MINING SERVICES INTERNATIONAL CORP/
8-K, 1999-07-21
MISCELLANEOUS CHEMICAL PRODUCTS
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                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

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


                                    FORM 8-K

                                 CURRENT REPORT

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


                       Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934

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


         Date of Report (Date of earliest event reported): May 19, 1999

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


                    MINING SERVICES INTERNATIONAL CORPORATION
                    -----------------------------------------

             (Exact name of registrant as specified in its charter)

            Utah                    0-10634            87-0351702
- ------------------------------ ---------------- -----------------------

(State or other jurisdiction  (Commission File No.)   (IRS Employer
      of incorporation)                               Identification No.)


                            8805 South Sandy Parkway
                             Sandy, Utah 84070-6408
                         -------------------------------

             (Address of principal executive offices, including zip
                                      code)

                                 (801) 233-6000
                         -------------------------------
              (Registrant's telephone number, including area code)

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



<PAGE>


Item 5.  Other Events

         Mining   Services   International   Corporation   (the   "Company")  is
voluntarily  filing this Report on Form 8-K to report a dividend of common share
purchase  rights to the holders of the Common Stock,  par value $.001 per share,
of the Company (the "Common Shares") as summarized below.

                  On May  19,  1999,  the  Board  of  Directors  of the  Company
declared a dividend of one common  share  purchase  right (a  "Right")  for each
outstanding  Common Share.  The dividend is payable on May 19, 1999 (the "Record
Date") to the  stockholders  of record on that  date.  Each Right  entitles  the
registered  holder to purchase  from the Company one Common  Share at a price of
$20 per Common Share (the "Purchase Price"),  subject to adjustment.  The Rights
will  expire on May 18,  2009 (the "Final  Expiration  Date"),  unless the Final
Expiration  Date is  extended  or unless  the  Rights are  earlier  redeemed  or
exchanged by the Company.  The description and terms of the Rights are set forth
in a Rights  Agreement  (the "Rights  Agreement")  between the Company and Zions
First  National  Bank as Rights Agent (the "Rights  Agent"),  a copy of which is
filed herewith as Exhibit 99.1 to this Form 8-K.

                  The Rights can not be exercised until the "Distribution  Date"
has  occurred.  The  Distribution  Date is the  earlier to occur of (i) ten days
following  a public  announcement  that a  person  or  group  of  affiliated  or
associated  persons (an  "Acquiring  Person") have  acquired  shared and/or sole
voting power with respect to 25% or more of the  outstanding  Common Shares;  or
(ii) ten business days (or such later date as may be determined by action of the
Board of  Directors  prior to such  time as any  person  or group of  affiliated
persons  becomes  an  Acquiring   Person)  following  the  commencement  of,  or
announcement  of an  intention  to make,  a tender  offer or exchange  offer the
consummation of which would result in the acquisition,  by a person or group, of
sole and/or shared  voting power with respect to 25% or more of the  outstanding
Common Shares.  In the event that the Board of Directors  makes a  determination
that a Person  does not have  beneficial  ownership  of the shared  and/or  sole
voting  power  of  certain  Common  Shares,  then  such  Person  shall  not have
beneficial  ownership  of shared  and/or sole voting  power with respect to such
Common  Shares  until a final  judicial  determination  of  ownership  and/or  a
redetermination  of  ownership  by  the  Board  of  Directors.  Such  beneficial
ownership  shall  become   effective   fifteen   business  days  following  such
determination or redetermination.

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

                  Unless  the  Rights  are  earlier  redeemed,  have  previously
expired, or have been exchanged by the Board of Directors for Common Shares, the
effect of the Rights Agreement is to provide that each holder of a Right,  other
than Rights  beneficially  owned by an Acquiring  Person (which will have become
void before or on the  Distribution  Date),  will  thereafter  have the right to
receive upon  exercise that number of Common Shares having a market value of two
times the  exercise  price of the Right.  Also in the event that the  Company is
acquired in a merger or other business combination transaction or 50% or more of
its  consolidated  assets or earning  power are sold after a person or group has
become an Acquiring Person, proper provision will be made so that each holder of
a Right (other than Rights owned by an Acquiring Person,  which will have become
void) will  thereafter have the right to receive,  upon the exercise  thereof at
the then current  exercise  price of the Right,  that number of shares of common
stock of the acquiring company which at the time of such transaction will have a
market value of two times the exercise price of the Right.


<PAGE>

                  The definition of an Acquiring Person does not include certain
Exempt Persons which are defined as the Company,  any Subsidiary of the Company,
any employee benefit plan of the Company or any person holding Common Shares for
or pursuant to the terms of any such plan,  or any Person that  acquires  Common
Shares  from the  Company  pursuant  to a  transaction  approved by the Board of
Directors of the Company.

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

                  The  number of  outstanding  Rights  and the  number of Common
Shares  issuable  upon  exercise of each Right are also subject to adjustment in
the  event of a stock  split of the  Common  Shares or a stock  dividend  on the
Common  Shares  payable  in Common  Shares or  subdivisions,  consolidations  or
combinations  of the Common  Shares  occurring,  in any such case,  prior to the
Distribution Date.

                  Common  Shares  purchasable  upon  exercise of the Rights will
have the same rights,  entitlements and preferences provided to all other Common
Shares.

                  The Rights  Agreement  provides that,  until the  Distribution
Date (or earlier  redemption or  expiration  of the Rights),  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  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.
The  Rights  will  be  evidenced,  with  respect  to  any of  the  Common  Share
certificates outstanding as of the Record Date by such Common Share certificates
with a copy of the Summary of Rights in  substantially  the form of exhibit B to
the Rights agreement.  As soon as practicable  following the Distribution  Date,
separate  certificates  evidencing  the Rights  ("Right  Certificates")  will be
mailed to holders of record of the Common  Shares as of the close of business on
the Distribution Date and such separate Right  Certificates  alone will evidence
the Rights.

                  At any time prior to the  acquisition  by a person or group of
affiliated or associated  persons of beneficial  ownership of 25% or more of the
outstanding  Common Shares, the Board of Directors of the Company may redeem the
Rights  in  whole,  but not in  part,  at a  price  of  $.0001  per  Right  (the
"Redemption  Price"). The redemption of the Rights may be made effective at such
time on such basis with such  conditions  as the Board of  Directors in its sole
discretion may  establish.  Immediately  upon any redemption of the Rights,  the
right to exercise the Rights will terminate and the only right of the holders of
Rights will be to receive the Redemption Price.



<PAGE>

                  The  terms  of the  Rights  may be  amended  by the  Board  of
Directors  of the  Company  without  the  consent of the  holders of the Rights,
including an amendment to lower certain  thresholds  described above to not less
than the  greater  of (i) the sum of .001%  and the  largest  percentage  of the
outstanding  Common Shares then known to the Company to be beneficially owned by
any person or group of  affiliated or  associated  persons and (ii) 10%,  except
that from and after such time as any person or group of affiliated or associated
persons becomes an Acquiring  Person no such amendment may adversely  affect the
interests of the holders of the Rights.

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

                  A copy of the Rights  Agreement  is  available  free of charge
from the Company.  This report filed on form 8-K does not purport to be complete
and is qualified in its entirety by reference to the Rights Agreement,  which is
hereby incorporated herein by reference.


<PAGE>


Item 7.  Exhibits.

The following item is filed as an exhibit to this report:


         Exhibit No.                     Description of Document

              99.1                  Rights  Agreement dated as of May
                                    19, 1999, between Mining Services
                                    International   Corporation   and
                                    Rights Agent, including Exhibit A
                                    (Form of Right  Certificate)  and
                                    Exhibit B  (Summary  of Rights to
                                    Purchase Common Shares).

