KYZEN CORP
8-A12B, 1999-01-15
SPECIALTY CLEANING, POLISHING AND SANITATION PREPARATIONS
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<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                    FORM 8-A

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



                                KYZEN CORPORATION
             (Exact Name of Registrant as Specified in Its Charter)
                         ------------------------------

                UTAH                                      87-0475115
       (State of Incorporation                         (I.R.S. Employer
            or Organization)                          Identification No.)

                          430 HARDING INDUSTRIAL DRIVE
                               NASHVILLE, TN 37211
                    (Address of Principal Executive Offices)
                              --------------------


          If this Form relates to the registration of a class of securities
pursuant to Section 12(b) of the Exchange Act and is effective pursuant to
General Instruction A.(c), check the following box. [X]

          If this Form relates to the registration of a class of securities
pursuant to Section 12(g) of the Exchange Act and is effective pursuant to
General Instruction A.(d), check the following box. [ ]

          Securities Act registration statement file number to which this form 
relates:  Not Applicable.

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

Title of Each Class                        Name Of Each Exchange On Which Each  
To Be So Registered                        Class Is To Be Registered:

                                           Boston Stock Exchange

Preferred Share Purchase Rights            Nasdaq
- --------------------------------------     -------------------------------------

Securities to be registered pursuant to Section 12(g) of the Act: 
Not Applicable.


<PAGE>   2



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

         On January 15, 1999, the Board of Directors of Kyzen Corporation (the
"Company") declared a dividend of one preferred share purchase right (a "Right")
for each share of Class A Common Stock, $.01 par value, of the Company (the
"Common Shares"). The Rights will be issued to holders of record of the Common
Shares on January 15, 1999 (the "Record Date"), and each Right will entitle the
registered holder to purchase from the Company one one-hundredth of a share of
Series A Junior Participating Preferred Stock, par value $.01 per share, of the
Company (the "Preferred Shares"), at a purchase price of $5.00 per Right (the
"Purchase Price"), subject to adjustment. The description and terms of the
Rights are set forth in a Rights Agreement dated as of January 15, 1999 (the
"Rights Agreement") between the Company and American Stock Transfer & Trust
Company, as rights agent.

         Initially, the Rights will be attached to all Common Share certificates
outstanding, and no separate certificates in respect of the Rights ("Rights
Certificates") will be distributed. Any Common Shares issued by the Company
following the Record Date will bear a legend indicating that the Rights are
attached to such Common Share certificates. Shares issued and owned by
shareholders prior to the Record Date will be deemed to have Rights attached.
The Rights will separate from the Common Shares upon the earlier of (i) 10 days
following a public announcement (the date of such announcement being the "Shares
Acquisition Date") that a person or group of affiliated or associated persons
has acquired, or obtained the right to acquire, beneficial ownership of 15% or
more of the outstanding Common Shares, excluding certain specified persons (such
person or group being an "Acquiring Person"), or (ii) 10 business days (or such
later date as may be determined by the Board of Directors) following the
commencement of, or an announcement of an intention to commence, a tender offer
or exchange offer that would result in a person or group becoming an Acquiring
Person (the earlier of (i) and (ii) being the "Distribution Date"). Until the
Distribution Date, (i) the Rights will be evidenced by the Common Share
certificates and will be transferred with and only with such certificates, (ii)
new Common Share certificates 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 certificates.

         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, only Common Shares issued prior to the Distribution Date
will be issued with Rights.

         The Rights are not exercisable until the Distribution Date and will
expire at the close of business on January 15, 2009 unless earlier redeemed or
extended by the Company.

         In the event that any person becomes an Acquiring Person, each holder
of a Right will thereafter have the right to receive, upon exercise, the number
of Common Shares (or, in certain circumstances, cash, property or other
securities of the Company) having a value 


                                       2

<PAGE>   3


equal to two times the Purchase Price. Notwithstanding the foregoing, following
the occurrence of an event set forth in this paragraph (a "Flip-in Event"), all
Rights that are, or (under certain circumstances specified in the Rights
Agreement) were, beneficially owned by any Acquiring Person will be null and
void. Rights are not exercisable following the occurrence of a Flip-in Event,
however, until such time as the Rights are no longer redeemable by the Company
as set forth below.

         In the event that, after such time as a person becomes an Acquiring
Person: (i) the Company engages in a merger or business combination transaction
in which the Company is not the surviving corporation; (ii) the Company engages
in a merger or business combination transaction in which the Company is the
surviving corporation and the Common Shares of the Company are changed or
exchanged; or (iii) 50% or more of the Company's assets or earning power is sold
or transferred, each holder of a Right (except Rights which have previously been
voided as set forth above) shall thereafter have the right to receive, upon
exercise of the Right, the number of common stock of the acquiring company
having a value equal to two times the Purchase Price.

         The Purchase Price payable, and the number of Preferred 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 Preferred
Shares, (ii) if holders of the Preferred Shares are granted certain rights or
warrants to subscribe for Preferred Shares or convertible securities at less
than the Current Market Price, as defined in the Rights Agreement, of the
Preferred Shares, or (iii) upon the distribution to holders of the Preferred
Shares of evidences of indebtedness or assets (excluding regular quarterly cash
dividends) or of subscription rights or warrants (other than those referred to
above).

         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 Rights will be issued and, in lieu thereof, an adjustment
in cash will be made based on the "market price" (as defined in the Rights
Agreement) of the Preferred Shares on the last trading date prior to the date of
exercise.

         Generally, before such time as any person becomes an Acquiring Person,
the Company may redeem the Rights in whole, but not in part, at a price of $.001
per Right (the "Redemption Price"). Immediately upon the action of the Board of
Directors ordering redemption of the Rights, the Rights will terminate and the
only right of the holders of Rights will be to receive the Redemption Price.

         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 stock of the acquiring company as set forth above, or are redeemed as
provided in the preceding paragraph.

         Before such time as any person becomes an Acquiring Person, any of the
provisions of the Rights Agreement may be amended by the Board of Directors
without the consent of 



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<PAGE>   4



the holders of the Rights, including lowering the threshold level of beneficial
ownership necessary to become an Acquiring Person to not less than the greater
of (i) the sum of .001% and the largest percentage of the outstanding Common
Shares then known to the Company to beneficially owned by any person or group of
affiliated or associated persons and (ii) 10%. After such time as any person
becomes an Acquiring Person, the provisions of the Rights Agreement may be
amended to make changes which do not adversely affect the interests of holders
of Rights.

         As of January 15, 1999, there were 5,006,781 Common Shares outstanding.
Each Common Share outstanding at the close of business on January 15, 1999 will
receive one Right. So long as the Rights are attached to the Common Shares, one
additional Right (as such number may be adjusted pursuant to the provisions of
the Rights Agreement) shall be deemed to be delivered for each Common Share
issued or transferred by the Company in the future. A total of 100,000 Preferred
Shares are initially reserved for issuance upon exercise of the Rights.

         The Rights may have certain anti-takeover effects. The Rights will
cause substantial dilution to a person or group that attempts to acquire the
Company on terms not approved in advance by the Board of Directors of the
Company. The Rights, however, should not affect any prospective offeror willing
to make an offer at a fair price and otherwise in the best interests of the
Company and its shareholders as determined by a majority of the Directors who
are not affiliated with the person making the offer. The Rights should not
interfere with any merger or other business combination approved by the Board of
Directors because the Board may, at its option, at any time until ten days
following the Shares Acquisition Date redeem all, but not less than all, of the
then outstanding Rights at the Redemption Price.

         The form of Rights Agreement is attached hereto as an exhibit and is
incorporated herein by reference. The foregoing description of the Rights is
qualified in its entirety by reference to such exhibit.

ITEM 2.           EXHIBITS.

         1.       Form of Rights Agreement, dated as of January 15, 1999,
                  between Kyzen Corporation and American Stock Transfer & Trust
                  Company, as Rights Agent, including the form of Articles of
                  Amendment to the Articles of Incorporation, setting forth the
                  terms of the Series A Junior Participating Preferred Stock,
                  par value $.01 per share, as Exhibit A, the form of Right
                  Certificate as Exhibit B and the Summary of Rights to Purchase
                  Preferred Shares as Exhibit C. Pursuant to the Rights
                  Agreement, Right Certificates will not be mailed until after
                  the Distribution Date.




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<PAGE>   5



                                    SIGNATURE

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

                                    KYZEN CORPORATION


                                    By:  /s/ Kyle J. Doyel         
                                         -------------------------------------
                                         Kyle J. Doyel
                                         President and Chief Executive Officer


Date: January 15, 1999








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<PAGE>   6



                                  EXHIBIT INDEX


EXHIBIT NO.                               DESCRIPTION
- -----------                               -----------  
      1.          Form of Rights Agreement, dated as of January 15, 1999,
                  between Kyzen Corporation and American Stock Transfer & Trust
                  Company, as Rights Agent, including the form of Articles of
                  Amendment to the Articles of Incorporation, setting forth the
                  terms of the Series A Junior Participating Preferred Stock,
                  par value $.01 per share, as Exhibit A, the form of Right
                  Certificate as Exhibit B and the Summary of Rights to Purchase
                  Preferred Shares as Exhibit C. Pursuant to the Rights
                  Agreement, Right Certificates will not be mailed until after
                  the Distribution Date.





