OSTEX INTERNATIONAL INC /WA/
8-A12G, 1997-01-27
IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES
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<PAGE>
                       
                   SECURITIES AND EXCHANGE COMMISSION Washington,
                                  D.C. 20549
                                     
                                   FORM  8-A
                
                FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES
    PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934


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


                           OSTEX INTERNATIONAL, INC.
            Exact Name of Registrant as Specified in Its Charter
                                                         
                                 WASHINGTON
                     State of Incorporation or Organization

                                91-1450247
                     IRS Employer Identification Number

                     2203 AIRPORT WAY SOUTH, SUITE 400
                         SEATTLE, WASHINGTON 98134
                   Address of Principal Executive Offices
                                  
                  -------------------------------------
                                    
      Securities to be registered pursuant to Section 12(b) of the Act:
                                    
                                  [NONE]
                  Title of Each Class to Be So Registered

                                  [N/A]
        Name of Each Exchange on Which Each Class Is to Be Registered

If this Form relates to the registration of a class of debt securities  and is
effective upon filing pursuant to General Instruction A.(c)(1), please check the
following box: ............................................  [     ]

If this Form relates to the registration of a class of debt securities  and is 
to become effective simultaneously with the effectiveness of a concurrent
registration statement under the Securities Act of 1933 pursuant  to General
Instruction A.(c)(2), please check the following box:....... [     ]
                                                                   
                 --------------------------------------
                                                                   
      Securities to be registered pursuant to Section 12(g) of the Act:
                                    
                     PREFERRED STOCK PURCHASE RIGHTS
                             Title of Class
                                   
                 --------------------------------------
                                    
<PAGE>
  
ITEM  1.  DESCRIPTION F REGISTRANT'S SECURITIES TO BEREGISTERED

     BOARD ACTION.  On January 10, 1997, the Board of Directors (the "Board of
Directors") of Ostex International, Inc. (the  "Company") declared a dividend of
one preferred share purchase right (a "Right") for each outstanding share of
common stock, par value $.01 per share (the  "Common Shares"), of the Company.
The dividend is payable on January 27, 1997 (the "Record Date") to the
shareholders of record on that date.  Each Right entitles the registered holder 
to purchase from the Company one one hundredth of share of Series A Junior
Participating Preferred Stock, par value $.01 per share (the "Preferred 
Shares"), of the Company at a price of $38 per one one-hundredth of a 
Preferred 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 ChaseMellon Shareholder 
Services L.L.C.,  as Rights Agent (the "Rights Agent").

     Approximately 12,438,667 Common Shares were outstanding as of January 27,
1997. Each Common Share outstanding at the close of business on
January 27, 1997 will receive one Right.  The Board of Directors of the Company
has reserved sufficient Preferred Shares for issuance upon exercise  of the
Rights.

     ANTITAKEOVER EFFECTS.  The Rights have certain antitakeover effects and
will cause substantial dilution  to a  person  or group that attempts to acquire
the Company on terms not approved by the Board of Directors.  The  Rights
should not affect any prospective offeror willing to make an all-cash  offer at 
a full and fair price,  or  willing  to negotiate  with the Board of Directors, 
nor will the  Rights interfere  with  any  merger or other business combination
approved by the Board of Directors

     TRIGGERING EVENTS.   Until the earlier to occur of (i) 10  days following a
public announcement that a person or group of affiliated or associated persons
(an  "Acquiring Person") has acquired beneficial ownership of 20% or more of the
outstanding Common Shares, or (ii) 10 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 beneficial 
ownership by a  person or  group  of 20% 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.

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

     EXERCISE OF RIGHTS.  Until a Right is exercised, the holder thereof,
as such, will have no rights as  a shareholder of the Company, including, 
without limitation, the right to vote or to receive dividends.  Nonexercisable 
until the Distribution Date, the Rights will expire on
January 27, 2007 (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.

<PAGE>

     The Purchase Price payable, and the number of Preferred Shares or other
securities or property issuable, upon exercise of the Rights are subject to
adjustment from time to time to prevent dilution (i) in the event of a stock
dividend  on,  or  a  subdivision,  combination or reclassification of, the
Preferred Shares, (ii) upon the grant to holders of the Preferred Shares of
certain rights or warrants to subscribe for or purchase Preferred Shares at a 
price, or securities convertible into Preferred Shares with a conversion price, 
less than the then-current market price of  the Preferred Shares, or (iii)  
upon the distribution to holders of the Preferred Shares of evidences of 
indebtedness or assets (excluding regular periodic cash dividends paid out of 
earnings or retained earnings or dividends payable in Preferred Shares) or of 
subscription rights or warrants (other than those referred to above).

     The number of outstanding Rights and the number of one one-hundredths of a
Preferred Share issuable upon exercise of each Right are also subject to
adjustment 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.

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

     Because of the nature of the Preferred Shares' dividend, liquidation and
voting rights, the value of the one one-hundredth interest in a Preferred Share
purchasable upon exercise of each Right should approximate the value of one 
Common Share.
     
     If the Company is acquired in a merger or other business combination
transaction or 50% or more of its consolidated assets or earning power are sold
after a person or group has become an Acquiring Person, proper provision will be
made so that each holder of a Right 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 that at the time of 
such transaction will have a market value of two times the exercise price of
the Right. If 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 market value of two times the exercise 
price of the Right.

     With certain exceptions, no adjustment in the Purchase Price will be
required until cumulative adjustments require an adjustment of at least 1% in 
such Purchase Price. No fractional Preferred Shares will be issued (other than 
fractions that are integral multiples of one one-hundredth of a Preferred 
Share, which may, at the election of the Company, be evidenced by depositary 
receipts), and, in lieu thereof, an adjustment in cash will be made based 
on the market price of the Preferred Shares on the last trading day prior 
to the date of exercise.