<PAGE>



                                   SIGNATURES

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

                                    MINING SERVICES INTERNATIONAL CORPORATION



                                    /s/ Duane W. Moss
                                    --------------------------
                                    Duane W. Moss
                                    Chief Financial Officer and Legal Counsel

Date: July 21, 1999


                    MINING SERVICES INTERNATIONAL CORPORATION


                                       AND


                     ZIONS FIRST NATIONAL BANK, RIGHTS AGENT





                                RIGHTS AGREEMENT





                            Dated as of May 19, 1999









<PAGE>


                                TABLE OF CONTENTS
<TABLE>
<CAPTION>

                                                                                                               Page


<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 Certificates......................................................................5

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

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

Section 7.        Exercise of Rights; Purchase Price; Expiration Date of Rights...................................6

Section 8.        Cancellation and Destruction of Right Certificates..............................................7

Section 9.        Availability of Common Shares...................................................................7

Section 10.       Common Shares Record Date.......................................................................8

Section 11.       Adjustment of Purchase Price, Number of Shares or Number of Rights..............................8

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

Section 13.       Consolidation, Merger or Sale or Transfer of Assets or Earning Power...........................12

Section 14.       Fractional Rights and Fractional Shares........................................................13

Section 15.       Rights of Action...............................................................................14

Section 16.       Agreement of Right Holders.....................................................................14

Section 17.       Right Certificate Holder Not Deemed a Stockholder..............................................15

Section 18.       Concerning the Rights Agent....................................................................15

Section 19.       Merger or Consolidation or Change of Name of Rights Agent......................................15

Section 20.       Duties of Rights Agent.........................................................................16

Section 21.       Change of Rights Agent.........................................................................17

Section 22.       Issuance of New Right Certificates.............................................................18

Section 23.       Redemption.....................................................................................18

                                       i
<PAGE>

Section 24.       Exchange.......................................................................................19

Section 25.       N otice of Certain Events......................................................................19

Section 26.       Notices........................................................................................20

Section 27.       Supplements and Amendments.....................................................................20

Section 28.       Successors.....................................................................................21

Section 29.       Benefits of this Agreement.....................................................................21

Section 30.       Severability...................................................................................21

Section 31.       Governing Law..................................................................................21

Section 32.       Counterparts...................................................................................21

Section 33.       Descriptive Headings...........................................................................21

EXHIBIT A         Form of Right Certificate......................................................................A1

EXHIBIT BSummary of Rights to Purchase Common Shares.............................................................B1

</TABLE>

                                       ii
<PAGE>




                                RIGHTS AGREEMENT


         AGREEMENT,   dated  as  of  May  19,  1999,   between  Mining  Services
International  Corporation,  a Utah corporation (the "Company"), and Zions First
National Bank (the "Rights Agent").

         The Board of  Directors  of the Company has  authorized  and declared a
dividend of one common  share  purchase  right (a "Right") for each Common Share
(as hereinafter defined) of the Company outstanding on May 19, 1999 (the "Record
Date"), each Right representing the right to purchase one 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 and the Final  Expiration Date (as such
terms are hereinafter defined).

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

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

                  (a) "Acquiring  Person" shall mean any Person (as such term is
hereinafter  defined) who or which,  together with all Affiliates and Associates
(as such terms are  hereinafter  defined) of such Person,  shall be a Beneficial
Owner (as such term is hereinafter defined) of 25% (the "Threshold  Percentage")
or more of the  Common  Shares  (as such  term is  hereinafter  defined)  of the
Company   then   outstanding,   but  shall  not  include   any  Exempt   Person.
Notwithstanding  the foregoing,  no Person shall become an "Acquiring Person" as
the result of an acquisition of Common Shares by the Company which,  by reducing
the number of shares outstanding,  increases the proportionate  number of shares
beneficially  owned by such Person to the  Threshold  Percentage  or more of the
Common  Shares of the Company then  outstanding;  provided,  however,  that if a
Person shall become the Beneficial Owner of the Threshold  Percentage or more of
the Common Shares of the Company then  outstanding by reason of share  purchases
by the Company and shall, after such share purchases by the Company,  become the
Beneficial  Owner of any  additional  Common  Shares of the  Company,  then such
Person shall be deemed to be an "Acquiring  Person."  Notwithstanding  any other
provision  in this  Section  1(a),  if the  Board of  Directors  of the  Company
determines  in good  faith that a Person who would  otherwise  be an  "Acquiring
Person," as defined pursuant to the foregoing  provisions of this paragraph (a),
has  become  such  inadvertently,   and  such  Person  divests  as  promptly  as
practicable  a sufficient  number of Common  Shares so that such Person would no
longer be an "Acquiring Person," as defined pursuant to the foregoing provisions
of this  paragraph (a), then such Person shall not be deemed to be an "Acquiring
Person" for any purposes of this Agreement.

                  (b) With  respect  to a Person,  "Affiliate"  and  "Associate"
shall have the respective  meanings  ascribed to such terms in Rule 12b-2 of the
General  Rules and  Regulations  under the  Securities  Exchange Act of 1934, as
amended (the "Exchange  Act"), as in effect on the date of this  Agreement,  and
shall include, without limitation,  and without the need to prove whether any of
the following  controls,  is controlled by, or is under common control with such
Person,   all  members  of  such   Person's   family  within  three  degrees  of
consanguinity and all members of a group (within the meaning of Section 13(d) or
14(d)(2) of the Exchange Act) of which such Person is a member or a part.



                                       1
<PAGE>


                  (c) For purposes of this Agreement  only, and not for purposes
of any other agreement or any law, a Person shall be deemed a "Beneficial Owner"
of and shall be deemed to "beneficially  own" or have "beneficial  ownership" of
any securities:

                           (i) with  respect to which such Person or any of such
Person's  Affiliates or  Associates  has sole and/or shared voting power (within
the  meaning of Rule 13d-3  promulgated  under the  Exchange  Act),  directly or
indirectly;

                           (ii) with respect to which such Person or any of such
Person's  Affiliates  or  Associates  has (A) the right to acquire  sole  and/or
shared voting power (whether such right is exercisable immediately or only after
the passage of time)  pursuant to any agreement,  arrangement  or  understanding
(other than customary agreements with and between underwriters and selling group
members with respect to a bona fide public offering of securities),  or upon the
exercise of conversion rights,  exchange rights, rights (other than the Rights),
warrants or options, or otherwise; provided, however, that a Person shall not be
deemed the Beneficial  Owner of, or to  beneficially  own,  securities  tendered
pursuant  to a tender or  exchange  offer made by or on behalf of such Person or
any of such Person's Affiliates or Associates until such tendered securities are
accepted  for  purchase or  exchange;  or (B) the right to vote  pursuant to any
agreement, arrangement or understanding;  provided, however, that a Person shall
not be deemed the Beneficial  Owner of, or to beneficially  own, any security if
the  agreement,  arrangement or  understanding  to vote such security (1) arises
solely from a revocable proxy, or consent, given to such Person in response to a
proxy or consent  solicitation  made  pursuant to, and in accordance  with,  the
applicable  rules and  regulations  promulgated  under the  Exchange  Act or any
appointment  of the Company or any of its  officers as proxy with respect to any
securities  pursuant to any requirement or condition  relating to the listing of
the Company or any of its  securities on a national or regional  stock  exchange
and (2) is not also then  reportable  on Schedule 13D under the Exchange Act (or
any comparable or successor report); or

                           (iii) with respect to which sole and/or shared voting
power is held,  acquired  and/or  exercised  (as defined in clauses (i) and (ii)
above),  directly or  indirectly,  by any other Person with which such Person or
any of such Person's Affiliates or Associates has any agreement,  arrangement or
understanding (other than customary agreements with and between underwriters and
selling group members with respect to a bona fide public offering of securities)
for the purpose of acquiring, holding, voting (except to the extent contemplated
by the proviso to Section  1(c)(ii)(B))  or disposing of any  securities  of the
Company.