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<PAGE>   1
                                                                       EXHIBIT 1



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







                                KYZEN CORPORATION



                                       AND



                     AMERICAN STOCK TRANSFER & TRUST COMPANY



                                 AS RIGHTS AGENT


                                    FORM OF

                                RIGHTS AGREEMENT



                          DATED AS OF JANUARY 15, 1999

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



<PAGE>   2



                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                            Page

<S>                                                                                                         <C>
Section 1.   Definitions.....................................................................................1

Section 2.   Appointment of Rights Agent.....................................................................8

Section 3.   Issue of Right Certificates.....................................................................9

Section 4.   Form of Right Certificates.....................................................................11

Section 5.   Countersignature and Registration..............................................................12

Section 6.   Transfer, Split Up, Combination and Exchange of Right Certificates; Mutilated,
             Destroyed, Lost or Stolen Right Certificates...................................................13

Section 7.   Exercise of Rights; Purchase Price; Expiration Date of Rights..................................14

Section 8.   Cancellation and Destruction of Right Certificates.............................................16

Section 9.   Availability of Preferred Shares...............................................................16

Section 10.  Preferred Shares Record Date...................................................................17

Section 11.  Adjustment of Purchase Price, Number of Shares or Number of Rights.............................18

Section 12.  Certificate of Adjusted Purchase Price or Number of Shares.....................................29

Section 13.  Consolidation, Merger or Sale or Transfer of Assets or Earning Power...........................29

Section 14.  Fractional Rights and Fractional Shares........................................................31

Section 15.  Rights of Action...............................................................................33

Section 16.  Agreement of Right Holders.....................................................................33

Section 17.  Right Certificate Holder Not Deemed a Stockholder..............................................34

Section 18.  Concerning the Rights Agent....................................................................35

Section 19.  Merger or Consolidation or Change of Name of Rights Agent......................................35
</TABLE>




 
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<PAGE>   3

<TABLE>
<S>                                                                                                         <C>
Section 20.  Duties of Rights Agent.........................................................................37

Section 21.  Change of Rights Agent.........................................................................39

Section 22.  Issuance of New Right Certificates.............................................................41

Section 23.  Redemption.....................................................................................41

Section 24.  Exchange.......................................................................................42

Section 25.  Notice of Certain Events.......................................................................44

Section 26.  Notices........................................................................................46

Section 27.  Supplements and Amendments.....................................................................46

Section 28.  Successors.....................................................................................47

Section 29.  Benefits of this Agreement.....................................................................48

Section 30.  Severability...................................................................................48

Section 31.  Governing Law..................................................................................48

Section 32.  Counterparts...................................................................................48

Section 33.  Descriptive Headings...........................................................................48
</TABLE>


Exhibit A   -   Form of Certificate of Designations

Exhibit B   -   Form of Right Certificate

Exhibit C   -   Summary of Rights to Purchase Preferred Shares




                                       ii
<PAGE>   4



                  Agreement, dated as of January 15, 1999 between Kyzen
Corporation, a Utah corporation (the "Company"), and American Stock Transfer &
Trust Company, as rights agent (the "Rights Agent").

                  The Board of Directors of the Company has authorized and
declared a dividend of one preferred share purchase right (a "Right") for each
Common Share (as hereinafter defined) of the Company outstanding on January 15,
1999 (the "Record Date"), each Right representing the right to purchase one
one-hundredth of a Preferred Share (as hereinafter defined), upon the terms and
subject to the conditions herein set forth, and has further authorized and
directed the issuance of one Right with respect to each Common Share that shall
become outstanding between the Record Date and the earliest of the Distribution
Date, the Redemption Date and the Final Expiration Date (as such terms are
hereinafter defined).

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

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

                  (a) "Acquiring Person" shall mean any Person who or which,
together with all Affiliates and Associates of such Person, shall be the
Beneficial Owner of 15% or more of the Common Shares of the Company then
outstanding, but shall not include: (i) the Company, (ii) any Subsidiary of the
Company, (iii) any employee benefit plan of the Company or any Subsidiary of the
Company, or (iv) any entity holding Common Shares for or pursuant to the terms
of any such plan, and (v) Christopher B. Cannon ("Cannon"), 







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<PAGE>   5

based on his beneficial ownership of Common Shares of the Company on the
effective date of this Agreement; provided, however, that if Cannon, together
with all Affiliates and Associates of Cannon (the "Cannon Group"), shall become
the Beneficial Owner of more than the Permissible Amount of Common Shares of the
Company then outstanding, then such person shall be deemed to be an "Acquiring
Person." 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 Common Shares of the Company outstanding, increases
the proportionate number of Common Shares of the Company beneficially owned by
such Person to 15% or more of the Common Shares of the Company then outstanding
or increases the proportionate number of Common Shares of the Company
beneficially owned by the Cannon Group to the Permissible Amount or more of the
Common Shares of the Company; provided, however, that, if a Person shall become
the Beneficial Owner of 15% or more of the Common Shares of the Company then
outstanding, or if the Cannon Group shall become the Beneficial Owner of more
than the Permissible Amount of Common Shares of the Company then outstanding, by
reason of share purchases by the Company and shall, after such share purchases
by the Company, become the Beneficial Owner of any additional Common Shares of
the Company, then such Person shall be deemed to be an "Acquiring Person."
Notwithstanding the foregoing, if the Board of Directors of the Company
determines in good faith that a Person who would otherwise be an "Acquiring
Person," as defined pursuant to the foregoing provisions of this paragraph (a),
has become such inadvertently, and such Person divests as promptly as
practicable a sufficient number of Common Shares so that such Person would no
longer be an "Acquiring Person," as defined pursuant to the foregoing provisions
of this paragraph (a), then such 






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<PAGE>   6

Person shall not be deemed to be an "Acquiring Person" for any purposes of this
Agreement.

                  (b) "Adverse Person" shall mean any Person declared to be an
Adverse Person by the Board of Directors of the Company upon its determination
that such Person, alone or together with its Affiliates and Associates, has, at
any time on or after the date hereof, become the Beneficial Owner of a number of
Common Shares which the Board of Directors of the Company determines to be
substantial (which number shall in no event represent less than 10% of the
Common Shares then outstanding) and a determination by the Board of Directors of
the Company, after reasonable inquiry and investigation, including consultation
with such Persons as such directors shall deem appropriate and consideration of
such factors as are permitted by applicable law, that (a) such Beneficial
Ownership by such Person is intended to cause the Company to repurchase the
Common Shares beneficially owned by such Person or to cause pressure on the
Company to take action or enter into a transaction or series of transactions
intended to provide such Person with short-term financial gain under
circumstances where the Board of Directors determines that the best long-term
interests of the Company would not be served by taking such action or entering
into such transaction or series of transactions at the time or (b) such
Beneficial Ownership is causing or reasonably likely to cause a material adverse
impact (including, but not limited to, impairment of the Company's ability to
maintain its competitive position) on the business, financial condition,
competitive position or prospects of the Company.








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<PAGE>   7

                  (c) "Affiliate" shall have the meaning ascribed to such term
in Rule 12b-2 of the General Rules and Regulations under the Exchange Act as in
effect on the date of this Agreement.

                  (d) "Associate" shall have the meaning ascribed to such term
in Rule 12b-2 of the General Rules and Regulations under the Exchange Act as in
effect on the date of this Agreement.

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

                  (i) which such Person or any of such Person's Affiliates or
         Associates beneficially owns, directly or indirectly;

                  (ii) which such Person or any of such Person's Affiliates or
         Associates has (A) the right to acquire (whether such right is
         exercisable immediately or only after the passage of time or the
         satisfaction of a condition or the occurrence of a subsequent event)
         pursuant to any agreement, arrangement or understanding (other than
         customary agreements with and between underwriters and selling group
         members with respect to a bona fide public offering of securities), or
         upon the exercise of conversion rights, exchange rights, rights (other
         than these Rights), warrants or options, or otherwise; provided,
         however, that a Person shall not be deemed the Beneficial Owner of, or
         to beneficially own, securities tendered pursuant to a tender or
         exchange offer made by or on behalf of such Person or any of such
         Person's Affiliates or Associates until such tendered securities are
         accepted for purchase or exchange; or (B) the right to vote pursuant to
         any agreement, arrangement or understanding; provided, however, that a
         Person shall not be 






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<PAGE>   8

         deemed the Beneficial Owner of, or to beneficially own, any security if
         the agreement, arrangement or understanding to vote such security (1)
         arises solely from a revocable proxy or consent given to such Person in
         response to a public proxy or consent solicitation made pursuant to,
         and in accordance with, the applicable rules and regulations
         promulgated under the Exchange Act and (2) is not also then reportable
         on Schedule 13D under the Exchange Act (or any comparable or successor
         report); or

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

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

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







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<PAGE>   9

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

                  (h) "Common Shares" when used with reference to the Company
shall mean the shares of common stock, par value $.01 per share, of the Company.
"Common Shares" when used with reference to any Person other than the Company
shall mean the capital stock (or equity interest) with the greatest voting power
of such other Person or, if such other Person is a Subsidiary of another Person,
the Person or Persons which ultimately control such first-mentioned Person.