     EXCHANGE OF RIGHTS. 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 may 
exchange the Rights (other than Rights owned by such person or group that 
will have become void), in whole or in part, at an exchange ratio of one 
Common Share, or one onehundredth of a Preferred Share, per Right (subject 
to adjustment).

<PAGE>
                                    
     REDEMPTION OF RIGHTS.  At any time prior to the acquisition by a
person or group of affiliated or associated persons of beneficial ownership of 
20% or more of the outstanding Common Shares, the Board of Directors 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.

      AMENDMENT OF RIGHTS.  The terms of the Rights may be
amended by the Board of Directors 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. The ability of the Board  of Directors to amend the terms of 
the Rights is in addition to and in no way limits the discretion of the Board 
of Directors to redeem the Rights.

      RIGHTS AGREEMENT.  A copy of the Rights Agreement is hereby filed with the
Securities and Exchange Commission as an Exhibit to this Registration Statement 
on Form 8-A.  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.

ITEM 2.   EXHIBITS

Exhibit      
Number   Description
- -------  ---------------------------------------------------------------  
1.1      Form of Right Certificate [included as Exhibit B to Exhibit 2.1 
         to this Form 8-A].

2.1      Rights Agreement dated as of January 21, 1997 between Ostex 
         International, Inc. and ChaseMellon  Shareholder Services L.L.C..



<PAGE>
                             SIGNATURE
                         
                         
      Pursuant to the requirements of Section 12 of the Securities Exchange 
Act of 1934, the registrant has duly caused this registration statement to be 
signed on its behalf by the undersigned hereunto duly authorized.
     
     Dated the 22nd day of January, 1997.

                                         OSTEX INTERNATIONAL, INC.


                                         By       /S/ ROBERT M. LITTAUER
                                             ---------------------------------
                                               Robert M. Littauer Senior Vice
                                             President of Finance & Operations

<PAGE>

                              INDEX TO EXHIBITS
                                     TO
                                  FORM 8-A
Exhibit 
Number      Description
- -------     ---------------------------------------------------------------
1.1         Form of Right Certificate [included as Exhibit B to Exhibit 2.1 
            to this Form 8-A]. 
            
2.1         Rights Agreement dated as of January 21, 1997 between Ostex  
            International, Inc. and ChaseMellon Shareholder Services L.L.C..





<PAGE>
                             EXHIBIT 2.1 TO FORM 8-A
                                        
                                        
                                RIGHTS AGREEMENT
                                        
                                        
                                        
                                     BETWEEN
                                        
                            OSTEX INTERNATIONAL, INC.
                                        
                                       AND
                                        
                     CHASEMELLON SHAREHOLDER SERVICES L.L.C.
                                        
                                        
                                        
                                        
                          DATED AS OF JANUARY 21, 1997
                                        
                                        
<PAGE>                                        
                                        
                               TABLE OF CONTENTS


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

Section 2.      Appointment of Rights Agent.........................3

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

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

Section 5.      Countersignature and Registration...................4

Section 6.      Transfer, Split Up, Combination and 
                Exchange of Right Certificates; Mutilated, 
                Destroyed, Lost or Stolen Right Certificates........5

Section 7.      Exercise of Rights; Purchase Price; 
                Expiration Date of Rights...........................5

Section 8.      Cancellation and Destruction of Right
                Certificates........................................6

Section 9.      Availability of Preferred Shares....................6

Section 10.     Preferred Shares Record Date........................6

Section 11.     Adjustment of Purchase Price, Number of 
                Shares or Number of Rights..........................7

Section 12.     Certificate of Adjusted Purchase Price 
                or Number of Shares.................................11

Section 13.     Consolidation, Merger or Sale or Transfer 
                of Assets or Earning Power..........................11

Section 14.     Fractional Rights and Fractional Shares.............12

Section 15.     Rights of Action....................................12

Section 16.     Agreement of Right Holders..........................13

Section 17.     Right Certificate Holder Not Deemed 
                a Shareholder.......................................13

Section 18.     Concerning the Rights Agent.........................13

Section 19.     Merger or Consolidation or Change of 
                Name of Rights Agent................................14

Section 20.     Duties of Rights Agent..............................14

Section 21.     Change of Rights Agent..............................15

Section 22.     Issuance of New Right Certificates..................16

Section 23.     Redemption..........................................16

Section 24.     Exchange............................................17

Section 25.     Notice of Certain Events............................17

Section 26.     Notices.............................................18

<PAGE>

Section 27.     Supplements and Amendments..........................18

Section 28.     Successors..........................................19

Section 29.     Benefits of this Agreement..........................19

Section 30.     Severability........................................19

Section 31.     Governing Law.......................................19

Section 32.     Counterparts........................................19

Section 33.     Descriptive Headings................................20

Exhibit A -     Form of Certificate of Designation--Rights and
                Preferences of Series A Junior Participating 
                Preferred Stock

Exhibit B -     Form of Right Certificate

Exhibit C -     Summary of Rights to Purchase Preferred Shares


<PAGE>
                        RIGHTS AGREEMENT
                                
                                
    Agreement,   dated  as  of  January  21,  1997,   between   Ostex
International,  Inc., a Washington corporation  (the  "Company"),
and ChaseMellon Shareholder Services L.L.C. (the "Rights Agent").