                  Notwithstanding  anything  in this  definition  of  Beneficial
Ownership  to the  contrary,  the  phrase  "then  outstanding,"  when  used with
reference to a Person's Beneficial Ownership of securities of the Company, shall
mean the number of such securities then issued and outstanding together with the
number of such securities not then actually  issued and  outstanding  which such
Person would be deemed to own beneficially hereunder. Further, the Company shall
assist the Rights Agent in determining  Beneficial  Ownership through engagement
of a  professional  solicitation  firm in connection  with any  distribution  of
Rights Certificates.

                  Notwithstanding anything in this Agreement to the contrary, if
the Board of Directors of the Company makes the determination that a Person does
not have sole and/or shared voting power with respect to any Common Shares (such
determination shall include,  without limitation,  the determination made by the
Board of Directors of the Company at its meeting on May 19, 1999 with respect to
the Common Shares held of record by the BLA Investment Irrevocable Trust on that
date) then such Person shall not have beneficial ownership, for purposes of this
Agreement only (and not for purposes of any other  agreement or any law), of any
such Common Shares until a court or other  adjudicative  body with  jurisdiction


                                       2
<PAGE>

over the Company  makes a final  judicial  determination  that is not subject to
appeal,  or,  following  receipt of a written request from the Person seeking to
have  such  voting  power,  the  Board  of  Directors  of the  Company  makes  a
redetermination,  that such  Person has sole  and/or  shared  voting  power with
respect to 25% or more of the Common Shares (each such judicial determination or
redetermination  by the Board of Directors  being a "Voting  Determination").  A
Person shall be deemed to have  acquired  beneficial  ownership as a result of a
Voting   Determination   on  the  fifteenth   business  day  after  such  Voting
Determination. To the extent that such Voting Determination is made with respect
to an amount of Common  Shares that would  cause the Person  whose power to vote
such Common Shares is determined in such Voting Determination to have Beneficial
Ownership of Common Shares, as a percentage of all of the issued and outstanding
Common  Shares,  equal to or in excess of the  Threshold  Percentage,  then such
Person shall be an Acquiring Person.

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

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

                   (f)  "Common  Shares"  shall mean either the shares of Common
Stock, par value $.001, of the Company.

                  (g) "Distribution Date" shall mean the earlier to occur of (i)
the  fifteenth  business  day after  the  Shares  Acquisition  Date and (ii) the
fifteenth  business  day after the Intent to Acquire  Shares Date (or such later
date as may be determined by action of the Board of Directors prior to such time
as any Person becomes an Acquiring Person).

                  (h) "Exempt Person" shall mean the Company,  any Subsidiary of
the Company,  any employee  benefit plan of the Company or of any  Subsidiary of
the Company,  any entity  holding  Common Shares for or pursuant to the terms of
any such plan,  or any Person  that  purchases  Common  Shares  from the Company
pursuant to a transaction approved by a Board of Directors of the Company.

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

                  (j) "Intent to Acquire Shares Date" shall mean the date of the
commencement  by any Person  (other  than an Exempt  Person) of, or of the first
public announcement of the intention of any Person (other than an Exempt Person)
to commence,  a tender or exchange offer the  consummation of which would result
in any Person becoming an Acquiring Person (including,  without limitation,  any
such date which is on or after the date of this Agreement).

                  (k) "Other  Common  Shares"  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  (as such term is  hereinafter  defined) of another
Person,  the Person or Persons  which  ultimately  control such  first-mentioned
Person.

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

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

                                       3
<PAGE>



                  (n) "Purchase Price" shall mean the price per Common Share set
forth in the Right Certificate representing such Common Share.

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

                  (p)  "Subsidiary"  of any Person shall mean any corporation or
other entity of which 20% of the voting power of the voting equity securities or
equity  interest is owned,  directly or indirectly,  by such Person or any joint
venture of which the equity interest, directly or indirectly, by such Person.

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

         Section 3.        Issue of Right Certificates.

                  (a)  Until  the  Distribution  Date,  (i) the  Rights  will be
evidenced (subject to the provisions of Section 3(b) hereof) by the certificates
for  Common  Shares  registered  in the  names  of the  holders  thereof  (which
certificates shall also be deemed to be Right  Certificates) and not by separate
Right  Certificates,  and (ii) the right to receive Right  Certificates  will be
transferable  only in connection with the transfer of Common Shares.  As soon as
practicable  after the Distribution  Date, the Company will prepare and execute,
the Rights Agent will countersign, and the Company will send or cause to be sent
(and the  Rights  Agent  will,  if  requested,  send) by  first-class,  insured,
postage-prepaid  mail, to each record holder of Common Shares as of the close of
business on the  Distribution  Date,  at the address of such holder shown on the
records  of the  Company,  a Right  Certificate,  in  substantially  the form of
Exhibit A hereto (a "Right  Certificate"),  evidencing one Right for each Common
Share so held. As of the Distribution  Date, the Rights will be evidenced solely
by such Right Certificates.

                  (b) On the Record Date, or as soon as practicable  thereafter,
the Company will send a copy of a Summary of Rights to Purchase  Common  Shares,
in  substantially  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  Company.  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,  with or without a copy of the Summary of Rights
attached  thereto,  shall also constitute the transfer of the Rights  associated
with the Common Shares represented thereby.

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


                                       4
<PAGE>

         This  certificate  also  evidences  and entitles  the holder  hereof to
         certain  rights  as set  forth in a  Rights  Agreement  between  Mining
         Services  International  Corporation  (the  "Company")  and Zions First
         National  Bank, as rights agent,  dated as of May 19, 1999 (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 the Company.  Under certain  circumstances,  as set forth in
         the  Rights  Agreement,  such  Rights  will be  evidenced  by  separate
         certificates and will no longer be evidenced by this  certificate.  The
         Company  will  mail to the  holder  of this  certificate  a copy of the
         Rights  Agreement  without  charge after  receipt of a written  request
         therefor.  Under  certain  circumstances,  as set  forth in the  Rights
         Agreement,  Rights issued to any Person who becomes an Acquiring Person
         (as defined in the Rights Agreement) 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 Company  purchases  or acquires any
Common  Shares  after the Record Date but prior to the  Distribution  Date,  any
Rights  associated with such Common Shares shall be deemed cancelled and retired
so that the Company shall not be entitled to exercise any Rights associated with
the Common Shares which are no longer outstanding.

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

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


                                       5
<PAGE>


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

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

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

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

                  (a)  The  registered  holder  of  any  Right  Certificate  may
exercise the Rights evidenced  thereby (except as otherwise  provided herein) in
whole or in part at any time after the  Distribution  Date upon surrender of the
Right  Certificate,  with the form of election  to purchase on the reverse  side
thereof duly executed, to the Rights Agent at the principal office of the Rights
Agent,  together with payment of the Purchase  Price for each Common Share as to
which the Rights are exercised,  at or prior to the earliest of (i) the close of
business on May 18, 2009 (the "Final Expiration  Date"),  (ii) the time at which
the Rights are  redeemed  as  provided  in  Section 23 hereof  (the  "Redemption
Date"),  or (iii) the time at which such  Rights are  exchanged  as  provided in
Section 24 hereof.

                  (b) The  Purchase  Price  for each  Common  Share  purchasable
pursuant to the exercise of a Right shall initially be $20, and shall be subject
to adjustment from time to time as provided in Section 11 or 13 hereof and shall
be payable in lawful money of the United  States of America in  accordance  with
paragraph (c) below.