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

                  (j) "Exchange Act" shall mean the Securities Exchange Act of
1934, as amended.

                  (k) "Exchange Ratio" shall have the meaning set forth in
Section 24(a) hereof.

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

                  (m) "Nasdaq" shall mean the National Association of Securities
Dealers, Inc. Automated Quotation System.

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







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<PAGE>   10

                  (o) "Permissible Amount" shall mean that number of Common
Shares of the Company beneficially owned at any time by the Cannon Group
expressed as a percentage of the outstanding Common Shares of the Company, set
forth below:

<TABLE>
<CAPTION>
                  Percentage of Outstanding Common
                  Shares of the Company Beneficially
                  Owned by the Cannon Group                                Permissible Amount
                  -------------------------                                ------------------

                  <S>                                                      <C>
                  22.4% or greater                                                 25%

                  More than 17.5% but less than 22.4%                              23%

                  More than 15% but less than 17.5%                                18%

                  15% or less                                                      15%
</TABLE>

                  The Permissible Amount shall be recalculated at any time that
the Cannon Group sells, transfers or otherwise disposes of any Common Shares of
the Company beneficially owned by the Cannon Group. Once decreased, the
Permissible Amount shall not increase.

                  (p) "Preferred Shares" shall mean shares of Series A Junior
Participating Preferred Stock, par value $.01 per share, of the Company having
the rights and preferences set forth in the Form of Certificate of Designations
attached to this Agreement as Exhibit A.

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

                  (r) "Record Date" shall have the meaning set forth in the
second paragraph hereof.

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







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<PAGE>   11

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

                  (u) "Right" shall have the meaning set forth in the second
paragraph hereof.

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

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

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

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

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

                  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 of the Company) in
accordance with the terms and conditions 





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<PAGE>   12

hereof, and the Rights Agent hereby accepts such appointment. The Company may
from time to time appoint such co-Rights Agents as it may deem necessary or
desirable.

                  Section 3. Issue of Right Certificates. (a) Until the earlier
of (i) the tenth day after the Shares Acquisition Date or (ii) the tenth
Business Day (or such later date as may be determined by action of the Board of
Directors of the Company prior to such time as any Person becomes an Acquiring
Person) after the date of the commencement by any Person (other than the
Company, any Subsidiary of the Company, any employee benefit plan of the Company
or of any Subsidiary of the Company or any entity holding Common Shares of the
Company for or pursuant to the terms of any such plan) of, or of the first
public announcement of the intention of any Person (other than the Company, any
Subsidiary of the Company, any employee benefit plan of the Company or of any
Subsidiary of the Company or any entity holding Common Shares of the Company for
or pursuant to the terms of any such plan) to commence, a tender or exchange
offer the consummation of which would result in any Person becoming an Acquiring
Person (including any such date which is after the date of this Agreement and
prior to the issuance of the Rights; the earlier of such dates being herein
referred to as the "Distribution Date"), (x) the Rights will be evidenced
(subject to the provisions of Section 3(b) hereof) by the certificates for
Common Shares of the Company registered in the names of the holders thereof
(which certificates shall also be deemed to be Right Certificates) and not by
separate Right Certificates, and (y) the right to receive Right Certificates
will be transferable only in connection with the transfer of Common Shares of
the Company. As soon as practicable after the Distribution Date, the Company
will prepare and execute, the Rights Agent will countersign, and the Company
will send or cause to be sent (and the Rights Agent will, if requested, send) by
first-class, insured, postage-prepaid mail, to each record holder of 






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<PAGE>   13

Common Shares of the Company as of the Close of Business on the Distribution
Date, at the address of such holder shown on the records of the Company, a Right
Certificate, in substantially the form of Exhibit B hereto (a "Right
Certificate"), evidencing one Right for each Common Share so held. As of the
Distribution Date, the Rights will be evidenced solely by such Right
Certificates.

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

                  (c) Certificates for Common Shares which become outstanding
(including, without limitation, reacquired Common Shares referred to in the last
sentence of this paragraph (c)) after the Record Date but prior to the earliest
of the Distribution Date, the Redemption Date or the Final Expiration Date shall
have impressed on, printed on, written on or otherwise affixed to them the
following legend:








                                       10
<PAGE>   14

         This certificate also evidences and entitles the holder hereof to
         certain rights as set forth in that certain Rights Agreement between
         Kyzen Corporation and American Stock Transfer & Trust Company, dated as
         of January 15, 1999, as it may be amended from time to time (the
         "Agreement"), the terms of which are hereby incorporated herein by
         reference and a copy of which is on file at the principal executive
         offices of Kyzen Corporation. Under certain circumstances, as set forth
         in the Agreement, such Rights (as defined in the Agreement) will be
         evidenced by separate certificates and will no longer be evidenced by
         this certificate. Kyzen Corporation will mail to the holder of this
         certificate a copy of the Agreement without charge after receipt of a
         written request therefor. As set forth in the Agreement, Rights
         beneficially owned by any Person (as defined in the Agreement) who
         becomes an Acquiring Person (as defined in the Agreement) become null
         and void.

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

                  Section 4. Form of Right Certificates. The Right Certificates
(and the forms of election to purchase Preferred Shares and of assignment to be
printed on the reverse thereof) shall be substantially the same as Exhibit B
hereto, and may have such marks of identification or designation and such
legends, summaries or endorsements printed thereon as the Company may deem
appropriate and as are not inconsistent with the provisions of this Agreement,
or as may be required to comply with any applicable law or with any applicable
rule or regulation made pursuant thereto or with any applicable 





                                       11
<PAGE>   15

rule or regulation of any stock exchange or the National Association of
Securities Dealers, Inc., or to conform to usage. Subject to the provisions of
Section 22 hereof, the Right Certificates shall entitle the holders thereof to
purchase such number of one one-hundredths of a Preferred Share as shall be set
forth therein at the price per one one-hundredth of a Preferred Share set forth
therein (the "Purchase Price"), but the number of such one one-hundredths of a
Preferred Share and the Purchase Price shall be subject to adjustment as
provided herein.

                  Section 5. Countersignature and Registration. The Right
Certificates shall be executed on behalf of the Company by its Chairman of the
Board, its Chief Executive Officer, its President, any of its Vice Presidents or
its Treasurer, either manually or by facsimile signature, shall have affixed
thereto the Company's seal or a facsimile thereof, and shall be attested by the
Secretary or an Assistant Secretary of the Company, either manually or by
facsimile signature. The Right Certificates shall be manually countersigned by
the Rights Agent and shall not be valid for any purpose unless countersigned. In
case any officer of the Company who shall have signed any of the Right
Certificates shall cease to be such officer of the Company before
countersignature by the Rights Agent and issuance and delivery by the Company,
such Right Certificates, nevertheless, may be countersigned by the Rights Agent
and issued and delivered by the Company with the same force and effect as though
the individual who signed such Right Certificates had not ceased to be such
officer of the Company; and any Right Certificate may be signed on behalf of the
Company by any individual who, at the actual date of the execution of such Right
Certificate, shall be a proper officer of the Company to sign such Right
Certificate, although at the date of the execution of this Agreement any such
individual was not such an officer.







                                       12
<PAGE>   16

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

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







                                       13
<PAGE>   17

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

                  Section 7. Exercise of Rights; Purchase Price; Expiration Date
of Rights. (a) The registered holder of any Right Certificate may exercise the
Rights evidenced thereby (except as otherwise provided herein), in whole or in
part, at any time after the Distribution Date, upon surrender of the Right
Certificate, with the form of election to purchase on the reverse side thereof
duly executed, to the Rights Agent at the principal office of the Rights Agent,
together with payment of the Purchase Price for each one one-hundredth of a
Preferred Share as to which the Rights are exercised, at or prior to the
earliest of (i) the Close of Business on January 15, 2009 (the "Final Expiration
Date"), (ii) the time at which the Rights are redeemed as provided in Section 23
hereof (the "Redemption Date"), or (iii) the time at which such Rights are
exchanged as provided in Section 24 hereof.

                  (b) The Purchase Price for each one one-hundredth of a
Preferred Share purchasable pursuant to the exercise of a Right shall initially
be $5.00, and shall be subject to adjustment from time to time as provided in
Section 11 or 13 hereof, and shall be






                                       14
<PAGE>   18

payable in lawful money of the United States of America in accordance with
paragraph (c) below.

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







                                       15
<PAGE>   19

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

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

                  Section 9. Availability of Preferred Shares. The Company
covenants and agrees that it will cause to be reserved and kept available out of
its authorized and unissued Preferred Shares or any Preferred Shares held in its
treasury the number of Preferred Shares that will be sufficient to permit the
exercise in full of all outstanding Rights in accordance with Section 7 hereof.
The Company covenants and agrees that it will take all such action as may be
necessary to ensure that all Preferred Shares delivered upon 





                                       16
<PAGE>   20

exercise of Rights shall, at the time of delivery of the certificates for such
Preferred Shares (subject to payment of the Purchase Price), be duly and validly
authorized and issued and fully paid and nonassessable shares.

