BETZDEARBORN INC
8-K, 1998-03-09
MISCELLANEOUS CHEMICAL PRODUCTS
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                    Form 8-K


                Current Report Pursuant to Section 13 or 15(d) of
                       The Securities Exchange Act of 1934


       Date of Report (Date of earliest event reported): February 12, 1998
                                                         -----------------


                                BETZDEARBORN INC.
                 -----------------------------------------------
                 (Exact name of registrant specified in Charter)


 Pennsylvania                       1-11558                      23-1503731
- ---------------                   ------------              -------------------
(State or other                   (Commission                  (IRS Employee
jurisdiction of                   File Number)              Identification No.)
incorporation)


             4636 Somerton Road
            Trevose, Pennsylvania                               19053-6783
   ----------------------------------------                     ----------
   (Address of principal executive offices)                      Zip Code


           Registrant's telephone, including area code: (215) 355-3300
                                                        --------------


- -------------------------------------------------------------------------------
         (Former name and former address, if changed since last report)


<PAGE>


Item 5. Other Events.

     On February 12, 1998 the Board of Directors of BetzDearborn Inc. (the
"Company") declared a dividend distribution of one Right for each outstanding
share of Common Stock, $.10 par value, of the Company (the "Common Shares"), to
shareholders of record at the close of business on September 19, 1998 (the
expiration date of the Company's presently outstanding rights), subject to the
right to cancel such dividend and the distribution of the Rights at any time
before such date in the event that the rights outstanding under the Company's
existing Rights Agreement dated September 8, 1988 are redeemed or are
distributed before such date. Each Right will entitle the registered holder to
purchase from the Company one Common Share, or, under certain circumstances, a
combination of securities and assets of equivalent value, at a Purchase Price of
$250 per Common Share, subject to adjustment. The Purchase Price may be paid in
cash or, if the Company permits, by the delivery of Common Shares having a value
at the time of exercise equal to the Purchase Price. The description and terms
of the Rights are set forth in a Rights Agreement (the "Rights Agreement")
between the Company and American Stock Transfer & Trust Company, as Rights
Agent, which is filed as an Exhibit hereto.

     Initially, ownership of the Rights will be evidenced by the Common Share
certificates representing shares then outstanding, and no separate Rights
Certificates will be distributed. The Rights will separate from the Common
Shares 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 20% or more of the outstanding Common Shares
(the "Stock Acquisition Date") or (ii) the close of business on the tenth
business day (or such later date as may be fixed by the Board of Directors of
the Company before a Person becomes an Acquiring Person after the commencement
of a tender offer or exchange offer that would result in a person or group
beneficially owning 20% or more of the outstanding Common Shares. Until the
Distribution Date, (i) the Rights will be evidenced by the Common Share
certificates and will be transferred with and only with such Common Share
certificates, (ii) new Common Share certificates issued after September 19, 1998
will contain a notation incorporating the Rights Agreement by reference and
(iii) the surrender for transfer of any certificates for Common Shares
outstanding will also constitute the transfer of the Rights associated with the
common Shares represented by such certificate.

     The Rights will not be exercisable until the Distribution Date and will
expire at the close of business on September 19, 2008, unless earlier redeemed
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 Shares 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


                                      -2-

<PAGE>


connection with the exercise of employee stock options or stock appreciation
rights or under any other benefit plan for employees or directors or in
connection with the exercise of warrants or the conversion of convertible
securities, only Common Shares issued after September 19, 1998 and prior to the
Distribution Date will be issued with Rights.

     In the event that at any time following the Distribution Date a Person
becomes an Acquiring Person, each holder of a Right will thereafter have the
right to receive, upon exercise, Common Shares (or, in certain circumstances,
cash, property or other securities of the Company) having a value equal to two
times the exercise price of the Right. In lieu of requiring payment of the
Purchase Price upon exercise of the Rights following any such event, the Company
may permit the holders simply to surrender the Rights in which event they will
be entitled to receive Common Shares (and other property, as the case may be)
with a value of 50% of what could be purchased by payment of the full Purchase
Price. Notwithstanding any of the foregoing, all Rights that are, or (under
certain circumstances specified in the Rights Agreement) were, beneficially
owned by the Acquiring Person will be null and void. However, Rights are not
exercisable until such time as the Rights are no longer redeemable by the
Company as set forth below.

     For example, at an exercise price of $250 per Right, each Right not
otherwise voided following an event set forth in the preceding paragraph would
entitle its holder to purchase $500 worth of Common Shares (or other
consideration, as noted above) for $250. Assuming that the Common Shares had a
per share value of $100 at such time, the holder of each valid Right would be
entitled to purchase five Common Shares with a value of $500 for $250.
Alternatively, the Company could permit the holder to surrender each Right in
exchange for one-half of the number of Common Shares (or other consideration, as
noted above) otherwise deliverable upon exercise without the payment of any
consideration other than the surrender of the Right.

     In the event that, at any time following the Stock Acquisition Date, (i)
the Company is acquired in a merger or other business combination transaction in
which the Company is not the surviving corporation (other than a merger that is
described in, or that follows a tender offer or exchange offer described in, 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 that
previously have been voided as set forth above) shall thereafter have the right
to receive, upon exercise, common shares of the acquiring company having a value
equal to two times the exercise price of the Right. Again, provision is made to
permit surrender of the Rights in exchange for one-half of the value otherwise
purchasable. The events set forth in this paragraph and in the second preceding
paragraph are referred to as the "Triggering Events."

     The Purchase Price payable, and the number of Common Shares 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 Common
Shares, (ii) if holders of the Common Shares are granted certain rights or
warrants to subscribe for Common Shares or


                                      -3-

<PAGE>


convertible securities at less than the current market price of the Common
Shares, or (iii) upon the distribution to holders of the Common Shares of
evidences of indebtedness or assets (excluding regular quarterly dividends) or
of certain subscription rights or warrants (other than those referred to above
and rights or warrants to acquire securities of any person, including any
subsidiary of the Company).

     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 Common Shares will be issued and, in lieu thereof, an
adjustment in cash will be made based on the market price of the Common Shares
on the last trading date prior to the date of exercise.

     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 redemption price
of $.01 per Right, subject to adjustment. The ten day period may be extended by
the Board of Directors so long as the Rights are still redeemable. Under certain
circumstances set forth in the Rights Agreement, the decision to redeem will
require the concurrence of a majority of the Continuing Directors. Immediately
upon the action of the Board of Directors ordering redemption of the Rights,
with, where required, the concurrence of the Continuing Directors, the Rights
will terminate and the only right of the holders of Rights will be to receive
the redemption price.

     The term "Continuing Directors" means any member of the Board of Directors
of the Company who was a member of the Board prior to the date of the Rights
Agreement, and any person who is subsequently elected to the Board if such
person is recommended or approved by a majority of the Continuing Directors, but
shall not include an Acquiring Person, or an affiliate or associate of an
Acquiring Person, or any representative of the foregoing entities.

     Until a Right is exercised, the holder thereof, as such, will have no
rights as a shareholder 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 shareholders or to the Company, shareholders may, depending upon
the circumstances, recognize taxable income in the event that the Rights become
exercisable for Common Shares (or other consideration) of the Company or for
common shares of the acquiring company as set forth above.

     Any of the provisions of the Rights Agreement may be amended by the Board
of Directors of the Company prior to the Distribution Date. After the
Distribution Date, the provisions of the Rights Agreement may be amended by the
Board (in certain circumstances, with the concurrence of the Continuing
Directors) in order to cure any ambiguity, to make changes that do not adversely
affect the interests of holders of Rights (excluding the interests of any
Acquiring Person), or to shorten or lengthen certain time periods under the
Rights Agreement; provided, however, that no amendment to adjust the


                                      -4-

<PAGE>


time period governing redemption shall be made at such time as the Rights are
not redeemable.

     This summary description of the Rights does not purport to be complete and
is qualified in its entirety by reference to the Rights Agreement, which is
filed as an Exhibit hereto.

Item 7. Financial Statements, Pro Forma Financial Information and Exhibits.

        (c) Exhibits.

        Exhibit No.                            Exhibit
        -----------                            -------

            4              Rights Agreement, dated as of February 12, 1998,
                           between BetzDearborn Inc. and American Stock
                           Transfer & Trust Company, as Rights Agent.


                                      -5-

<PAGE>


                                    Signature

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

                                            BETZDEARBORN INC.



                                            By:
                                                -------------------------------
                                                Name:
                                                Title:

Dated: February 12, 1998


                                      -6-

<PAGE>


                                Index of Exhibits


        Exhibit No.                            Exhibit
        -----------                            -------

            4              Rights Agreement, dated as of February 12, 1998,
                           between BetzDearborn Inc. and American Stock
                           Transfer & Trust Company, as Rights Agent.