                  (c)  Upon   receipt  of  a  Right   Certificate   representing
exercisable  Rights,  with the  form of  election  to  purchase  duly  executed,
accompanied  by payment of the Purchase Price for the shares to be purchased and
an amount equal to any applicable transfer tax required to be paid by the holder
of such Right  Certificate  in  accordance  with  Section 9 hereof by  certified


                                       6
<PAGE>

check,  cashier's check or money order payable to the order of the Company,  the
Rights Agent shall thereupon promptly (i)(A) requisition from any transfer agent
of the  Common  Shares  certificates  for the  number  of  Common  Shares  to be
purchased and the Company  hereby  irrevocably  authorizes its transfer agent to
comply with all such requests,  or (B)  requisition  from the  depositary  agent
depositary  receipts  representing  such  number of  Common  Shares as are to be
purchased (in which case certificates for the Common Shares  represented by such
receipts shall be deposited by the transfer agent with the depositary agent) and
the Company  hereby  directs the  depositary  agent to comply with such request,
(ii) when  appropriate,  requisition  from the  Company the amount of cash to be
paid in lieu of issuance of  fractional  shares in  accordance  with  Section 14
hereof, (iii) after receipt of such certificates or depositary  receipts,  cause
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,  deliver such cash to or upon
the order of the registered holder of such Right Certificate.

                  (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.

         Section 8.  Cancellation  and  Destruction of Right  Certificates.  All
Right Certificates surrendered for the purpose of exercise,  transfer, split up,
combination  or exchange  shall,  if surrendered to the Company or to any of its
agents,  be delivered to the Rights Agent for cancellation or in cancelled form,
or, if surrendered  to the Rights Agent,  shall be cancelled 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 Company shall deliver to the
Rights  Agent for  cancellation  and  retirement,  and the Rights Agent shall so
cancel and retire,  any other  Right  Certificate  purchased  or acquired by the
Company otherwise than upon the exercise thereof. The Rights Agent shall deliver
all  cancelled  Right  Certificates  to the  Company,  or shall,  at the written
request of the Company,  destroy such cancelled Right Certificates,  and in such
case shall deliver a certificate of destruction thereof to the Company.

         Section 9.  Availability  of Common Shares.  The Company  covenants and
agrees  that  it  will  cause  to be  reserved  and  kept  available  out of its
authorized and unissued Common Shares or any Common Shares held in its treasury,
the number of Common  Shares that will be  sufficient  to permit the exercise in
full of all  outstanding  Rights  in  accordance  with  Section  7. The  Company
covenants  and agrees that it will take all such action as may be  necessary  to
ensure that all Common Shares  delivered  upon exercise of Rights shall,  at the
time of delivery of the  certificates for such Common Shares (subject to payment
of the Purchase Price), be duly and validly authorized and issued and fully paid
and nonassessable shares.

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


                                       7
<PAGE>


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

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

                  (a) (i) In the event the  Company  shall at any time after the
date of this  Agreement (A) declare a dividend on the 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 Company is the continuing or surviving corporation),  except
as otherwise provided in this Section 11(a), the Purchase Price in effect at the
time of the  record  date for such  dividend  or of the  effective  date of such
subdivision, combination or reclassification,  and the number and kind of shares
of capital stock  issuable on such date,  shall be  proportionately  adjusted so
that the holder of any Right  exercised  after such time  shall be  entitled  to
receive the aggregate  number and kind of shares of capital stock which, if such
Right had been exercised  immediately  prior to such date and at a time when the
Common Shares  transfer books of the Company were open, he would have owned upon
such  exercise  and  been  entitled  to  receive  by  virtue  of such  dividend,
subdivision, combination or reclassification.

                  (ii) Subject to Section 24 of this Agreement, in the event any
Person becomes an Acquiring  Person,  the proper provision shall be made so that
each holder of a Right shall  thereafter have a right to receive,  upon exercise
thereof at a price equal to the then current  Purchase  Price  multiplied by the
number of Common  Shares for which a Right is then  exercisable,  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 by the
number of Common Shares for which a Right is then  exercisable and dividing that
product by (y) 50% of the then current market price of Common Shares (determined
pursuant to Section 11(d)  hereof) on the date of the  occurrence of such event.
In the event that any Person  shall  become an  Acquiring  Person and the Rights
shall then be  outstanding,  the Company  shall not take any action  which would
eliminate or diminish the benefits intended to be afforded by the Rights.

                  From and after the  occurrence of such event,  any Rights that
are or were  acquired  or  beneficially  owned by any  Acquiring  Person (or any
Associate or Affiliate of such Acquiring Person) shall be void and any holder of
such Rights  shall  thereafter  have no right to exercise  such Rights under any
provision of this Agreement.  No Right  Certificate  shall be issued pursuant to
Section 3 that represents  Rights of which an Acquiring Person is the Beneficial
Owner if such Acquiring  Person's Rights would be void pursuant to the preceding
sentence or any Associate or Affiliate  thereof;  no Right  Certificate shall be
issued at any time upon the transfer of any Rights to an Acquiring  Person whose
Rights  would be void  pursuant to the  preceding  sentence or any  Associate or
Affiliate  thereof or to any  nominee of such  Acquiring  Person,  Associate  or
Affiliate;  and any Right Certificate delivered to the Rights Agent for transfer

                                       8
<PAGE>

to an Acquiring  Person whose  Rights  would be void  pursuant to the  preceding
sentence shall be cancelled.

                  (b) In case  the  Company  shall  fix a  record  date  for the
issuance  of  rights,  options  or  warrants  to all  holders  of Common  Shares
entitling them (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,  privileges  and  preferences as the Common Shares  ("equivalent  common
shares")) or securities  convertible  into Common  Shares or  equivalent  common
shares at a price per  Common  Share or  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  defined in Section  11(d)) on such  record  date,  the
Purchase  Price to be in effect  after such record date shall be  determined  by
multiplying the Purchase Price in effect  immediately  prior to such record date
by a  fraction,  the  numerator  of which  shall be the number of 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
the  convertible  securities  so to be offered)  would  purchase at such current
market price and the  denominator  of which shall be the number of Common Shares
outstanding  on such record  date plus the number of  additional  Common  Shares
and/or  equivalent  common shares to be offered for subscription or purchase (or
into  which  the   convertible   securities  so  to  be  offered  are  initially
convertible).  In case such  subscription  price may be paid in a  consideration
part or all of which  shall be in a form  other  than  cash,  the  value of such
consideration  shall be as determined in good faith by the Board of Directors of
the Company,  whose  determination  shall be described in a statement filed with
the Rights Agent.  Common Shares owned by or held for the account of the Company
shall not be deemed  outstanding for the purpose of any such  computation.  Such
adjustment shall be made successively  whenever such a record date is fixed; and
in the event that such  rights,  options  or  warrants  are not so  issued,  the
Purchase Price shall be adjusted to be the Purchase Price which would then be in
effect if such record date had not been fixed.

                  (c) In case the Company shall fix a record date for the making
of a  distribution  to all  holders of the  Common  Shares  (including  any such
distribution  made in  connection  with a  consolidation  or merger in which the
Company is the continuing or surviving corporation) of evidences of indebtedness
or assets (other than a regular quarterly cash dividend or a dividend payable in
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 of the Common  Shares on such record date,
less the  fair  market  value  (as  determined  in good  faith  by the  Board of
Directors of the Company,  whose determination shall be described in a statement
filed  with the Rights  Agent) 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.  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.


                                       9
<PAGE>



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

                  (ii)  For  the  purpose  of  any  computation  hereunder,  the
"current per share  market  price" of the Common  Shares  shall be  conclusively
deemed  to be the  current  per  share  market  price of the  Common  Shares  as
determined pursuant to Section 11(d)(i)  (appropriately  adjusted to reflect any
stock split,  stock  dividend or similar  transaction  occurring  after the date
hereof).  If the  Common  Shares are not  publicly  held or so listed or traded,
"current  per  share  market  price"  shall  mean the fair  value  per  share as
determined  in good  faith  by the  Board of  Directors  of the  Company,  whose
determination shall be described in a statement filed with the Rights Agent.

                  (e) No  adjustment  in the  Purchase  Price  shall be required
unless such  adjustment  would require an increase or decrease of at least 1% in
the Purchase Price;  provided,  however, that any adjustments which by reason of
this  Section  11(e) are not  required  to be made shall be carried  forward and
taken into account in any subsequent  adjustment.  All  calculations  under this
Section 11 shall be made to the nearest cent or to the nearest one one-hundredth
of a Common  Share or one  ten-thousandth  of 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  years  from  the  date of the  transaction  which  requires  such
adjustment  or (ii) the date of the  expiration  of the  right to  exercise  any
Rights.