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

                  Section 10. Preferred Shares Record Date. Each Person in whose
name any certificate for Preferred Shares is issued upon the exercise of Rights
shall for all purposes be deemed to have become the holder of record of the
Preferred Shares represented thereby on, and such certificate shall be dated,
the date upon which the Right Certificate evidencing such Rights was duly
surrendered and payment of the Purchase Price (and any applicable transfer
taxes) was made; provided, however, that, if the date of such surrender and
payment is a date upon which the Preferred Shares transfer books of the Company
are closed, such Person shall be deemed to have become the record holder of 







                                       17
<PAGE>   21

such shares on, and such certificate shall be dated, the next succeeding
Business Day on which the Preferred Shares transfer books of the Company are
open. Prior to the exercise of the Rights evidenced thereby, the holder of a
Right Certificate shall not be entitled to any rights of a holder of Preferred
Shares for which the Rights shall be exercisable, including, without limitation,
the right to vote, to receive dividends or other distributions or to exercise
any preemptive rights, and shall not be entitled to receive any notice of any
proceedings of the Company, except as provided herein.

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

                  (a) (i) In the event the Company shall at any time after the
date of this Agreement (A) declare a dividend on the Preferred Shares payable in
Preferred Shares, (B) subdivide the outstanding Preferred Shares, (C) combine
the outstanding Preferred Shares into a smaller number of Preferred Shares or
(D) issue any shares of its capital stock in a reclassification of the Preferred
Shares (including any such reclassification in connection with a consolidation
or merger in which the Company is the continuing or surviving corporation),
except as otherwise provided in this Section 11(a), the Purchase Price in effect
at the time of the record date for such dividend or of the effective date of
such subdivision, combination or reclassification, and the number and kind of
shares of capital stock issuable on such date, shall be proportionately adjusted
so that the holder of any Right exercised after such time shall be entitled to
receive the aggregate number and kind of shares of capital stock which, if such
Right had been exercised 





                                       18
<PAGE>   22

immediately prior to such date and at a time when the Preferred Shares transfer
books of the Company were open, such holder would have owned upon such exercise
and been entitled to receive by virtue of such dividend, subdivision,
combination or reclassification; provided, however, that in no event shall the
consideration to be paid upon the exercise of one Right be less than the
aggregate par value of the shares of capital stock of the Company issuable upon
exercise of one Right.

                  (ii) Subject to Section 24 hereof, in the event any Person
becomes an Acquiring Person, each holder of a Right shall thereafter have a
right to receive, upon exercise thereof at a price equal to the then current
Purchase Price multiplied by the number of one one-hundredths of a Preferred
Share for which a Right is then exercisable, in accordance with the terms of
this Agreement and in lieu of Preferred Shares, such number of Common Shares of
the Company as shall equal the result obtained by (A) multiplying the then
current Purchase Price by the number of one one-hundredths of a Preferred Share
for which a Right is then exercisable and dividing that product by (B) 50% of
the then current per share market price of the Common Shares of the Company
(determined pursuant to Section 11 (d) hereof) on the date of the occurrence of
such event. In the event that any Person shall become an Acquiring Person and
the Rights shall then be outstanding, the Company shall not take any action
which would eliminate or diminish the benefits intended to be afforded by the
Rights.

                  From and after the occurrence of such event, any Rights that
are or were acquired or beneficially owned by any Acquiring Person (or any
Associate or Affiliate of such Acquiring Person) shall be void, and any holder
of such Rights shall thereafter have no right to exercise such Rights under any
provision of this Agreement. No Right 





                                       19
<PAGE>   23

Certificate shall be issued pursuant to Section 3 hereof that represents Rights
beneficially owned by an Acquiring Person whose Rights would be void pursuant to
the preceding sentence or any Associate or Affiliate thereof; no Right
Certificate shall be issued at any time upon the transfer of any Rights to an
Acquiring Person whose Rights would be void pursuant to the preceding sentence
or any Associate or Affiliate thereof or to any nominee of such Acquiring
Person, Associate or Affiliate; and any Right Certificate delivered to the
Rights Agent for transfer to an Acquiring Person whose Rights would be void
pursuant to the preceding sentence shall be canceled.

                  (iii) In the event that there shall not be sufficient Common
Shares issued but not outstanding or authorized but unissued to permit the
exercise in full of the Rights in accordance with subparagraph (ii) above, the
Company shall take all such action as may be necessary to authorize additional
Common Shares for issuance upon exercise of the Rights. In the event the Company
shall, after good faith effort, be unable to take all such action as may be
necessary to authorize such additional Common Shares, the Company shall
substitute, for each Common Share that would otherwise be issuable upon exercise
of a Right, a number of Preferred Shares or fraction thereof such that the
current per share market price of one Preferred Share multiplied by such number
or fraction is equal to the current per share market price of one Common Share
as of the date of issuance of such Preferred Shares or fraction thereof.

                  (b) In case the Company shall fix a record date for the
issuance of rights, options or warrants to all holders of Preferred Shares
entitling them (for a period expiring within 45 calendar days after such record
date) to subscribe for or purchase Preferred Shares (or shares having the same
rights, privileges and preferences as the Preferred 






                                       20
<PAGE>   24

Shares ("equivalent preferred shares")) or securities convertible into Preferred
Shares or equivalent preferred shares at a price per Preferred Share or
equivalent preferred share (or having a conversion price per share, if a
security convertible into Preferred Shares or equivalent preferred shares) less
than the then current per share market price of the Preferred Shares (as defined
in Section 11(d)) on such record date, the Purchase Price to be in effect after
such record date shall be determined by multiplying the Purchase Price in effect
immediately prior to such record date by a fraction, the numerator of which
shall be the number of Preferred Shares outstanding on such record date plus the
number of Preferred Shares which the aggregate offering price of the total
number of Preferred Shares and/or equivalent preferred shares so to be offered
(and/or the aggregate initial conversion price of the convertible securities so
to be offered) would purchase at such current market price and the denominator
of which shall be the number of Preferred Shares outstanding on such record date
plus the number of additional Preferred Shares and/or equivalent preferred
shares to be offered for subscription or purchase (or into which the convertible
securities so to be offered are initially convertible); provided, however, that
in no event shall the consideration to be paid upon the exercise of one Right be
less than the aggregate par value of the shares of capital stock of the Company
issuable upon exercise of one Right. In case such subscription price may be paid
in a consideration part or all of which shall be in a form other than cash, the
value of such consideration shall be as determined in good faith by the Board of
Directors of the Company, whose determination shall be described in a statement
filed with the Rights Agent and shall be binding on the Rights Agent and holders
of the Rights. Preferred Shares owned by or held for the account of the Company
shall not be deemed outstanding for the purpose of any such computation. Such
adjustment shall be made successively whenever such a record date is fixed; and,
in 






                                       21
<PAGE>   25

the event that such rights, options or warrants are not so issued, the Purchase
Price shall be adjusted to be the Purchase Price which would then be in effect
if such record date had not been fixed.

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







                                       22
<PAGE>   26

                  (d) (i) For the purpose of any computation hereunder, the
"current per share market price" of any security (a "Security" for the purpose
of this Section 11(d)(i)) on any date shall be deemed to be the average of the
daily closing prices per share of such Security for the 30 consecutive Trading
Days immediately prior to such date; provided, however, that, in the event that
the current per share market price of the Security is determined during a period
following the announcement by the issuer of such Security of (A) a dividend or
distribution on such Security payable in shares of such Security or Securities
convertible into such shares, or (B) any subdivision, combination or
reclassification of such Security and prior to the expiration of 30 Trading Days
after the ex-dividend date for such dividend or distribution, or the record date
for such subdivision, combination or reclassification, then, and in each such
case, the current per share market price shall be appropriately adjusted to
reflect the current market price per share equivalent of such Security. The
closing price for each day shall be the last sale price, regular way, or, in
case no such sale takes place on such day, the average of the closing bid and
asked prices, regular way, in either case, as reported in the principal
consolidated transaction reporting system with respect to securities listed or
admitted to trading on the New York Stock Exchange or, if the Security is not
listed or admitted to trading on the New York Stock Exchange, as reported in the
principal consolidated transaction reporting system with respect to securities
listed on the principal national securities exchange on which the Security is
listed or admitted to trading or, if the Security is not listed or admitted to
trading on any national securities exchange, the last quoted price or, if not so
quoted, the average of the high bid and low asked prices in the over-the-counter
market, as reported by Nasdaq or such other system then in use, or, if on any
such date the Security is not quoted by any such organization, the average of
the closing bid and asked prices as 





                                       23
<PAGE>   27

furnished by a professional market maker making a market in the Security
selected by the Board of Directors of the Company. The term "Trading Day" shall
mean a day on which the principal national securities exchange on which the
Security is listed or admitted to trading is open for the transaction of
business, or, if the Security is not listed or admitted to trading on any
national securities exchange, a Business Day.

                  (ii) For the purpose of any computation hereunder, the
"current per share market price" of the Preferred Shares shall be determined in
accordance with the method set forth in Section 11(d)(i). If the Preferred
Shares are not publicly traded, the "current per share market price" of the
Preferred Shares shall be conclusively deemed to be the current per share market
price of the Common Shares as determined pursuant to Section 11(d)(i) hereof
(appropriately adjusted to reflect any stock split, stock dividend or similar
transaction occurring after the date hereof), multiplied by one hundred. If
neither the Common Shares nor the Preferred Shares are publicly held or so
listed or traded, "current per share market price" shall mean the fair value per
share as determined in good faith by the Board of Directors of the Company,
whose determination shall be described in a statement filed with the Rights
Agent.

