SCHEIN HENRY INC
8-A12G, 1998-12-21
CATALOG & MAIL-ORDER HOUSES
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<PAGE>



                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   ----------


                                    FORM 8-A

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

                               HENRY SCHEIN, INC.
             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)


                 Delaware                                  11-3136595
- ----------------------------------------       ---------------------------------
(State of incorporation or organization)       (IRS Employer Identification No.)

      135 Duryea Road, Melville, NY                             11747
- ----------------------------------------                    ------------
(Address of principal executive offices)                     (Zip Code)

     Securities to be registered pursuant to Section 12(b) of the Act: None

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

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


<PAGE>

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

         On November 30, 1998, the Board of Directors of Henry Schein, Inc. (the
"Corporation" or the "Company") declared a dividend distribution of one right (a
"Right") to purchase one-tenth of a share of the Common Stock, $.01 par value,
of the Corporation (the "Common Shares") for each outstanding share of Common
Stock, payable to the stockholders of record on December 14, 1998 (the "Record
Date"). The Board of Directors also authorized and directed the issuance of one
Right with respect to each Common Share issued thereafter until the Distribution
Date (as defined below) and, in certain circumstances, with respect to Common
Shares issued after the Distribution Date. Except as set forth below, each
Right, when it becomes exercisable, entitles the registered holder to purchase
from the Corporation one-tenth of a Common Share at a price of $185 per whole
Common Share (the "Purchase Price"), subject to adjustment. The description and
terms of the Rights are set forth in a Rights Agreement (the "Rights Agreement")
between the Corporation and Continental Stock Transfer & Trust Company, as
Rights Agent (the "Rights Agent"), dated as of November 30, 1998.

         Initially, the Rights will be attached to all certificates representing
Common Shares then outstanding, and no separate Right Certificates will be
distributed. The Rights will separate from the Common Shares upon the earliest
to occur of (i) a person or entity (a "Person") or group of affiliated or
associated Persons (a "Group") having acquired beneficial ownership of 15% or
more of the outstanding Common Shares (except pursuant to a Permitted Offer, as
hereinafter defined); or (ii) 10 business days (or such later date as the Board
of Directors may determine) 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 becoming an Acquiring Person (as hereinafter
defined) (the earliest of such dates being called the "Distribution Date"). A
Person or Group whose acquisition of Common Shares causes a Distribution Date
pursuant to clause (i) above is an "Acquiring Person." The date that a Person or
Group becomes an Acquiring Person is the "Shares Acquisition Date."

          Notwithstanding the foregoing, certain stockholders who currently own
in excess of 15% of the outstanding Common Shares and their affiliates and
associates ("Grandfathered Stockholders") will not be deemed to be Acquiring
Persons and their ownership will not cause a Distribution Date unless they
acquire additional Common Shares equal to more than 20% of the number of Common
Shares owned by them on the date of the Rights Agreement. Grandfathered
Stockholders may transfer some or all of the Common Shares which they
beneficially own to any Person that does not, prior to such transfer,
beneficially own more than 1% of the outstanding shares.

         In addition, a Person who acquires Common Shares pursuant to a tender
or exchange offer which is for all outstanding Common Shares at a price and on
terms which the Board of Directors determines (prior to acquisition) to be
adequate and in the best interests of the Corporation and its stockholders
(other than such Person, its affiliates and associates) (a "Permitted Offer")
will not be deemed to be an Acquiring Person and such Person's ownership 



                                       2
<PAGE>

will not constitute a Distribution Date. Furthermore, no party to the Amended
and Restated HSI Agreement, dated as of February 10, 1994, as amended (the "HSI
Agreement"), the Voting Trust dated September 30, 1994, as amended, or any of
the Restructuring Agreements (as defined in the HSI Agreement) will be deemed,
by virtue of such agreements, to be the beneficial owner of any of the Common
Shares beneficially owned by any of the other parties thereto, and such
agreements shall not be deemed to cause the parties thereto to be considered a
group for purposes of the definition of Acquiring Person.

         The Rights Agreement provides that, until the Distribution Date, the
Rights will be transferred with and only with the Common Shares. Until the
Distribution Date (or earlier redemption or expiration of the Rights), new
Common Share certificates issued after the Record Date upon the transfer or new
issuance of Common Shares will contain a notation incorporating the Rights
Agreement by reference. Until the Distribution Date (or earlier redemption or
expiration of the Rights), the surrender for transfer of any certificates for
Common Shares outstanding as of the Record Date, even without such notation or a
copy of this Summary of Rights being attached thereto, will also constitute the
transfer of the Rights associated with the Common Shares represented by such
certificate. As soon as practicable following the Distribution Date, separate
certificates evidencing the Rights ("Right Certificates") will be mailed to
holders of record of the Common Shares as of the close of business on the
Distribution Date (and to each initial record holder of certain Common Shares
issued after the Distribution Date), and such separate Right Certificates alone
will evidence the Rights.

         The Rights are not exercisable until the Distribution Date, and will
expire at the close of business on November 30, 2008, unless earlier redeemed by
the Corporation as described below.

         In the event that any person becomes an Acquiring Person, each holder
of Rights (other than Rights that have become null and void as described below)
will thereafter have the right (the "Flip-In Right") to receive, upon exercise
of such Rights, the number of Common Shares (or, in certain circumstances, other
securities of the Corporation) having a value (immediately prior to such
triggering event) equal to two times the aggregate exercise price of such
Rights. For example, if a Person became an Acquiring person at a time when the
current per share market price of the Corporation's Common Shares is $37 (and
prior to any antidilution adjustment as described below), each holder of a Right
(other than a Right which has become null and void as described herein) would
have the right to receive upon the exercise of the Right ten Common Shares upon
the payment of an exercise price of $185.

         The Board, at its option, may exchange each Right (other than those
that have become null and void as described below) for one Common Share in lieu
of the Flip-In Right, provided no Person is the beneficial owner of 50% or more
of the Common Shares at the time of such exchange. Notwithstanding the
foregoing, following the occurrence of the event described above, all Rights
that are or (under certain circumstances specified in the Rights Agreement) were
beneficially owned by any Acquiring Person or any affiliate or associate thereof
or certain transferees thereof will be null and void.



                                       3
<PAGE>

         In the event that, at any time following the Shares Acquisition Date,
(i) the Corporation is acquired in a merger or other business combination
transaction in which the holders of all of the outstanding Common Shares
immediately prior to the consummation of the transaction are not the holders of
all of the surviving corporation's voting power, or (ii) more than 50% of the
Corporation's assets or earning power is sold or transferred, then each holder
of Rights (except Rights which previously have been voided as set forth above)
shall thereafter have the right (the "Flip-Over Right") to receive, upon
exercise of such Rights, common shares of the acquiring company (or in certain
circumstances, its parent) having a value equal to two times the aggregate
exercise price of the Rights; provided, however, that the Flip Over Right shall
not apply to any transaction described in clause (i) if (x) such transaction is
with a Person or Persons (or a wholly owned subsidiary of any such Person or
Persons) that acquired Common Shares pursuant to a Permitted Offer and (y) the
price and form of consideration offered in such transaction is the same as that
paid to all holders of Common Shares whose shares were purchased pursuant to the
Permitted Offer. The holder of a Right will continue to have the Flip-Over Right
whether or not such holder exercises or surrenders the Flip-In Right.

         The Purchase Price payable, and the number of Common Shares or other
securities issuable, upon exercise of the Rights are subject to adjustment from
time to time to prevent dilution (i) in the event of a stock dividend on, or a
subdivision, combination or reclassification of, the Common Shares, (ii) upon
the grant to holders of the Common Shares of certain rights or warrants to
subscribe for or purchase Common Shares at a price, or securities convertible
into Common Shares with a conversion price, less than the then current market
price of the Common Shares, or (iii) upon the distribution to holders of the
Common Shares of evidences of indebtedness or assets (excluding regular
quarterly 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 require an adjustment of at least 1% in
such Purchase Price. No fractional Common Shares will be issued and, in lieu
thereof, an adjustment in cash will be made based on the market price of the
Common Shares on the last trading day prior to the date of exercise.

         At any time prior to the earlier to occur of (i) a person becoming an
Acquiring Person or (ii) the expiration of the Rights, the Corporation may
redeem the Rights in whole, but not in part, at a price of $.01 per Right (the
"Redemption Price"), which redemption shall be effective at such time, on such
basis and with such conditions as the Board of Directors may establish in its
sole discretion. The Corporation may, at its option, pay the Redemption Price in
Common Shares.

         All of the provisions of the Rights Agreement may be amended by the
Board of Directors prior to the Distribution Date. After the Distribution Date,
the provisions of the Rights Agreement may be amended by the Board in order to
cure any ambiguity, defect or inconsistency, to make changes which do not
adversely affect the interests of holders of Rights 


                                       4
<PAGE>

(excluding the interests of any Acquiring Person), or, subject to certain
limitations, to shorten or lengthen any time period under the Rights Agreement.

         Until a Right is exercised, the holder thereof, as such, will have no
rights as a stockholder of the Corporation, including, without limitation, the
right to vote or to receive dividends. While the distribution of the Rights will
not be taxable to stockholders of the Corporation, stockholders may, depending
upon the circumstances, recognize taxable income should the Rights become
exercisable or upon the occurrence of certain events thereafter.

         The Rights 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 by the Board of Directors. The Rights should not interfere
with any merger or other business combination approved by the Board of
Directors, as the Rights may be redeemed by the Corporation at $.01 per Right
prior to the time that a person or group has acquired beneficial ownership of
15% or more of the Common Shares, and, moreover, are not triggered by a
Permitted Offer approved by the Board of Directors as described herein.

         The 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.

4.1      Rights Agreement dated as of November 30, 1998 between Henry Schein,
         Inc. and Continental Stock Transfer and Trust Company, as Rights Agent,
         with the form of Right Certificate attached as Exhibit A thereto and
         the Summary of Rights to Purchase Shares attached as Exhibit B thereto.
         Pursuant to the Rights Agreement, printed Right Certificates will not
         be mailed until as soon as practicable after the earlier of the date of
         public announcement that a person or group has acquired beneficial
         ownership of 15% or more of the Common Shares or the tenth business day
         (or such later date as may be determined by action of the Corporation's
         Board of Directors) after a person commences or announces its intention
         to commence a tender or exchange offer the consummation of which would
         result in the beneficial ownership by a person or group of 15% or more
         of the Common Shares.


                                       5
<PAGE>

                                    SIGNATURE

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

Dated:  December 15, 1998

                                         HENRY SCHEIN, INC.

                                         By:  /s/ Mark E. Mlotek
                                              ---------------------------------
                                              Name:    Mark E. Mlotek
                                              Title:   Vice President, General
                                                       Counsel and Secretary


                                       6
<PAGE>

                                  EXHIBIT LIST

4.1      Rights Agreement dated as of November 30, 1998 between Henry Schein,
         Inc. and Continental Stock Transfer and Trust Company, as Rights Agent,
         with the form of Right Certificate attached as Exhibit A thereto and
         the Summary of Rights to Purchase Shares attached as Exhibit B thereto.
         Pursuant to the Rights Agreement, printed Right Certificates will not
         be mailed until as soon as practicable after the earlier of the date of
         public announcement that a person or group has acquired beneficial
         ownership of 15% or more of the Common Shares or the tenth business day
         (or such later date as may be determined by action of the Corporation's
         Board of Directors) after a person commences or announces its intention
         to commence a tender or exchange offer the consummation of which would
         result in the beneficial ownership by a person or group of 15% or more
         of the Common Shares.

                                      7



<PAGE>


                                RIGHTS AGREEMENT

                                   dated as of

                                November 30, 1998

                                     between

                               HENRY SCHEIN, INC.