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


                                       10
<PAGE>

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

                  (h) Unless the Company  shall have  exercised  its election as
provided in 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 one  one-hundredth  of a Common Share)
obtained  by (i)  multiplying  (x)  the  number  of  shares  covered  by a Right
immediately  prior  to this  adjustment  by (y) the  Purchase  Price  in  effect
immediately prior to such adjustment of the Purchase Price and (ii) dividing the
product so  obtained  by the  Purchase  Price in effect  immediately  after such
adjustment of the Purchase Price.

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

                  (j)  Irrespective  of any adjustment or change in the Purchase
Price or 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 then par value,  if any, of the Common
Shares  issuable  upon  exercise  of the  Rights,  the  Company  shall  take any
corporate action which may, in the opinion of its counsel, be necessary in order
that the Company may  validly  and  legally  issue fully paid and  nonassessable
Common Shares at such adjusted Purchase Price.

                  (l) In any case in which this Section 11 shall require that an
adjustment  in the  Purchase  Price be made  effective as of a record date for a

                                       11
<PAGE>

specified  event,  the Company may elect to defer until the  occurrence  of such
event the issuing to the holder of any Right exercised after such record date of
the Common Shares and other capital stock or securities of the Company,  if any,
issuable  upon such  exercise over and above the Common Shares and other capital
stock or securities of the Company,  if any,  issuable upon such exercise on the
basis of the  Purchase  Price in  effect  prior  to such  adjustment;  provided,
however,  that the  Company  shall  deliver  to such  holder a due bill or other
appropriate instrument evidencing such holder's right to receive such additional
shares upon the occurrence of the event requiring such adjustment.

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

                  (n) In the  event  that at any  time  after  the  date of this
Agreement and prior to the  Distribution  Date, the Company shall (i) declare or
pay any dividend on the Common Shares  payable in Common Shares or (ii) effect a
subdivision,   combination   or   consolidation   of  the   Common   Shares  (by
reclassification  or otherwise  than by payment of  dividends in Common  Shares)
into a greater or lesser number of Common Shares,  then in any such case (A) the
number of Common  Shares  purchasable  after such event upon proper  exercise of
each Right shall be  determined  by  multiplying  the number of Common Shares so
purchasable  immediately  prior to such event by a fraction,  the  numerator  of
which is the number of Common Shares  outstanding  immediately before such event
and the  denominator  of  which  is the  number  of  Common  Shares  outstanding
immediately after such event, and (B) each Common Share outstanding  immediately
after such event  shall have  issued  with  respect to it that  number of Rights
which each Common Share  outstanding  immediately prior to such event had issued
with respect to it. The adjustments  provided for in this Section 11(n) shall be
made  successively  whenever  such a  dividend  is  declared  or  paid or such a
subdivision, combination or consolidation is effected.

         Section 12. Certificate of Adjusted Purchase Price or Number of Shares.
Whenever  an  adjustment  is made as  provided  in Section 11 or 13 hereof,  the
Company shall promptly (a) prepare a certificate  setting forth such adjustment,
and a brief statement of the facts accounting for such adjustment, (b) file with
the Rights  Agent and with the  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 25 hereof.

         Section  13.  Consolidation,  Merger or Sale or  Transfer  of Assets or
Earning Power. In the event, directly or indirectly,  at any time after a Person
has become an Acquiring Person, (a) the Company shall consolidate with, or merge
with and into,  any other  Person,  (b) any Person  shall  consolidate  with the
Company,  or  merge  with  and into the  Company  and the  Company  shall be the
continuing  or  surviving  Person of such merger and,  in  connection  with such
merger,  all or part of the Common Shares shall be changed into or exchanged for
stock or other  securities  of any other  Person (or the Company) or cash or any
other property,  or (c) the Company shall sell or otherwise  transfer (or one or
more of its  Subsidiaries  shall  sell or  otherwise  transfer),  in one or more
transactions,  assets or earning power  aggregating 50% or more of the assets or
earning  power of the  Company or any of its  Subsidiaries  to any other  Person
other than the Company or one or more of its  wholly-owned  Subsidiaries,  then,
and in each such case,  unless the Board of  Directors  of the Company  resolves

                                       12
<PAGE>

otherwise,  proper  provision  shall be made so that (i) each  holder of a Right
(except  as  otherwise  provided  herein)  shall  thereafter  have the  right to
receive, upon the exercise thereof at a price equal to the then current Purchase
Price  multiplied  by the  number  of  Common  Shares  for which a Right is then
exercisable,  in  accordance  with the  terms of this  Agreement  and in lieu of
Common  Shares,  such  number  of  Other  Common  Shares  of such  other  Person
(including the Company as successor thereto or as the surviving  corporation) as
shall equal the result  obtained by (A)  multiplying  the then current  Purchase
Price by the number of Common Shares for which a Right is then  exercisable  and
dividing  that  product by (B) 50% of the then current per share market price of
the Other  Common  Shares of such other Person  (determined  pursuant to Section
11(d) hereof) on the date of consummation of such consolidation, merger, sale or
transfer; (ii) the issuer of such Other Common Shares shall thereafter be liable
for,  and  shall  assume,  by  virtue  of such  consolidation,  merger,  sale or
transfer,  all the  obligations  and  duties  of the  Company  pursuant  to this
Agreement;  (iii) the term "Company" shall thereafter be deemed to refer to such
issuer;  and (iv) such issuer shall take such steps (including,  but not limited
to,  the  reservation  of a  sufficient  number  of its Other  Common  Shares in
accordance with Section 9 hereof) in connection with such consummation as may be
necessary to assure that the provisions  hereof shall  thereafter be applicable,
as  nearly  as  reasonably  may be,  in  relation  to the  Other  Common  Shares
thereafter  deliverable  upon the exercise of the Rights.  The Company shall not
consummate any such consolidation, merger, sale or transfer unless prior thereto
the Company and such issuer  shall have  executed  and  delivered  to the Rights
Agent a  supplemental  agreement so providing.  The Company shall not enter into
any  transaction  of the kind  referred to in this  Section 13 if at the time of
such  transaction  there are any rights,  warrants,  instruments  or  securities
outstanding  or  any  agreements  or  arrangements  which,  as a  result  of the
consummation of such transaction,  would eliminate or substantially diminish the
benefits  intended to be afforded by the Rights.  The provisions of this Section
13 shall similarly  apply to successive  mergers or  consolidations  or sales or
other transfers.

         Section 14.       Fractional Rights and Fractional Shares.

                  (a) The  Company  may,  but shall not be  required  to,  issue
fractions  of  Rights  or  to  distribute  Right   Certificates  which  evidence
fractional  Rights.  In the event  that the Board of  Directors  of the  Company
determines,  in its  sole  discretion,  that no  fractions  of  Rights  or Right
Certificates which evidence  fractional Rights shall be issued,  then 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 Nasdaq  Stock Market or, if
the Rights are not listed or admitted to trading on The Nasdaq  Stock  Market 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 the Nasdaq or such other system then in
use or, if on any such date the Rights are not quoted by any such  organization,
the average of the closing bid and asked prices as  furnished by a  professional
market maker making a market in the Rights selected by the Board of Directors of
the Company.  If on any such date no such market maker is making a market in the
Rights, the fair value of the Rights on such date as determined in good faith by
the Board of Directors of the Company shall be used.  The Company shall instruct
the Rights  Agent as to the current  market  value of a whole Right and promptly
deposit  with  the  Rights  Agent  cash in a  sufficient  amount  to pay for the
fractional Rights.