================================================================================

                                BETZDEARBORN INC.

                                       and

                     AMERICAN STOCK TRANSFER & TRUST COMPANY

                                  Rights Agent




                                Rights Agreement

                          Dated as of February 12, 1998



================================================================================

<PAGE>


                                TABLE OF CONTENTS

<TABLE>
<CAPTION>

Section                                                                               Page
- -------                                                                               ----
<S>  <C>                                                                               <C> 

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

2.   Appointment of Rights Agent.........................................................5

3.   Issue of Rights Certificates........................................................5

4.   Form of Rights Certificates.........................................................7

5.   Countersignature and Registration...................................................8

6.   Transfer, Split Up, Combination and Exchange of Rights Certificates;
              Mutilated, Destroyed, Lost or Stolen Rights Certificates...................8

7.   Exercise of Rights; Purchase Price; Expiration Date of Rights.......................9

8.   Cancellation and Destruction of Rights Certificates................................11

9.   Reservation and Availability of Capital Stock; Registration of Securities..........12

10.  Capital Stock Record Date..........................................................13

11.  Adjustment of Purchase Price, Number and Kind of Shares
              or Number of Rights.......................................................13

12.  Certificate of Adjusted Purchase Price or Number of Shares.........................21

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

14.  Fractional Rights and Fractional Shares............................................24

15.  Rights of Action...................................................................25

16.  Agreement of Rights Holders........................................................25
</TABLE>


<PAGE>


<TABLE>

<S>  <C>                                                                               <C> 
17.  Rights Certificate Holder Not Deemed a Shareholder.................................26

18.  Concerning the Rights Agent........................................................26

19.  Merger or Consolidation or Change of  Name of Rights Agent.........................27

20.  Duties of Rights Agent.............................................................27

21.  Change of Rights Agent.............................................................29

22.  Issuance of New Rights Certificates................................................30

23.  Redemption and Termination.........................................................31

24.  Notice of Certain Events...........................................................32

25.  Notices............................................................................33

26.  Supplements and Amendments.........................................................33

27.  Successors.........................................................................34

28.  Determinations and Actions by the Board of Directors, etc..........................34

29.  Benefits of this Agreement.........................................................35

30.  Severability.......................................................................35

31.  Governing Law......................................................................35

32.  Counterparts.......................................................................35

33.  Descriptive Headings...............................................................36
</TABLE>


Exhibit A --  Form of Rights Certificate

Exhibit B --  Form of Summary of Rights


<PAGE>


                                RIGHTS AGREEMENT

         RIGHTS AGREEMENT, dated as of February 12, 1998 (the "Agreement"),
between BetzDearborn Inc., a Pennsylvania corporation (the "Company"), and
American Stock Transfer & Trust Company, a New York corporation (the "Rights
Agent").

                               W I T N E S S E T H

         WHEREAS, on February 12, 1998 (the "Rights Dividend Declaration Date"),
the Board of Directors of the Company authorized and declared a dividend
distribution of one Right for each Common Share of the Company (as hereinafter
defined) outstanding at the close of business on September 19, 1998 (the "Record
Date") (subject to the right to cancel such dividend in certain events) and has
authorized the issuance of one Right for each Common Share of the Company issued
between the Record Date (whether originally issued or delivered from the
Company's treasury) and the earlier of the Distribution Date or the Expiration
Date (as such terms are hereinafter defined), each Right initially representing
the right to purchase one of the Company's Common Shares upon the terms and
subject to the conditions hereinafter set forth (the "Rights"); and

         WHEREAS, the Board of Directors of the Company has considered whether
approval of this Agreement and the distribution of the Rights is in the best
interests of the Company and has also considered the effects upon employees,
suppliers and customers of the Company and upon communities in which offices or
other establishments of the Company are located and all other pertinent factors;
and

         WHEREAS, the Board of Directors of the Company has concluded that
approval of this Agreement and the distribution of the Rights is in the best
interests of the Company.

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

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

         "Acquiring Person" shall mean any Person who or which, together with
all Affiliates and Associates of such Person, shall be the Beneficial Owner of
20% or more of the Common Shares then outstanding, but shall not include the
Company, any Subsidiary of the Company, any employee benefit plan (including any
stock incentive 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. Notwithstanding the foregoing, no Person
shall become an "Acquiring Person" as the result of an acquisition of Common
Shares by the Company, which by reducing the number of shares outstanding,
increases the proportional number of shares beneficially owned by such Person to
20% or more of the Common Shares of


<PAGE>


the Company then outstanding; provided, however, that if a Person shall become
the Beneficial Owner of 20% or more of the Common Shares of the Company then
outstanding by reason of share purchases by the Company and shall, after such
share purchase by the Company, become the Beneficial Owner of any additional
Common Shares of the Company, then such Person shall be deemed to be an
"Acquiring Person." Notwithstanding the foregoing, if the Board of Directors of
the Company determines in good faith that a Person who would otherwise be an
"Acquiring Person," as defined pursuant to the foregoing provisions of this
paragraph, has become such inadvertently, and such Person divests as promptly as
practicable a sufficient number of Common Shares so that such Person would no
longer be an "Acquiring 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.

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

         "Adjustment Shares" shall have the meaning set forth in
Section 11(a)(ii) of this Agreement.

         "Affiliate" and "Associate" shall have the respective meanings ascribed
to such terms in Rule 12b-2 of the General Rules and Regulations under the
Exchange Act.

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

            (i) that 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 (whether
         or not in writing) or upon the exercise of conversion rights, exchange
         rights, 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;

            (ii) that 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

                                      -2-
<PAGE>


         ownership" of (as determined pursuant to Rule 13d-3 of the General
         Rules and Regulations under the Exchange Act), including without
         limitation pursuant to any agreement, arrangement or understanding,
         whether or not in writing; provided, however, that a Person shall not
         be deemed the "Beneficial Owner" of, or to "beneficially own," any
         security under this subparagraph (ii) as a result of an oral or written
         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) that are beneficially owned, directly or indirectly, by any
         other Person (or any Affiliate or Associate thereof) with which such
         Person (or any of such Person's Affiliates or Associates) has any
         agreement, arrangement or understanding (whether or not in writing),
         for the purpose of acquiring, holding, voting (except pursuant to a
         revocable proxy as described in the proviso to subparagraph (ii) of
         this paragraph (c)) or disposing of any voting securities of the
         Company.

provided, however, that nothing in this paragraph shall cause a Person engaged
in business as an underwriter of securities to be the "Beneficial Owner" of, or
to "beneficially own," any securities acquired through such Person's
participation in good faith in a firm commitment underwriting until the
expiration of forty days after the date of such acquisition.

         "Business Day" shall mean any day other than a Saturday, Sunday or a
day on which banking institutions in the Commonwealth of Pennsylvania are
authorized or obligated by law or executive order to close.

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

         "Common Share" shall mean the shares of Common Stock, par value $.10
per share, of the Company and, to the extent that there are not a sufficient
number of Common Shares authorized to permit the full exercise of the Rights,
shares of any other class or series of the Company designated for such purpose
containing terms substantially similar to the terms of the Common Shares, except
that "Common Share" when used with reference to any Person other than the
Company shall mean the shares of 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.

                                      -3-
<PAGE>

         "Continuing Director" shall mean (i) any member of the Board of
Directors of the Company, 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.

         "Distribution Date" shall have the meaning set forth in Section 3(a) of
this Agreement.

         "Exchange Act" shall mean the Securities Exchange Act of 1934,
as amended and in effect on the date hereof.

         "Expiration Date" shall have the meaning set forth in Section 7(a) of
this Agreement.

         "Final Expiration Date" shall have the meaning set forth in Section
7(a) of this Agreement.

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

         "Purchase Price" shall have the meaning set forth in Section
4(a) of this Agreement.

         "Record Date" shall mean September 19, 1998.

         "Redemption Price" shall have the meaning set forth in Section 23(a) of
this Agreement.

         "Rights Certificate" shall have the meaning set forth in
Section 3(a) of this Agreement.

         "Section 11(a)(ii) Event" shall mean any event described in Section
11(a)(ii) hereof.

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

         "Stock Acquisition Date" shall mean the first date of public
announcement (which, for purposes of this definition, shall include, without

                                      -4-
<PAGE>

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.

         "Subsidiary" shall have the meaning ascribed to such term in
Rule 12b-2 of the General Rules and Regulations under the Exchange Act.

         "Trading Day" shall have the meaning set forth in Section 11(d) of this
Agreement.