                                       and

                   CONTINENTAL STOCK TRANSFER & TRUST COMPANY

                                 as Rights Agent


<PAGE>


                                TABLE OF CONTENTS

<TABLE>
<S>               <C>                                                                                             <C>

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

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

Section 3.        Issue of Right Certificates.....................................................................4

Section 4.        Form of Right Certificate.......................................................................5

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

Section 6.        Transfer, Split-up, Combination and Exchange of Right Certificates; Mutilated, Destroyed, Lost
                  or Stolen Right Certificate.....................................................................6

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

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

Section 9.        Reservation and Availability of Common Shares...................................................8

Section 10.       Common Shares Record Date.......................................................................9

Section 11.       Adjustment of Purchase Price, Number and Kind of Shares or Number of Rights.....................9

Section 12.       Certificate of Adjusted Purchase Price or Number of Shares.....................................14

Section 13.       Consolidation, Merger or Sale or Transfer of Assets or Earning Power...........................14

Section 14.       Fractional Rights and Fractional Shares........................................................16

Section 15.       Rights of Action...............................................................................17

Section 16.       Agreement of Right Holders.....................................................................17

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

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

Section 19.       Merger or Consolidation or Change of Name of Rights Agent......................................18

Section 20.       Duties of Rights Agent.........................................................................18

Section 21.       Change of Rights Agent.........................................................................20

Section 22.       Issuance of New Right Certificates.............................................................21

Section 23.       Redemption and Termination.....................................................................21

</TABLE>



                                       i
<PAGE>

<TABLE>
<S>               <C>                                                                                            <C>
Section 24.       Exchange.......................................................................................21

Section 25.       Notice of Certain Events.......................................................................22

Section 26.       Notices........................................................................................23

Section 27.       Supplements and Amendments.....................................................................23

Section 28.       Determination and Actions by the Board of Directors of the Corporation, etc....................24

Section 29.       Successors.....................................................................................24

Section 30.       Benefits of this Agreement.....................................................................24

Section 31.       Severability...................................................................................24

Section 32.       Governing Law..................................................................................24

Section 33.       Counterparts...................................................................................25

Section 34.       Descriptive Headings...........................................................................25

</TABLE>




                                       ii
<PAGE>

Defined Term Cross Reference Sheet

Acquiring Person............................................. Section 1(a)
Act.......................................................... Section 1(b)
Adjustment Shares............................................ Section 11(a)(ii)
Affiliate.................................................... Section 1(c)
Agreement.................................................... Preface
Associate.................................................... Section 1(c)
Beneficial Owner............................................. Section 1(d)
beneficially own............................................. Section 1(d)
Board of Directors........................................... Section 1(e)
Business Day................................................. Section 1(f)
common share equivalent...................................... Section 11(a)(iii)
Close of business............................................ Section 1(g)
Common Shares................................................ Section 1(h)
Corporation.................................................. Preface
current per share market price............................... Section 11(d)
Distribution Date............................................ Section 1(i)
equivalent common shares..................................... Section 11(b)
Exchange Act................................................. Section 1(j)
Exchange Ratio............................................... Section 24(a)
Final Expiration Date........................................ Section 7(a)
Grandfathered Stockholder.................................... Section 1(l)
Permitted Offer.............................................. Section 1(m)
Permitted Transfer........................................... Section 1(n)
Permitted Transferee......................................... Section 1(o)
Person....................................................... Section 1(p)
Principal Party.............................................. Section 13(b)
Proposing Person............................................. Section 1(q)
Purchase Price............................................... Section 4(a)
Record Date.................................................. Preface
Redemption Date.............................................. Section 7(a)
Redemption Price............................................. Section 23(a)
Right........................................................ Preface
Right Certificate............................................ Section 3(a)
Rights Agent................................................. Preface
Rights Agreement............................................. Section 3(c)
Section 11(a)(ii) Event...................................... Section 1(s)
Section 13 Event............................................. Section 1(t)
Security..................................................... Section 11(d)
Shares Acquisition Date...................................... Section 1(u)
Subsidiary................................................... Section 1(v)
Substitution Period.......................................... Section 11(a)(iii)
Summary of Rights............................................ Section 3(b)
then outstanding............................................. Section 1(d)
Trading Day.................................................. Section 11(d)
Transfer..................................................... Section 1(w)
Triggering Event............................................. Section 1(x)
voting securities............................................ Section 13(a)

                                       iii
<PAGE>

                                RIGHTS AGREEMENT

                  RIGHTS AGREEMENT, dated as of November 30, 1998 (the
"Agreement"), between Henry Schein, Inc., a Delaware corporation (the
"Corporation") and Continental Stock Transfer & Trust Company (the "Rights
Agent").

                                    RECITALS

                  The Board of Directors of the Corporation has authorized and
declared a dividend of one right (a "Right") for each Common Share (as
hereinafter defined) of the Corporation outstanding at the close of business on
December 14, 1998 (the "Record Date"), each Right representing the right to
purchase one-tenth of a Common Share, 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 or Final Expiration Date (as such terms are hereinafter
defined); provided, however, that Rights may be issued with respect to Common
Shares that shall become outstanding after the Distribution Date and prior to
the earlier of the Redemption Date and the Final Expiration Date in accordance
with the provisions of Section 22 of this Agreement.

                                  AGREEMENT

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

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

                  (a) "Acquiring Person" shall mean any Person who or which,
together with all Affiliates and Associates of such Person, shall be the
Beneficial Owner of 15% or more of the then outstanding Common Shares (other
than as a result of a Permitted Offer (as hereinafter defined)) or was such a
Beneficial Owner at any time after the Close of Business on the date hereof,
whether or not such Person continues to be the Beneficial Owner of 15% or more
of the then outstanding Common Shares. Notwithstanding the foregoing, (A) the
term "Acquiring Person" shall not include (i) the Corporation, (ii) any
Subsidiary of the Corporation, (iii) any employee benefit plan of the
Corporation or of any Subsidiary of the Corporation, (iv) any Person or entity
organized, appointed or established by the Corporation for or pursuant to the
terms of any such plan, or (v) any Grandfathered Stockholder and (B) no Person
(including, without limitation, any Grandfathered Stockholder) shall become an
"Acquiring Person" (and no Grandfathered Stockholder shall cease to be a
Grandfathered Stockholder):

                           (i)      as a result of the acquisition of Common 
Shares by the Corporation which, by reducing the number of Common Shares
outstanding, increases the proportional number of shares beneficially owned by
such Person together with all Affiliates and Associates of such Person; provided
that if (1) a Person (including, without limitation, any Grandfathered
Stockholder) would be or become an Acquiring Person (but for the operation of
this subclause (i)) as a result of the acquisition of Common Shares by the
Corporation, and (2) after such share acquisition by the Corporation, such
Person, or an Affiliate or Associate of such Person, becomes the Beneficial
Owner of any additional Common Shares, then such Person shall be deemed an
Acquiring Person; or



<PAGE>

                           (ii) if the Board of Directors determines in good
faith that a Person who would otherwise be an "Acquiring Person" has become such
inadvertently, and such Person (A) does not attempt to exercise any control over
the business affairs or management of the Corporation, including by means of a
proxy solicitation, and (B) divests as promptly as practicable a sufficient
number of Common Shares so that such Person would no longer be an "Acquiring
Person", then such Person shall not be deemed an "Acquiring Person" for any
purposes of this Agreement.

                  (b) "Act" shall mean the Securities Act of 1933, as amended
and as in effect on the date of this Agreement.

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

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

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

                                    (B) which such Person or any of such
Person's Affiliates or Associates has (1) the right to acquire (whether such
right is exercisable immediately or only after the passage of time) pursuant to
any agreement, arrangement or understanding, or upon the exercise of conversion
rights, exchange rights, rights (other than the Rights), warrants or options, or
otherwise; provided, however, that a Person shall not be deemed the Beneficial
Owner of, or to beneficially own, securities tendered pursuant to a tender or
exchange offer made by 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 (2) the right to vote pursuant to any agreement,
arrangement or understanding; provided, however, that a Person shall not be
deemed the Beneficial Owner of, or to beneficially own, any security if the
agreement, arrangement or understanding to vote such security (x) 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 (y) is
not also then reportable on Schedule 13D under the Exchange Act (or any
comparable or successor report); or

                                    (C) which are beneficially owned, directly
or indirectly, by any other Person (or any Affiliate or Associate thereof) with
which such Person (or any of such Person's Affiliates or Associates) has any
agreement, arrangement or understanding (other than an agreement to Transfer to
a proposed Permitted Transferee those Common Shares subject to such proposed
Permitted Transfer and customary agreements with and between underwriters and
selling group members with respect to a bona fide public offering of securities)
relating to the acquisition, holding, voting (except to the extent contemplated
by the proviso to Section 1(d)(ii)(B)) or disposing of any securities of the
Corporation.

                           (ii)  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
Corporation, 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.

                           (iii) Notwithstanding anything in this Agreement to
the contrary, no party to the Amended and Restated HSI Agreement, dated as of
February 10, 1994, as amended (the "HSI Agreement"), the Voting Trust dated
September 30, 1994, as amended, or any of the Restructuring Agreements (as
defined 


                                       2
<PAGE>

in the HSI Agreement) will be deemed, by virtue of such agreements, to
be the beneficial owner of any of the Common Shares beneficially owned by any of
the other parties thereto. Furthermore, such agreements shall not be deemed to
cause the parties thereto to be considered a group for purposes of the
definitions of Affiliate, Associate or Acquiring Person.

                  (e) "Board of Directors" shall mean the Board of Directors of 
the Corporation from time to time.

                  (f) "Business Day" shall mean any day other than a Saturday,
Sunday, federal holiday or day on which commercial banks are authorized or
required to close in New York City.

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

                  (h) "Common Shares" when used with reference to the
Corporation shall mean the shares of Common Stock, par value $.01, of the
Corporation or, in the event of a subdivision, combination or consolidation with
respect to such shares of Common Stock, the shares of Common Stock resulting
from such subdivision, combination or consolidation. "Common Shares" when used
with reference to any Person other than the Corporation 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 hereof.

                  (j) "Exchange Act" means the Securities and Exchange Act of
1934, as amended.

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

                  (l) "Grandfathered Stockholder" shall mean (i) any Person who
or which, alone or together with any Affiliates or Associates of such Person, at
the Close of Business on the date hereof, shall be the Beneficial Owner of 15%
or more of the Common Shares of the Corporation then outstanding, and (ii) any
Permitted Transferee; provided, however, that any Grandfathered Stockholder
shall cease to be a Grandfathered Stockholder at the time such Person, alone or
together with any Affiliate or Associate of such Person, beneficially owns
additional Common Shares (other than as a result of a stock dividend, stock
split or reclassification) equal to more than 20% of the number of Common Shares
(as adjusted to reflect any stock dividend, stock split or reclassification)
beneficially owned by such Person (or, in the case of any Permitted Transferee,
beneficially owned by the original Grandfathered Stockholder) at the Close of
Business on the date hereof.

                  (m) "Permitted Offer" shall mean a tender or exchange offer
which is for all outstanding Common Shares at a price and on terms determined,
prior to the purchase of shares under such tender or exchange offer, by the
Board of Directors to be adequate (taking into account all factors that such
directors deem relevant) and otherwise in the best interests of the Corporation
and its stockholders (other than the Person or any Affiliate or Associate
thereof on whose basis the offer is being made) taking into account all factors
that such directors may deem relevant.

                  (n) "Permitted Transfer" means any Transfer of Beneficial
Ownership of some or all of the Common Shares beneficially owned by a
Grandfathered Stockholder to any Person that does not beneficially own, after
giving effect to such Transfer and any contemporaneous Transfer, any Common
Shares other than (i) the Common Shares transferred by such Grandfathered
Stockholder to such Person in 


                                       3
<PAGE>

such Transfer and (ii) any additional Common Shares, not exceeding 1% of the
then outstanding Common Shares in the aggregate.

                  (o) "Permitted Transferee" means any transferee of Common
Shares pursuant to a Permitted Transfer.

                  (p) "Person" shall mean any individual, firm, partnership,
limited liability company, corporation, trust, association, joint venture or
other entity, and shall include any successor (by merger or otherwise) of such
entity.

                  (q) "Proposing Person" means any Person proposing or
attempting to effect a business combination, tender offer, exchange offer or
similar transaction with the Corporation or its stockholders, including, without
limitation, a merger, tender offer or exchange offer, sale of substantially all
of the Corporation's assets, or liquidation of the Corporation's assets.