                  (e) No adjustment in the Purchase Price shall be required
unless such adjustment would require an increase or decrease of at least 1% in
the Purchase Price; provided, however, that any adjustments which by reason of
this Section 11(e) are not required to be made shall be carried forward and
taken into account in any subsequent adjustment. All calculations under this
Section 11 shall be made to the nearest cent or to the nearest one one-millionth
of a Preferred Share or one ten-thousandth of any other share or security as the
case may be. Notwithstanding the first sentence of this Section 






                                       24
<PAGE>   28

11(e), any adjustment required by this Section 11 shall be made no later than
the earlier of (i) three years from the date of the transaction which requires
such adjustment or (ii) the date of the expiration of the right to exercise any
Rights.

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

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

                  (h) Unless the Company shall have exercised its election as
provided in Section 11 (i) hereof, upon each adjustment of the Purchase Price as
a result of the calculations made in Sections 11(b) and (c) hereof, each Right
outstanding immediately prior to the making of such adjustment shall thereafter
evidence the right to purchase, at the adjusted Purchase Price, that number of
one one-hundredths of a Preferred Share (calculated to the nearest one
one-millionth of a Preferred Share) obtained by (A) multiplying (x) the number
of one one-hundredths of a share covered by a Right 





                                       25
<PAGE>   29
immediately prior to this adjustment by (y) the Purchase Price in effect
immediately prior to such adjustment of the Purchase Price and (B) dividing the
product so obtained by the Purchase Price in effect immediately after such
adjustment of the Purchase Price.

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





                                       26
<PAGE>   30

and upon surrender thereof, if required by the Company, new Right Certificates
evidencing all the Rights to which such holders shall be entitled after such
adjustment. Right Certificates so to be distributed shall be issued, executed
and countersigned in the manner provided for herein, and shall be registered in
the names of the holders of record of Right Certificates on the record date
specified in the public announcement.

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

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

                  (l) In any case in which this Section 11 shall require that an
adjustment in the Purchase Price be made effective as of a record date for a
specified event, the Company may elect to defer until the occurrence of such
event the issuing to the holder of any Right exercised after such record date of
the Preferred Shares and other capital stock or securities of the Company, if
any, issuable upon such exercise over and above the Preferred Shares and other
capital stock or securities of the Company, if any, issuable upon such exercise
on the basis of the Purchase Price in effect prior to such adjustment; 






                                       27
<PAGE>   31

provided, however, that the Company shall deliver to such holder a due bill or
other appropriate instrument evidencing such holder's right to receive such
additional shares upon the occurrence of the event requiring such adjustment.

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

                  (n) In the event that, at any time after the date of this
Agreement and prior to the Distribution Date, the Company shall (i) declare or
pay any dividend on the Common Shares payable in Common Shares, or (ii) effect a
subdivision, combination or consolidation of the Common Shares (by
reclassification or otherwise than by payment of dividends in Common Shares)
into a greater or lesser number of Common Shares, then, in any such case, (A)
the number of one one-hundredths of a Preferred Share purchasable after such
event upon proper exercise of each Right shall be determined by multiplying the
number of one one-hundredths of a Preferred Share so purchasable immediately
prior to such event by a fraction, the numerator of which is the number of
Common Shares outstanding immediately before such event and the denominator of
which is the number of 






                                       28
<PAGE>   32

Common Shares outstanding immediately after such event, and (B) each Common
Share outstanding immediately after such event shall have issued with respect to
it that number of Rights which each Common Share outstanding immediately prior
to such event had issued with respect to it. The adjustments provided for in
this Section 11(n) shall be made successively whenever such a dividend is
declared or paid or such a subdivision, combination or consolidation is
effected.

                  Section 12. Certificate of Adjusted Purchase Price or Number
of Shares. Whenever an adjustment is made as provided in Section 11 or 13
hereof, the Company shall promptly (a) prepare a certificate setting forth such
adjustment and a brief statement of the facts accounting for such adjustment,
(b) file with the Rights Agent and with each transfer agent for the Common
Shares or the Preferred Shares and the Securities and Exchange Commission a copy
of such certificate and (c) if such adjustment occurs at any time after the
Distribution Date, mail a brief summary thereof to each holder of a Right
Certificate in accordance with Section 25 hereof.

                  Section 13. Consolidation, Merger or Sale or Transfer of
Assets or Earning Power. In the event, directly or indirectly, at any time after
a Person has become an Acquiring Person, (a) the Company shall consolidate with,
or merge with and into, any other Person, (b) any Person shall consolidate with
the Company, or merge with and into the Company and the Company shall be the
continuing or surviving corporation of such merger and, in connection with such
merger, all or part of the Common Shares shall be changed into or exchanged for
stock or other securities of any other Person (or the Company) or cash or any
other property, or (c) the Company shall sell or otherwise transfer (or one or
more of its Subsidiaries shall sell or otherwise transfer), in one or more






                                       29
<PAGE>   33

transactions, assets or earning power aggregating 50% or more of the assets or
earning power of the Company and its Subsidiaries (taken as a whole) to any
other Person other than the Company or one or more of its wholly-owned
Subsidiaries, then, and in each such case, proper provision shall be made so
that (i) each holder of a Right (except as otherwise provided herein) shall
thereafter have the right to receive, upon the exercise thereof at a price equal
to the then current Purchase Price multiplied by the number of one
one-hundredths of a Preferred Share for which a Right is then exercisable, in
accordance with the terms of this Agreement and in lieu of Preferred Shares,
such number of Common Shares of such other Person (including the Company as
successor thereto or as the surviving corporation) as shall equal the result
obtained by (A) multiplying the then current Purchase Price by the number of one
one-hundredths of a Preferred Share for which a Right is then exercisable and
dividing that product by (B) 50% of the then current per share market price of
the Common Shares of such other Person (determined pursuant to Section 11(d)
hereof) on the date of consummation of such consolidation, merger, sale or
transfer; (ii) the issuer of such Common Shares shall thereafter be liable for,
and shall assume, by virtue of such consolidation, merger, sale or transfer, all
the obligations and duties of the Company pursuant to this Agreement; (iii) the
term "Company" shall thereafter be deemed to refer to such issuer; and (iv) such
issuer shall take such steps (including, but not limited to, the reservation of
a sufficient number of its Common Shares in accordance with Section 9 hereof) in
connection with such consummation as may be necessary to assure that the
provisions hereof shall thereafter be applicable, as nearly as reasonably may
be, in relation to the Common Shares of the Company thereafter deliverable upon
the exercise of the Rights. The Company shall not consummate any such
consolidation, merger, sale or transfer unless, prior thereto, the Company and
such issuer 






                                       30
<PAGE>   34

shall have executed and delivered to the Rights Agent a supplemental agreement
so providing. The Company shall not enter into any transaction of the kind
referred to in this Section 13 if at the time of such transaction there are any
rights, warrants, instruments or securities outstanding or any agreements or
arrangements which, as a result of the consummation of such transaction, would
eliminate or substantially diminish the benefits intended to be afforded by the
Rights. The provisions of this Section 13 shall similarly apply to successive
mergers or consolidations or sales or other transfers.

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






                                       31
<PAGE>   35

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







                                       32
<PAGE>   36

                  (c) The holder of a Right, by the acceptance of the Right,
expressly waives such holder's right to receive any fractional Rights or any
fractional shares upon exercise of a Right (except as provided above).

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

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







                                       33
<PAGE>   37

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

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

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

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





                                       34
<PAGE>   38

Right or Rights evidenced by such Right Certificate shall have been exercised in
accordance with the provisions hereof.

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

                  The Rights Agent shall be protected and shall incur no
liability for, or in respect of any action taken, suffered or omitted by it in
connection with, its administration of this Agreement in reliance upon any Right
Certificate or certificate for the Preferred Shares or Common Shares or for
other securities of the Company, instrument of assignment or transfer, power of
attorney, endorsement, affidavit, letter, notice, direction, consent,
certificate, statement, or other paper or document believed by it to be genuine
and to be signed, executed and, where necessary, verified or acknowledged, by
the proper person or persons, or otherwise upon the advice of counsel as set
forth in Section 20 hereof.