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

         Unless otherwise specified, where reference is made in this Agreement
to sections of, and the General Rules and Regulations under, the Exchange Act,
such reference shall mean such sections and rules as amended from time to time
and any successor provisions thereto.

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

         Section 3. Issue of Rights Certificates.

         (a) Until the earlier of (i) the close of business on the tenth day
after the Stock Acquisition Date or (ii) the close of business on the tenth
Business Day (or such later date as may be fixed by the Board of Directors of
the Company prior to the time 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 Rules and Regulations under the Exchange Act, if upon consummation
thereof, such Person would be the Beneficial Owner of 20% or more of the Common
Shares then outstanding (the earlier of (i) and (ii) being herein referred to as
the "Distribution Date"), (x) beneficial interests in the Rights will be
evidenced (subject to the provisions of paragraph (b) of this Section 3) by the
certificates for the Common Shares registered in the names of the holders of the
Common Shares (which certificates for Common Shares shall be deemed also to be
certificates for beneficial interests in the Rights) and not by separate
certificates and (y) the Rights and beneficial interests therein will be
transferable only in connection with the transfer of the underlying Common
Shares (including a transfer to the Company). As soon as practicable after the
Distribution Date, the Rights Agent will send to each record holder of the
Common Shares as of the close of business on the Distribution Date, at the

                                      -5-

<PAGE>


address of such holder shown on the records of the Company, one or more rights
certificates, in substantially the form of Exhibit A hereto (the "Rights
Certificates"), evidencing one Right for each Common Share so held, subject to
adjustment as provided herein. 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, in substantially the form attached
hereto as Exhibit B, by first-class, postage prepaid mail, to each record holder
of the Common Shares as of the close of business on the Record Date, at the
address of such holder shown on the records of the Company. With respect to
certificates for the Common Shares outstanding as of the Record Date, until the
Distribution Date the Rights will be evidenced by such certificates for the
Common Shares and the registered holders of the Common Shares shall also be the
registered holders of the Rights. Until the earlier of the Distribution Date or
the Expiration Date, the transfer of any certificates representing Common Shares
in respect of which Rights have been issued shall also constitute the transfer
of the Rights associated with such Common Shares.

         (c) Rights shall be issued in respect of all Common Shares that are
issued (whether originally issued or delivered from the Company's treasury)
after the Record Date but prior to the earlier of the Distribution Date or the
Expiration Date. Certificates representing such Common Shares and certificates
issued after the Record Date upon transfer of Common Shares outstanding 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
         BetzDearborn Inc. (the "Company") and American Stock Transfer & Trust
         Company, a New York corporation (the "Rights Agent"), dated as of
         February 12, 1998 (the "Rights Agreement"), and as the same may be
         amended from time to time, 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 Associate thereof (as such terms are defined in the Rights
         Agreement), whether currently held by or on behalf of such Person or by
         any subsequent holder, may become null and void."

                                      -6-
<PAGE>


Until the earlier of the Distribution Date or the Expiration Date, the Rights
associated with the Common Shares shall be evidenced by certificates for the
Common Shares alone, and registered holders of Common Shares shall also be the
registered holders of the associated Rights, and the transfer of any
certificates for Common Shares shall also constitute the transfer of the Rights
associated with the Common Shares represented by such certificates.

         Section 4. Form of Rights Certificates.

         (a) The Rights Certificates (and the forms of election to purchase and
of assignment to be printed on the reverse thereof) shall each be substantially
in the form set forth in Exhibit A 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 securities quotation system 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 Common Shares as shall be set forth therein at the price set forth therein
(such exercise price per 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(a) or Section
22 hereof that represents Rights that the Company knows are beneficially owned
by: (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 oral or written plan, agreement, arrangement
or understanding regarding the transferred Rights or (B) a transfer that the
Board of Directors of the Company has determined is part of an oral or written
plan, agreement, 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

                                      -7-
<PAGE>

         Rights represented hereby may become null and void in the
         circumstances specified in Section 7(e) of such Agreement."

         Section 5. Countersignature and Registration.

         (a) The Rights Certificates shall be executed on behalf of the Company
by its Chairman of the Board, its 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 Agreement any such person was not such an officer.

         (b) Following the Distribution Date, the Rights Agent will keep or
cause to be kept, at its principal office or offices 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 Expiration Date, any Rights
Certificate or Certificates may be transferred, split up, combined or exchanged
for another Rights Certificate or Certificates, entitling the registered holder
to purchase a like number of Common Shares or other securities, cash or other
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
at the principal office or offices 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


                                      -8-
<PAGE>


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 subsection (e), 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 principal office or offices of the Rights Agent designated for such
purpose, together with payment of the aggregate Purchase Price (except as
provided in Section 11(p) hereof) with respect to the total number of shares (or
other securities, cash or other assets, as the case may be) as to which such
surrendered Rights are then exercisable (except as provided in Section 11(p)
hereof), at or prior to the earliest of (i) the close of business on September
19, 2008 (the "Final Expiration Date"), (ii) the consummation of a transaction
contemplated by Section 13(d) hereof, or (iii) the time at which the Rights are
redeemed as provided in Section 23 hereof (the earlier of (i), (ii) and (iii)
being herein referred to as the "Expiration Date").

         (b) The Purchase Price for each Common Share (or fraction thereof and
other securities or property, as provided in subsection (g)) pursuant to the
exercise of a Right shall as of the date of this Agreement be $250 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 subsection (c).

         (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 Common Share (or other shares, securities, cash or other assets, as
the case may be) to be purchased as set forth

                                      -9-

<PAGE>


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 Common Shares (or make available, if the Rights
Agent is the transfer agent for such Shares) certificates for the total number
of Common Shares to be purchased and the Company hereby irrevocably authorizes
its transfer agent to comply with all such requests, or (B) if the Company shall
have elected to deposit some or all of the total number of Common Shares
issuable upon exercise of the Rights hereunder with a depositary agent,
requisition from the depositary agent depositary receipts representing such
number of Common Shares as are to be purchased (in which case certificates for
the Common Shares represented by such receipts shall be deposited by the
transfer agent with the depositary agent) and the Company will direct the
depositary agent to comply with such request, (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 Purchase Price per Common Share (as such amount
may be reduced pursuant to Section 11(a)(iii) hereof) may be made (x) in cash or
by certified bank check or money order payable to the order of the Company, or
(y) if the Company, by action of a majority of the Continuing Directors in
office at the time, so permits, by delivery of a certificate or certificates
(with appropriate stock powers executed in blank attached thereto) evidencing a
number of Common Shares equal to the then Purchase Price divided by the closing
price (as determined pursuant to Section 11(d) hereof) per Common Share on the
Trading Day immediately preceding the date of such exercise. In the event that
the Company is obligated to issue other securities of the Company, pay cash
and/or distribute other property pursuant to Section 11(a) hereof, the Company
will make all arrangements necessary so that such other securities, cash and/or
other property are available for distribution by the Rights Agent, if and when
appropriate.

         (d) 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 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 oral or written plan,

                                      -10-

<PAGE>


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
an oral or written plan, agreement, arrangement or understanding which 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; provided, however, that the Rights held by an
Acquiring Person, an Affiliate or Associate of an Acquiring Person or the
transferees of such persons referred to above shall not be voided unless the
Acquiring Person in question or an Affiliate or Associate of such Acquiring
Person shall be involved in the transaction giving rise to the Section 11(a)(ii)
Event. The Company shall use all reasonable efforts to insure 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 exercise as
set forth in this Section 7 unless such registered holder shall have (i)
completed and signed the certificate contained in the form of election to
purchase set forth on the reverse side of the Rights Certificate surrendered for
such exercise and (ii) provided such additional evidence of the identity of the
Beneficial Owner (or former Beneficial Owner) or Affiliates or Associates
thereof as the Company shall reasonably request.

         (g) In the event that, prior to a Triggering Event, the number of
Common Shares that are authorized by the Company's Articles but not outstanding
or reserved for issuance for purposes other than upon exercise of the Rights are
not sufficient to permit the exercise in full of the Rights for Common Shares
only, the Company shall substitute for the Common Shares otherwise purchasable,
upon payment of the Purchase Price, a combination of some or all of the
following that has an aggregate value equal to the Purchase Price (where such
aggregate value has been determined by the Board of Directors of the Company):
(i) fractions of a Common Share (to the extent permitted by law and the Articles
of the Company), (ii) other equity securities of the Company, (iii) debt
securities of the Company, or (iv) other assets.

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

                                      -11-

<PAGE>


written request of the Company, destroy such canceled Rights Certificates, and
in such case shall deliver a certificate of destruction thereof to the Company.

         Section 9. Reservation and Availability of Capital Stock; Registration
of Securities.