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

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

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

                  (u) "Shares Acquisition Date" shall mean the first date of
public announcement (which, for purposes of this definition, shall include,
without limitation, a report filed pursuant to the Exchange Act) by the
Corporation or an Acquiring Person that an Acquiring Person has become such;
provided, that, if such Person is determined not to have become an Acquiring
Person pursuant to Section 1(a)(ii) hereof, then no Shares Acquisition Date
shall be deemed to have occurred.

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

                  (w) "Transfer" shall mean any sale, assignment, transfer or
other disposition.

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

                  Section 2. Appointment of Rights Agent. The Corporation hereby
appoints the Rights Agent to act as agent for the Corporation in accordance with
the terms and conditions hereof, and the Rights Agent hereby accepts such
appointment. The Corporation 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 Shares Acquisition Date or (ii) the Close of Business on the tenth
Business Day (or such later date as may be determined by action of the
Corporation's Board of Directors) after the date of the commencement by any
Person (other than the Corporation, any Subsidiary of the Corporation, any
employee benefit plan of the Corporation or of any Subsidiary of the Corporation
or any Person or entity organized, appointed or established by the Corporation
for or pursuant to the terms of such plan) of a tender or exchange offer the
consummation of which would result in any Person becoming an Acquiring Person
(including, in the case of both (i) and (ii), 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 registered 


                                       4
<PAGE>

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 Rights Certificates will be transferable only in connection with the
transfer of the underlying Common Shares (including a transfer to the
Corporation); provided, however, that if a tender offer is terminated prior to
the occurrence of a Distribution Date, then no Distribution Date shall occur as
a result of such tender offer. As soon as practicable after the Distribution
Date, the Corporation will prepare and execute, the Rights Agent will
countersign and the Corporation will send or cause to be sent by first-class,
postage-prepaid mail, to each record holder of Common Shares as of the close of
business on the Distribution Date, at the address of such holder shown on the
records of the Corporation, a Right Certificate, substantially in the form of
Exhibit A hereto (a "Right Certificate"), evidencing one Right for each Common
Share so held. As of and after the Distribution Date, the Rights will be
evidenced solely by such Right Certificates.

                  (b) As promptly as practicable following the Record Date, the
Corporation will send a copy of a Summary of Rights to Purchase Common Shares in
the form of Exhibit B 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 Corporation. With respect to certificates for Common Shares outstanding
as of the Record Date, until the Distribution Date, the Rights will be evidenced
by such certificates registered in the names of the holders thereof together
with 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 outstanding on the
Record Date shall also constitute the transfer of the Rights associated with
such Common Shares.

                  (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, and the Redemption Date or the Final Expiration Date
shall be deemed also to be certificates for Rights, and shall bear the following
legend:

                           This certificate also evidences and entitles the
                  holder hereof to certain rights as set forth in a Rights
                  Agreement between Henry Schein, Inc. and Continental Stock
                  Transfer & Trust Company, dated as of November 30, 1998 (the
                  "Rights Agreement"), the terms of which are hereby
                  incorporated herein by reference and a copy of which is on
                  file at the principal executive offices of Henry Schein, Inc.
                  Under certain circumstances, as set forth in the Rights
                  Agreement, such Rights will be evidenced by separate
                  certificates and will no longer be evidenced by this
                  certificate. Henry Schein, Inc. will mail to the holder of
                  this certificate a copy of the Rights Agreement without charge
                  after receipt of a written request therefor. Under certain
                  circumstances set forth in the Rights Agreement, Rights issued
                  to, or held by, any Person who is, was or becomes an Acquiring
                  Person or an Affiliate or Associate thereof (as defined in the
                  Rights Agreement) and certain related persons, whether
                  currently held by or on behalf of such Person or by any
                  subsequent holder, may become null and void.

                  With respect to such certificates containing the foregoing
legend, until the Distribution Date, the Rights associated with the Common
Shares represented by such certificates shall be evidenced by such certificates
alone, and the surrender for transfer of any such certificate shall also
constitute the transfer of the Rights associated with the Common Shares
represented thereby. In the event that the Corporation purchases or acquires any
Common Shares after the Record Date but prior to the Distribution Date, any
Rights associated with such Common Shares shall be deemed canceled and retired
so that the Corporation 


                                       5
<PAGE>

shall not be entitled to exercise any Rights associated with the Common Shares
which are no longer outstanding.

                  Section 4. Form of Right Certificate. (a) The Right
Certificates (and the forms of election to purchase and of assignment to be
printed on the reverse thereof) shall be substantially in the form set forth in
Exhibit A hereto and may have such marks of identification or designation and
such legends, summaries or endorsements printed thereon as the Corporation may
deem appropriate and as are not inconsistent with the provisions of this
Agreement, or as may be required to comply with any applicable law or with any
rule or regulation made pursuant thereto or with any rule or regulation of any
stock exchange on which the Rights may from time to time be listed, or to
conform to usage. Subject to the provisions of Section 11 and Section 22 hereof,
the Right Certificates shall entitle the holders thereof to purchase such number
of tenths of a Common Share as shall be set forth therein at the price per
Common Share set forth therein (the "Purchase Price"), but the amount and type
of securities purchasable upon the exercise of each Right and the Purchase Price
thereof shall be subject to adjustment as provided herein.

                  (b) Any Right Certificate issued pursuant to Section 3(a) or
Section 22 hereof that represents Rights which are null and void pursuant to
Section 7(e) of this Agreement and any Right Certificate issued pursuant to
Section 6 or Section 11 hereof upon transfer, exchange, replacement or
adjustment of any other Right Certificate referred to in this sentence, shall
contain (to the extent feasible) the following legend:

                           The Rights represented by this Right Certificate are
                  or were beneficially owned by a Person who was or became an
                  Acquiring Person or an Affiliate or Associate of an Acquiring
                  Person (as such terms are defined in the Rights Agreement).
                  Accordingly, this Right Certificate and the Rights represented
                  hereby are null and void.

                  The provisions of Section 7(e) of this Rights Agreement shall
be operative whether or not the foregoing legend is contained on any such Right
Certificate.

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

                  Following the Distribution Date, the Rights Agent will keep or
cause to be kept, at its office designated as the appropriate place for
surrender of such Right Certificate or transfer, 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
certificate number and the date of each of the Right Certificates.


                                       6
<PAGE>

                  Section 6. Transfer, Split-up, Combination and Exchange of
Right Certificates; Mutilated, Destroyed, Lost or Stolen Right Certificate.
Subject to the provisions of Section 4(b), Section 7(e) and Section 14 hereof,
at any time after the close of business on the Distribution Date, and at or
prior to the close of business on the earlier of the Redemption Date or the
Final Expiration Date, any Right Certificate or Right Certificates 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
Common Shares (or, following a Section 13 Event, other securities, as the case
may be) as the Right Certificate or Right Certificates surrendered then entitled
such holder (or former holder in the case of a transfer) to purchase. Any
registered holder desiring to transfer, split up, combine or exchange any 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 office of
the Rights Agent designated for such purpose. Neither the Rights Agent nor the
Corporation shall be obligated to take any action whatsoever with respect to the
transfer of any such surrendered Right Certificate until the registered holder
shall have completed and signed the certificate contained in the form of
assignment on the reverse side of such Right Certificate and shall have provided
such additional evidence of the identity of the Beneficial Owner (or former
Beneficial Owner) or Affiliates or Associates thereof as the Corporation or the
Rights Agent shall reasonably request. Thereupon the Rights Agent shall, subject
to Section 4(b), Section 7(e) and Section 14 hereof, countersign and deliver to
the Person entitled thereto a Right Certificate or Right Certificates, as the
case may be, as so requested. The Corporation 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.

                  Upon receipt by the Corporation 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
Corporation's request, reimbursement to the Corporation 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 Corporation
will make and deliver a new Right Certificate of like tenor to the Rights Agent
for countersignature and 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) Subject to Section 7(e) hereof, 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
and the certificate on the reverse side thereof duly executed, to the Rights
Agent at the principal office or offices of the Rights Agent designated for such
purpose, together with payment of the aggregate Purchase Price for the total
number of Common Shares (or other securities, as the case may be) as to which
such surrendered Rights are exercised, at or prior to the earliest of (i) the
close of business on November 30, 2008 (the "Final Expiration Date"), or (ii)
the time at which the Rights are redeemed as provided in Section 23 hereof (the
"Redemption Date").

                  (b) The purchase price (the "Purchase Price") per whole Common
Share at which a holder of Rights may purchase Common Shares or (subject to
Section 14 hereof) fractions thereof upon exercise of such Rights shall
initially be $185, shall be subject to adjustment from time to time as provided
in Sections 11 and 13(a) hereof, and shall be payable in accordance with
paragraph (c) below.

                  (c) Upon receipt of a Right Certificate representing
exercisable Rights, with the form of election to purchase and the certificate
duly and properly executed, accompanied by payment of the Purchase Price for the
Common Shares (or other securities, as the case may be) to be purchased and an
amount equal to any applicable tax or charge required to be paid by the holder
of such Right Certificate in accordance with Section 6 hereof by certified
check, cashier's check or money order payable to the order of the Corporation,
the Rights Agent shall thereupon promptly (i) (A) requisition from any transfer
agent of 


                                       7
<PAGE>

the Common Shares certificates for the number of Common Shares to be
purchased and the Corporation hereby irrevocably authorizes its transfer agent
to comply with all such requests, or (B) if the Corporation, in its sole
discretion, shall have elected to deposit the Common Shares issuable upon
exercise of the Rights hereunder into a depositary, requisition from the
depositary agent depositary receipts representing such number of Common Shares
as are to be purchased (in which case certificates for the Common Shares
represented by such receipts shall be deposited by the transfer agent with the
depositary agent) and the Corporation will direct the depositary agent to comply
with such requests, (ii) when appropriate, requisition from the Corporation the
amount of cash to be paid in lieu of issuance of fractional shares in accordance
with Section 14 hereof, (iii) after receipt of such certificates or depositary
receipts, cause 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 thereof,
deliver such cash to or upon the order of the registered holder of such Right
Certificate. In the event that the Corporation is obligated to issue other
securities of the Corporation pursuant to Section 11(a) hereof, the Corporation
will make all arrangements necessary so that such other securities are available
for distribution by the Rights Agent, if and when necessary to comply with this
Agreement.

                  In addition, in the case of an exercise of the Rights by a
holder pursuant to Section 11(a)(ii), the Rights Agent shall return such Right
Certificate to the registered holder thereof after imprinting, stamping or
otherwise indicating thereon that the rights represented by such Right
Certificate no longer include the rights provided by Section 11(a)(ii) of the
Rights Agreement and if less than all the Rights represented by such Right
Certificate were so exercised, the Rights Agent shall indicate on the Right
Certificate the number of Rights represented thereby which continue to include
the rights provided by Section 11(a)(ii).

                  (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 his duly authorized assigns, subject to the provisions of
Section 14 hereof, or the Rights Agent shall place an appropriate notation on
the Right Certificate with respect to those Rights exercised.

                  (e) Notwithstanding anything in this Agreement to the
contrary, from and after the first occurrence of a Section 11(a)(ii) Event, any
Rights beneficially owned by (i) an Acquiring Person or an Affiliate or
Associate of an Acquiring Person, (ii) a transferee of an Acquiring Person (or
of any Affiliate or Associate thereof) who becomes a transferee after the
Acquiring Person becomes such, or (iii) a transferee of an Acquiring Person (or
of any Affiliate or Associate thereof) who becomes a transferee prior to or
concurrently with the Acquiring Person becoming such and receives such Rights
pursuant to either (A) a transfer (whether or not for consideration) from the
Acquiring Person to holders of equity interests in such Acquiring Person or to
any Person with whom the Acquiring Person has a continuing agreement,
arrangement or understanding regarding the transferred Rights or (B) a transfer
which the Board of Directors has determined is part of a plan, arrangement or
understanding which has as a primary purpose or effect the avoidance of this
Section 7(e), shall become null and void without any further action and no
holder of such Rights shall have any rights whatsoever with respect to such
Rights, whether under any provision of this Agreement or otherwise. The
Corporation shall notify the Rights Agent upon obtaining actual knowledge that
this Section 7(e) applies and shall use all reasonable efforts to insure that
the provisions of this Section 7(e) and Section 4(b) hereof are complied with,
but shall have no liability to any holder of Right Certificates or other Person
as a result of its failure to make any determinations with respect to an
Acquiring Person or its Affiliates, Associates or transferees hereunder.