    The  Board of Directors of the Company ("Board of Directors") has
authorized  and  declared  a  dividend  of  one  preferred  share
purchase  right (a "Right") for each Common Share (as hereinafter
defined)  of  the Company outstanding on January  27,  1997  (the
"Record Date"), each Right representing the right to purchase one
one-hundredth of a Preferred Share (as hereinafter defined), upon
the terms and subject to the conditions herein set forth, and has
further  authorized and directed the issuance of one  Right  with
respect  to  each  Common  Share that  shall  become  outstanding
between  the  Record  Date and the earliest of  the  Distribution
Date, the Redemption Date and the Final Expiration Date (as  such
terms are hereinafter defined).

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

SECTION 1.      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  the  Beneficial  Owner  (as  such  term   is
hereinafter defined) of 20% or more of the Common Shares  of  the
Company then outstanding, but shall not include the Company,  any
Subsidiary (as such term is hereinafter defined) of the  Company,
any employee benefit plan of the Company or any Subsidiary of the
Company,  or any entity holding Common Shares for or pursuant  to
the  terms  of any such plan.  Notwithstanding the foregoing,  no
Person  shall  become an "Acquiring Person" as the result  of  an
acquisition  of Common Shares by the Company which,  by  reducing
the  number  of  shares outstanding, increases the  proportionate
number of shares beneficially owned by such Person to 20% or more
of  the  Common Shares of the Company then outstanding; provided,
however that if a Person shall become the Beneficial Owner of 20%
or  more of the Common Shares of the Company then outstanding  by
reason  of  share purchases by the Company and shall, after  such
share  purchases by the Company, become the Beneficial  Owner  of
any  additional  Common Shares of the Company, then  such  Person
shall be deemed to be an "Acquiring Person". Notwithstanding  the
foregoing,  if  the Board of Directors 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)  "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.

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

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

      (ii)  which  such Person or any of such Person's Affiliates  or
    Associates  has  (A) the right to acquire  (whether  such
    right  is  exercisable  immediately  or  only  after  the
    passage  of  time) pursuant to any agreement, arrangement

<PAGE>

    or  understanding (other than customary  agreements  with
    and  between underwriters and selling group members  with
    respect to a bona fide public offering of securities), or
    upon  the exercise of conversion rights, exchange rights,
    rights (other than these Rights), warrants or options, or
    otherwise; provided, however, that a Person shall not  be
    deemed  the Beneficial Owner of, or to beneficially  own,
    securities  tendered  pursuant to a  tender  or  exchange
    offer made by or on behalf of such Person or any of  such
    Person's  Affiliates  or Associates until  such  tendered
    securities are accepted for purchase or exchange; or  (B)
    the  right to vote pursuant to any agreement, arrangement
    or  understanding; provided, however, that a Person shall
    not be deemed the Beneficial Owner of, or to beneficially
    own,  any  security  if  the  agreement,  arrangement  or
    understanding  to  vote such security (1)  arises  solely
    from a revocable proxy or consent given to such Person in
    response  to a public proxy or consent solicitation  made
    pursuant to, and in accordance with, the applicable rules
    and  regulations promulgated under the Exchange  Act  and
    (2) is not also then reportable on Schedule 13D under the
    Exchange Act (or any comparable or successor report); or

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

    (d)  "Business  Day" shall mean any day other than  a  Saturday,  a
Sunday,  or a day on which banking institutions in the  State  of
Washington 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.,
Seattle time, on such date; provided, however, that if such  date
is  not a Business Day it shall mean 5:00 p.m., Seattle time,  on
the next succeeding Business Day.

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

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

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

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

    (j)  "Preferred  Shares"  shall mean  shares  of  Series  A  Junior
Participating Preferred Stock, par value $.01 per share,  of  the
Company  having  the  rights and preferences  set  forth  in  the
Certificate  of  Designation  of Series  A  Junior  Participating
Preferred Stock attached as Exhibit A hereto.

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

<PAGE>

    (l)  "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.

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

SECTION 2.      APPOINTMENT OF RIGHTS AGENT

    The  Company hereby appoints the Rights Agent to act as agent for
the  Company in accordance with the terms and conditions  hereof,
and  the  Rights  Agent  hereby accepts  such  appointment.   The
Company may from time to time appoint such co-Rights Agents as it
may deem necessary or desirable.

SECTION 3.      ISSUE OF RIGHTS CERTIFICATES

    (a)  Until  the  earlier  of  (i) the 10th  day  after  the  Shares
Acquisition  Date and (ii) the 10th business day (or  such  later
date  as  may  be determined by action of the Board of  Directors
before such time as any Person becomes an Acquiring Person) after
the  date  of  the  commencement by any Person  (other  than  the
Company, any Subsidiary of the Company, any employee benefit plan
of  the Company or of any Subsidiary of the Company or any entity
holding  Common Shares for or pursuant to the terms of  any  such
plan) of, or of the first public announcement of the intention of
any  Person  (other  than  the Company,  any  Subsidiary  of  the
Company,  any  employee benefit plan of the  Company  or  of  any
Subsidiary of the Company or any entity holding Common Shares for
or  pursuant to the terms of any such plan) to commence, a tender
or  exchange offer the consummation of which would result in  any
Person becoming the Beneficial Owner of Common Shares aggregating
20%  or more of the then outstanding Common Shares (including any
such date that is after the date of this Agreement and before the
issuance  of  the Rights; the earlier of such dates being  herein
referred to as the "Distribution Date"), (A) 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 as hereinafter defined) and not  by  separate
Right   Certificates  and  (B)  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  B  hereto (a "Right Certificate"), evidencing one  Right
for   each   Common  Share  so  held  (subject   to   appropriate
adjustments,  as  hereinafter defined).  As of  the  Distribution
Date,   the  Rights  will  be  evidenced  solely  by  such  Right
Certificates.