         (a) The Company covenants and agrees that it will cause to be reserved
and kept available for issuance upon the exercise of outstanding Rights as many
as reasonably possible of its authorized and unissued Common Shares and other
securities or authorized and issued shares held in its treasury, to permit
exercise of outstanding Rights.

         (b) So long as the Common Shares and other securities issuable and
deliverable upon the exercise of the Rights may be listed on any national
securities exchange or securities quotation system, the Company shall use its
best efforts to cause, from and after such time as the Rights become
exercisable, all shares and other securities reserved for such issuance to be
listed on such exchange or quotation system upon official notice of issuance
upon such exercise.

         (c) The Company shall use its best efforts to (i) file, as soon as
practicable following the earliest date after the 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 or statements under the Act, with respect
to the securities purchasable upon exercise of the Rights on an appropriate form
or forms, (ii) cause such registration statement or statements to become
effective as soon as practicable after such filing, and (iii) cause such
registration statement or statements 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 date of the expiration of the Rights. 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 subsection (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. In
addition, if the Company shall determine that a registration statement is
required following the Distribution Date, the Company may temporarily suspend
the exercisability of the Rights until such time as a registration statement has
been declared effective. Notwithstanding any provision of this Agreement to the
contrary, the Rights shall not be exercisable in any jurisdiction if the
requisite qualification in such jurisdiction shall not have

                                      -12-
<PAGE>


been obtained, the exercise thereof shall not be permitted under applicable law
or a registration statement shall not have been declared effective.

         (d) The Company covenants and agrees that it will take all such action
as may be necessary to ensure that all Common Shares and other securities
delivered upon exercise of Rights shall, at the time of delivery of the
certificates for such shares or other securities (subject to payment of the
Purchase Price), be duly and validly authorized and issued and, with respect to
Common Shares or other shares of capital stock, 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 Common Shares (or other securities, as the case
may be) upon the exercise of Rights. The Company shall not, however, be required
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 Common Shares (or other securities, as the case may be)
in respect of a name other than that of the registered holder of the Rights
Certificates evidencing Rights surrendered for exercise or to issue or deliver
any certificates for a number of Common Shares (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. Capital Stock Record Date. Each person in whose name any
certificate for a number of Common Shares (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 Common Shares (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 Common Share (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
Common Share (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 shall not be entitled to any rights of a
shareholder of the Company with respect to shares for which the Rights shall be
exercisable, including, without limitation, the right to vote, to receive
dividends or other distributions or to exercise any preemptive rights, and shall
not be entitled to receive any notice of any proceedings of the Company, except
as provided herein.

         Section 11. Adjustment of Purchase Price, Number and Kind of Shares or
Number of Rights. The Purchase Price, the number and kind of shares and other


                                      -13-
<PAGE>

securities covered by each Right and the number of Rights issued (or to be
issued) and 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 Common Shares payable in
         Common Shares, (B) subdivide the outstanding Common Shares, (C) combine
         the outstanding Common Shares into a smaller number of shares, or (D)
         issue any shares of its capital stock in a reclassification of the
         Common Shares (including any such reclassification in connection with a
         consolidation or merger in which the Company is the continuing or
         surviving corporation), 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 Common Shares or capital stock, as the case may be, issuable on such
         date, shall be adjusted to the extent appropriate so that the holder of
         any Right exercised after such time shall be entitled to receive, upon
         exercise of such Right and any Rights received as a consequence of
         issuance of Common Shares in connection with such dividend or
         subdivisions and payment of the Purchase Price then in effect, the
         aggregate number and kind of Common Shares or capital stock, as the
         case may be, that, if such Right had been exercised immediately prior
         to such date and at a time when the Common Share transfer books were
         open, such holder would have owned upon such exercise and been entitled
         to receive by virtue of such dividend, subdivision, combination or
         reclassification. If an event occurs which would require an adjustment
         under both this Section 11(a)(i) and Section 11(a)(ii) hereof, the
         adjustment provided for in this Section 11(a)(i) shall be in addition
         to, and shall be made prior to, any adjustment required pursuant to
         Section 11 (a)(ii) hereof.

            (ii) In the event any Person becomes an Acquiring Person, then 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, such number of Common Shares of the Company as shall equal
         the result obtained by (x) multiplying the current Purchase Price by
         the number of Common Shares for which a Right was exercisable
         immediately prior to such Person becoming an Acquiring Person and (y)
         dividing that product by 50% of the current market price (determined
         pursuant to Section 11(d) hereof) per Common Share on the date of such
         occurrence (such number of shares, the "Adjustment Shares").

                                      -14-

<PAGE>

            (iii) In the event that the number of Common Shares that are
         authorized by the Company's Articles but not outstanding or reserved
         for issuance for purposes other than upon exercise of the Rights are
         not sufficient to permit the exercise in full of the Rights in
         accordance with the foregoing subparagraph (ii) of this Section 11(a),
         the Company shall: (A) determine the excess of (1) 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, (1) cash, (2) a reduction in the Purchase Price, (3) Common
         Shares or other equity securities of the Company (including, without
         limitation, preferred shares or units of preferred shares that a
         majority of the Continuing Directors in office at the time has deemed
         (based, among other things, on the dividend and liquidation rights of
         such preferred shares) to have substantially the same economic value as
         Common Shares (such preferred shares, hereinafter referred to as
         "common share 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 a majority of the Continuing Directors in office
         at the time after considering 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 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, Common Shares (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 Common Shares
         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


                                      -15-


<PAGE>

         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 has been
         temporarily suspended, as well as a public announcement at such time as
         the suspension is no longer in effect. For purposes of this Section
         11(a)(iii), the value of the Common Shares shall be the current market
         price (as determined pursuant to Section 11(d) hereof) per Common Share
         on the Section 11(a)(ii) Trigger Date and the value of any "common
         share equivalent" shall be deemed to have the same value as the Common
         Shares 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 Common Shares entitling them to
subscribe for or purchase (for a period expiring within forty-five (45) calendar
days after such record date) Common Shares of the Company (or shares having the
same rights, privileges and preferences as the Common Shares ("equivalent common
shares")) or securities convertible into Common Shares or equivalent common
shares at a price per Common Share or per equivalent common share (or having a
conversion price per share, if a security convertible into Common Shares or
equivalent common shares) less than the current market price (as determined
pursuant to Section 11(d) hereof) per Common Share 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 Common Shares
outstanding on such record date, plus the number of Common Shares that the
aggregate offering price of the total number of Common Shares and/or equivalent
common shares so to be offered (and/or the aggregate initial conversion price of
the convertible securities so to be offered) would purchase at such current
market price, and the denominator of which shall be the number of Common Shares
outstanding on such record date, plus the number of additional Common Shares
and/or equivalent common shares 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 binding on the Rights Agent and the
holders of the Rights. Common Shares owned by or held for the account of the

                                      -16-
<PAGE>

Company shall not be deemed outstanding for the purpose of any such computation.
Such adjustment shall be made successively whenever such a record date is fixed,
and in the event that such rights or warrants are not so issued, the Purchase
Price shall be adjusted to be the Purchase Price that would then be in effect if
such record date had not been fixed.

         (c) In case the Company shall fix a record date for a distribution to
all holders of Common Shares (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
dividend out of the earnings or retained earnings of the Company), assets (other
than a regular quarterly dividend referred to above or dividend payable in
Common Shares of the Company, but including any dividend payable in stock other
than Common Shares of the Company) 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 Common Share on such record date, less the fair market value (as
determined in good faith by the Board of Directors of the Company, whose
determination shall be described in a statement filed with the Rights Agent) of
the portion of the cash, assets or evidences of indebtedness so to be
distributed or of such subscription rights or warrants applicable to a Common
Share and the denominator of which shall be such current market price (as
determined pursuant to Section 11(d) hereof) per Common Share. 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) The "current market price" per Common Share on any date shall be
deemed to be the average of the daily closing prices per Common Share for the
thirty (30) consecutive Trading Days (as such term is hereinafter defined)
immediately prior to such date, except that for purposes of computations made
pursuant to Section 11(a)(iii) hereof, the "current market price" per Common
Share on any date shall be deemed to be the average of the daily closing prices
per Common Share for the ten (10) consecutive Trading Days immediately following
such date; provided, however, that in the event that the current market price
per Common Share is determined during a period following the announcement by the
issuer of such Common Share of (A) a dividend or distribution on such Common
Share payable in Common Shares or securities convertible into Common Shares
(other than the Rights), or (B) any subdivision, combination or reclassification
of such Common Shares, and prior to the expiration of the requisite thirty (30)
Trading Day or ten (10) Trading Day period, as set forth above, after the
exdividend 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 Common Shares are not listed or admitted to trading on the New York Stock
Exchange, as reported in the principal consolidated transaction reporting system

                                      -17-
<PAGE>

with respect to securities listed on the principal national securities exchange
on which the Common Shares are listed or admitted to trading or, if the Common
Shares 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
National Association of Securities Dealers, Inc. Automated Quotation System
("NASDAQ") or such other system then in use, or, if on any such date the Common
Shares 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 Shares selected by the Board of Directors of the Company. If on any
such date no market maker is making a market in the Common Shares, 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 Common Shares
are listed or admitted to trading is open for the transaction of business or, if
the Common Shares are not listed or admitted to trading on any national
securities exchange, a Business Day. If the Common Shares are 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.