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


                                       8
<PAGE>

shall have (i) properly completed and signed the certificate contained in the
form of election to purchase set forth on the reverse side of the Right
Certificate surrendered for such exercise, and (ii) provided such additional
evidence of the identity of the Beneficial Owner (or former Beneficial Owner) or
Affiliates or Associates thereof as the Corporation shall reasonably request.

                  Section 8. Cancellation and Destruction of Right Certificates.
All Right Certificates surrendered for the purpose of exercise (other than an
exercise pursuant to Section 11(a)(ii)), transfer, split up, combination or
exchange shall, if surrendered to the Corporation or to any of its agents, be
delivered to the Rights Agent for cancellation or in canceled form, or, if
surrendered to the Rights Agent, shall be canceled by it, and no Right
Certificates shall be issued in lieu thereof except as expressly permitted by
any of the provisions of this Rights Agreement. The Corporation 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
Corporation otherwise than upon the exercise thereof. The Rights Agent shall
deliver all canceled Right Certificates to the Corporation, or shall, at the
written request of the Corporation, destroy such canceled Right Certificates,
and in such case shall deliver a certificate of destruction thereof to the
Corporation.

                  Section 9. Reservation and Availability of Common Shares. The
Corporation covenants and agrees that at all times after the occurrence of a
Section 11(a)(ii) Event it will, to the extent reasonably practicable, cause to
be reserved and kept available out of its authorized and unissued Common Shares
(and/or other securities), or any authorized and issued Common Shares (and/or
other securities) held in its treasury, the number of Common Shares (or other
securities, as the case may be) that will be sufficient to permit the exercise
in full of all outstanding Rights pursuant to this Agreement.

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

                  The Corporation covenants and agrees that it will take all
such action as may be necessary to ensure that all Common Shares (or other
securities, as the case may be) delivered upon exercise of Rights shall, at the
time of delivery of the certificates for such shares or other securities
(subject to payment of the Purchase Price), be duly and validly authorized and
issued and fully paid and non-assessable shares or securities.

                  The Corporation further covenants and agrees that it will pay
when due and payable any and all U.S. federal and state taxes and charges which
may be payable in respect of the issuance or delivery of the Right Certificates
or of any Common Shares (or other securities, as the case may be) upon the
exercise of Rights. The Corporation shall not, however, be required to pay any
tax or charge 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 Common Shares (or other securities,
as the case may be) 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 Common Shares (or other
securities, as the case may be) upon the exercise of any Rights, until any such
tax or charge shall have been paid (any such tax or charge being payable by the
holder of such Right Certificate at the time of surrender) or until it has been
established to the Corporation's reasonable satisfaction that no such tax or
charge is due.

                  The Corporation shall use its best efforts to (i) file, as
soon as practicable following the Shares Acquisition Date (or, if required by
law, at such earlier time following the Distribution Date as so required), a
registration statement under the Act, with respect to the securities purchasable
upon exercise of the Rights on an appropriate form, (ii) cause such registration
statement to become effective as soon as 


                                       9
<PAGE>

practicable after such filing, and (iii) cause such registration statement to
remain effective (with a prospectus at all times meeting the requirements of the
Act and the rules and regulations thereunder) until the date of the expiration
of the Rights provided by Section 11(a)(ii). The Corporation will also take such
action as may be appropriate under the blue sky laws of the various states.

                  Section 10. Common Shares Record Date. Each Person in whose
name any certificate for Common Shares (or other securities, as the case may be)
is issued upon the exercise of Rights shall for all purposes be deemed to have
become the holder of record of the Common Shares (or other securities, as the
case may be) represented thereby on, and such certificate shall be dated, the
date upon which the Right Certificate evidencing such Rights was duly
surrendered and payment of the Purchase Price (and any applicable taxes or
charges) was made; provided, however, that, if the date of such surrender and
payment is a date upon which the Common Shares (or other securities, as the case
may be) transfer books of the Corporation are closed, such Person shall be
deemed to have become the record holder of such shares on, and such certificate
shall be dated, the next succeeding Business Day on which the Common Shares (or
other securities, as the case may be) transfer books of the Corporation are
open.

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

                  (a)(i) In the event the Corporation shall at any time after
the date of this Agreement (A) declare a dividend on the Common Shares payable
in Common Shares, (B) subdivide the outstanding Common Shares, (C) combine the
outstanding Common Shares into a smaller number of Common Shares or (D) issue
any shares of its capital stock in a reclassification of the Common Shares
(including any such reclassification in connection with a consolidation or
merger in which the Corporation is the continuing or surviving corporation),
except as otherwise provided in this Section 11(a) and Section 7(e) hereof, (x)
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
(y) 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 immediately prior to such
date and at a time when the Common Shares transfer books of the Corporation 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 any Rights be less than the aggregate par value of
the shares of capital stock of the Corporation issuable upon exercise of such
Rights. If an event occurs which would require an adjustment under both Section
11(a)(i) and Section 11(a)(ii), the adjustment provided for in this Section
11(a)(i) shall be in addition to, and shall be made prior to, any adjustment
required pursuant to Section 11(a)(ii).

                           (ii)     In the event any Person, alone or together 
with its Affiliates and Associates, shall become an Acquiring Person, then
proper provision shall be made so that each holder of a Right (except as
provided below and in Section 7(e) hereof) thereafter be entitled to receive,
upon exercise thereof at a price equal to the then current Purchase Price for a
whole Common Share, in accordance with the terms of this Agreement, such number
of Common Shares as shall equal the result obtained by (x) multiplying the then
current Purchase Price per whole Common Share by the number of one-tenths of a
Common Share for which a Right was exercisable immediately prior to the first
occurrence of a Section 11(a)(ii) Event (e.g., if a Right was exercisable
immediately prior to a Section 11(a)(ii) Event for two one-tenths of a share of
Common Stock and the Purchase Price per whole Common Share was $[X], the product
would be [2X]), and dividing that product by (y) 50% of the then current per
share market price of the Common Shares (determined pursuant to Section 11(d)
hereof) on the date of such first occurrence (such number of shares being
referred to as the "Adjustment Shares"); provided, however, that if the
transaction 


                                       10
<PAGE>

that would otherwise give rise to the foregoing adjustment is also subject to
the provisions of Section 13 hereof, then only the provisions of Section 13
hereof shall apply and no adjustment shall be made pursuant to this Section
11(a)(ii).

                           (iii) If the number of Common Shares which are
authorized by the Corporation's certificate of incorporation but not outstanding
or reserved for issuance other than upon exercise of the Rights is not
sufficient to permit the exercise in full of the Rights in accordance with
Section 11(a)(ii), the Corporation shall, with respect to each Right, make
adequate provision to substitute for the Adjustment Shares, upon payment of the
then current Purchase Price per whole Common Share, (A) (to the extent
available) Common Shares and then, (B) (to the extent available) other equity
securities of the Corporation which the Board of Directors has determined to be
essentially equivalent to Common Shares in respect to dividend, liquidation and
voting rights (such securities being referred to herein as "common share
equivalents") and then, if necessary (and to the extent feasible), (C) other
common equity securities or debt securities of the Corporation, a reduction in
the Purchase Price, cash, other assets or any combination of the foregoing,
having an aggregate value (as determined by the Board of Directors) based upon
the advice of a nationally recognized investment banking firm selected by the
Board of Directors equal to the value of the Adjustment Shares; provided that
(x) the Corporation may, and (y) if the Corporation shall not have made adequate
provision as required above to deliver value within 30 days following the first
occurrence of a Section 11(a)(ii) Event, then the Corporation shall be obligated
to, deliver, upon the surrender for exercise of a Right and without requiring
payment of the Purchase Price (1) (to the extent available) Common Shares and
then (2) (to the extent available) common share equivalents and then, if
necessary (and to the extent feasible), (3) other common equity securities of
the Corporation, or any combination of the foregoing, having an aggregate value
(as determined by the Board of Directors based upon the advice of a nationally
recognized investment banking firm selected by the Board of Directors) equal to
the excess of the value of the Adjustment Shares over the Purchase Price. If a
majority of the Board of Directors shall determine in good faith that it is
likely that sufficient additional shares of Common Shares could be authorized
for issuance upon exercise in full of the Rights, the 30 day period set forth
above (such period, as it may be extended, being referred to herein as the
"Substitution Period") may be extended to the extent necessary, but not more
then 90 days following the first occurrence of a Section 11(a)(ii) Event, in
order that the Corporation may seek stockholder approval for the authorization
of such additional shares. To the extent that some action is to be taken
pursuant to the first and/or second sentence of this Section 11(a)(iii), the
Corporation (X) shall provide, subject to Section 7(e), that such action shall
apply uniformly to all outstanding Rights and (Y) may suspend the exercisability
of the Rights until the expiration of the Substitution Period in order to seek
any authorization of additional shares and/or to decide the appropriate form and
value of any consideration to be delivered as referred to in such first and/or
second sentence. If any such suspension occurs, the Corporation shall issue a
public announcement stating that the exercisability of the Rights has been
temporarily suspended, as well as a public announcement at such time as the
suspension is no longer in effect.

                  (b) In case the Corporation shall fix a record date for the
issuance of rights (other than the Rights), options or warrants to all holders
of Common Shares entitling them (for a period expiring within 45 calendar days
after such record date) to subscribe for or purchase Common Shares (or shares
having the same rights and privileges as the Common Shares ("equivalent common
shares")) or securities convertible into Common Shares or equivalent common
shares at a price per Common Share or equivalent common share (or having a
conversion price per share, if a security convertible into Common Shares or
equivalent common shares) less than the then current per share market price of
the Common Shares (as determined pursuant to Section 11(d) hereof) on such
record date, the Purchase Price to be in effect after such record date shall be
determined by multiplying the Purchase Price in effect immediately prior to such
record date by a fraction, the numerator of which shall be the number of Common
Shares outstanding on such record date plus the number of Common Shares which
the aggregate offering price of the total number of Common Shares and/or
equivalent common shares so to be offered (and/or the aggregate initial
conversion price of 


                                       11
<PAGE>

the convertible securities so to be offered) would purchase at such current per
share market price, and the denominator of which shall be the number of Common
Shares outstanding on such record date plus the number of additional Common
Shares and/or equivalent common shares to be offered for subscription or
purchase (or into which the convertible securities so to be offered are
initially convertible); provided, however, that in no event shall the
consideration to be paid upon the exercise of Rights be less than the aggregate
par value of the shares of capital stock of the Corporation issuable upon
exercise of such Rights. 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 determined in good faith by the Board of
Directors, whose determination shall be described in a statement filed with the
Rights Agent and shall be binding on the Rights Agent and the holders of Rights.
Common Shares owned by or held for the account of the Corporation shall not be
deemed outstanding for the purpose of any such computation. Such adjustment
shall be made successively whenever such a record date is fixed; and in the
event that such rights, options or warrants are not so issued, the Purchase
Price shall be adjusted to be the Purchase Price which would then be in effect
if such record date had not been fixed.

                  (c) In case the Corporation shall fix a record date for the
making of a distribution to all holders of the Common Shares (including any such
distribution made in connection with a consolidation or merger in which the
Corporation is the continuing or surviving corporation) of evidences of
indebtedness or assets (other than a regular quarterly cash dividend or a
dividend payable in Common 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 (as determined pursuant
to Section 11(d) hereof) of the Common Shares on such record date, less the fair
market value (as determined in good faith by the Board of Directors, whose
determination shall be described in a statement filed with the Rights Agent and
shall be binding on the Rights Agent) of the portion of the assets or evidences
of indebtedness so to be distributed or of such subscription rights or warrants
applicable to one Common Share and the denominator of which shall be such
current per share market price of the Common Shares; provided, however, that in
no event shall the consideration to be paid upon the exercise of any Rights be
less than the aggregate par value of the shares of capital stock of the
Corporation to be issued upon exercise of such Rights. 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.