    (b)  On the Record Date, or as soon as practicable thereafter,  the
Company  will  send  a copy of a Summary of  Rights  to  Purchase
Preferred Shares, in substantially the form of Exhibit  C  hereto
(the  "Summary of Rights"), by first-class, postage-prepaid mail,
to  each  record  holder of Common Shares  as  of  the  close  of
business on the Record Date, at the address of such holder  shown
on  the records of the Company.  With respect to certificates for
Common  Shares  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 (and 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  that  become   outstanding
(including, without limitation, reacquired Common Shares referred
to  in  the last sentence of this paragraph (c)) after the Record

<PAGE>

Date  but  before  the  earliest of the  Distribution  Date,  the
Redemption  Date  and  the  Final  Expiration  Date  shall   have
impressed on, printed on, written on or otherwise affixed to them
the following legend:

    This  certificate also evidences and entitles the  holder
    hereof  to  certain  rights as  set  forth  in  a  Rights
    Agreement   between   Ostex   International,   Inc.   and
    ChaseMellon  Shareholder  Services  L.L.C.  dated  as  of
    January  21, 1997 (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  Ostex  International, Inc..   Under  certain
    circumstances, as set forth in the Rights Agreement, such
    Rights  will  be  evidenced by separate certificates  and
    will  no longer be evidenced by this certificate.   Ostex
    International,  Inc.  will mail to  the  holder  of  this
    certificate a copy of the Rights Agreement without charge
    after  receipt  of  a  written request  therefor.   Under
    certain  circumstances,  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.  If the Company purchases or  acquires  any
Common  Shares after the Record Date but before the  Distribution
Date,  any  Rights associated with such Common  Shares  shall  be
deemed  canceled  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
Preferred  Shares and of assignment to be printed on the  reverse
thereof) shall be substantially the same as Exhibit B hereto  and
may  have  such marks of identification or designation  and  such
legends, summaries or endorsements printed thereon as the Company
may  deem  appropriate  and  as are  not  inconsistent  with  the
provisions  of  this Agreement, or as may be required  to  comply
with  any  applicable  law or with any 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 one one-hundredths  of  a  Preferred
Share  as  shall be set forth therein at the price per  one  one-
hundredth  of a Preferred Share set forth therein (the  "Purchase
Price"), but the number of such one one-hundredths of a Preferred
Share  and  the Purchase Price shall be subject to adjustment  as
provided herein.

SECTION 5.      COUNTERSIGNATURE AND REGISTRATION

    The Right Certificates shall be executed on behalf of the Company
by  its  Chairman of the Board, its Chief Executive Officer,  its
President,  any of its Senior Vice Presidents or Vice Presidents,
or its Treasurer, 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 Agreement any such person  was  not  such  an
officer.

    Following  the Distribution Date, the Rights Agent will  keep  or
cause to be kept, at its principal office, books for registration
and  transfer  of the Right Certificates issued hereunder.   Such

<PAGE>

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 before
the  close of business on the earlier of the Redemption  Date  or
the  Final  Expiration  Date,  any  Right  Certificate  or  Right
Certificates  (other than Right Certificates representing  Rights
that  have  become void pursuant to Section 11(a)(ii)  hereof  or
that  have been exchanged pursuant to Section 24 hereof)  may  be
transferred,  split up, combined or exchanged for  another  Right
Certificate  or  Right  Certificates,  entitling  the  registered
holder  to  purchase  a like number of one  one-hundredths  of  a
Preferred  Share  as the Right Certificate or Right  Certificates
surrendered   then  entitled  such  holder  to   purchase.    Any
registered  holder  desiring to transfer, split  up,  combine  or
exchange  any Right Certificate or Right Certificates shall  make
such  request in writing delivered to the Rights Agent, and shall
surrender  the  Right  Certificate or Right  Certificates  to  be
transferred,  split up, combined or exchanged  at  the  principal
office  of  the Rights Agent.  Thereupon the Rights  Agent  shall
countersign  and deliver to the person entitled thereto  a  Right
Certificate  or Right Certificates, as the case  may  be,  as  so
requested.   The Company may require payment of a sum  sufficient
to  cover  any tax or governmental charge that may be imposed  in
connection  with any transfer, split up, combination or  exchange
of Right Certificates.

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

SECTION 7.      EXERCISE OF RIGHTS; PURCHASE PRICE; EXPIRATION DATE  OF
                RIGHTS

    (a)  The  registered holder of any Right Certificate  may  exercise
the  Rights  evidenced  thereby  (except  as  otherwise  provided
herein)  in  whole or in part at any time after the  Distribution
Date  upon surrender of the Right Certificate, with the  form  of
election  to purchase on the reverse side thereof duly  executed,
to  the Rights Agent at the principal office of the Rights Agent,
together  with  payment of the Purchase Price for each  one  one-
hundredth  of  a  Preferred Share as  to  which  the  Rights  are
exercised,  at  or  prior to the earliest of  (i)  the  close  of
business on January 27, 2007 (the "Final Expiration Date"),  (ii)
the  time at which the Rights are redeemed as provided in Section
23  hereof  (the "Redemption Date"), or (iii) the time  at  which
such Rights are exchanged as provided in Section 24 hereof.

    (b)  The  Purchase Price for each one one-hundredth of a  Preferred
Share  purchasable  pursuant to the exercise  of  a  Right  shall
initially be $38, 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 check,  cashier's
check  or  money order payable to the order of the  Company,  the
Rights Agent shall thereupon promptly (i)(A) requisition from any
transfer  agent  of  the Preferred Shares  certificates  for  the
number of Preferred Shares to be purchased and the Company hereby
irrevocably authorizes its transfer agent to comply with all such
requests, or (B) requisition from the depository agent depository
receipts  representing  such number of one  one-hundredths  of  a
Preferred   Share  as  are  to  be  purchased  (in   which   case
certificates  for  the  Preferred  Shares  represented  by   such

<PAGE>

receipts  shall  be  deposited by the  transfer  agent  with  the
depository  agent) and the Company hereby directs the  depository
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 depository
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 or her duly authorized
assigns, subject to the provisions of Section 14 hereof.