         (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 (1%) in the Purchase Price;
provided, however, that any adjustments which by reason of this Section 11(e)
are not required to be made shall be carried forward and taken into account in
any subsequent adjustment. All calculations under this Section 11 shall be made
to the nearest cent or to the nearest ten-thousandth of a Common Share.
Notwithstanding the first sentence of this subsection (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 that mandates such adjustment, and
(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 Common Shares,
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 Common Shares contained in Sections 11(a), (b),
(c), (e), (g), (h), (i), (j), (k), (m) and (q), and the provisions of Sections
7, 9, 10, 13 and 14 hereof with respect to the Common Shares shall apply on like
terms to any such other shares.

         (g) All Rights originally issued by the Company subsequent to any
adjustment made to the Purchase Price hereunder shall evidence the right to

                                      -18-

<PAGE>

purchase, at the adjusted Purchase Price, the number of Common Shares
purchasable from time to time hereunder upon exercise of the Rights, all subject
to further adjustment as provided herein.

         (h) Unless the Company shall have exercised its election as provided in
subsection (i), upon each adjustment of the Purchase Price as a result of the
calculations made in subsections (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 Common Shares
(calculated to the nearest ten-thousandth) obtained by (i) multiplying (x) the
number of shares 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 Common Shares 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 Common Shares 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 ten-thousandth) obtained by dividing the Purchase
Price in effect immediately prior to adjustment of the Purchase Price by the
Purchase Price in effect immediately after adjustment of the Purchase Price. The
Company shall make a public announcement of its election to adjust the number of
Rights, indicating the record date for the adjustment, and, if known at the
time, the amount of the adjustment to be made. The record date for the
adjustment 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 distributed shall be issued, executed and
countersigned in the manner provided for herein (and may bear, at the option of
the Company, the adjusted Purchase Price) and shall be registered in the names
of the holders of record of 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 Common Shares issuable upon the exercise of the Rights, the Rights
Certificates theretofore and thereafter issued may continue to express the
Purchase Price per Common Share and the number of shares that were expressed in
the initial Rights Certificates issued hereunder.

                                      -19-
<PAGE>

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

         (l) In any case in which this Section 11 shall require that an
adjustment in the Purchase Price be made effective as of a record date for a
specified event, the Company may elect to defer until the occurrence of such
event the issuance to the holder of any Right exercised after such record date
the number of Common Shares and other capital stock or securities of the
Company, if any, issuable upon such exercise over and above the number of Common
Shares and other capital stock or securities of the Company, if any, issuable
upon such exercise on the basis of the Purchase Price in effect prior to such
adjustment; provided, however, that the Company shall deliver to such holder a
due bill or other appropriate instrument evidencing such holder's right to
receive such additional shares (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 Common Shares, (ii) issuance wholly for cash of any Common
Shares at less than the current market price, (iii) issuance wholly for cash of
Common Shares or securities which by their terms are convertible into or
exchangeable for Common Shares, (iv) stock dividends or (v) issuance of rights,
options or warrants referred to in this Section 11, hereafter made by the
Company to holders of its Common Shares shall not be taxable to such
shareholders.

         (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 which 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

                                      -20-


<PAGE>

13(a) hereof shall have received a distribution of Rights previously owned by
such Person or any of its Affiliates and Associates.

         (o) The Company covenants and agrees that, after the Distribution Date,
it will not, except as permitted by Section 23 or Section 26 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) In the event that the Rights become exercisable following a Section
11(a)(ii) Event, the Company, by action of a majority of the Continuing
Directors in office at the time, may permit the Rights, subject to Section 7(e)
hereof, to be exercised for 50% of the Common Shares (or cash, other securities
or assets to be substituted for the Adjustment Shares pursuant to subsection
(a)(iii)) that would otherwise be purchasable under subsection (a), in
consideration of the surrender to the Company of the Rights so exercised and
without other payment of the Purchase Price. Rights exercised under this
subsection (p) shall be deemed to have been exercised in full and shall be
canceled.

         Section 12. Certificate of Adjusted Purchase Price or Number of Shares.
Whenever an adjustment is made as provided in Section 11 and 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
Common Shares, 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 Common Shares) in accordance with
Section 25 hereof. The Rights Agent shall be fully protected in relying on any
such certificate and on any adjustment therein contained.

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

         (a) In the event that, following the Stock Acquisition Date, 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 which
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 which 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 Common Shares 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 otherwise transfer), in one transaction or a series
of related transactions, assets or earning power aggregating more than 50% of

                                      -21-
<PAGE>

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 subsection
(d), proper provision shall be made so that: (i) each holder of a Right, except
as provided in Section 7(e) or subsection (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 Common
Shares 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 (1) multiplying the then current
Purchase Price by the number of Common Shares for which a Right is exercisable
immediately prior to the first 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 shares 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 first 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) hereof) per Common Share 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 its Common Shares) 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 Common Shares 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

            (i) in the case of any transaction described in clause (x) or (y) of
         the first sentence of subsection (a), the Person that is the issuer of
         any securities into which Common Shares 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 subsection (a), the Person that is the party
         receiving the greatest portion of the assets or earning power
         transferred pursuant to such transaction or transactions;

                                      -22-


<PAGE>

provided, however, that in any such case, (1) if the Common Shares of such
Person are not at such time and have 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
Shares of which are and have been so registered, "Principal Party" shall refer
to such other Person, and (2) in case such Person is a Subsidiary, directly or
indirectly, of more than one Person, the Common Shares 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 Shares having the greatest aggregate
market value.

         (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 Shares that have not been issued or reserved for
issuance to permit the exercise in full of the Rights in accordance with this
Section 13 and unless prior thereto the Company and such 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, 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; and

            (ii) will 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 that 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 (other than this subsection (d)) 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 who acquired Common Shares pursuant to a
tender offer or exchange offer for all outstanding Common Shares that complies
with the provisions of Section 11(a)(ii) hereof (or a wholly owned Subsidiary of


                                      -23-
<PAGE>

any such Person or Persons), (ii) the price per Common Share offered in such
transaction is not less than the price per Common Share paid to all holders of
Common Shares whose shares were purchased pursuant to such tender offer or
exchange offer and (iii) the form of consideration being offered to the
remaining holders of Common Shares pursuant to such transaction is the same as
the form of consideration paid pursuant to such tender or exchange offer. Upon
consummation of any such transaction contemplated by this subsection (d), all
Rights hereunder shall expire.

         (e) In the event that the Rights become exercisable under subsection
(a) (except as provided in subsection (d)), the Company, by action of a majority
of the Continuing Directors in office at the time, may agree with the Principal
Party that the Principal Party shall permit the Rights to be exercised for 50%
of the Common Shares of the Principal Party that would otherwise be purchasable
under subsection (a), in consideration of the surrender to the Principal Party,
as the successor to the Company under subsection (a) (ii), of the Rights so
exercised and without other payment of the Purchase Price. Rights exercised
under this subsection (e) shall be deemed to have been exercised in full and
shall be canceled.

         Section 14. Fractional Rights and Fractional Shares.

         (a) The Company shall not be required to issue fractions of Rights 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 subsection (a), the current market
value of a whole Right shall be the closing price of the Rights for the Trading
Day immediately prior to the date on which such fractional Rights would have
been otherwise issuable. The closing price 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 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 Common
Shares upon exercise of the Rights or to distribute certificates which evidence

                                      -24-


<PAGE>

fractional Common Shares. In lieu of fractional Common Shares, the Company may
pay to the registered holders of Rights Certificates at the time such Rights are
exercised as herein provided an amount in cash equal to the same fraction of the
current market value of a Common Share. For purposes of this subsection (b), the
current market value of one Common Share shall be the closing price of a Common
Share (as determined pursuant to Section 11(d) 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 Common Shares upon exercise of the Rights
or to distribute certificates that evidence fractional Common Shares. In lieu of
fractional Common Shares, the Company may 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
Common Share. For purposes of this subsection (c), the current market value of
one Common Share shall be the closing price of one Common Share (as determined
pursuant to Section 11(d) hereof) for the Trading Day immediately prior to the
date of such exercise.