                  (d) 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)), including, without limitation the Common Shares, on any date
shall be deemed to be the average of the daily closing prices per share of such
Security for the thirty (30) consecutive Trading Days (as such term is
hereinafter defined) immediately prior to but not including 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 but
not including the expiration of thirty (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


                                       12
<PAGE>

exchange, the last quoted price or, if not so quoted, the average of the high
bid and low asked prices in the over-the-counter market, as reported by the
NASDAQ Stock Market ("NASDAQ") or such other system then in use, or, if on any
such date the Security is not quoted by any such organization, the average of
the closing bid and asked prices as furnished by a professional market maker
making a market in the Security selected by the Board of Directors. If on any
such date no such market maker is making a market in the Security, the fair
value of the Security on such date as determined in good faith by the Board of
Directors shall be used. 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.

                  (e) Notwithstanding anything herein to the contrary (except
the last sentence of this Section 11(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 ten- thousandth of a Common Share or any other share or security as the
case may be. Notwithstanding the first sentence of this Section 11(e), any
adjustment required by this Section 11 shall be made no later than the earlier
of (i) three (3) years from the date of the transaction which mandates such
adjustment or (ii) the Final Expiration Date.

                  (f) If as a result of an adjustment made pursuant to Section
11(a)(i) or Section 13(a) hereof, the holder of any Right thereafter exercised
shall become entitled to receive any shares of capital stock of the Corporation
other than Common Shares, thereafter the number of 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 Common Shares contained in Section 11(a) through (c), inclusive,
and the provisions of Sections 7, 9, 10, 13 and 14 with respect to the Common
Shares shall apply on like terms to any such other shares.

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

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

                  (i) The Corporation may elect on or after the date of any
adjustment of the Purchase Price to adjust the number of Rights, in lieu of any
adjustment in the number of Common Shares purchasable upon the exercise of a
Right. Each of the Rights outstanding after such adjustment of the number of
Rights shall be exercisable for the number of Common Shares for which a Right
was exercisable immediately prior to such adjustment. Each Right held of record
prior to such adjustment of the number of Rights shall become that number of
Rights (calculated to the nearest ten-thousandth) obtained by dividing the
Purchase Price in effect immediately prior to the adjustment of the Purchase
Price by the Purchase Price in effect immediately after adjustment of the
Purchase Price. The Corporation shall make a public announcement (with notice
thereof to the Rights Agent) of its election to adjust the number of Rights,


                                       13
<PAGE>

indicating the record date for the adjustment, and, if known at the time, the
amount of the adjustment to be made. This record date may be the date on which
the Purchase Price is adjusted or any day thereafter, but, if the Right
Certificates have been issued, shall be at least ten (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
Corporation 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 Corporation, shall cause to be distributed to such holders of record in
substitution and replacement for the Rights Certificates held by such holders
prior to the date of adjustment, and upon surrender thereof, if required by the
Corporation, 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 the number of Common Shares 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 Common Shares 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 the aggregate par value, if any, of the number
of Common Shares or other securities issuable in respect of the Purchase Price
upon exercise of a Right, the Corporation shall take any corporate action which
may, in the opinion of its counsel, be necessary in order that the Corporation
may validly and legally issue such number of fully paid and non-assessable
Common Shares or other securities 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 Corporation may elect (with notice thereof to the Rights
Agent) to defer until the occurrence of such event the issuance to the holder of
any Right exercised after such record date the Common Shares or other securities
of the Corporation, if any, issuable upon such exercise over and above the
Common Shares or other securities of the Corporation, if any, issuable upon
exercise on the basis of the Purchase Price in effect prior to such adjustment;
provided, however, that the Corporation 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) Notwithstanding anything in this Section 11 to the
contrary, the Corporation shall be entitled to make such reductions in the
Purchase Price, in addition to those adjustment 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 (i) any consolidation or subdivision of the Common
Shares, (ii) issuance wholly for cash of Common Shares at less than the current
market price, (iii) issuance wholly for cash of Common Shares or securities
which by their terms are convertible into or exchangeable for Common Shares,
(iv) stock dividends, or (v) issuance of rights, options or warrants referred to
in this Section 11, hereafter made by the Corporation to holders of its Common
Shares shall not be taxable to such shareholders.

                  (n) The Corporation covenants and agrees that it shall not, at
any time after the Distribution Date, (i) consolidate with any other Person
(other than a Subsidiary of the Corporation in a transaction which does not
violate Section 11(o) hereof), (ii) merge with or into any other Person (other
than a Subsidiary of the Corporation in a transaction which does not violate
Section 11(o) hereof), or (iii) sell or transfer (or permit any Subsidiary to
sell or transfer), in one transaction, or a series of related transactions,
assets or earning power aggregating more than 50% of the assets or earning power
of the Corporation and its 


                                       14
<PAGE>

Subsidiaries (taken as a whole) to any other Person or Persons (other than the
Corporation and/or of its Subsidiaries in one or more transactions each of which
does not violate Section 11(o) hereof), if (x) at the time of or immediately
after such consolidation, merger, sale or transfer there are any charter or
by-law provisions or any rights, warrants or other instruments or securities
outstanding or agreements in effect or other actions taken, which would
materially diminish or otherwise eliminate the benefits intended to be afforded
by the Rights or (y) prior to, simultaneously with or immediately after such
consolidation, merger or sale, the shareholders of the Person who constitutes,
or would constitute, the "Principal Party" for purposes of Section 13(a) hereof
shall have received a distribution of Rights previously owned by such Person or
any of its Affiliates and Associates. The Corporation shall not consummate any
such consolidation, merger, sale or transfer unless prior thereto the
Corporation and such other Person shall have executed and delivered to the
Rights Agent a supplemental agreement evidencing compliance with this Section
11(n).

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

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

                  Section 12. Certificate of Adjusted Purchase Price or Number
of Shares. Whenever an adjustment is made as provided in Section 11 or 13
hereof, the Corporation 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 a copy of such certificate and (c) mail a brief summary thereof to
each holder of a Right Certificate in accordance with Section 26 hereof. The
Rights Agent shall be fully protected in relying on any such certificate and on
any adjustment therein contained and shall not be deemed to have knowledge of
such adjustment unless and until it shall have received such certificate.

                  Section 13. Consolidation, Merger or Sale or Transfer of
Assets or Earning Power. (a) In the event that, on or following the Shares
Acquisition Date, directly or indirectly, (x) the Corporation shall consolidate
with, or merge with and into, any Person, (y) the Corporation shall consolidate
with, or merge with, any Person, and the Corporation shall be the continuing or
surviving corporation of such consolidation or merger (other than, in a case of
any transaction described in (x) or (y), a merger or consolidation which would
result in all of the securities generally entitled to vote in the election of
directors ("voting securities") of the Corporation outstanding immediately prior
thereto continuing to represent (either by remaining outstanding or by being
converted into securities of the surviving entity) all of the voting securities
of the Corporation or such surviving entity outstanding immediately after such
merger or consolidation and the holders of such securities not having changed as
a result of such merger or consolidation), or (z) the Corporation shall sell or
otherwise transfer (or one or more of its Subsidiaries shall sell or otherwise
transfer), in one transaction or a series of related transactions, assets or
earning power aggregating more than 50% of the assets or earning power of the
Corporation and its Subsidiaries (taken as a whole) to any Person (other than
the Corporation or any Subsidiary of the Corporation in one or more transactions
each of which does not violate Section 11(o) hereof), then, and in each such
case, proper provision shall be made so that (i) each holder of a Right, except
as provided in Section 7(e) hereof, shall thereafter have the right to receive,
upon the exercise thereof at a price equal to the then current Purchase Price
for a whole Common Share, in accordance with the terms of this Agreement and in
lieu of Common Shares, such number of freely tradeable Common Shares of the
Principal Party (as hereinafter defined), not subject to any liens,
encumbrances, rights of first refusal or other adverse claims, as shall equal
the result obtained by (A) multiplying the then current Purchase Price for a
whole Common Share by the number of one-tenths of a 


                                       15
<PAGE>

Common Share for which a Right is then exercisable (without taking into account
any adjustment previously made pursuant to Section 11(a)(ii)) and dividing that
product by (B) 50% of the then current per share market price of the Common
Shares of such Principal Party (determined pursuant to Section 11(d) hereof) on
the date of consummation of such Section 13 Event; (ii) such Principal Party
shall thereafter be liable for, and shall assume, by virtue of such Section 13
Event, all the obligations and duties of the Corporation pursuant to this
Agreement; (iii) the term "Corporation" shall thereafter be deemed to refer to
such Principal Party, it being specifically intended that the provisions of
Section 11 hereof shall apply only to such Principal Party following the first
occurrence of a Section 13 Event; and (iv) such Principal Party shall take such
steps (including, but not limited to, the reservation of a sufficient number of
its Common Shares) in connection with the consummation of any such transaction
as may be necessary to assure that the provisions hereof shall thereafter be
applicable, as nearly as reasonably may be, in relation to the Common Shares
thereafter deliverable upon the exercise of the Rights.

                  (b)      "Principal Party" shall mean:

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

                           (ii)     in the case of any transaction described in
clause (z) of the first sentence of Section 13(a), the Person that is the party
receiving the greatest portion of the assets or earning power transferred
pursuant to such transaction or transactions; provided, however, that in any of
the foregoing cases, (1) if the Common Shares of such Person are not at such
time and have not been continuously over the preceding twelve (12) month period
registered under Section 12 of the Exchange Act, and such Person is a direct or
indirect Subsidiary of another Person the Common Shares of which are and have
been so registered, "Principal Party" shall refer to such other Person; (2) in
case such Person is a Subsidiary, directly or indirectly, of more than one
Person, the Common Shares of two or more of which are and have been so
registered, "Principal Party" shall refer to whichever of such Persons is the
issuer of the Common Shares having the greatest aggregate market value; and (3)
in case such Person is owned, directly or indirectly, by a joint venture formed
by two or more Persons that are not owned, directly or indirectly, by the same
Person, the rules set forth in (1) and (2) above shall apply to each of the
chains of ownership having an interest in such joint venture as if such party
were a "Subsidiary" of both or all of such joint venturers and the Principal
Parties in each such chain shall bear the obligations set forth in this Section
13 in the same ratio as their direct or indirect interests in such Person bear
to the total of such interests.

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

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


                                       16
<PAGE>

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

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

                  The provisions of this Section 13 shall similarly apply to
successive mergers or consolidations or sales or other transfers. The rights
under this Section 13 shall be in addition to the rights to exercise Rights and
adjustments under Section 11(a)(ii) and shall survive any exercise thereof.

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

                  Section 14. Fractional Rights and Fractional Shares. (a) The
Corporation 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 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.
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 shall be used.

                  (b) The Corporation shall not be required to issue fractions
of Common Shares upon exercise of the Rights or to distribute certificates which
evidence fractional Common Shares. In lieu of fractional Common Shares, the
Corporation 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 Common Share. For the purposes
of this Section 14(b), the current market value of a Common Share shall be the
closing price of a Common Share (as determined pursuant to Section 11(d) hereof)
for the Trading Day immediately prior to the date of such exercise.


                                       17
<PAGE>

                  (c) The holder of a Right by the acceptance of the Right
expressly waives his right to receive any fractional Rights or any fractional
share 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 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 his own behalf and for his own
benefit, enforce, and may institute and maintain any suit, action or proceeding
against the Corporation to enforce, or otherwise act in respect of, his right to
exercise the Rights evidenced by such Right Certificate in the manner provided
in such Right Certificate and in this Agreement. Without limiting the foregoing
or any remedies available to the holders of Rights, it is specifically
acknowledged that the holder 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 Corporation and
the Rights Agent and with every other holder of a Right that:

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

                  (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 or offices of the Rights Agent designated for such purpose,
duly endorsed or accompanied by a proper instrument of transfer and with the
appropriate form fully executed;

                  (c) subject to Section 6 and Section 7(f) hereof, the
Corporation 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 Corporation or the Rights Agent) for all purposes
whatsoever, and neither the Corporation nor the Rights Agent, subject to the
last sentence of Section 7(e) hereof, shall be required to be affected by any
notice to the contrary; and

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

                  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 Common Shares or any
other securities of the Corporation 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 


                                       18
<PAGE>

construed to confer upon the holder of any Right Certificate, as such, any of
the rights of a stockholder of the Corporation or any right to vote for the
election of directors or upon any matter submitted to shareholders at any
meeting thereof, or to give or withhold consent to any corporate action, or to
receive notice of meetings or other actions affecting stockholders (except as
provided in Section 25 hereof), or to receive dividends or other distributions
or to exercise any preemptive or subscription rights, or otherwise, until the
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 Corporation
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 of this Agreement and the exercise and performance of its duties
hereunder. The Corporation also agrees to indemnify the Rights Agent for, and to
hold it harmless against, any loss, liability, or expense, incurred without
negligence, bad faith or willful misconduct on the part of the Rights Agent, for
anything done or omitted by the Rights Agent in connection with the acceptance
and administration of this Agreement, including the costs and expenses of
defending against any claim of liability in the premises. In no event shall the
Rights Agent be liable for special, indirect or consequential loss or damage of
any kind whatsoever (including but not limited to lost profits), even if the
Rights Agent has been advised of the likelihood of such loss or damage and
regardless of the form of action. The indemnity provided for herein shall
survive the expiration of the Rights, the resignation or removal of the Rights
Agent and the termination of this Agreement.