SECTION 8.      CANCELLATION AND DESTRUCTION OF RIGHT CERTIFICATES

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

SECTION 9.      AVAILABILITY OF PREFERRED SHARES

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

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

SECTION 10.     PREFERRED SHARES RECORD DATE

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

<PAGE>

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

SECTION  11.    ADJUSTMENT OF PURCHASE PRICE, NUMBER OF  SHARES  OR
                NUMBER OF RIGHTS

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

    (a)  (i)  In  the event the Company shall at any time after the  date
of  this Agreement (A) declare a dividend on the Preferred Shares
payable  in  Preferred  Shares,  (B)  subdivide  the  outstanding
Preferred  Shares, (C) combine the outstanding  Preferred  Shares
into a smaller number of Preferred Shares or (D) issue any shares
of  its  capital  stock in a reclassification  of  the  Preferred
Shares (including any such reclassification in connection with  a
consolidation or merger in which the Company is the continuing or
surviving  corporation),  except as otherwise  provided  in  this
Section  11(a), the Purchase Price in effect at the time  of  the
record  date for such dividend or of the effective date  of  such
subdivision, combination or reclassification, and the number  and
kind  of shares of capital stock issuable on such date, shall  be
proportionately  adjusted  so  that  the  holder  of  any   Right
exercised  after  such  time shall be  entitled  to  receive  the
aggregate  number and kind of shares of capital stock  which,  if
such Right had been exercised immediately prior to such date  and
at a time when the Preferred Shares transfer books of the Company
were open, he or she would have owned upon such exercise and been
entitled  to  receive  by  virtue of such dividend,  subdivision,
combination or reclassification; provided, however,  that  in  no
event shall the consideration to be paid upon the exercise of one
Right  be  less  than the aggregate par value of  the  shares  of
capital stock of the Company issuable upon exercise of one Right.

         (ii)  Subject to Section 24 hereof, in the event any Person becomes
an Acquiring Person, each holder of a Right shall thereafter have
a right to receive, upon exercise thereof at a price equal to the
then  current Purchase Price multiplied by the number of one one-
hundredths  of  a  Preferred Share for  which  a  Right  is  then
exercisable,  in accordance with the terms of this Agreement  and
in  lieu of Preferred Shares, such number of Common Shares of the
Company as shall equal the result obtained by (A) multiplying the
then  current  Purchase Price by the number of one one-hundredths
of  a  Preferred Share for which a Right is then exercisable  and
dividing  that product by (B) 50% of the then current  per  share
market  price of the Company's Common Shares (determined pursuant
to  Section 11(d) hereof') on the date of the occurrence of  such
event.   If any Person shall become an Acquiring Person  and  the
Rights shall then be outstanding, the Company shall not take  any
action that 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 hereof
that  represents Rights beneficially owned by an Acquiring Person
whose Rights would be void pursuant to the preceding sentence  or
any Associate or Affiliate thereof; no Right Certificate shall be
issued  at  any  time  upon the transfer  of  any  Rights  to  an
Acquiring  Person  whose Rights would be  void  pursuant  to  the
preceding  sentence or any Associate or Affiliate thereof  or  to
any nominee of such Acquiring Person, Associate or Affiliate; and
any  Right Certificate delivered to the Rights Agent for transfer
to an Acquiring Person whose Rights would be void pursuant to the
preceding sentence shall be canceled.

         (iii)  If  there shall not be sufficient Common Shares  issued  but
not outstanding or authorized but unissued to permit the exercise
in   full   of  the  Rights  in  accordance  with  the  foregoing
subparagraph (ii), the Company shall take all such action as  may

<PAGE>

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

    (b)  In  case the Company shall fix a record date for the  issuance
of rights, options or warrants to all holders of Preferred Shares
entitling  them  (for a period expiring within 45  calendar  days
after  such  record date) to subscribe for or purchase  Preferred
Shares  (or  shares  having  the  same  rights,  privileges   and
preferences  as  the  Preferred  Shares  ("equivalent   preferred
shares"))  or  securities convertible into  Preferred  Shares  or
equivalent  preferred shares at a price per  Preferred  Share  or
equivalent  preferred  share (or having a  conversion  price  per
share,  if  a  security  convertible  into  Preferred  Shares  or
equivalent preferred shares) less than the then current per share
market  price  of  the Preferred Shares (as  defined  in  Section
11(d))  hereof on such record date, the Purchase Price to  be  in
effect  after such record date shall be determined by multiplying
the  Purchase  Price in effect immediately prior to  such  record
date by a fraction the numerator of which shall be the number  of
Preferred Shares outstanding on such record date plus the  number
of  Preferred  Shares that the aggregate offering  price  of  the
total  number  of  Preferred Shares and/or  equivalent  preferred
shares  so to be offered (and/or the aggregate initial conversion
price  of  the  convertible securities so to  be  offered)  would
purchase  at  such  current market price and the  denominator  of
which shall be the number of Preferred Shares outstanding on such
record date plus the number of additional Preferred Shares and/or
equivalent  preferred shares to be offered  for  subscription  or
purchase  (or  into  which the convertible securities  so  to  be
offered are initially convertible); provided, however, that in no
event shall the consideration to be paid upon the exercise of one
Right  be  less  than the aggregate par value of  the  shares  of
capital stock of the Company issuable upon exercise of one Right.
In  case  such  subscription price may be paid in a consideration
part  or  all  of which shall be in a form other than  cash,  the
value  of such consideration shall be as determined in good faith
by the Board of Directors, whose determination shall be described
in  a  statement  filed with the Rights Agent.  Preferred  Shares
owned  by  or  held for the account of the Company shall  not  be
deemed outstanding for the purpose of any such computation.  Such
adjustment shall be made successively whenever such a record date
is  fixed;  and if such rights, options or warrants  are  not  so
issued,  the Purchase Price shall be adjusted to be the  Purchase
Price  that would then be in effect if such record date  had  not
been fixed.