                  (b) The  Company  may,  but 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 the event that the
Board of Directors of the Company  determines,  in its sole discretion,  that no

                                       13
<PAGE>

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

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

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

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

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

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

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

         Section  17.  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  Company  which  may at any  time be  issuable  on the
exercise of the Rights represented  thereby, nor shall anything contained herein

                                       14
<PAGE>

or in any Right  Certificate be construed to confer upon the holder of any Right
Certificate,  as such,  any of the rights of a stockholder of the Company or any
right to vote for the  election of  directors  or upon any matter  submitted  to
stockholders  at any  meeting  thereof,  or to give or  withhold  consent to any
corporate  action,  or to receive notice of meetings or other actions  affecting
stockholders  (except as provided in Section 25 hereof), or to receive dividends
or subscription  rights,  or otherwise,  until the Right or Rights  evidenced by
such  Right  Certificate  shall  have  been  exercised  in  accordance  with the
provisions hereof.

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

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

         Section 19. Merger or  Consolidation or Change of Name of Rights Agent.
Any corporation into which the Rights Agent or any successor Rights Agent may be
merged or with which it may be consolidated,  or any corporation  resulting from
any merger or  consolidation  to which the Rights Agent or any successor  Rights
Agent shall be a party, or any  corporation  succeeding to the stock transfer or
corporate trust powers of the Rights Agent or any successor Rights Agent,  shall
be the successor to the Rights Agent under this Agreement  without the execution
or  filing  of any paper or any  further  act on the part of any of the  parties
hereto;  provided,  that such corporation would be eligible for appointment as a
successor Rights Agent under the provisions of Section 21 hereof. In case at the
time such  successor  Rights Agent shall  succeed to the agency  created by this
Agreement,  any of the Right  Certificates shall have been countersigned but not
delivered, any such successor Rights Agent may adopt the countersignature of the
predecessor  Rights Agent and deliver such Right  Certificates so countersigned;
and in case at that  time any of the  Right  Certificates  shall  not have  been
countersigned,   any  successor   Rights  Agent  may   countersign   such  Right
Certificates  either in the name of the predecessor  Rights Agent or in the name
of the  successor  Rights Agent;  and in all such cases such Right  Certificates
shall  have  the full  force  provided  in the  Right  Certificates  and in this
Agreement.

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

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


                                       15
<PAGE>

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

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

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

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

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

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

                  (g) The Rights  Agent is hereby  authorized  and  directed  to
accept instructions with respect to the performance of its duties hereunder from
any one of the Chief Executive Officer, the President,  any Vice President,  the
Secretary or the Chief  Financial  Officer of the Company,  and to apply to such
officers for advice or instructions in connection with its duties,  and it shall
not be liable for any action taken or suffered by it in good faith in accordance
with  instructions  of any such officer or for any delay in acting while waiting
for those instructions.

                  (h) The Rights Agent and any stockholder, director, officer or
employee of the Rights Agent may buy, sell or deal in any of the Rights or other
securities of the Company or become pecuniarily interested in any transaction in

                                       16
<PAGE>

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

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

         Section 21. Change of Rights  Agent.  The Rights Agent or any successor
Rights Agent may resign and be discharged  from its duties under this  Agreement
upon 30 days' notice in writing mailed to the Company and to each transfer agent
of the Common Shares by registered or certified  mail, and to the holders of the
Right  Certificates by first-class mail. The Company may remove the Rights Agent
or any  successor  Rights Agent upon 30 days'  notice in writing,  mailed to the
Rights Agent or successor  Rights Agent, as the case may be, and to the transfer
agent of the Common Shares by registered or certified  mail,  and to the holders
of the Right  Certificates by first-class mail. If the Rights Agent shall resign
or be removed or shall otherwise become  incapable of acting,  the Company shall
appoint a successor to the Rights Agent.  If the Company shall fail to make such
appointment  within a period of 30 days after  giving  notice of such removal or
after it has been notified in writing of such  resignation  or incapacity by the
resigning or incapacitated  Rights Agent or by the holder of a Right Certificate
(who shall, with such notice, submit his Right Certificate for inspection by the
Company),  then the registered  holder of any Right Certificate may apply to any
court of competent  jurisdiction  for the appointment of a new Rights Agent. Any
successor  Rights  Agent,  whether  appointed by the Company or by such a court,
shall be a corporation organized and doing business under the laws of the United
States or of the State of Utah (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 Utah), in good standing,  having an office in the State of Utah,
which  is  authorized  under  such  laws to  exercise  corporate  trust or stock
transfer powers and is subject to supervision or examination by federal or state
authority  and  which  has at the  time of its  appointment  as  Rights  Agent a
combined  capital and surplus of at least $50 million.  After  appointment,  the
successor Rights Agent shall be vested with the same powers,  rights, duties and
responsibilities  as if it had been  originally  named as Rights  Agent  without
further act or deed; but the predecessor Rights Agent shall deliver and transfer
to the successor Rights Agent any property at the time held by it hereunder, and
execute and deliver any further assurance, conveyance, act or deed necessary for
the  purpose.  Not later than the  effective  date of any such  appointment  the
Company shall file notice thereof in writing with the  predecessor  Rights Agent
and the  transfer  agent of the  Common  Shares,  and mail a notice  thereof  in
writing to the registered holders of the Right Certificates. Failure to give any
notice  provided for in this Section 21, however,  or any defect therein,  shall
not affect the legality or validity of the  resignation or removal of the Rights
Agent or the appointment of the successor Rights Agent, as the case may be.

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


                                       17
<PAGE>

         Section 23.       Redemption.

                  (a) The Board of  Directors of the Company may, at its option,
at any time prior to such time as any Person becomes an Acquiring Person, redeem
all but not less than all the then  outstanding  Rights at a redemption price of
$.0001 per Right,  appropriately  adjusted  to reflect  any stock  split,  stock
dividend or similar transaction occurring after the date hereof (such redemption
price being hereinafter referred to as the "Redemption Price");  provided,  that
in the event the Company is prohibited by law, contract or otherwise from paying
the  Redemption  Price in cash,  the Company  may, at the option of the Board of
Directors, pay the Redemption Price in such other form or forms of consideration
as may be deemed appropriate by the Board of Directors,  in its sole discretion,
including, without limitation, Common Shares or other securities of the Company.
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 of Rights  shall be to receive an amount equal to the  Redemption  Price
multiplied  by the number of Rights held,  rounded  upwards to the nearest cent.
The Company shall promptly give public notice of any such redemption;  provided,
however,  that the failure to give,  or any defect in, any such notice shall not
affect the validity of such redemption.  Within 10 days after such action of the
Board of Directors ordering the redemption of the Rights, the Company shall mail
a notice of  redemption  to all the  holders of the then  outstanding  Rights at
their last  addresses as they appear upon the registry books of the Rights Agent
or, prior to the Distribution  Date, on the registry books of the transfer agent
for the Common Shares.  Any notice which is mailed in the manner herein provided
shall be deemed given,  whether or not the holder receives the notice. Each such
notice  of  redemption  will  state  the  method  by which  the  payment  of the
Redemption Price will be made.  Neither the Company nor any of its Affiliates or
Associates  may redeem,  acquire or purchase for value any Rights at any time in
any  manner  other  than that  specifically  set forth in this  Section 23 or in
Section 24 hereof,  and other than in  connection  with the  purchase  of Common
Shares prior to the Distribution Date.


                                       18
<PAGE>


         Section 24.       Exchange.

                  (a) The Board of  Directors of the Company may, at its option,
at any time after any Person becomes an Acquiring  Person,  exchange all or part
of the then  outstanding and exercisable  Rights (which shall not include Rights
that have become void pursuant to the  provisions of Section  11(a)(ii)  hereof)
for  Common  Shares  at an  exchange  ratio  of  one  Common  Share  per  Right,
appropriately  adjusted to reflect any 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 an  Exempt  Person),  together  with  all
Affiliates and Associates of such Person, becomes the Beneficial Owner of 50% or
more of the Common Shares then outstanding.