                  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 acceptance and administration of this Agreement in reliance
upon any Right Certificate delivered to the Rights Agent pursuant to Sections 6
and 7 hereof for Common Shares or for other securities of the Corporation,
instrument of assignment or transfer, power of attorney, endorsement, affidavit,
letter, notice, direction, consent, certificate, statement, or other paper or
document believed by it to be genuine and to be signed, executed and, where
necessary, verified or acknowledged, by the proper Person or Persons.

                  Section 19. Merger or Consolidation or Change of Name of
Rights Agent. Any Person into which the Rights Agent or any successor Rights
Agent may be merged or with which it may be consolidated, or any Person
resulting from any merger or consolidation to which the Rights Agent or any
successor Rights Agent shall be a party, or any Person succeeding to the stock
transfer or all or substantially all of the corporate trust business of the
Rights Agent or any successor Rights Agent, shall be the successor to the Rights
Agent under this Agreement without the execution or filing of any paper or any
further act on the part of any of the parties hereto, provided 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 countersigned but not delivered, any such successor
Rights Agent may adopt the countersignature of a 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 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 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 countersigned, the Rights
Agent may countersign such 


                                       19
<PAGE>

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.

                  Section 20. Duties of Rights Agent. The Rights Agent
undertakes only those duties and obligations expressly imposed by this Agreement
upon the following terms and conditions, by all of which the Corporation 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 Corporation), and the opinion of such counsel shall be
full and complete authorization and protection to the Rights Agent as to any
action taken or omitted by it in good faith and in accordance with such opinion.

                  (b) Whenever in the performance of its duties under this
Agreement the Rights Agent shall deem it necessary or desirable that any fact or
matter (including, without limitation, the identity of an Acquiring Person and
the determination of the current market price of any Security) be proved or
established by the Corporation prior to taking or omitting to take 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 Corporation and delivered to the Rights Agent; and such
certificate shall be full authorization to the Rights Agent for any action taken
or omitted in good faith by it under the provisions of this Agreement in
reliance upon such certificate.

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

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

                  (e) The Rights Agent shall not be under any responsibility in
respect of the validity of this Agreement or the execution and delivery hereof
(except the due execution hereof by the Rights Agent) or in respect of the
validity or execution of any Right Certificate (except its countersignature
thereof); nor shall it be responsible for any breach by the Corporation of any
covenant or condition contained in this Agreement or in any Rights Certificate;
nor shall it be responsible for any change in the exercisability of the Rights
(including the Rights becoming null and void pursuant to Section 7(e) hereof) or
any adjustment required under the provisions of Section 11 or Section 13 hereof
or responsible for the manner, method or amount of any such adjustment or the
ascertaining of the existence of facts that would require any such adjustment
(except with respect to the exercise of Rights evidenced by Right Certificates
after receipt of the certificate described in Section 12 hereof); nor shall it
by any act hereunder be deemed to make any representation or warranty as to the
authorization or reservation of any Common Shares to be issued pursuant to this
Agreement or any Right Certificate or as to whether any Common Shares will, when
issued, be validly authorized and issued, fully paid and non-assessable.

                  (f) The Corporation 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 Treasurer or the Secretary of the
Corporation, and 


                                       20
<PAGE>

to apply to such officers for advice or instructions in connection with its
duties, and shall not be liable for any action taken or omitted by it in good
faith or lack of action in accordance with instructions of any such officer or
for any delay in acting while waiting for those instructions. Any application by
the Rights Agent for written instructions from the Corporation may, at the
option of the Rights Agent, set forth in writing any action proposed to be taken
or omitted by the Rights Agent under this Rights Agreement and the date on or
after which such action shall be taken or such omission shall be effective. The
Rights Agent shall not be liable for any action taken by, or omission of, the
Rights Agent in accordance with a proposal included in any such application on
or after the date specified in such application (which date shall not be less
than five Business Days after the date any officer of the Corporation actually
receives such application, unless any such officer shall have consented in
writing to an earlier date) unless, prior to taking any such action (or the
effective date in the case of an omission), the Rights Agent shall have received
written instruction in response to such application specifying the action to be
taken or omitted.

                  (h) The Rights Agent and any shareholder, director, officer or
employee of the Rights Agent may buy, sell or deal in any of the Rights or other
securities of the Corporation or become pecuniarily interested in any
transaction in which the Corporation may be interested, or contract with or lend
money to the Corporation 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 Corporation 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 Corporation resulting from any
such act, default, neglect or misconduct, provided reasonable care was exercised
in the selection and continued employment thereof.

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

                  (k) If, with respect to any Rights Certificate surrendered to
the Rights Agent for exercise or transfer, the certificate attached to the form
of assignment or form of election to purchase, as the case may be, has not been
completed, the Rights Agent shall not take any further action with respect to
such requested exercise of transfer without first consulting with the
Corporation.

                  Section 21. Change of Rights Agent. The Rights Agent or any
successor Rights Agent may resign and be discharged from its duties under this
Agreement upon thirty (30) days' notice in writing mailed to the Corporation and
to the transfer agent of the Common Shares by registered or certified mail, and,
subsequent to the Distribution Date, to the holders of the Right Certificates by
first-class mail. The Corporation may remove the Rights Agent or any successor
Rights Agent upon sixty (60) days' notice in writing, mailed to the Rights Agent
or any successor Rights Agent, as the case may be, and to the transfer agent of
the Common Shares by registered or certified mail, and, subsequent to the
Distribution Date, to 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 Corporation shall appoint a successor to the Rights Agent. If the
Corporation shall fail to make such appointment within a period of thirty (30)
days after giving notice of such removal or after it has been notified in
writing of such resignation or incapacity by the resigning or incapacitated
Rights Agent or by the holder of a Right Certificate (who shall, with such
notice, submit his Right Certificate for inspection by the Corporation), 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 Corporation or by such a court, shall be
a corporation organized and 


                                       21
<PAGE>

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 $50,000,000. 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 Corporation shall file
notice thereof in writing with the predecessor Rights Agent and the transfer
agent of the Common Shares, and, subsequent to the Distribution Date, 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 successor Rights Agent or the appointment of the 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 Corporation may, at its option, issue new Right Certificates
evidencing Rights in such form as may be approved by the Board of Directors to
reflect any adjustment or change in the Purchase Price and the number or kind or
class of shares or other securities or property purchasable upon exercise of the
Rights made in accordance with the provisions of this Agreement.

                  In addition, in connection with the issuance or sale of Common
Shares following the Distribution Date and prior to the earlier of the
Redemption Date and the Final Expiration Date, the Corporation (a) shall with
respect to Common Shares so issued or sold pursuant to the exercise of stock
options or under any employee plan or arrangement, or upon the exercise,
conversion or exchange of securities, notes or debentures issued by the
Corporation, and (b) may, in any other case, if deemed necessary or appropriate
by the Board of Directors, issue Right Certificates representing the appropriate
number of Rights in connection with such issuance of sale, provided, however,
that (i) the Corporation shall not be obligated to issue any such Right
Certificates if, and to the extent that, the Corporation shall be advised by
counsel that such issuance would create a significant risk of material adverse
tax consequences to the Corporation or the Person to whom such Right Certificate
would be issued, and (ii) no Right Certificate shall be issued if, and to the
extent that, appropriate adjustment shall otherwise have been made in lieu of
the issuance thereof.

                  Section 23. Redemption and Termination. (a) The Board of
Directors may, at its option, redeem all but not less than all the then
outstanding Rights at a redemption price of $0.01 per Right, as such amount may
be appropriately adjusted to reflect any stock split, stock dividend or similar
transaction occurring after the date hereof (such redemption price being
hereinafter referred to as the "Redemption Price"), at any time prior to the
earlier of (x) the time that any Person becomes an Acquiring Person, or (y) the
Final Expiration Date. The Corporation may, at its option, pay the Redemption
Price either in Common Shares (based on the "current per share market price," as
defined in Section 11(d) hereof, of the Common Shares at the time of redemption)
or cash; provided that if the Corporation elects to pay the Redemption Price in
Common Shares, the Corporation shall not be required to issue any fractional
Common Shares and the number of Common Shares issuable to each holder of Rights
shall be rounded down to the next whole share. The redemption of the Rights by
the Board of Directors may be made effective at such time, on such basis and
with such conditions as the Board of Directors in its sole discretion may
establish.

                  (b) Immediately upon the action of the Board of Directors of
the Company ordering the redemption of the Rights 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 


                                       22
<PAGE>

of Rights shall be to receive the Redemption Price for each Right so
held. The Corporation shall promptly give notice of any such redemption to the
Rights Agent and the holders of Rights in the manner set forth in Section 26;
provided, however, that the failure to give, or any defect in, any such notice
shall not affect the validity of such redemption. 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 Corporation
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 and other than in connection with the purchase of
Common Shares prior to the Distribution Date.

                  Section 24. Exchange. (a) Subject to Section 24(d), the Board
of Directors may, at its option, at any time after the time that 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 7(e) and Section 11(a)(ii) hereof) for
Common Shares of the Corporation at an exchange ratio of one Common Share per
Right, appropriately adjusted to reflect any stock split, stock dividend or
similar transaction occurring after the date hereof (such exchange ratio being
hereinafter referred to as the "Exchange Ratio"). Notwithstanding the foregoing,
the Board of Directors shall not be empowered to effect such exchange at any
time after any Person (other than the Corporation, any Subsidiary of the
Corporation, any employee benefit plan of the Corporation or any such
Subsidiary, any entity holding Common Shares for or pursuant to the terms of any
such plan or any trustee, administrator or fiduciary of such a 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 Corporation ordering the exchange of any Rights pursuant to subsection (a)
of this Section 24 and without any further action and without any notice, the
right to exercise such Rights shall terminate and the only right thereafter of
the holders 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 Corporation 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 Corporation 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 null and void pursuant to
the provisions of Section 7(e)) 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 (and not reserved
for issuance other than upon exercise of the Rights) to permit any exchange of
Rights as contemplated in accordance with this Section 24, the (i) Corporation
shall take all such action as may be necessary to authorize additional Common
Shares for issuance upon exchange of the Rights, or (ii) the Board of Directors
may determine to exchange Common Shares for then outstanding and exercisable
Rights at such exchange ratio of less than one Common Share per Right,
appropriately adjusted as set forth in Section 24(a) above, so that all (and not
less than all) Common Shares issued but not outstanding or authorized but
unissued (and not reserved for issuance other than upon exercise of the Rights)
are issued in the exchange contemplated by this Section 24.

                  (d) In any exchange pursuant to this Section 24, the
Corporation, at its option, may substitute common share equivalents (as defined
in Section 11(a)(iii)) for Common Shares exchangeable for Rights, at the initial
rate of one common stock equivalent for each Common Share, as appropriately
adjusted 


                                       23
<PAGE>

to reflect adjustments in dividend liquidation and voting rights of
common share equivalents pursuant to the terms thereof, so that each common
share equivalent delivered in lieu of each Common Share shall have essentially
the same dividend, liquidation and voting rights as one Common Share.