                  Section 19. Merger or Consolidation or Change of Name of
Rights Agent. Any corporation into which the Rights Agent or any successor
Rights Agent may be merged or with which it may be consolidated, or any
corporation resulting from any merger or 






                                       35
<PAGE>   39

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

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







                                       36
<PAGE>   40

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

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

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

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

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







                                       37
<PAGE>   41

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

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

                  (g) The Rights Agent is hereby authorized and directed to
accept instructions with respect to the performance of its duties hereunder from
any one of the Chairman of the Board, the Chief Executive Officer, the
President, any Vice President, the 





                                       38
<PAGE>   42

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

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

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

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





                                       39
<PAGE>   43

successor Rights Agent, as the case may be, and to each transfer agent of the
Common Shares or Preferred Shares by registered or certified mail, and to the
holders of the Right Certificates by first-class mail. If the Rights Agent shall
resign or be removed or shall otherwise become incapable of acting, the Company
shall appoint a successor to the Rights Agent. If the Company shall fail to make
such appointment within a period of 30 days after giving notice of such removal
or after it has been notified in writing of such resignation or incapacity by
the resigning or incapacitated Rights Agent or by the holder of a Right
Certificate (which holder shall, with such notice, submit such holder's Right
Certificate for inspection by the Company), then the registered holder of any
Right Certificate may apply to any court of competent jurisdiction for the
appointment of a new Rights Agent. Any successor Rights Agent, whether appointed
by the Company or by such a court, shall be a corporation organized and doing
business under the laws of the United States or of the State of New York (or of
any other state of the United States so long as such corporation is authorized
to do business as a banking institution in the State of New York), in good
standing, having an office in the State of New York, which is authorized under
such laws to exercise corporate trust or stock transfer powers and is subject to
supervision or examination by federal or state authority and which has at the
time of its appointment as Rights Agent a combined capital and surplus of at
least $50 million. After appointment, the successor Rights Agent shall be vested
with the same powers, rights, duties and responsibilities as if it had been
originally named as Rights Agent without further act or deed; but the
predecessor Rights Agent shall deliver and transfer to the successor Rights
Agent any property at the time held by it hereunder, and execute and deliver any
further assurance, conveyance, act or deed necessary for the purpose. Not later
than the effective date of any such appointment, the Company shall file notice
thereof in writing with the 






                                       40
<PAGE>   44

predecessor Rights Agent and each transfer agent of the Common Shares or
Preferred Shares, and mail a notice thereof in writing to the registered holders
of the Right Certificates. Failure to give any notice provided for in this
Section 21, however, or any defect therein, shall not affect the legality or
validity of the resignation or removal of the Rights Agent or the appointment of
the successor Rights Agent, as the case may be.

                  Section 22. Issuance of New Right Certificates.
Notwithstanding any of the provisions of this Agreement or of the Rights to the
contrary, the Company may, at its option, issue new Right Certificates
evidencing Rights in such form as may be approved by the Board of Directors of
the Company to reflect any adjustment or change in the Purchase Price and the
number or kind or class of shares or other securities or property purchasable
under the Right Certificates made in accordance with the provisions of this
Agreement.

                  Section 23. Redemption. (a) The Board of Directors of the
Company may, at its option, at any time prior to such time as any Person becomes
an Acquiring Person, redeem all but not less than all the then outstanding
Rights at a redemption price of $.001 per Right, 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"). The redemption of the Rights by the Board of Directors of
the Company may be made effective at such time, on such basis and with such
conditions as the Board of Directors of the Company, in its sole discretion, may
establish.

                  (b) Immediately upon the action of the Board of Directors of
the Company ordering the redemption of the Rights pursuant to paragraph (a) of
this Section 23, and without any further action and without any notice, the
right to exercise the Rights will terminate and the only right thereafter of the
holders of Rights shall be to receive the 






                                       41
<PAGE>   45

Redemption Price. The Company shall promptly give public notice of any such
redemption; provided, however, that the failure to give, or any defect in, any
such notice shall not affect the validity of such redemption. Within 10 days
after such action of the Board of Directors of the Company ordering the
redemption of the Rights, the Company shall mail a notice of redemption to all
the holders of the then outstanding Rights at their last addresses as they
appear upon the registry books of the Rights Agent or, prior to the Distribution
Date, on the registry books of the transfer agent for the Common Shares. Any
notice which is mailed in the manner herein provided shall be deemed given,
whether or not the holder receives the notice. Each such notice of redemption
will state the method by which the payment of the Redemption Price will be made.
Neither the Company nor any of its Affiliates or Associates may redeem, acquire
or purchase for value any Rights at any time in any manner other than that
specifically set forth in this Section 23 or in Section 24 hereof, and other
than in connection with the purchase of Common Shares prior to the Distribution
Date.

                  Section 24. Exchange. (a) The Board of Directors of the
Company may, at its option, at any time after any Person becomes an Acquiring
Person, exchange all or part of the then outstanding and exercisable Rights
(which shall not include Rights that have become void pursuant to the provisions
of Section 11(a)(ii) hereof) for Common Shares at an exchange ratio of one
Common Share per Right, appropriately adjusted to reflect any adjustment in the
number of Rights pursuant to Section 11(i) (such exchange ratio being
hereinafter referred to as the "Exchange Ratio"). Notwithstanding the foregoing,
the Board of Directors of the Company shall not be empowered to effect such
exchange at any time after any Person (other than the Company, any Subsidiary of
the Company, any employee benefit plan of the Company or any such Subsidiary, or
any entity holding Common Shares 







                                       42
<PAGE>   46

for or pursuant to the terms of any such plan), together with all Affiliates and
Associates of such Person, becomes the Beneficial Owner of 50% or more of the
Common Shares then outstanding.

                  (b) Immediately upon the action of the Board of Directors of
the Company ordering the exchange of any Rights pursuant to paragraph (a) of
this Section 24 and without any further action and without any notice, the right
to exercise such Rights shall terminate and the only right thereafter of a
holder of such Rights shall be to receive that number of Common Shares equal to
the number of such Rights held by such holder multiplied by the Exchange Ratio.

                  The Company shall promptly give public notice of any such
exchange; provided, however, that the failure to give, or any defect in, such
notice shall not affect the validity of such exchange. The Company promptly
shall mail a notice of any such exchange to all of the holders of such Rights at
their last addresses as they appear upon the registry books of the Rights Agent.
Any notice which is mailed in the manner herein provided shall be deemed given,
whether or not the holder receives the notice. Each such notice of exchange will
state the method by which the exchange of the Common Shares for Rights will be
effected, and, in the event of any partial exchange, the number of Rights which
will be exchanged. Any partial exchange shall be effected pro rata based on the
number of Rights (other than Rights which have become void pursuant to the
provisions of Section 11(a)(ii) hereof) held by each holder of Rights.

                  (c) In the event that there shall not be sufficient Common
Shares issued but not outstanding or authorized but unissued to permit any
exchange of Rights as contemplated in accordance with this Section 24, the
Company shall take all such action as 






                                       43
<PAGE>   47

may be necessary to authorize additional Common Shares for issuance upon
exchange of the Rights. In the event the Company shall, after good faith effort,
be unable to take all such action as may be necessary to authorize such
additional Common Shares, the Company shall substitute, for each Common Share
that would otherwise be issuable upon exchange of a Right, a number of Preferred
Shares or fraction thereof such that the current per share market price of one
Preferred Share multiplied by such number or fraction is equal to the current
per share market price of one Common Share as of the date of issuance of such
Preferred Shares or fraction thereof.

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

                  Section 25. Notice of Certain Events. (a) In case the Company
shall, at any time after the Distribution Date, propose (i) to pay any dividend
payable in stock of any class to the holders of the Preferred Shares or to make
any other distribution to the holders of the Preferred Shares (other than a
regular quarterly cash dividend), (ii) to offer to the holders of the Preferred
Shares rights or warrants to subscribe for or to purchase any additional
Preferred Shares or shares of stock of any class or any other securities, 






                                       44
<PAGE>   48

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

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





                                       45
<PAGE>   49

which notice shall describe such event and the consequences of such event to
holders of Rights under Section 11(a)(ii) hereof.

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

                  Kyzen Corporation
                  430 Harding Industrial Drive
                  Nashville, TN  37211
                  Attention: Chief Executive Officer

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

                  American Stock Transfer & Trust Company
                  40 Wall Street
                  New York, New York  10005
                  Attention: ____________

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

                  Section 27. Supplements and Amendments. The Company may from
time to time supplement or amend this Agreement without the approval of any
holders of Right Certificates in order to cure any ambiguity, to correct or
supplement any provision 





                                       46
<PAGE>   50

contained herein which may be defective or inconsistent with any other
provisions herein, or to make any other provisions with respect to the Rights
which the Company may deem necessary or desirable, any such supplement or
amendment to be evidenced by a writing signed by the Company and the Rights
Agent; provided, however, that, from and after such time as any Person becomes
an Acquiring Person, this Agreement shall not be amended in any manner which
would adversely affect the interests of the holders of Rights. Without limiting
the foregoing, the Company may at any time prior to such time as any Person
becomes an Acquiring Person amend this Agreement to lower the thresholds set
forth in Section 1(a) hereof to not less than the greater of (a) the sum of
 .001% and the largest percentage of the outstanding Common Shares then known by
the Company to be beneficially owned by any Person (other than the Company, any
Subsidiary of the Company, any employee benefit plan of the Company or any
Subsidiary of the Company, any entity holding Common Shares for or pursuant to
the terms of any such plan, or the Cannon Group) and (b) 10%. The Company may
also at any time prior to such time as any Person becomes an Acquiring Person
amend this Agreement to lower the thresholds set forth in Section l(a) hereof
only for a Person who has been declared by the Board of Directors of the Company
to be an Adverse Person, and for no other Person, to not less than the greater
of (a) the sum of .001% and the percentage of the outstanding Common Shares then
known by the Company to be beneficially owned by such Adverse Person and (b)
10%.

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







                                       47
<PAGE>   51

                  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 Right Certificates (and, prior to
the Distribution Date, the Common Shares) any legal or equitable right, remedy
or claim under this Agreement; but this Agreement shall be for the sole and
exclusive benefit of the Company, the Rights Agent and the registered holders of
the Right Certificates (and, prior to the Distribution Date, the Common Shares).