                  (b)  Immediately  upon the action of the Board of Directors of
the Company  ordering  the exchange of any Rights  pursuant to paragraph  (a) of
this Section 24 and without any further action and without any notice, the right
to exercise  such Rights  shall  terminate  and the only right  thereafter  of a
holder of such Rights shall be to receive that number of Common  Shares equal to
the number of such Rights held by such holder  multiplied by the Exchange Ratio.
The Company shall  promptly give public notice of any such  exchange;  provided,
however,  that the  failure to give,  or any defect in,  such  notice  shall not
affect the validity of such exchange.  The Company  promptly shall mail a notice
of any  such  exchange  to all of the  holders  of such  Rights  at  their  last
addresses as they appear upon the registry books of the Rights Agent. Any notice
which is mailed in the manner herein provided shall be deemed given,  whether or
not the holder receives the notice.  Each such notice of exchange will state the
method by which the  exchange  of the Common  Shares for Rights will be effected
and, in the event of any partial  exchange,  the number of Rights  which will be
exchanged.  Any partial  exchange shall be effected pro rata based on the number
of Rights (other than Rights which have become void  pursuant to the  provisions
of Section 11(a)(ii) hereof) held by each holder of Rights.

                  (c) The Company  shall not be required to issue  fractions  of
Common Shares upon the action of the Board of Directors of the Company  ordering
the exchange of any Rights  pursuant to  paragraph  (a) of this Section 24 or to
distribute  certificates  which evidence  fractional Common Shares in connection
therewith.  In lieu of fractional Common Shares that are not integral  multiples
of one Common Share,  the Company shall pay to the  registered  holders of Right
Certificates  at the time such Rights are exercised as herein provided an amount
in cash equal to the same  fraction  of the current  market  value of one Common
Share.  For the purposes of this Section  24(c),  the current  market value of a
Common  Share  shall  be the  closing  price of a Common  Share  (as  determined
pursuant to the second sentence of Section  11(d)(i) hereof) for the Trading Day
immediately prior to the date of such exercise.

         Section 25.       Notice of Certain Events.

                  (a) In case the Company  shall propose (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, or to effect any sale
or other  transfer (or to permit one or more of its  Subsidiaries  to effect any
sale or  other  transfer),  in one or more  transactions,  of 50% or more of the
assets or earning power of the Company or its Subsidiaries to, any other Person,
(v) to effect the liquidation, dissolution or winding up of the Company, or (vi)
to declare or pay any dividend on the Common Shares  payable in Common Shares or
to effect a subdivision,  combination or  consolidation of the Common Shares (by

                                       19
<PAGE>

reclassification  or otherwise  than by payment of dividends in Common  Shares),
then,  in each such  case,  the  Company  shall  give to each  holder of a Right
Certificate,  in  accordance  with Section 26 hereof,  a notice of such proposed
action,  which  shall  specify  the record  date for the  purposes of such stock
dividend,  or  distribution  of rights or  warrants,  or the date on which  such
reclassification,    consolidation,   merger,   sale,   transfer,   liquidation,
dissolution,  or  winding  up is to take  place  and the  date of  participation
therein by the holders of the Common Shares and/or  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 10 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 10 days  prior to the date of the
taking of such  proposed  action  or the date of  participation  therein  by the
holders  of the Common  Shares  and/or  Common  Shares,  whichever  shall be the
earlier.

                  (b) In case the event set forth in  Section  11(a)(ii)  hereof
shall occur,  then the Company shall as soon as practicable  thereafter  give to
the Rights Agent and 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) hereof.

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

                    Mining Services International Corporation
                    8805 South Sandy Parkway
                    Sandy, Utah 84070
                    Attn:   Corporate Secretary

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

                    Zions First National Bank
                    10 East South Temple
                    Salt Lake City, Utah  84111
                    Attn:   Stock Transfer Manager

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

         Section 27.  Supplements and  Amendments.  The Company may from time to
time  supplement or amend this Agreement  without the approval of any holders of
Right Certificates in order to cure any ambiguity,  to correct or supplement any
provision contained herein which may be defective or inconsistent with any other
provisions  herein,  or to make any other  provisions with respect to the Rights
which the  Company may deem  necessary  or  desirable,  any such  supplement  or
amendment  to be  evidenced  by a writing  signed by the  Company and the Rights
Agent; provided, however, that from and after such time as any Person becomes an
Acquiring Person,  this Agreement shall not be amended in any manner which would

                                       20
<PAGE>

adversely affect the interests of the holders of Rights; provided still further,
that this  Agreement  shall  not be  supplemented  and/or  amended  without  the
approval of a majority of the Board of Directors,  which  majority shall include
at least one  independent  director  (as such term is  defined  by the  Nasdaq).
Without  limiting the foregoing,  the Company may at any time prior to such time
as any Person  becomes an  Acquiring  Person  amend this  Agreement to lower the
thresholds  set forth in Sections  1(a) and 3(a) to not less than the greater of
(i) the sum of .001% and the largest percentage of the outstanding Common Shares
then known by the Company of which any Person (other than an Exempt Person) is a
Beneficial Owner and (ii) 10%.

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

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

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

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

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

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

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


                                   Mining Services International Corporation,
                                   a Utah corporation



                                   By ---------------------------------
                                   Name     John T. Day
                                        -------------------------------
                                   Title    President
                                         ------------------------------

                                       21
<PAGE>



                                   Zions First National Bank,
                                   as Rights Agent



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


                                       22

<PAGE>



                                    EXHIBIT A

                                RIGHT CERTIFICATE



CERTIFICATE NO. R____________________              ____________________ RIGHTS


         NOT EXERCISABLE AFTER MAY 18, 2009 OR EARLIER IF REDEMPTION OR EXCHANGE
         OCCURS. THE RIGHTS ARE SUBJECT TO REDEMPTION AT $.0001 PER RIGHT AND TO
         EXCHANGE ON THE TERMS SET FORTH IN THE RIGHTS AGREEMENT.



                    MINING SERVICES INTERNATIONAL CORPORATION



                  THIS RIGHT CERTIFICATE certifies that  -------------------- or
registered  assigns,  is the registered  owner of the number of Rights set forth
above,  each  of  which  entitles  the  owner  thereof,  subject  to the  terms,
provisions and conditions of the Rights Agreement, dated as of May 19, 1999 (the
"Rights Agreement"),  between Mining Services International  Corporation, a Utah
corporation (the "Company"), and Zions First National Bank (the "Rights Agent"),
to purchase  from the Company at any time after the  Distribution  Date (as such
term is defined in the Rights  Agreement) and prior to 5:00 P.M., Salt Lake City
time,  on May 18, 2009 at the principal  office of the Rights  Agent,  or at the
office of its successor as Rights Agent, one fully paid non-assessable  share of
the Common  Stock,  par value  $.001 per share  (the  "Common  Shares"),  of the
Company, at a purchase price of $20 per one Common Share (the "Purchase Price"),
upon  presentation  and  surrender  of this Right  Certificate  with the Form of
Election to Purchase duly executed. The number of Rights evidenced by this Right
Certificate  (and the number of one Common  Share  which may be  purchased  upon
exercise  hereof) set forth above,  and the Purchase Price set forth above,  are
the number and Purchase Price as of May 19, 1999,  based on the Common Shares as
constituted  at such date.  As provided in the Rights  Agreement,  the  Purchase
Price and the  number  of one  Common  Share  which  may be  purchased  upon the
exercise  of the Rights  evidenced  by this  Right  Certificate  are  subject to
modification and adjustment upon the happening of certain events.

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

                  This  Right   Certificate,   with  or  without   other   Right
Certificates, upon surrender at the principal office of the Rights Agent, may be
exchanged for another Right Certificate or Right  Certificates of like tenor and
date evidencing  Rights entitling the holder to purchase a like aggregate number
of Common  Shares as the  Rights  evidenced  by the Right  Certificate  or Right
Certificates  surrendered  shall have entitled such holder to purchase.  If this
Right  Certificate  shall be exercised in part,  the holder shall be entitled to

                                      A1
<PAGE>

receive upon surrender  hereof another Right  Certificate or Right  Certificates
for the number of whole Rights not exercised.