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

    (d)  (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

<PAGE>

hereinafter  defined) immediately prior to such  date;  provided,
however,  that  if  the current per share  market  price  of  the
Security is determined during a period following the announcement
by  the issuer of such Security of (A) a dividend or distribution
on such Security payable in shares of such Security or securities
convertible  into such shares or (B) any subdivision, combination
or  reclassification of such Security and prior to the expiration
of  30  Trading Days after the ex-dividend date for such dividend
or  distribution,  or  the  record  date  for  such  subdivision,
combination or reclassification, then, and in each such case, the
current per share market price shall be appropriately adjusted to
reflect  the  current market price per share equivalent  of  such
Security.  The closing price for each day shall be the last  sale
price, regular way, or, in case no such sale takes place on  such
day,  the  average of the closing bid and asked  prices,  regular
way,  in  either  case as reported in the principal  consolidated
transaction reporting system with respect to securities listed or
admitted  to trading on the New York Stock Exchange  or,  if  the
Security  is  not listed or admitted to trading on the  New  York
Stock   Exchange,  as  reported  in  the  principal  consolidated
transaction reporting system with respect to securities listed on
the  principal national securities exchange on which the Security
is  listed  or  admitted to trading or, if the  Security  is  not
listed   or  admitted  to  trading  on  any  national  securities
exchange, the last quoted price or, if not so quoted, the average
of  the  high  bid  and low asked prices in the  over-the-counter
market,  as  reported by the National Association  of  Securities
Dealers,  Inc.  Automated Quotations System  ("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.  The term "Trading Day" shall mean a day on which  the
principal  national securities exchange on which the Security  is
listed  or  admitted  to trading is open for the  transaction  of
business or, if the Security is not listed or admitted to trading
on any national securities exchange, a Business Day.

         (ii)  For  the  purpose of any computation hereunder, the  "current
per  share  market  price"  of  the  Preferred  Shares  shall  be
determined   in  accordance  with  the  method   set   forth   in
Section  11(d)(i)  hereof.   If  the  Preferred  Shares  are  not
publicly  traded,  the "current per share market  price"  of  the
Preferred  Shares shall be conclusively deemed to be the  current
per  share  market  price  of  the Common  Shares  as  determined
pursuant  to  Section 11(d)(i) hereof (appropriately adjusted  to
reflect  any  stock split, stock dividend or similar  transaction
occurring after the date hereof), multiplied by one hundred.   If
neither  the Common Shares nor the Preferred Shares are  publicly
held  or  so  listed or traded, "current per share market  price"
shall  mean the fair value per share as determined in good  faith
by the Board of Directors, 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
that  by reason of this Section 11(e) are not required to be made
shall be carried forward and taken into account in any subsequent
adjustment.  All calculations under this Section 11 shall be made
to  the  nearest  cent or to the nearest one one-millionth  of  a
Preferred  Share  or  one ten-thousandth of any  other  share  or
security  as the case may be.  Notwithstanding the first sentence
of this Section 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  and
(ii)  the  date  of the expiration of the right to  exercise  any
Rights.

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

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

<PAGE>

    (h)  Unless  the  Company  shall have  exercised  its  election  as
provided  in  Section 11(i) hereof, upon each adjustment  of  the
Purchase  Price as a result of the calculations made in  Sections
11(b)  and (c), each Right outstanding immediately prior  to  the
making of such adjustment shall thereafter evidence the right  to
purchase, at the adjusted Purchase Price, that number of one one-
hundredths  of a Preferred Share (calculated to the  nearest  one
one-millionth  of a Preferred Share) obtained by (i)  multiplying
(A)  the  number of one one-hundredths of a share  covered  by  a
Right  immediately prior to this adjustment by (B)  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  one  one-
hundredths of a Preferred Share purchasable upon the exercise  of
a Right.  Each of the Rights outstanding after such adjustment of
the  number of Rights shall be exercisable for the number of  one
one-hundredths  of  a  Preferred Share  for  which  a  Right  was
exercisable  immediately prior to such  adjustment.   Each  Right
held  of record prior to such adjustment of the number of  Rights
shall become that number of Rights (calculated to the nearest one
ten-thousandth) obtained by dividing the Purchase Price in effect
immediately  prior  to adjustment of the Purchase  Price  by  the
Purchase  Price  in  effect immediately after adjustment  of  the
Purchase Price.  The Company shall make a public announcement  of
its  election  to  adjust  the number of Rights,  indicating  the
record  date for the adjustment, and, if known at the  time,  the
amount of the adjustment to be made.  This record date may be the
date  on  which  the  Purchase  Price  is  adjusted  or  any  day
thereafter,  but,  if the Right Certificates  have  been  issued,
shall  be  at  least 10 days later than the date  of  the  public
announcement.  If Right Certificates have been issued, upon  each
adjustment  of  the  number of Rights pursuant  to  this  Section
11(i), the Company shall, as promptly as practicable, cause to be
distributed  to holders of record of Right Certificates  on  such
record date Right Certificates evidencing, subject to Section  14
hereof,  the  additional Rights to which such  holders  shall  be
entitled as a result of such adjustment, or, at the option of the
Company, shall cause to be distributed to such holders of  record
in  substitution and replacement for the Right Certificates  held
by  such  holders  prior  to the date  of  adjustment,  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 one one-hundredths of a Preferred Share issuable
upon   the   exercise  of  the  Rights,  the  Right  Certificates
theretofore  and thereafter issued may continue  to  express  the
Purchase  Price  and  the  number  of  one  one-hundredths  of  a
Preferred  Share  that  were  expressed  in  the  initial   Right
Certificates issued hereunder.

