Please print name and address)
        _________________________________________________________________

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

        Please insert social security
        or other identifying number______________________________________
        _________________________________________________________________
                          (Please print name and address)
        ________________________________________________________________

        Dated:____________, 19__


                                                _______________________
                                                Signature

        Signature Guaranteed:
PAGE
<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
        thereof (as such terms are defined pursuant to the Rights
        Agreement);

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

        Dated: ______________, 19__



                                           ___________________________
                                           Signature

        Signature Guaranteed:

                                     NOTICE
                                     ------

             The signature to the foregoing Election to Purchase and
        Certificate must correspond to the name as written upon the face
        of this Rights Certificate in every particular, without
        alteration or enlargement or any change whatsoever.
PAGE
<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: __________________, 199_


                                      ___________________________
                                      Signature


        Signature Guaranteed:

                                   Certificate

             The undersigned hereby certifies that the Rights evidenced
        by this Rights Certificate are not beneficially owned by an
        Acquiring Person or an Affiliate or Associate thereof (as such
        terms are defined in the Rights Agreement).

        Dated:  ___________, 199_


                                      ____________________________
                                      Signature

        Signature Guaranteed:
PAGE
<PAGE>





                                                                EXHIBIT C

                          SUMMARY OF RIGHTS TO PURCHASE
                                 PREFERRED STOCK


             On January 19, 1996, the Board of Directors of Thermo
        Electron Corporation (the "Company") declared a dividend
        distribution of one Right for each outstanding share of the
        Company's Common Stock to stockholders of record at the close of
        business on January 29, 1996.  Each Right entitles the registered
        holder to purchase from the Company a unit consisting of one
        ten-thousandth of a share (a "Unit") of Series B Junior
        Participating Preferred Stock, $100 par value (the "Preferred
        Stock") at a Purchase Price of $250.00 in cash per Unit, subject
        to adjustment.  The description and terms of the Rights are set
        forth in a Rights Agreement (the "Rights Agreement") between the
        Company and The First National Bank of Boston, as Rights Agent.

             Initially, the Rights will be attached to all Common Stock
        certificates representing shares then outstanding, and no
        separate Rights Certificates will be distributed.  The Rights
        will separate from the Common Stock and a Distribution Date will
        occur upon the earlier of (i) 10 days following a public
        announcement that a person or group of affiliated or associated
        persons (an "Acquiring Person") has acquired, or obtained the
        right to acquire, beneficial ownership of 15% or more of the
        outstanding shares of Common Stock (the "Stock Acquisition
        Date"), or (ii) 10 business days following the commencement of a
        tender offer or exchange offer that would result in a person or
        group beneficially owning 15% or more of such outstanding shares
        of Common Stock.  Until the Distribution Date, (i) the Rights
        will be evidenced by the Common Stock certificates and will be
        transferred with and only with such Common Stock certificates,
        (ii) new Common Stock certificates issued after January 29, 1996
        will contain a notation incorporating the Rights Agreement by
        reference and (iii) the surrender for transfer of any
        certificates for Common Stock outstanding will also constitute
        the transfer of the Rights associated with the Common Stock
        represented by such certificate.

             The Rights are not exercisable until the Distribution Date
        and will expire at the close of business on January 29, 2006,
        unless earlier redeemed or exchanged by the Company as described
        below.

             As soon as practicable after the Distribution Date, Rights
        Certificates will be mailed to holders of record of the Common
        Stock as of the close of business on the Distribution Date and,
        thereafter, the separate Rights Certificates alone will represent
        the Rights.  Except as otherwise determined by the Board of
PAGE
<PAGE>





        Directors, and except for shares of Common Stock issued upon
        exercise, conversion or exchange of then outstanding options,
        convertible or exchangeable securities or other contingent
        obligations to issue shares, only shares of Common Stock issued
        prior to the Distribution Date will be issued with Rights.

             In the event that a Person becomes the beneficial owner of
        15% or more of the then outstanding shares of Common Stock,
        except pursuant to an offer for all outstanding shares of Common
        Stock which the independent directors determine to be fair to,
        and otherwise in the best interests of, stockholders, each holder
        of a Right will thereafter have the right to receive, upon
        exercise, that number of shares of Common Stock (or, in certain
        circumstances, cash, property or other securities of the Company)
        which equals the exercise price of the Right divided by one-half
        of the current market price (as defined in the Rights Agreement)
        of the Common Stock at the date of the occurrence of the event.
        However, Rights are not exercisable following the event set forth
        above until such time as the Rights are no longer redeemable by
        the Company as set forth below.  Notwithstanding any of the
        foregoing, following the occurrence of such event, all Rights
        that are, or (under certain circumstances specified in the Rights
        Agreement) were, beneficially owned by any Acquiring Person will
        be null and void.  The event set forth in this paragraph is
        referred to as a "Section 11(a)(ii) Event."

             For example, at an exercise price of $250.00 per Right, each
        Right not owned by an Acquiring Person (or by certain related
        parties) following an event set forth in the preceding paragraph
        would entitle its holder to purchase for $250.00 such number of
        shares of Common Stock (or other consideration, as noted above)
        as equals $250.00 divided by one-half of the current market price
        (as defined in the Rights Agreement) of the Common Stock.
        Assuming that the Common Stock had a per share value of $50.00 at
        such time, the holder of each valid Right would be entitled to
        purchase ten shares of Common Stock for $250.00.