                  Section 30. Severability. If any term, provision, covenant or
restriction of this Agreement is held by a court of competent jurisdiction or
other authority to be invalid, void or unenforceable, the remainder of the
terms, provisions, covenants and restrictions of this Agreement shall remain in
full force and effect and shall in no way be affected, impaired or invalidated.

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

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

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







                                       48
<PAGE>   52

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

Attest:                                 KYZEN CORPORATION



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


Attest:                                 AMERICAN STOCK TRANSFER & TRUST COMPANY



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











                                       49
<PAGE>   53



                                                                       Exhibit A

                                      FORM

                                       of

                              ARTICLES OF AMENDMENT

                        to the Articles of Incorporation

                                       of

                                KYZEN CORPORATION

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

                  Pursuant to the provisions of Section 16-10-602 of the Utah
Revised Business Corporation Act, the undersigned corporation adopts the
following Articles of Amendment to its Articles of Incorporation:

                  First: The name of the corporation is Kyzen Corporation (the
"Corporation").

                  Second: The following new Article XII shall be added to the
Corporation's Articles of Incorporation:

                                   ARTICLE XII

                  Series A Junior Participating Preferred Stock

                  Section 1. Designation and Amount. The shares of such series
shall be designated as "Series A Junior Participating Preferred Stock" (the
"Series A Preferred Stock") and the number of shares constituting the Series A
Preferred Stock shall be 100,000. Such number of shares may be increased or
decreased by resolution of the Board of Directors; provided, that no decrease
shall reduce the number of shares of Series A Preferred Stock to a number less
than the number of shares then outstanding plus the number of shares reserved
for issuance upon the exercise of outstanding options, rights or warrants or
upon the conversion of any outstanding securities issued by the Corporation
convertible into Series A Preferred Stock.

                  Section 2. Dividends and Distributions.

                  (A) Subject to the rights of the holders of any shares of any
         series of Preferred Stock (or any similar stock) ranking prior and
         superior to the Series A Preferred Stock with respect to dividends, the
         holders of shares of Series A Preferred Stock, in preference to the
         holders of Common Stock, par value $.01 per share (the "Common Stock"),
         of the Corporation, and of any other junior stock, shall be entitled to
         receive, when, as and if declared by the Board of Directors out of
         funds legally available for the purpose, quarterly dividends payable in
         cash on the first day of March, June, September and December in each
         year (each such date being referred to herein as a "Quarterly Dividend
         Payment Date"), commencing on 






                                      A-1
<PAGE>   54

         the first Quarterly Dividend Payment Date after the first issuance of a
         share or fraction of a share of Series A Preferred Stock, in an amount
         per share (rounded to the nearest cent) equal to the greater of (a) $1
         or (b) subject to the provision for adjustment hereinafter set forth,
         100 times the aggregate per share amount of all cash dividends, and 100
         times the aggregate per share amount (payable in kind) of all noncash
         dividends or other distributions, other than a dividend payable in
         shares of Common Stock or a subdivision of the outstanding shares of
         Common Stock (by reclassification or otherwise), declared on the Common
         Stock since the immediately preceding Quarterly Dividend Payment Date
         or, with respect to the first Quarterly Dividend Payment Date, since
         the first issuance of any share or fraction of a share of Series A
         Preferred Stock. In the event the Corporation shall at any time declare
         or pay any dividend on the Common Stock payable in shares of Common
         Stock, or effect a subdivision or combination or consolidation of the
         outstanding shares of Common Stock (by reclassification or otherwise
         than by payment of a dividend in shares of Common Stock) into a greater
         or lesser number of shares of Common Stock, then in each such case the
         amount to which holders of shares of Series A Preferred Stock were
         entitled immediately prior to such event under clause (b) of the
         preceding sentence shall be adjusted by multiplying such amount by a
         fraction, the numerator of which is the number of shares of Common
         Stock outstanding immediately after such event and the denominator of
         which is the number of shares of Common Stock that were outstanding
         immediately prior to such event.

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

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





                                      A-2
<PAGE>   55

         Preferred Stock entitled to receive payment of a dividend or
         distribution declared thereon, which record date shall be not more than
         60 days prior to the date fixed for the payment thereof.

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

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

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

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

                  Section 4. Certain Restrictions.

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

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

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






                                      A-3
<PAGE>   56

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

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

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

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

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

                  Section 6. Liquidation, Dissolution or Winding Up. Upon any
liquidation, dissolution or winding up of the Corporation, no distribution shall
be made (1) to the holders of shares of stock ranking junior (either as to
dividends or upon liquidation, dissolution or winding up) to the Series A
Preferred Stock unless, prior thereto, the holders of shares of Series A
Preferred Stock shall have received $100 per share, plus an amount equal to
accrued and unpaid dividends and distributions thereon, whether or not declared,
to the date of such payment, provided that the holders of shares of Series A
Preferred Stock shall be entitled to receive an aggregate amount per share,
subject to the provision for adjustment hereinafter set forth, equal to 100
times the aggregate amount to be distributed per share to holders of shares of
Common Stock, or (2) to the holders of shares of stock ranking on a parity
(either as to dividends or upon liquidation, dissolution or winding up) with the
Series A Preferred Stock, except distributions made ratably on the Series A
Preferred Stock and all such parity stock in proportion to the total amounts to







                                      A-4
<PAGE>   57

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

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

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

                  Section 9. Rank. The Series A Preferred Stock shall rank, with
respect to the payment of dividends and the distribution of assets, junior to
all series of any other class of the Corporation's Preferred Stock.

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

                  Third: The amendments to the Corporation's Articles of
Incorporation contained in these Articles of Amendment were adopted by the Board
of Directors at a meeting duly called and held on January 15, 1999.







                                      A-5
<PAGE>   58

                  Fourth: The amendments to the Corporation's Articles of
Incorporation contained in these Articles of Amendment were adopted by the Board
of Directors without shareholder action, which was not required.

                  IN WITNESS WHEREOF, these Articles of Amendment are executed
on behalf of the Corporation by its Chief Executive Officer and attested by its
Secretary this ____ day of January, 1999.



                                       ----------------------------------------
                                         Chief Executive Officer and President

Attest:



- -------------------------------
Secretary












                                      A-6
<PAGE>   59

                                                                       Exhibit B


                            Form of Right Certificate

Certificate No. R-                                             _____ Rights

         NOT EXERCISABLE AFTER JANUARY 15, 2009 OR EARLIER IF REDEMPTION OR
         EXCHANGE OCCURS. THE RIGHTS ARE SUBJECT TO REDEMPTION AT $.001 PER
         RIGHT AND TO EXCHANGE ON THE TERMS SET FORTH IN THE AGREEMENT.

                                Right Certificate

                                KYZEN CORPORATION

                  This certifies that ____________, or registered assigns, is
the registered owner of the number of Rights set forth above, each of which
entitles the owner thereof, subject to the terms, provisions and conditions of
the Agreement, dated as of January 15, 1999 (the "Agreement"), between Kyzen
Corporation, a Utah corporation (the "Company"), and American Stock Transfer &
Trust Company (the "Rights Agent"), to purchase from the Company at any time
after the Distribution Date (as such term is defined in the Agreement) and prior
to 5:00 P.M., New York City time, on January 15, 2009 at the principal office of
the Rights Agent, or at the office of its successor as Rights Agent, one
one-hundredth of a fully paid non-assessable share of Series A Junior
Participating Preferred Stock, par value $.01 per share, of the Company (the
"Preferred Shares"), at a purchase price of $5.00 per one one-hundredth of a
Preferred Share (the "Purchase Price"), upon presentation and surrender of this
Right Certificate with the Form of Election to Purchase duly executed. The
number of Rights evidenced by this Right Certificate (and the number of one
one-hundredths of a Preferred Share which may be purchased upon exercise hereof)
set forth above, and the Purchase Price set forth above, are the number and
Purchase Price as of January 15, 1999, based on the Preferred Shares as
constituted at such date. As provided in the Agreement, the Purchase Price and
the number of one one-hundredths of a Preferred Share which may be purchased
upon the exercise of the Rights evidenced by this Right Certificate are subject
to modification and adjustment upon the happening of certain events.

                  This Right Certificate is subject to all of the terms,
provisions and conditions of the Agreement, which terms, provisions and
conditions are hereby incorporated herein by reference and made a part hereof
and to which Agreement reference is hereby made for a full description of the
rights, limitations of rights, obligations, duties and immunities hereunder of
the Rights Agent, the Company and the holders of the Right Certificates. Copies
of the Agreement are on file at the principal executive offices of the Company
and the offices of the Rights Agent.

                  This Right Certificate, with or without other Right
Certificates, upon surrender at the principal office of the Rights Agent, may be
exchanged for another Right Certificate or Right Certificates of like tenor and
date evidencing Rights entitling the holder to purchase a like aggregate number
of Preferred Shares as the Rights evidenced by 








                                      B-1
<PAGE>   60

the Right Certificate or Right Certificates surrendered shall have entitled such
holder to purchase. If this Right Certificate shall be exercised in part, the
holder shall be entitled to receive upon surrender hereof another Right
Certificate or Right Certificates for the number of whole Rights not exercised.