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

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

    (m)  Anything  in  this Section 11 to the contrary notwithstanding,
the  Company  shall  be entitled to make such reductions  in  the
Purchase  Price,  in  addition  to  those  adjustments  expressly
required by this Section 11, as and to the extent that it in  its
sole discretion shall determine to be advisable in order that any
consolidation  or  subdivision of the Preferred Shares,  issuance
wholly  for cash of any Preferred Shares at less than the current
market  price,  issuance wholly for cash of Preferred  Shares  or
securities  which  by  their  terms  are  convertible   into   or
exchangeable for Preferred Shares, dividends on Preferred  Shares

<PAGE>

payable  in  Preferred Shares or issuance of rights,  options  or
warrants  referred  to  hereinabove  in  Section  11(b)   hereof,
hereafter made by the Company to holders of its Preferred  Shares
shall not be taxable to such shareholders.

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

SECTION 12.     CERTIFICATE OF ADJUSTED PURCHASE PRICE OR NUMBER  OF
                SHARES

    Whenever  an adjustment is made as provided in Section 11  or  13
hereof,  the  Company  shall promptly (a) prepare  a  certificate
setting forth such adjustment, and a brief statement of the facts
accounting  for such adjustment, (b) file with the  Rights  Agent
and  with  each  transfer  agent for the  Common  Shares  or  the
Preferred Shares 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
corporation  of such merger and, in connection with such  merger,
all  or  part  of  the  Common Shares shall be  changed  into  or
exchanged  for stock or other securities of any other Person  (or
the  Company) or cash or any other property, or (c)  the  Company
shall  sell  or  otherwise  transfer  (or  one  or  more  of  its
Subsidiaries shall sell or otherwise transfer), in  one  or  more
transactions, assets or earning power aggregating 50% or more  of
the  assets  or earning power of the Company and its Subsidiaries
(taken as a whole) to any other Person other than the Company  or
one  or more of its wholly owned Subsidiaries, then, and in  each
such case, proper provision shall be made so that (i) each holder
of a Right (except as otherwise provided herein) shall thereafter
have  the right to receive, upon the exercise thereof at a  price
equal to the then current Purchase Price multiplied by the number
of  one one-hundredths of a Preferred Share for which a Right  is
then  exercisable, in accordance with the terms of this Agreement
and in lieu of Preferred Shares, such number of Common Shares  of
such other Person (including the Company as successor thereto  or
as  the surviving corporation) as shall equal the result obtained
by  (A) multiplying the then current Purchase Price by the number
of  one one-hundredths of a Preferred Share for which a Right  is
then exercisable and dividing that product by (B) 50% of the then
current per share market price of the Common Shares of such other
Person (determined pursuant to Section 11(d) hereof) on the  date
of  consummation of such consolidation, merger, sale or transfer;
(ii)  the issuer of such Common Shares shall thereafter be liable
for,  and shall assume, by virtue of such consolidation,  merger,
sale  or  transfer, all the obligations and duties of the Company
pursuant  to  this  Agreement; (iii)  the  term  "Company"  shall
thereafter  be  deemed  to refer to such issuer;  and  (iv)  such
issuer shall take such steps (including, but not limited to,  the
reservation  of  a  sufficient number of its  Common  Shares)  in
connection with such consummation as may be necessary  to  ensure
that  the  provisions hereof shall thereafter be  applicable,  as
nearly  as  reasonably may be, in relation to the  Common  Shares
thereafter  deliverable upon the exercise  of  the  Rights.   The
Company shall not consummate any such consolidation, merger, sale

<PAGE>

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  that, as a result of the consummation  of  such
transaction,  would  eliminate  or  substantially  diminish   the
benefits  intended to be afforded by the Rights.  The  provisions
of this Section 13 shall similarly apply to successive mergers or
consolidations or sales or other transfers.

SECTION 14.     FRACTIONAL RIGHTS AND FRACTIONAL SHARES

    (a)  The Company shall not be required to issue fractions of Rights
or  to  distribute  Right Certificates that  evidence  fractional
Rights.   In lieu of such fractional Rights, there shall be  paid
to  the  registered holders of the Right Certificates with regard
to  which such fractional Rights would otherwise be issuable,  an
amount  in cash equal to the same fraction of the current  market
value  of a whole Right.  For the purposes of this Section 14(a),
the  current  market value of a whole Right shall be the  closing
price of the Rights for the Trading Day immediately prior to  the
date  on  which such fractional Rights would have been  otherwise
issuable.   The closing price for any day shall be the last  sale
price, regular way, or, in case no such sale takes place on  such
day,  the  average of the closing bid and asked  prices,  regular
way,  in  either  case as reported in the principal  consolidated
transaction reporting system with respect to securities listed or
admitted  to trading on the New York Stock Exchange  or,  if  the
Rights  are  not listed or admitted to trading on  the  New  York
Stock   Exchange,  as  reported  in  the  principal  consolidated
transaction reporting system with respect to securities listed on
the  principal national securities exchange on which  the  Rights
are  listed  or  admitted to trading or, if the  Rights  are  not
listed   or  admitted  to  trading  on  any  national  securities
exchange, the last quoted price or, if not so quoted, the average
of  the  high  bid  and low asked prices in the  over-the-counter
market as reported by Nasdaq or such other system then in use or,
if  on  any  such  date the Rights are not  quoted  by  any  such
organization, the average of the closing bid and asked prices  as
furnished by a professional market maker making a market  in  the
Rights  selected by the Board of Directors.  If on any such  date
no  such market maker is making a market in the Rights, the  fair
value  of the Rights on such date as determined in good faith  by
the Board of Directors shall be used.