                  Section 25. Notice of Certain Events. (a) In case the
Corporation shall propose, at any time after the Distribution Date, (i) to pay
any dividend payable in stock of any class to the holders of its Common Shares
or to make any other distribution to the holders of its Common Shares (other
than a regular quarterly cash dividend), (ii) to offer to the holders of its
Common Shares rights or warrants to subscribe for or to purchase any additional
Common Shares or shares of stock of any class or any other securities, rights or
options, (iii) to effect any reclassification of its Common Shares (other than a
reclassification involving only the subdivision of outstanding Common Shares),
(iv) to effect any consolidation or merger into or with any other Person (other
than a Subsidiary of the Corporation in a transaction which does not violate
Section 11(o) hereof), or to effect any sale or other transfer (or to permit one
or more of its Subsidiaries to effect any sale or other transfer) in one or more
transactions, of 50% or more of the assets or earning power of the Corporation
and its Subsidiaries (taken as a whole) to any other Person or Persons (other
than the Corporation and/or any of its Subsidiaries in one or more transactions
each of which does not violate Section 11(o) hereof), or (v) to effect the
liquidation, dissolution or winding up of the Corporation, then, in each such
case, the Corporation shall give to the Rights Agent and to each holder of the
Right Certificate, in accordance with Section 26 hereof, a notice of such
proposed action to the extent feasible and file a certificate with the Rights
Agent to that effect, 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, if any such date is to be fixed, and such
notice shall be so given in the case of any action covered by clause (i) or (ii)
above at least twenty (20) days prior to the record date for determining holders
of the Common Shares for purposes of such action, and in the case of any such
other action, at least twenty (20) days prior to the date of the taking of such
proposed action or the date of participation therein by the holders of the
Common Shares, whichever shall be the earlier.

                  (b) Notwithstanding anything in this Agreement to the
contrary, prior to the Distribution Date a filing by the Corporation with the
Securities and Exchange Commission shall constitute sufficient notice to the
holders of the securities of the Corporation, including the Rights, for purposes
of this Agreement and no other notice need be given to such holders.

                  (c) If a Triggering Event shall occur, then (i) the
Corporation 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, which notice shall describe such event and the
consequences of such event to holders of Rights under Section 11(a)(ii) or
Section 13 hereof, as the case may be, and (ii) all references in the preceding
paragraph (a) to Common Shares shall be deemed thereafter to refer also, if
appropriate, to common share equivalents, as provided for in Section 11(a)(iii).

                  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 Corporation 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:

                  Henry Schein, Inc.
                  135 Duryea Road
                  Melville, New York  11747
                  Attention: Mark E. Mlotek, Esq.


                                       24
<PAGE>

                  Subject to the provisions of Section 21 hereof, any notice or
demand authorized by this Agreement to be given or made by the Corporation 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 Corporation) as
follows:

                  Continental Stock Transfer & Trust Company
                  2 Broadway
                  New York, NY 10004
                  Attention: Compliance Department

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

                  Section 27. Supplements and Amendments. Prior to the
Distribution Date, the Corporation and the Rights Agent shall, if the Board of
Directors so directs, supplement or amend any provision of this Agreement
without the approval of any holders of certificates representing Common Shares.
From and after the Distribution Date, the Corporation and the Rights Agent
shall, if the Board of Directors so directs, supplement or amend this Agreement
without the approval of any holders of Right Certificates in order (i) to cure
any ambiguity, (ii) to correct or supplement any provision contained herein
which may be defective or inconsistent with any other provisions herein, (iii)
to shorten or lengthen any time period hereunder or (iv) to change or supplement
the provisions hereunder in any manner which the Board of Directors may deem
necessary or desirable and which shall not adversely effect the interests of the
holders of Right Certificates (other than an Acquiring Person or an Affiliate or
Associate of an Acquiring Person); provided, however, that this Agreement may
not be supplemented or amended to lengthen, pursuant to clause (iii) of this
sentence, (A) a time period relating to when the Rights may be redeemed at such
time as the Rights are not then redeemable; or (B) any other time period unless
such lengthening is for the purpose of protecting, enhancing or clarifying the
rights of, and/or the benefits to, the holders of Rights. Upon the delivery of a
certificate from an appropriate officer of the Corporation which states that the
proposed supplement or amendment is in compliance with the terms of this Section
27, the Rights Agent shall execute such supplement or amendment, provided that
such supplement or amendment does not adversely affect the rights, duties,
liabilities or obligations of the Rights Agent under this Agreement. Prior to
the Distribution Date, the interests of the holders of Rights shall be deemed
coincident with the interests of the holders of Common Shares.

                  Section 28. Determination and Actions by the Board of
Directors of the Corporation, etc. The Board of Directors shall have the
exclusive power and authority to administer this Agreement and to exercise all
rights and powers specifically granted to the Board of Directors, or the
Corporation, or as may be necessary or advisable in the administration of this
Agreement, including, without limitation, the right and power to (i) interpret
the provisions of this Agreement, and (ii) make all determinations deemed
necessary or advisable for the administration of this Agreement (including,
without limitation, a determination to redeem or not redeem the Rights or to
amend the Agreement and whether any proposed amendment adversely affects the
interests of the holders of Right Certificates). For all purposes of this
Agreement, any calculation of the number of Common Shares or other securities
outstanding at any particular time, including for purposes of determining the
particular percentage of such outstanding Common Shares or any other securities
of which any Person is the Beneficial Owner, shall be made in accordance with
the last sentence of Rule 13d-3(d)(1)(i) of the General Rules and Regulations
under the Exchange Act as in effect on the date of this Agreement. All such
actions, calculations, interpretations and determinations (including, for
purposes of clause (y) below, all omissions with respect to the foregoing) which
are done or made by the Board of Directors in good faith, shall (x) be final,
conclusive and binding on the Corporation, the Rights Agent, the 


                                       25
<PAGE>

holders of the Right Certificates and all other parties, and (y) not subject the
Board to any liability to the holders of the Right Certificates.

                  Section 29. Successors.  All the covenants and provisions of 
this Agreement by or for the benefit of the Corporation or the Rights Agents
shall bind and inure to the benefit of their respective successors and assigns
hereunder.

                  Section 30. Benefits of this Agreement. Nothing in this
Agreement shall be construed to give to any person or corporation other than the
Corporation, 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 Corporation, the Rights Agent
and the registered holders of the Right Certificates (and, prior to the
Distribution Date, the Common Shares).

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

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

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

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

                  [Remainder of Page Intentionally Left Blank]



                                       26
<PAGE>

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

                                             HENRY SCHEIN, INC.

                                             By:  /s/ Michael A. Ettinger
                                                  ------------------------------
                                                  Name:  Michael A. Ettinger
                                                  Title: Vice-President

                                             CONTINENTAL STOCK TRANSFER & TRUST

                                             COMPANY

                                             By:  /s/ Roger Bernhammer
                                                  ------------------------------
                                                  Name:  Roger Bernhammer
                                                  Title: Vice President




                                       27
<PAGE>

                                                                       Exhibit A

                           [Form of Right Certificate]

No. R-                                                       _____________Rights

         NOT EXERCISABLE AFTER THE EARLIER OF NOVEMBER 30, 2008 AND THE DATE ON
         WHICH THE RIGHTS EVIDENCED HEREBY ARE REDEEMED OR EXCHANGED BY THE
         COMPANY AS SET FORTH IN THE RIGHTS AGREEMENT. AS SET FORTH IN THE
         RIGHTS AGREEMENT, RIGHTS ISSUED TO, OR HELD BY, ANY PERSON WHO IS, WAS
         OR BECOMES AN ACQUIRING PERSON OR AN AFFILIATE OR ASSOCIATE THEREOF (AS
         SUCH TERMS ARE DEFINED IN THE RIGHTS AGREEMENT), WHETHER CURRENTLY HELD
         BY OR ON BEHALF OF SUCH PERSON OR BY ANY SUBSEQUENT HOLDER, MAY BE NULL
         AND VOID. [THE RIGHTS REPRESENTED BY THIS RIGHT CERTIFICATE ARE OR WERE
         BENEFICIALLY OWNED BY A PERSON WHO WAS OR BECAME AN ACQUIRING PERSON OR
         AN AFFILIATE OR AN ASSOCIATE OF AN ACQUIRING PERSON (AS SUCH TERMS ARE
         DEFINED IN THE RIGHTS AGREEMENT). THIS RIGHT CERTIFICATE AND THE RIGHTS
         REPRESENTED HEREBY MAY BE OR MAY BECOME NULL AND VOID IN THE
         CIRCUMSTANCES SPECIFIED IN SECTION 7(e) OF THE RIGHTS AGREEMENT.]*

                                RIGHT CERTIFICATE
                               HENRY SCHEIN, INC.

                  This Right Certificate certifies that _________, or registered
assigns, is the registered holder of the number of Rights set forth above, each
of which entitles the holder (upon the terms and subject to the conditions set
forth in the Rights Agreement dated as of November 30, 1998 (the "Rights
Agreement") between Henry Schein, Inc., a Delaware corporation (the "Company"),
and Continental Stock Transfer & Trust Company (the "Rights Agent")) to purchase
from the Company, at any time after the Distribution Date and prior to the
Expiration Date, one-tenth of a fully paid, nonassessable share of the Common
Stock, par value $0.01 (the "Common Shares"), of the Company at a purchase price
of $185 per whole Common Share (the "Purchase Price"), payable in lawful money
of the United States of America, upon surrender of this Right Certificate, with
the form of election to purchase and related certificate duly executed, and
payment of the Purchase Price at an office of the Rights Agent designated for
such purpose.

                  Terms used herein and not otherwise defined herein have the
meanings assigned to them in the Rights Agreement.

                  The number of Rights evidenced by this Right Certificate (and
the number and kind of shares issuable upon exercise of each Right) and the
Purchase Price set forth above are as of November 30, 

- --------
         * If applicable, insert this portion of the legend and delete the
preceding sentence.


                                      A-1
<PAGE>

1998, and may have been or in the future be adjusted as a result of the
occurrence of certain events, as more fully provided in the Rights Agreement.

                  Upon the occurrence of a Section 11(a)(ii) Event, if the
Rights evidenced by this Right Certificate are beneficially owned by (a) an
Acquiring Person or an Associate or Affiliate of an Acquiring Person, (b) a
transferee of a Acquiring Person (or any such Associate or Affiliate thereof)
who becomes a transferee after the Acquiring Person becomes such, or (c) under
certain circumstances specified in the Rights Agreement, a transferee of an
Acquiring Person (or any such Associate or Affiliate thereof) who becomes a
transferee prior to or concurrently with the Acquiring Person becoming such,
such Rights shall become null and void without any further action, and no holder
hereof shall have any rights whatsoever with respect to such Rights, whether
under any provision of the Rights Agreement or otherwise.

                  This Right Certificate is subject to all of the terms,
covenants and restrictions of the Rights Agreement, which terms, covenants and
restrictions are hereby incorporated herein by reference and made a part hereof
and to which Rights Agreement reference is hereby made for a full description of
the rights, limitations of rights, obligations, duties and immunities hereunder
of the Rights Agent, the Company and the holders of the Right Certificates,
which limitations of rights include the temporary suspension of the
exercisability of such Rights under the specific circumstances set forth in the
Rights Agreement.

                  Upon surrender at the principal office or offices of the
Rights Agent designated for such purpose and subject to the terms and conditions
set forth in the Rights Agreement, any Rights Certificate or Certificates may be
transferred or exchanged for another Rights Certificate or Certificates
evidencing a like number of Rights as the Rights Certificate or Certificates
surrendered.

                  Subject to the provisions of the Rights Agreement, the Board 
of Directors of the Company may, at its option,

                           (a) at any time prior to the earlier of (i) the time
                  that any Person becomes an Acquiring Person or (ii) the Final
                  Expiration Date, redeem all but not less than all the then
                  outstanding Rights at a redemption price of $.01 per Right
                  (subject to adjustment); or

                           (b) at any time after the time that any Person
                  becomes an Acquiring Person (but before such Person, together
                  with all Affiliates and Associates of such Person, becomes the
                  Beneficial Owner of 50% or more of the Common Shares then
                  outstanding), exchange all or part of the then outstanding
                  Rights (other than Rights held by the Acquiring Person and
                  certain related Persons) for Common Shares at an exchange
                  ratio of one Common Share per Right (subject to adjustment).