             In the event that, at any time after any person has become
        an Acquiring Person, (i) the Company is acquired in a merger or
        other business combination transaction in which the Company is
        not the surviving corporation or its Common Stock is changed or
        exchanged (other than a merger which follows an offer determined
        by the independent directors to be fair as described in the first
        sentence of the second preceding paragraph), or (ii) 50% or more
        of the Company's assets or earning power is sold or transferred,
        each holder of a Right (except Rights which previously have been
        voided as set forth above) shall thereafter have the right to
        receive, upon exercise, that number of shares of common stock of
        the acquiring company which equals the exercise price of the
        Right divided by one-half of the current market price of such
        common stock at the date of the occurrence of the event.
PAGE
<PAGE>






             For example, at an exercise price of $250.00 per Right, each
        Right following an event set forth in the preceding paragraph
        would entitle its holder to purchase for $250.00 such number of
        shares of common stock of the acquiring company as equals $250.00
        divided by one-half of the current market price (as defined in
        the Rights Agreement) of such common stock.  Assuming that such
        common stock had a per share value of $100.00 at such time, the
        holder of each valid Right would be entitled to purchase five
        shares of common stock of the acquiring company for $250.00.

             At any time after the occurrence of a Section 11(a)(ii)
        Event, and subject to the concurrence of a majority of the
        Continuing Directors (as defined in the Rights Agreement), the
        Board of Directors of the Company may exchange the Rights (other
        than Rights owned by such Acquiring Person which have become
        void), in whole or in part, at an exchange ratio of one share of
        Common Stock, or one ten-thousandth of a share of Preferred Stock
        (or of a share of a class or series of the Company's preferred
        stock having equivalent rights, preferences and privileges), per
        Right (subject to adjustment).

             The Purchase Price payable, and the number of Units of
        Preferred Stock or other securities or property issuable, upon
        exercise of the Rights are subject to adjustment from time to
        time to prevent dilution (i) in the event of a stock dividend on,
        or a subdivision, combination or reclassification of, the
        Preferred Stock, (ii) if holders of the Preferred Stock are
        granted certain rights or warrants to subscribe for Preferred
        Stock or convertible securities at less than the current market
        price of the Preferred Stock, or (iii) upon the distribution to
        holders of the Preferred Stock of evidences of indebtedness or
        assets (excluding regular quarterly cash dividends) or of
        subscription rights or warrants (other than those referred to
        above).

             The number of Rights associated with each share of Common
        Stock is also subject to adjustment in the event of a stock split
        of the Common Stock or a stock dividend on the Common
        Stock payable in Common Stock or subdivisions, consolidations or
        combinations of Common Stock occurring, in any such case, prior
        to the Distribution Date.

             Preferred Stock purchasable upon exercise of the Rights will
        not be redeemable.  Each share of Preferred Stock will be
        entitled to a minimum preferential quarterly dividend payment of
        $100 per share and will be entitled to an aggregate dividend of
        10,000 times the dividend declared per share of Common Stock.  In
        the event of liquidation, the holders of the Preferred Stock will
        be entitled to a minimum preferential liquidating payment of $100
        per share and will be entitled to an aggregate payment of 10,000
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        times the payment made per share of Common Stock.  Each share of
         Preferred Stock will have 10,000 votes, voting together with the
        Common Stock.  Finally, in the event of any merger, consolidation
        or other transaction in which Common Stock is changed or
        exchanged, each share of Preferred Stock will be entitled to
        receive 10,000 times the amount received per share of Common
        Stock.  These rights are protected by customary antidilution
        provisions.

             Because of the nature of the Preferred Stock's dividend,
        liquidation and voting rights, the value of one ten-thousandth of
        a share of Preferred Stock purchasable upon exercise of each
        Right should approximate the value of one share of Common Stock.

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

             At any time until ten days following the Stock Acquisition
        Date, the Company may redeem the Rights in whole, but not in
        part, at a price of $.01 per Right (payable in cash or stock).
        Immediately upon the action of the Board of Directors ordering
        redemption of the Rights, the Rights will terminate and the only
        right of the holders of Rights will be to receive the $.01
        redemption price.  The Rights may also be redeemable following
        certain other circumstances specified in the Rights Agreement.

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

             Prior to the Distribution Date, the terms of the Rights are
        subject to amendment by the Board of Directors without the
        consent of the holders of the Rights, except that the redemption
        price of the Rights is not subject to amendment.  After the
        Distribution Date, only limited terms of the Rights are subject
        to amendment by the Board.

             In conjunction with the declaration of this dividend, the
        Board of Directors of the Company redeemed the rights issued
        pursuant to the Company's May 4, 1988 Rights Agreement effective
        as of January 29, 1996.  The redemption price for these
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        previously  issued rights was $.02 per right and, prior to the
        redemption, certificates representing each share of the Company's
        Common Stock also represented 4/9ths of a previously issued
        right. 

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



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