                  Subject to the provisions of the Rights Agreement,  the Rights
evidenced by this Certificate (i) may be redeemed by the Company at a redemption
price of  $.0001  per  Right or (ii)  may be  exchanged  in whole or in part for
Common Shares.

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

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

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

DATED AS OF: May 19, 1999

                  MINING SERVICES INTERNATIONAL CORPORATION, a Utah corporation



                                 By----------------------------------
                                 Name          John T. Day
                                     --------------------------------
                                 Title         President
                                       ------------------------------

                                 Countersigned:
                                 ZIONS FIRST NATIONAL BANK,
                                 as Rights Agent



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


                                     A2
<PAGE>



                    Form of Reverse Side of Right Certificate

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

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




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

         Please insert social security or other identifying number:-------------
- --------------------------------------------------------------------------------
                         (Please print name and address)
- --------------------------------------------------------------------------------

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


DATED:  _____________________, ________



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


Signature Guaranteed:

                  The signature(s) should be guaranteed by an eligible guarantor
institution  (banks,  stockbrokers,  savings  and loan  associations  and credit
unions with membership in an approved Signature Medallion Program),  pursuant to
SEC Rule 17Ad-15.



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


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


                                       A3
<PAGE>


              Form of Reverse Side of Right Certificate - Continued


                          FORM OF ELECTION TO PURCHASE
                          ----------------------------

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


TO:      Zions First National Bank

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

         Please insert social security or other identifying number:-------------

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

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

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

         Please insert social security or other identifying number:-------------

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

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





DATED:  _____________________, ________


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

                  The signature(s) should be guaranteed by an eligible guarantor
institution  (banks,  stockbrokers,  savings  and loan  associations  and credit
unions with membership in an approved Signature Medallion Program),  pursuant to
SEC Rule 17Ad-15.



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


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


                                       A4
<PAGE>


              Form of Reverse Side of Right Certificate - Continued



                                     NOTICE
                                     ------


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

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



                                       A5

<PAGE>



                                    EXHIBIT B

                          SUMMARY OF RIGHTS TO PURCHASE
                                  COMMON SHARES


                  On May 19, 1999,  the Board of  Directors  of Mining  Services
International  Corporation  (the  "Company")  declared a dividend  of one common
share purchase right (a "Right") for each outstanding share of Common Stock, par
value $.001 per share (the "Common  Shares"),  of the  Company.  The dividend is
payable on May 19, 1999 (the  "Record  Date") to the  stockholders  of record on
that date.  Each Right  entitles  the  registered  holder to  purchase  from the
Company one Common  Share of the Company at a price of $20 per 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
Company and Zions First National Bank as Rights Agent (the "Rights Agent").

                  Until  the  earlier  to occur  of (i)  fifteen  business  days
following  a public  announcement  that a  person  or  group  of  affiliated  or
associated  persons (an  "Acquiring  Person") have  acquired  shared and/or sole
voting power with respect to 25% or more of the  outstanding  Common Shares;  or
(ii) fifteen business days (or such later date as may be determined by action of
the Board of Directors  prior to such time as any person or group of  affiliated
persons  becomes  an  Acquiring   Person)  following  the  commencement  of,  or
announcement  of an  intention  to make,  a tender  offer or exchange  offer the
consummation of which would result in the acquisition,  by a person or group, of
sole and/or shared  voting power with respect to 25% or more of the  outstanding
Common Shares (the earlier of such dates being called the "Distribution  Date"),
the  Rights  will  be  evidenced,  with  respect  to  any of  the  Common  Share
certificates outstanding as of the Record Date, by such Common Share certificate
with a copy of this Summary of Rights  attached  thereto.  In the event that the
Board of Directors makes a determination  that a Person does not have beneficial
ownership of the shared and/or sole voting power of certain Common Shares,  then
such Person shall not have  beneficial  ownership  of shared  and/or sole voting
power with respect to such Common Shares until a final judicial determination of
ownership and/or a redetermination of ownership by the Board of Directors,  such
beneficial  ownership  shall  becoming  effective  as of fifteen  business  days
following such determination or redetermination.

                  The Rights  Agreement  provides that,  until the  Distribution
Date (or earlier  redemption or  expiration  of the Rights),  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  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




                                       B1
<PAGE>


of the Common  Shares as of the close of business on the  Distribution  Date and
such separate Right Certificates alone will evidence the Rights.

                  The Rights are not exercisable  until the  Distribution  Date.
The Rights will expire on May 18, 2009 (the "Final Expiration Date"), unless the
Final  Expiration Date is extended or unless the Rights are earlier  redeemed or
exchanged by the Company, in each case, as described below.

                  The Purchase Price payable, and the number of Common Shares or
other securities or property  issuable,  upon exercise of the Rights are subject
to adjustment from time to time to prevent  dilution (i) in the event of a stock
dividend on, or a subdivision,  combination or  reclassification  of, the Common
Shares, (ii) 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  periodic cash  dividends  paid out of earnings or retained  earnings or
dividends payable in Common Shares) or of subscription rights or warrants (other
than those referred to above).

                  The  number of  outstanding  Rights  and the  number of Common
Shares  issuable  upon  exercise of each Right are also subject to adjustment in
the  event of a stock  split of the  Common  Shares or a stock  dividend  on the
Common  Shares  payable  in Common  Shares or  subdivisions,  consolidations  or
combinations  of the Common  Shares  occurring,  in any such case,  prior to the
Distribution Date.

                  Common  Shares  purchasable  upon  exercise of the Rights will
have the same rights,  entitlements and preferences provided to all other Common
Shares.

                  In the event that the Company is acquired in a merger or other
business  combination  transaction or 50% or more of its consolidated  assets or
earning  power are sold after a person or group has become an Acquiring  Person,
proper  provision will be made so that each holder of a Right (other than Rights
owned by the Acquiring Person, which will have become void) will thereafter have
the right to receive,  upon the exercise  thereof at the then  current  exercise
price of the  Right,  that  number of shares  of common  stock of the  acquiring
company  which at the time of such  transaction  will have a market value of two
times the exercise price of the Right.  In the event that any person or group of
affiliated or associated  persons becomes an Acquiring Person,  proper provision
shall be made so that each  holder of a Right,  other than  Rights  beneficially
owned by the Acquiring  Person (which will thereafter be void),  will thereafter
have the right to receive upon  exercise  that number of Common  Shares having a
value of two times the exercise price of the Right.

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

                                       B2
<PAGE>

                  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  acquisition  by a person or group of
affiliated or associated  persons of beneficial  ownership of 25% or more of the
outstanding  Common Shares, the Board of Directors of the Company may redeem the
Rights  in  whole,  but not in  part,  at a  price  of  $.0001  per  Right  (the
"Redemption  Price"). The redemption of the Rights may be made effective at such
time on such basis with such  conditions  as the Board of  Directors in its sole
discretion may  establish.  Immediately  upon any redemption of the Rights,  the
right to exercise the Rights will terminate and the only right of the holders of
Rights will be to receive the Redemption Price.

                  The  terms  of the  Rights  may be  amended  by the  Board  of
Directors  of the  Company  without  the  consent of the  holders of the Rights,
including an amendment to lower certain  thresholds  described above to not less
than the  greater  of (i) the sum of .001%  and the  largest  percentage  of the
outstanding  Common Shares then known to the Company to be beneficially owned by
any person or group of  affiliated or  associated  persons and (ii) 10%,  except
that from and after such time as any person or group of affiliated or associated
persons becomes an Acquiring  Person no such amendment may adversely  affect the
interests of the holders of the Rights.

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

                  A copy of the Rights  Agreement  is  available  free of charge
from the Company.  This summary description of the Rights does not purport to be
complete and is qualified in its entirety by reference to the Rights  Agreement,
which is hereby incorporated herein by reference.


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