                  No fractional Common Shares will be issued upon the exercise
of any Right or Rights evidenced hereby, but in lieu thereof a cash payment will
be made, as provided in the Rights Agreement. If this Right Certificate shall be
exercised in part, the holder shall be entitled to receive upon surrender hereof
another Right Certificate or Certificates for the number of whole Rights not
exercised, or the Rights Agent shall place an appropriate notation on this Right
Certificate with respect to those Rights exercised.

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


                                      A-2
<PAGE>

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

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

                  IN WITNESS WHEREOF, the Company has caused this instrument to
be duly executed under its corporate seal by its authorized officers.

Dated as of ________, 19__

                                                     HENRY SCHEIN, INC.

                                                     By  _______________________
                                                         Name:
                                                         Title:

[SEAL]

Attest:

_________________________
Secretary

Countersigned:

CONTINENTAL STOCK TRANSFER & TRUST COMPANY
as Rights Agent

By ___________________
  Authorized Signature



                                      A-3
<PAGE>

                    Form of Reverse Side of Right Certificate

                               FORM OF ASSIGNMENT
                               ------------------

                    (To be executed if the registered 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: _______, 19__

                                                          ______________________
                                                             Signature

Signature Guaranteed:



                                      A-4
<PAGE>

                                   Certificate

                  The undersigned hereby certifies by checking the appropriate
boxes that:

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

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

                  (3) the action requested by the undersigned is not prohibited
by the provisions of the Rights Agreement, including, without limitation, the
provisions relating to the (i) transfer, split-up, combination and exchange of
rights which are null and void or (ii) exercise by an Acquiring Person or an
Affiliate or Associate of an Acquiring Person of any Right which by its terms is
null and void.

Dated: _______________, 19__

                                                 ______________________________
                                                  Signature

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

                  The signatures to the foregoing Assignment and Certificate
must correspond to the name as written upon the face of this Right Certificate
in every particular, without alteration or enlargement or any change whatsoever.

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




                                      A-5
<PAGE>

                          FORM OF ELECTION TO PURCHASE

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

To:  HENRY SCHEIN, INC.

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

Please insert social security
or other identifying number

________________________________________________________________________________
                         (Please print name and address)

________________________________________________________________________________

                  If such number of Rights specified above shall not be all the
Rights evidenced by this Right Certificate, the Rights Agent shall place an
appropriate notation on this Right Certificate with respect to those Rights
exercised or a new Right Certificate for the balance of such Rights shall be
registered in the name of and delivered to:

Please insert social security
or other identifying number

________________________________________________________________________________
                         (Please print name and address)

________________________________________________________________________________


Dated: _______________, 19__

                                                 ______________________________
                                                  Signature


Signature Guaranteed:


                                      A-6
<PAGE>

                                   Certificate

                  The undersigned hereby certifies by checking the appropriate
boxes that:

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

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

                  (3) the exercise of the Rights evidenced by this Right
Certificate is not prohibited by the terms of the Rights Agreement, including,
without limitation, the provisions relating to the exercise by an Acquiring
Person or an Affiliate or Associate of an Acquiring Person of any Right which by
its terms is null and void.


Dated: _______________, 19__

                                                 ______________________________
                                                  Signature


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

                  The signature to the foregoing Election to Purchase and
Certificate must correspond to the name as written upon the face of this Right
Certificate in every particular, without alteration or enlargement or any change
whatsoever.
                                 --------------




                                      A-7
<PAGE>

                                                                       Exhibit B

                      SUMMARY OF RIGHTS TO PURCHASE SHARES

                  On November 30, 1998, the Board of Directors of Henry Schein,
Inc. (the "Corporation" or the "Company") declared a dividend distribution of
one right (a "Right") to purchase one-tenth of a share of the Common Stock, $.01
par value, of the Corporation (the "Common Shares") for each outstanding share
of Common Stock, payable to the stockholders of record on December 14, 1998 (the
"Record Date"). The Board of Directors also authorized and directed the issuance
of one Right with respect to each Common Share issued thereafter until the
Distribution Date (as defined below) and, in certain circumstances, with respect
to Common Shares issued after the Distribution Date. Except as set forth below,
each Right, when it becomes exercisable, entitles the registered holder to
purchase from the Corporation one-tenth of a Common Share at a price of $185 per
whole Common Share (the "Purchase Price"), subject to adjustment. The
description and terms of the Rights are set forth in a Rights Agreement (the
"Rights Agreement") between the Corporation and Continental Stock Transfer &
Trust Company, as Rights Agent (the "Rights Agent"), dated as of November 30,
1998.

                  Initially, the Rights will be attached to all certificates
representing Common Shares then outstanding, and no separate Right Certificates
will be distributed. The Rights will separate from the Common Shares upon the
earliest to occur of (i) a person or entity (a "Person") or group of affiliated
or associated Persons (a "Group") having acquired beneficial ownership of 15% or
more of the outstanding Common Shares (except pursuant to a Permitted Offer, as
hereinafter defined); or (ii) 10 business days (or such later date as the Board
of Directors may determine) 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 becoming an Acquiring Person (as hereinafter
defined) (the earliest of such dates being called the "Distribution Date"). A
Person or Group whose acquisition of Common Shares causes a Distribution Date
pursuant to clause (i) above is an "Acquiring Person." The date that a Person or
Group becomes an Acquiring Person is the "Shares Acquisition Date."

                   Notwithstanding the foregoing, certain stockholders who
currently own in excess of 15% of the outstanding Common Shares and their
affiliates and associates ("Grandfathered Stockholders") will not be deemed to
be Acquiring Persons and their ownership will not cause a Distribution Date
unless they acquire additional Common Shares equal to more than 20% of the
number of Common Shares owned by them on the date of the Rights Agreement.
Grandfathered Stockholders may transfer some or all of the Common Shares which
they beneficially own to any Person that does not, prior to such transfer,
beneficially own more than 1% of the outstanding shares.

                  In addition, a Person who acquires Common Shares pursuant to a
tender or exchange offer which is for all outstanding Common Shares at a price
and on terms which the Board of Directors determines (prior to acquisition) to
be adequate and in the best interests of the Corporation and its stockholders
(other than such Person, its affiliates and associates) (a "Permitted Offer")
will not be deemed to be an Acquiring Person and such Person's ownership will
not constitute a Distribution Date. Furthermore, no party to the Amended and
Restated HSI Agreement, dated as of February 10, 1994, as amended (the "HSI
Agreement"), the Voting Trust dated September 30, 1994, as amended, or any of
the Restructuring Agreements (as defined in the HSI Agreement) will be deemed,
by virtue of such agreements, to be the beneficial owner of any of the Common
Shares beneficially owned by any of the other parties thereto, and such
agreements shall not be deemed to cause the parties thereto to be considered a
group for purposes of the definition of Acquiring Person.


                                      B-1
<PAGE>

                  The Rights Agreement provides that, until the Distribution
Date, the Rights will be transferred with and only with the Common Shares. Until
the Distribution Date (or earlier redemption or expiration of the Rights), new
Common Share certificates issued after the Record Date upon the transfer or new
issuance of Common Shares will contain a notation incorporating the Rights
Agreement by reference. Until the Distribution Date (or earlier redemption or
expiration of the Rights), the surrender for transfer of any certificates for
Common Shares outstanding as of the Record Date, even without such notation or a
copy of this Summary of Rights being attached thereto, will also constitute the
transfer of the Rights associated with the Common Shares represented by such
certificate. As soon as practicable following the Distribution Date, separate
certificates evidencing the Rights ("Right Certificates") will be mailed to
holders of record of the Common Shares as of the close of business on the
Distribution Date (and to each initial record holder of certain Common Shares
issued after the Distribution Date), and such separate Right Certificates alone
will evidence the Rights.

                  The Rights are not exercisable until the Distribution Date,
and will expire at the close of business on November 30, 2008, unless earlier
redeemed by the Corporation as described below.

                  In the event that any person becomes an Acquiring Person, each
holder of Rights (other than Rights that have become null and void as described
below) will thereafter have the right (the "Flip-In Right") to receive, upon
exercise of such Rights, the number of Common Shares (or, in certain
circumstances, other securities of the Corporation) having a value (immediately
prior to such triggering event) equal to two times the aggregate exercise price
of such Rights. For example, if a Person became an Acquiring person at a time
when the current per share market price of the Corporation's Common Shares is
$37 (and prior to any antidilution adjustment as described below), each holder
of a Right (other than a Right which has become null and void as described
herein) would have the right to receive upon the exercise of the Right ten
Common Shares upon the payment of an exercise price of $185.

                  The Board, at its option, may exchange each Right (other than
those that have become null and void as described below) for one Common Share in
lieu of the Flip-In Right, provided no Person is the beneficial owner of 50% or
more of the Common Shares at the time of such exchange. Notwithstanding the
foregoing, following the occurrence of the event described above, all Rights
that are or (under certain circumstances specified in the Rights Agreement) were
beneficially owned by any Acquiring Person or any affiliate or associate thereof
or certain transferees thereof will be null and void.

                  In the event that, at any time following the Shares
Acquisition Date, (i) the Corporation is acquired in a merger or other business
combination transaction in which the holders of all of the outstanding Common
Shares immediately prior to the consummation of the transaction are not the
holders of all of the surviving corporation's voting power, or (ii) more than
50% of the Corporation's assets or earning power is sold or transferred, then
each holder of Rights (except Rights which previously have been voided as set
forth above) shall thereafter have the right (the "Flip-Over Right") to receive,
upon exercise of such Rights, common shares of the acquiring company (or in
certain circumstances, its parent) having a value equal to two times the
aggregate exercise price of the Rights; provided, however, that the Flip Over
Right shall not apply to any transaction described in clause (i) if (x) such
transaction is with a Person or Persons (or a wholly owned subsidiary of any
such Person or Persons) that acquired Common Shares pursuant to a Permitted
Offer and (y) the price and form of consideration offered in such transaction is
the same as that paid to all holders of Common Shares whose shares were
purchased pursuant to the Permitted Offer. The holder of a Right will continue
to have the Flip-Over Right whether or not such holder exercises or surrenders
the Flip-In Right.

                  The Purchase Price payable, and the number of Common Shares or
other securities issuable, upon exercise of the Rights are subject to adjustment
from time to time to prevent dilution (i) in the event of a stock dividend on,
or a subdivision, combination or reclassification of, the Common Shares, (ii)


                                      B-2
<PAGE>

upon the grant to holders of the Common Shares of certain rights or warrants to
subscribe for or purchase Common Shares at a price, or securities convertible
into Common Shares with a conversion price, less than the then current market
price of the Common Shares, or (iii) upon the distribution to holders of the
Common Shares of evidences of indebtedness or assets (excluding regular
quarterly 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 require an adjustment of at least
1% in such Purchase Price. No fractional Common Shares will be issued and, in
lieu thereof, an adjustment in cash will be made based on the market price of
the Common Shares on the last trading day prior to the date of exercise.

                  At any time prior to the earlier to occur of (i) a person
becoming an Acquiring Person or (ii) the expiration of the Rights, the
Corporation may redeem the Rights in whole, but not in part, at a price of $.01
per Right (the "Redemption Price"), which redemption shall be effective at such
time, on such basis and with such conditions as the Board of Directors may
establish in its sole discretion. The Corporation may, at its option, pay the
Redemption Price in Common Shares.

                  All of the provisions of the Rights Agreement may be amended
by the Board of Directors prior to the Distribution Date. After the Distribution
Date, the provisions of the Rights Agreement may be amended by the Board in
order to cure any ambiguity, defect or inconsistency, to make changes which do
not adversely affect the interests of holders of Rights (excluding the interests
of any Acquiring Person), or, subject to certain limitations, to shorten or
lengthen any time period under the Rights Agreement.

                  Until a Right is exercised, the holder thereof, as such, will
have no rights as a stockholder of the Corporation, including, without
limitation, the right to vote or to receive dividends. While the distribution of
the Rights will not be taxable to stockholders of the Corporation, stockholders
may, depending upon the circumstances, recognize taxable income should the
Rights become exercisable or upon the occurrence of certain events thereafter.


                                      B-3


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