         (d) The holder of a Right or a beneficial interest in a Right by the
acceptance thereof 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 are vested in the respective registered holders of the Rights
Certificates (and, prior to the Distribution Date, the registered holders of the
Common Shares); and any registered holder of any Rights Certificate (or, prior
to the Distribution Date, of the Common Shares), without the consent of the
Rights Agent. or of the holder of any other Rights Certificate (or, prior to the
Distribution Date, of the Common Shares), may, in his 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 or beneficial interests
therein, it is specifically acknowledged that the holders of Rights or
beneficial interests therein 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 or a
beneficial interest in a Right by accepting the same consents and agrees with
the Company and the Rights Agent and with every other such holder that:

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


                                      -25-

<PAGE>

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

         (c) subject to Section 6(a) and Section 7(f) hereof, the Company and
the Rights Agent may deem and treat the person in whose name a Rights
Certificate (or, prior to the Distribution Date, the associated Common Share
certificate) is registered as the absolute owner thereof and of the Rights
evidenced thereby (notwithstanding any notations of ownership or writing on the
Rights Certificates or the associated Common Share certificate made by anyone
other than the Company or the Rights Agent) for all purposes whatsoever, and
neither the Company nor the Rights Agent, 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 a beneficial interest in 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 Shareholder. 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 Common Shares
or any other securities of the Company that 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 shareholder of the Company
or any right to vote for the election of directors or upon any matter submitted
to shareholders at any meeting thereof, or to give or withhold consent to any
corporate action, or to receive notice of meetings or other actions affecting
shareholders (except as provided in Section 24 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
hereunder. The Company also agrees to indemnify the Rights Agent, for and to

                                      -26-

<PAGE>

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 Shares or for other securities of the
Company, instrument of assignment or transfer, power of attorney, endorsement,
affidavit, letter, notice, direction, consent, certificate, statement, or other
paper or document believed by it to be genuine and to be signed, executed and,
where necessary, verified or acknowledged, by the proper Person or Persons.

         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 and trust created by this Agreement, any of the Rights
Certificates shall have been countersigned but not delivered, any such successor
Rights Agent may adopt the countersignature of 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 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

                                      -27-


<PAGE>

conditions, by all of which the Company and the holders of Rights Certificates
or beneficial interests in the Rights, 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 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 or
Section 13 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 actual notice of any such adjustment); nor shall it by
any act hereunder be deemed to make any representation or warranty as to the
authorization or reservation of any Common Shares to be issued pursuant to this
Agreement or any Rights Certificate or as to whether any Common Shares or
Preferred Shares 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

                                      -28-
<PAGE>

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.

         (h) The Rights Agent and any shareholder, director, officer or employee
of the Rights Agent may buy, sell or deal in any of the Rights or other
securities of the Company or become pecuniarily interested in any transaction in
which the Company may be interested, or contract with or lend money to the
Company or otherwise act as fully and freely as though it were not Rights Agent
under this Agreement and none of such actions shall constitute a breach of
trust. 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 either not
been completed or indicates an affirmative response to clause (1) and/or clause
(2) thereof, the Rights Agent shall not take any further action with respect to
such requested exercise or transfer without first consulting with the Company.

         Section 21. Change of Rights Agent. The Rights Agent or any successor
Rights Agent may resign and be discharged from its duties under this Agreement
upon thirty (30) days' prior written notice mailed to the Company and to each
transfer agent of the Common Shares, by registered or certified mail, and to the
holders of the Rights Certificates by first-class mail. The Company may remove

                                      -29-
<PAGE>

the Rights Agent or any successor Rights Agent upon thirty (30) days' prior
written notice mailed to the Rights Agent or successor Rights Agent, as the case
may be, and to each transfer agent of the Common Shares, by registered or
certified mail, and to the holders of the Rights Certificates by first-class
mail. If the Rights Agent shall resign or be removed or shall otherwise become
incapable of acting, the Company shall appoint a successor to the Rights Agent.
If the Company shall fail to make such appointment within a period of thirty
(30) days after giving notice of such removal or after it has been notified in
writing of such resignation or 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, doing business and in good standing under the laws of the
United States or of any state, having a principal office in the State of New
York or the Commonwealth of Pennsylvania, that is authorized by law to exercise
corporate trust and stock transfer powers and is subject to supervision or
examination by federal or state authority and that has at the time of its
appointment as Rights Agent a combined capital and surplus adequate in the
judgment of a majority of Continuing Directors in office at the time to assure
the performance of its duties hereunder and the protection of the interests of
the Company and the holders of Rights or beneficial interests therein, 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 Shares, and mail
a notice thereof in writing to the registered holders of the Rights Certificates
or, prior to the Distribution Date, to the registered holders of the Common
Shares. 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, sale or delivery of Common. Shares following the Distribution
Date and prior to the redemption or expiration of the Rights, the Company (a)
shall, with respect to Common Shares so issued, sold or delivered pursuant to
the exercise of stock options, stock appreciation rights, grants or awards

                                      -30-
<PAGE>

outstanding on the Distribution Date under any benefit plan or arrangement for
employees or directors, or upon the exercise, conversion or exchange of
securities outstanding on the Record Date or hereinafter issued by the Company,
and (b) may, in any other case, if deemed necessary or appropriate by the Board
of Directors of the Company, issue Rights Certificates representing the
appropriate number of Rights in connection with such issuance or sale; provided,
however, that (i) no such Rights Certificate shall be issued 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 a 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 Common Shares
(based on the "current market price", as defined in Section 11(d) hereof, of the
Common Shares at the time of redemption) or cash; provided, however, if the
Board of Directors of the Company authorizes redemption of the Rights in either
of the circumstances set forth in clauses (i) and (ii) of this proviso, then
there must be Continuing Directors then in office and such authorization shall
require the concurrence of a majority of such Continuing Directors: (i) such
authorization occurs on or after the time a Person becomes an Acquiring Person,
or (ii) such authorization occurs on or after the date of a change (resulting
from a proxy or consent solicitation) in a majority of the directors in office
at the commencement of such solicitation if any Person who is a participant in
such solicitation has stated (or, if upon the commencement of such solicitation,
a majority of the Board of Directors of the Company has determined in good
faith) that such Person (or any of its Affiliates or Associates) intends to
take, or may consider taking, any action that would result in such Person
becoming an Acquiring Person or that would cause the occurrence of a Triggering
Event unless, concurrently with such solicitation, such Person (or one or more
of its Affiliates or Associates) is making a cash tender offer pursuant to a
Schedule 14D-1 (or any successor form) filed with the Securities and Exchange
Commission for all outstanding Common Shares not beneficially owned by such
Person (or by its Affiliates or Associates). Notwithstanding anything contained
in this Agreement to the contrary, the Rights shall not be exercisable after the
occurrence of a Section 11(a)(ii) Event until such time as the Company's right
of redemption hereunder has expired.

         (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

                                      -31-
<PAGE>

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 Shares. Any notice that
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) In the event of any dividend payable on the Common Shares payable
in Common Shares, subdivision of outstanding Common Shares or combination of the
Common Shares into a smaller number of shares, the Redemption Price then in
effect shall be adjusted by multiplying such Redemption Price by a fraction, the
numerator of which is the number of Common Shares outstanding immediately prior
to the occurrence of the event, and the denominator of which shall be the total
number of Common Shares outstanding immediately following the occurrence of the
event.

         Section 24. 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 Common Shares or to make any other distribution to the holders of
Common Shares (other than a regular quarterly dividend out of earnings or
retained earnings of the Company), or (ii) to offer to the holders of Common
Shares rights or warrants to subscribe for or to purchase any additional Common
Shares or shares of stock of any class or any other securities, rights or
options, or (iii) to effect any reclassification of its Common Shares (other
than a reclassification involving only the subdivision of outstanding Common
Shares), 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
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 25
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 Common Shares, if any such date is to be
fixed, and such notice shall be so given in the case of any action covered by
clause (i) or (ii) above at least twenty (20) days prior to the record date for
determining holders of Common Shares for purposes of such action, and in the

                                      -32-
<PAGE>

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 Common Shares whichever shall be the earlier.

         (b) In case any of the events set forth in Section 11(a)(ii) hereof
shall occur, then, in any such case, (i) the Company shall as soon as
practicable thereafter give to each holder of a Right, to the extent feasible
and in accordance with Section 25 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 Common Shares shall be deemed thereafter to refer to
Common Shares and/or, if appropriate, other securities.