                  Subject to the provisions of the Agreement, the Rights
evidenced by this Right Certificate (i) may be redeemed by the Company at a
redemption price of $.001 per Right or (ii) may be exchanged in whole or in part
for Preferred Shares or shares of the Company's Common Stock, par value $.01 per
share.

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

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

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

                  WITNESS the facsimile signature of the proper officers of the
Company and its corporate seal. Dated as of January ___, 1999.

ATTEST:                                 KYZEN CORPORATION

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


AMERICAN STOCK TRANSFER & TRUST COMPANY

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









                                      B-2
<PAGE>   61



                    Form of Reverse Side of Right Certificate



                               FORM OF ASSIGNMENT

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

                  FOR VALUE RECEIVED ____________________ hereby sells, assigns
and transfers unto _____________________________________________________________

________________________________________________________________________________
                  (Please print name and address of transferee)

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

Dated: __________________                    
    


                                        ________________________________________
                                        Signature



Signature Guaranteed:

                  Signatures must be guaranteed by an eligible guarantor
institution (a bank, stock broker, savings and loan association or credit union
with membership in an approved signature guarantee medallion program) pursuant
to Rule 17ad-15 of the Securities Exchange Act of 1934.

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

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


                                        ________________________________________
                                        Signature


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








                                      B-3
<PAGE>   62



             Form of Reverse Side of Right Certificate -- continued

                          FORM OF ELECTION TO PURCHASE
                                        
                 (To be executed if holder desires to exercise
                 Rights represented by the Right Certificate.)

To:  KYZEN CORPORATION

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

Please insert social security
or other identifying number

________________________________________________________________________________
                         (Please print name and address)
________________________________________________________________________________

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

Please insert social security
or other identifying number

________________________________________________________________________________
                         (Please print name and address)

________________________________________________________________________________


Dated: __________________                    




                                        ________________________________________
                                        Signature











                                      B-4
<PAGE>   63



Signature Guaranteed:

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

________________________________________________________________________________

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


                                        ________________________________________
                                        Signature

________________________________________________________________________________

                                     NOTICE

         The signature in the Form of Assignment or Form of Election to
Purchase, as the case may be, must conform to the name as written upon the face
of this Right Certificate in every particular, without alteration or enlargement
or any change whatsoever.

         In the event the certification set forth above in the Form of
Assignment or the Form of Election to Purchase, as the case may be, is not
completed, the Company and the Rights Agent will deem the beneficial owner of
the Rights evidenced by this Right Certificate to be an Acquiring Person or an
Affiliate or Associate thereof (as defined in the Agreement) and such Assignment
or Election to Purchase will not be honored.










                                      B-5
<PAGE>   64


                                                                       Exhibit C

                          SUMMARY OF RIGHTS TO PURCHASE
                                PREFERRED SHARES

Introduction

         On January 15, 1999, the Board of Directors of Kyzen Corporation (the
"Company") declared a dividend of one preferred share purchase right (a "Right")
for each outstanding share of common stock, par value $.01 per share, of the
Company (the "Common Shares"). The dividend is payable on January 15, 1999 (the
"Record Date") to the stockholders of record on that date. The description and
terms of the Rights are set forth in that certain Rights Agreement dated as of
January 15, 1999 (the "Agreement"), between the Company and American Stock
Transfer & Trust Company, as rights agent (the "Rights Agent").

Purchase Price

         Each Right entitles the registered holder to purchase from the Company
one one-hundredth of a share of Series A Junior Participating Preferred Stock of
the Company, par value $.01 per share (the "Preferred Shares"), at a price of
$5.00 per one one-hundredth of a Preferred Share (the "Purchase Price"), subject
to adjustment.

Flip-In

         An "Acquiring Person" is any person or group of affiliated or
associated persons that acquires beneficial ownership of 15% or more of the
outstanding Common Shares, excluding Christopher B. Cannon, unless he and a
group of affiliates or associates become the beneficial owner of more than a
specific percentage of the outstanding Common Shares. In the event that any
person or group of affiliated or associated persons becomes an Acquiring Person,
each holder of a Right, other than Rights beneficially owned by the Acquiring
Person (which will thereafter be void), will thereafter have the right to
receive upon exercise that number of Common Shares having a market value of two
times the exercise price of the Right.

Flip-Over

         If the Company is acquired in a merger or other business combination
transaction or 50% or more of its consolidated assets or earning power are sold
after a person or group has become an Acquiring Person, each holder of a Right
(other than Rights beneficially owned by Acquiring Person, which will be void)
will thereafter have the right to receive that number of shares of common stock
of the acquiring company which at the time of such transaction will have a
market value of two times the exercise price of the Right.








                                      C-1
<PAGE>   65

Distribution Date

         The distribution date is the earlier of

                  (i) 10 days following a public announcement that a person or
group of affiliated or associated persons has become an Acquiring Person; or

                  (ii) 10 business days (or such later date as may be determined
by action of the Board of Directors of the Company prior to such time as any
person or group of affiliated persons becomes an Acquiring Person) following the
commencement of, or announcement of an intention to make, a tender offer or
exchange offer the consummation of which would result in a person or group of
affiliated or associated persons becoming an Acquiring Person.

Transfer and Detachment

         Until the Distribution Date, the Rights will be evidenced, with respect
to any of the Common Share certificates outstanding as of the Record Date, by
such Common Share certificate with a copy of this Summary of Rights attached
thereto. Until the Distribution Date (or earlier redemption or expiration of the
Rights), the Rights will be transferred with and only with the Common Shares,
and transfer of those certificates will also constitute transfer of these
Rights.

         As soon as practicable following the Distribution Date, separate
certificates evidencing the Rights ("Right Certificates") will be mailed to
holders of record of the Common Shares as of the close of business on the
Distribution Date and such separate Right Certificates alone will thereafter
evidence the Rights.

Exercisability

         The Rights are not exercisable until the Distribution Date. The Rights
will expire on January 15, 2009 (the "Final Expiration Date"), unless the Final
Expiration Date is extended or unless the Rights are earlier redeemed or
exchanged by the Company, in each case, as described below.

Adjustments

         The Purchase Price payable, and the number of Preferred Shares or other
securities or property issuable, upon exercise of the Rights are subject to
adjustment from time to time to prevent dilution in the event of stock
dividends, stock splits, reclassifications, or certain distributions with
respect to the Preferred Shares. The number of outstanding Rights and the number
of one one-hundredths of a Preferred Share issuable upon exercise of each Right
are also subject to adjustment if, prior to the Distribution Date, there is a
stock split of the Common Shares or a stock dividend on the Common Shares
payable in Common Shares or subdivisions, consolidations or combinations of the
Common Shares. With certain exceptions, no adjustment in the Purchase Price will
be required until cumulative adjustments require an adjustment of at least 1% in
such Purchase Price. No fractional Preferred Shares will be issued (other than
fractions which are integral multiples of one one-hundredth of a Preferred
Share, which may, at the election of the 





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Company, be evidenced by depositary receipts) and, in lieu thereof, an
adjustment in cash will be made based on the "market price" (as defined in the
Agreement) of the Preferred Shares on the last trading day prior to the date of
exercise.

Preferred Shares

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

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

Exchange

         At any time after any person or group becomes an Acquiring Person, and
prior to the acquisition by such person or group of 50% or more of the
outstanding Common Shares, the Board of Directors of the Company may exchange
the Rights (other than Rights owned by the Acquiring Person, which will have
become void), in whole or in part, at an exchange ratio of one Common Share, or
one one-hundredth of a Preferred Share (subject to adjustment).

Redemption

         At any time prior to any person or group becoming an Acquiring Person,
the Board of Directors of the Company may redeem the Rights in whole, but not in
part, at a price of $.001 per Right (the "Redemption Price"). The redemption of
the Rights may be made effective at such time on such basis with such conditions
as the Board of Directors in its sole discretion may establish. Immediately upon
any redemption of the Rights, the right to exercise the Rights will terminate
and the only right of the holders of Rights will be to receive the Redemption
Price.

Amendments

         The terms of the Rights may be amended by the Board of Directors of the
Company without the consent of the holders of the Rights, including an amendment
to lower certain thresholds described above for all holders of the Rights, or
only for a holder that the Board of Directors of the Company has determined to
be an Adverse Person, to not less than the greater of (i) the sum of .001% and
the largest percentage of the outstanding 





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Common Shares then known to the Company to be beneficially owned by any person
or group of affiliated or associated persons, other than Christopher B. Cannon
together with his affiliates and associates, (or, in the case of an Adverse
Person determination, the percentage of Common Shares then known to the Company
to be beneficially owned by such Adverse Person) and (ii) 10%, except that from
and after such time as any person or group of affiliated or associated persons
becomes an Acquiring Person no such amendment may adversely affect the interests
of the holders of the Rights.

Rights and Holders

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

Further Information

         A copy of the Agreement has been filed with the Securities and Exchange
Commission as an Exhibit to a Registration Statement on Form 8-A dated January
15, 1999. A copy of the Agreement is available free of charge from the Company.
This summary description of the Rights does not purport to be complete and is
qualified in its entirety by reference to the Agreement, which is hereby
incorporated herein by reference.












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