         Section 25. 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:

                           BetzDearborn Inc.
                           4636 Somerton Road
                           Trevose, Pennsylvania 19053-6783
                           Attention:  General Counsel

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:

                           American Stock Transfer & Trust Company
                           40 Wall Street
                           New York, NY  10005
                           Attention: Corporate Trust Department

Notices or demands authorized by this Agreement to be given or made by the
Company or the Rights Agent to the holder of any Rights Certificate (or, if
prior to the Distribution Date to the holder of certificates representing Common
Shares) 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 26. Supplements and Amendments.

         (a) Prior to the Distribution Date, 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 Common Shares. From and after
the Distribution Date, 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

                                      -33-
<PAGE>

supplement any provision contained herein which may be defective or inconsistent
with any other provisions herein, (iii) to shorten or lengthen any time period
hereunder (which lengthening or shortening, following the first occurrence of an
event set forth in clauses (i) and (ii) of the proviso to Section 23(a) hereof,
shall be effective only if there are Continuing Directors and shall require the
concurrence of a majority of such Continuing Directors), or to change or
supplement the provisions hereunder in any manner that the Company may deem
necessary or desirable and that shall not adversely affect the interests of the
holders of Rights Certificates; provided, this Agreement may not be supplemented
or amended to lengthen, pursuant to clause (iii) of this sentence, (A) a time
period relating to when the Rights may be redeemed at such time as the Rights
are not then redeemable, or (B) any other time period unless such lengthening is
for the purpose of protecting, enhancing or clarifying the rights of, and/or the
benefits to, the holders of Rights. Upon the delivery of a certificate from an
appropriate officer of the Company that states that the proposed supplement or
amendment is in compliance with the terms of this Section 26, the Rights Agent
shall execute such supplement or amendment. Prior to the Distribution Date, the
interests of the beneficial owners of Rights shall be deemed coincident with the
interests of the holders of Common Shares.

         (b) In deciding whether or not to supplement or amend this Agreement,
the directors of the Company shall act in good faith, in a manner they
reasonably believe to be in the best interests of the Company and with such
care, including reasonable inquiry, skill and diligence, as a person of ordinary
prudence would use under similar circumstances, and they may consider the
effects of any action upon employees, suppliers and customers and creditors of
the Company and upon communities in which offices or other establishments of the
Company are located and all other pertinent factors.

         Section 27. Successors. All the covenants and provisions of this
Agreement by or for the benefit of the Company or the Rights Agent shall bind
and inure to the benefit of their respective successors and assigns hereunder.

         Section 28. Determinations and Actions by the Board of
Directors, etc. For all purposes of this Agreement, any calculation of the
number of Common Shares outstanding at any particular time, including for
purposes of determining the particular percentage of such outstanding Common
Shares of which any Person is the Beneficial Owner, shall be made in accordance
with the last sentence of Rule 13d-3(d)(1)(i) of the General Rules and
Regulations under the Exchange Act as in effect on the date hereof. The Board of
Directors of the Company (with, where specifically provided for herein, the
concurrence of the Continuing Directors) shall have the exclusive power and
authority to administer this Agreement and to exercise all rights and powers
specifically granted to the Board (with, where specifically provided for herein,
the concurrence of the Continuing Directors) 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 or supplement the Agreement). All such actions,
calculations, interpretations and determinations (including, for purposes of

                                      -34-
<PAGE>

clause (y) below, all omissions with respect to the foregoing) that are done or
made by the Board (with, where specifically provided for herein, the concurrence
of the Continuing Directors) 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 or the Continuing Directors to any
liability to the holders of the Rights.

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

         Section 30. Severability. If any term, provision, covenant or
restriction of this Agreement is held by a court of competent jurisdiction or
other authority to be invalid, void or unenforceable for any purpose or under
any set of circumstances or as applied to any Person, such invalid, void or
unenforceable term, provision, covenant or restriction shall continue in effect
to the maximum extent possible for all other purposes, under all other
circumstances and as applied to all other Persons; and the remainder of the
terms, provisions, covenants and restrictions of this Agreement shall remain in
full force and effect and shall in no way be affected, impaired or invalidated;
provided, however, that notwithstanding anything in this Agreement to the
contrary, if any such term, provision, covenant or restriction is held by such
court or authority to be invalid, void or unenforceable and the Board of
Directors of the Company determines in its good faith judgment that severing the
invalid language from this Agreement would adversely affect the purpose or
effect of this Agreement, the right of redemption set forth in Section 23 hereof
shall be reinstated and shall not expire until the close of business on the
tenth day following the date of such determination by the Board of Directors.
Without limiting the foregoing, if any provisions requiring that a determination
be made by less than the entire Board (or at a time or with the concurrence of a
group of directors consisting of less than the entire Board) is held by a court
of competent jurisdiction or other authority to be invalid, void or
unenforceable, such determination shall then be made by the Board in accordance
with applicable law and the Company's Articles and by-laws.

         Section 31. 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 Commonwealth of Pennsylvania and for all purposes shall be governed
by and construed in accordance with the laws of such jurisdiction applicable to
contracts made and to be performed entirely within such jurisdiction.

                                      -35-
<PAGE>

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

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

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


                                      BETZDEARBORN INC.


                                      By:
                                         ---------------------------------------
                                         William R. Cook
                                         Chairman of the Board and
                                         Chief Executive Officer


                                      AMERICAN STOCK TRANSFER &
                                      TRUST COMPANY


                                      By:
                                         ---------------------------------------
                                         Name:
                                         Title:


                                      -36-
<PAGE>



                                                                       Exhibit A







                          (Form of Rights Certificate)


Certificate No. R-                                             __________ Rights



                  NOT EXERCISABLE AFTER SEPTEMBER 19, 2008 OR AFTER EARLIER
                  REDEMPTION BY THE COMPANY. THE RIGHTS ARE SUBJECT TO
                  REDEMPTION, AT THE OPTION OF THE COMPANY, INITIALLY AT $.01
                  PER RIGHT, 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.]*



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



<PAGE>



                               Rights Certificate

                                BETZDEARBORN INC.

         This certifies that                                               , or
registered assigns, is the registered owner of the number of Rights set forth
above, each of which entitles the owner thereof, subject to the terms,
provisions and conditions of the Rights Agreement, dated as of February 12, 1998
(the "Rights Agreement"), between BetzDearborn, Inc., a Pennsylvania corporation
(the "Company"), and American Stock Transfer & Trust Company, a New York
corporation (the "Rights Agent"), to purchase from the Company at any time prior
to 5:00 P.M. (Philadelphia time) on September 19, 2008 at the office or offices
of the Rights Agent designated for such purpose, or its successors as Rights
Agent, one fully paid, non-assessable Common Share (the "Common Share") of the
Company, at a purchase price of $250 per share (the "Purchase Price"), or such
fraction of a Common Share and other debt or equity securities of the Company
and other assets as provided in Section 7(g) of the Rights Agreement, upon
presentation and surrender of this Rights Certificate with the Form of Election
to Purchase and related Certificate duly executed. Except as provided in
Sections 11(p) and 13(e) of the Rights Agreement, the Purchase Price shall be
paid in cash or, if the Company permits, by the delivery of Common Shares of the
Company having an equivalent value. The number of Rights evidenced by this
Rights Certificate (and the number of shares that may be purchased upon exercise
thereof) set forth above, and the Purchase Price per share set forth above, are
the number and Purchase Price as of February 12, 1998, based on the Common
Shares as constituted at such date.

         Except as otherwise provided in the Rights Agreement, upon the
occurrence of any Section 11(a)(ii) Event (as such term is defined in the Rights
Agreement), 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, or (iii) under
certain circumstances specified in the Rights Agreement, a transferee of a
person who, 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 any such Section 11(a)(ii) Event.

         As provided in the Rights Agreement, the Purchase Price and the number
and kind of Common Shares or other securities that 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
Triggering 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

<PAGE>

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 office of the Rights Agent and
are also available upon written request to the Company.

         This Rights Certificate, with or without other Rights Certificates,
upon surrender at the principal office or offices of the Rights Agent designated
for such purpose, may be exchanged for another Rights Certificate or Rights
Certificates of like tenor and date evidencing Rights entitling the holder to
purchase a like aggregate number of Common Shares 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 (subject to adjustment as provided in the Rights
Agreement) 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.
Under certain circumstances set forth in the Rights Agreement, the decision to
redeem shall require the concurrence of a majority of the Continuing Directors.

         No fractional Common Shares will be issued upon the exercise of any
Right or Rights evidenced hereby but in lieu thereof a cash payment will be
made, as provided in the Rights Agreement.

         No holder of this Rights Certificate shall be entitled to vote
or receive dividends or be deemed for any purpose the holder of Common Shares or
of any other securities of the Company that 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
shareholder of the Company or any right to vote for the election of directors or
upon any matter submitted to shareholders at any meeting thereof, or to give or
withhold consent to any corporate action, or, to receive notice of meetings or
other actions affecting shareholders (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.

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

                                      -2-
<PAGE>

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



Dated as of           ,     .
            ----------  ----


ATTEST                                           BETZDEARBORN INC.


                                                 By:
                                                    ----------------------------
Secretary                                            Chairman of the Board and
                                                     Chief Executive Officer


Countersigned

American Stock Transfer & Trust Company


By:
   ---------------------------------
   Title:

                                      -3-
<PAGE>



                  (Form of Reverse Side of Rights Certificate)


                               FORM OF ASSIGNMENT


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


FOR VALUE RECEIVED
                  --------------------------------------------------------------
hereby sells, assigns and transfers unto
                                         ---------------------------------------

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

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

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


Dated:            ,
      ------------ ------                     ----------------------------------
                                              Signature

Signature Guaranteed:


                                   Certificate

         The undersigned hereby certifies by checking the appropriate boxes
that:

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

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


Dated:            ,
      ------------ ----                     ------------------------------------
                                            Signature

Signature Guaranteed:


<PAGE>

                                     NOTICE

         The signatures to the foregoing Assignment 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>


                          FORM OF ELECTION TO PURCHASE

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


To:   BETZDEARBORN INC.

         The undersigned hereby irrevocably elects to exercise __________ Rights
represented by this Rights Certificate to purchase the Common Shares issuable
upon the exercise of the Rights (or such other securities of the Company or of
any other person that 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:           ,
      -----------  ------


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


Signature Guaranteed:



<PAGE>


                                   Certificate


         The undersigned hereby certifies by checking the appropriate boxes that

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

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

Dated:           ,
      ----------   ------

                                           -------------------------------------
                                           Signature
                                   
Signature Guaranteed:


                                     NOTICE

         The signatures 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>


                                                                       EXHIBIT B



                          SUMMARY OF RIGHTS TO PURCHASE
                                  COMMON SHARES

         On February 12, 1998 the Board of Directors of BetzDearborn Inc. (the
"Company") declared a dividend distribution of one Right for each outstanding
share of Common Stock, $.10 par value, of the Company (the "Common Shares"), to
shareholders of record at the close of business on September 19, 1998. Each
Right entitles the registered holder to purchase from the Company one Common
Share, or, under certain circumstances, a combination of securities and assets
of equivalent value, at a Purchase Price of $250 per Common Share, subject to
adjustment. The Purchase Price may be paid in cash or, if the Company permits,
by the delivery of Common Shares having a value at the time of exercise equal to
the Purchase Price. The description and terms of the Rights are set forth in a
Rights Agreement (the "Rights Agreement") between the Company and American Stock
Transfer & Trust Company, as Rights Agent.

         Initially, ownership of the Rights will be evidenced by the Common
Share certificates representing shares then outstanding, and no separate Rights
Certificates will be distributed. The Rights will separate from the Common
Shares 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 20% or more of the outstanding Common Shares
(the "Stock Acquisition Date") or (ii) the close of business on the tenth
business day (or such later date as may be fixed by the Board of Directors of
the Company) before a Person becomes an Acquiring Person after the commencement
of a tender offer or exchange offer that would result in a person or group
beneficially owning 20% or more of the outstanding Common Shares. Until the
Distribution Date, (i) the Rights will be evidenced by the Common Share
certificates and will be transferred with and only with such Common Share
certificates, (ii) new Common Share certificates issued after September 19, 1998
will contain a notation incorporating the Rights Agreement by reference and
(iii) the surrender for transfer of any certificates for Common Shares
outstanding will also constitute the transfer of the Rights associated with the
common Shares represented by such certificate.

         The Rights are not exercisable until the Distribution Date and will
expire at the close of business on September 19, 2008, unless earlier redeemed
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 Shares 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 the exercise of employee
stock options or stock appreciation rights or under any other benefit plan for
employees or


<PAGE>


directors or in connection with the exercise of warrants or the conversion of
convertible securities, only Common Shares issued after September 19, 1998 and
prior to the Distribution Date will be issued with Rights.

         In the event that at any time following the Distribution Date a Person
becomes an Acquiring Person, each holder of a Right will thereafter have the
right to receive, upon exercise, Common Shares (or, in certain circumstances,
cash, property or other securities of the Company) having a value equal to two
times the exercise price of the Right. In lieu of requiring payment of the
Purchase Price upon exercise of the Rights following any such event, the Company
may permit the holders simply to surrender the Rights in which event they will
be entitled to receive Common Shares (and other property, as the case may be)
with a value of 50% of what could be purchased by payment of the full Purchase
Price. Notwithstanding any of the foregoing, all Rights that are, or (under
certain circumstances specified in the Rights Agreement) were, beneficially
owned by the Acquiring Person will be null and void. However, Rights are not
exercisable until such time as the Rights are no longer redeemable by the
Company as set forth below.

         For example, at an exercise price of $250 per Right, each Right not
otherwise voided following an event set forth in the preceding paragraph would
entitle its holder to purchase $500 worth of Common Shares (or other
consideration, as noted above) for $250. Assuming that the Common Shares had a
per share value of $100 at such time, the holder of each valid Right would be
entitled to purchase five Common Shares with a value of $500 for $250.
Alternatively, the Company could permit the holder to surrender each Right in
exchange for one-half of the number of Common Shares (or other consideration, as
noted above) otherwise deliverable upon exercise without the payment of any
consideration other than the surrender of the Right.

         In the event that, at any time following the Stock Acquisition Date,
(i) the Company is acquired in a merger or other business combination
transaction in which the Company is not the surviving corporation (other than a
merger that is described in, or that follows a tender offer or exchange offer
described in, 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 that previously have been voided as set forth above) shall
thereafter have the right to receive, upon exercise, common shares of the
acquiring company having a value equal to two times the exercise price of the
Right. Again, provision is made to permit surrender of the Rights in exchange
for one-half of the value otherwise purchasable. The events set forth in this
paragraph and in the second preceding paragraph are referred to as the
"Triggering Events."

         The Purchase Price payable, and the number of Common Shares 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 Common
Shares, (ii) if holders of the Common Shares are granted certain rights or
warrants to subscribe for Common Shares or convertible securities at less than
the current market price of the Common Shares, or (iii) upon the distribution to

                                      -2-
<PAGE>

holders of the Common Shares of evidences of indebtedness or assets (excluding
regular quarterly dividends) or of certain subscription rights or warrants
(other than those referred to above and rights or warrants to acquire securities
of any person, including any subsidiary of the Company).

         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 Common Shares will be issued and, in lieu thereof, an
adjustment in cash will be made based on the market price of the Common Shares
on the last trading date prior to the date of exercise.

         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 redemption price
of $.01 per Right, subject to adjustment. The ten day period may be extended by
the Board of Directors so long as the Rights are still redeemable. Under certain
circumstances set forth in the Rights Agreement, the decision to redeem will
require the concurrence of a majority of the Continuing Directors. Immediately
upon the action of the Board of Directors ordering redemption of the Rights,
with, where required, the concurrence of the Continuing Directors, the Rights
will terminate and the only right of the holders of Rights will be to receive
the redemption price.

         The term "Continuing Directors" means any member of the Board of
Directors of the Company who was a member of the Board prior to the date of the
Rights Agreement, and any person who is subsequently elected to the Board if
such person is recommended or approved by a majority of the Continuing
Directors, but shall not include an Acquiring Person, or an affiliate or
associate of an Acquiring Person, or any representative of the foregoing
entities.

         Until a Right is exercised, the holder thereof, as such, will have no
rights as a shareholder 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 shareholders or to the Company, shareholders may, depending upon
the circumstances, recognize taxable income in the event that the Rights become
exercisable for Common Shares (or other consideration) of the Company or for
common shares of the acquiring company as set forth above.

         Any of the provisions of the Rights Agreement may be amended by the
Board of Directors of the Company prior to the Distribution Date. After the
Distribution Date, the provisions of the Rights Agreement may be amended by the
Board (in certain circumstances, with the concurrence of the Continuing
Directors) in order to cure any ambiguity, to make changes that do not adversely
affect the interests of holders of Rights (excluding the interests of any
Acquiring Person), or to shorten or lengthen certain time periods under the
Rights Agreement; provided, however, that no amendment to adjust the time period
governing redemption shall be made at such time as the Rights are not
redeemable.

                                      -3-
<PAGE>

         A copy of the Rights Agreement has been filed with the Securities and
Exchange Commission. A copy of the Rights Agreement is available from the
Company. This summary description of the Rights does not purport to be complete
and is qualified in its entirety by reference to the Rights Agreement, which is
incorporated herein by reference.

                                      -4-




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