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

    (c)  The holder of a Right by the acceptance of the Right expressly
waives  his or her 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

<PAGE>

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  or
her  own behalf and for his or her 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  or  her
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 are  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 SHAREHOLDER

    No holder, as such, of any Right Certificate shall be entitled to
vote,  receive dividends or be deemed for any purpose the  holder
of  the  Preferred Shares or any other securities of the  Company
that  may  at any time be issuable on the exercise of the  Rights
represented  thereby, nor shall anything contained herein  or  in
any  Right Certificate be construed to confer upon the holder  of
any  Right  Certificate,  as  such,  any  of  the  rights  of   a
shareholder of the Company or any right to vote for the  election
of  directors or upon any matter submitted to shareholders at any
meeting  thereof, or to give or withhold consent to any corporate
action,  or  to  receive  notice of  meetings  or  other  actions
affecting shareholders (except as provided in Section 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.  In no case  will  the
Rights  Agent  be  liable  for special, indirect,  incidental  or
consequential loss or damage of any kind whatsoever, even if  the
Rights  Agent has been advised of the likelihood of such loss  or
damage.

<PAGE>

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

SECTION 19.     MERGER OR CONSOLIDATION OR CHANGE OF NAME OF  RIGHTS
                AGENT

    Any  corporation  into which the Rights Agent  or  any  successor
Rights  Agent may be merged or with which it may be consolidated,
or  any corporation resulting from any merger or 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:

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

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

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

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

<PAGE>

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 hereof,  or
the ascertaining of the existence of facts that would require any
such change or adjustment (except with respect to the exercise of
Rights  evidenced by Right Certificates after actual notice  that
such  change or adjustment is required); nor shall it by any  act
hereunder be deemed to make any representation or warranty as  to
the  authorization or reservation of any Preferred Shares  to  be
issued pursuant to this Agreement or any Right Certificate or  as
to  whether  any Preferred Shares will, when issued,  be  validly
authorized and issued, fully paid and nonassessable.

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

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

    (h)  The  Rights  Agent and any shareholder, director,  officer  or
employee of the Rights Agent may buy, sell or deal in any of  the
Rights  or  other securities of the Company or become pecuniarily
interested  in  any  transaction in  which  the  Company  may  be
interested,  or  contract with or lend money to  the  Company  or
otherwise  act as fully and freely as though it were  not  Rights
Agent  under  this Agreement.  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 or Preferred Shares by registered  or
certified  mail, and to the holders of the Right Certificates  by
first-class mail.  The Company may remove the Rights Agent or any
successor Rights Agent upon 30 days' notice in writing, mailed to
the  Rights Agent or successor Rights Agent, as the case may  be,
and  to  each  transfer agent of the Common Shares  or  Preferred
Shares by registered or certified mail, and to the holders of the
Right  Certificates  by first-class mail.  If  the  Rights  Agent
shall resign or be removed or shall otherwise become incapable of
acting,  the  Company  shall appoint a successor  to  the  Rights
Agent.  If the Company shall fail to make such appointment within
a  period of 30 days after giving notice of such removal or after
it has been notified in writing of such resignation or incapacity
by  the  resigning or incapacitated Rights Agent or by the holder
of  a Right Certificate (who shall, with such notice, submit  his
or her Right Certificate for inspection by the Company), then the

<PAGE>

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 either (a) a  corporation
organized and doing business under the laws of the United  States
or  of the State of Washington or New York (or of any other state
of the United States so long as such corporation is authorized to
do  business as a banking institution in the State of  Washington
or  New York), in good standing, having an office in the State of
Washington  or New York, which is authorized under such  laws  to
exercise corporate trust or stock transfer powers and is  subject
to  supervision or examination by federal or state authority  and
that  has  at  the  time of its appointment  as  Rights  Agent  a
combined  capital and surplus of at least $50 million or  (b)  an
affiliate   of  such  a  corporation.   After  appointment,   the
successor  Rights  Agent shall be vested with  the  same  powers,
rights,  duties and responsibilities as if it had been originally
named  as  Rights  Agent without further act  or  deed;  but  the
predecessor  Rights  Agent  shall deliver  and  transfer  to  the
successor  Rights  Agent any property at  the  time  held  by  it
hereunder,   and  execute  and  deliver  any  further  assurance,
conveyance,  act  or deed necessary for the purpose.   Not  later
than the effective date of any such appointment the Company shall
file  notice thereof in writing with the predecessor Rights Agent
and each transfer agent of the Common Shares or Preferred Shares,
and mail a notice thereof in writing to the registered holders of
the  Right Certificates.  Failure to give any notice provided for
in  this  Section 21, however, or any defect therein,  shall  not
affect the legality or validity of the resignation or removal  of
the  Rights  Agent  or  the appointment of the  successor  Rights
Agent, as the case may be.

SECTION 22.     ISSUANCE OF NEW RIGHT CERTIFICATES

    Notwithstanding any of the provisions of this Agreement or of the
Rights to the contrary, the Company may, at its option, issue new
Right  Certificates  evidencing Rights in such  form  as  may  be
approved  by 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.

SECTION 23.     REDEMPTION

    (a)  The  Board of Directors 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 of 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").    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 ordering
the  redemption of the Rights pursuant to paragraph (a)  of  this
Section  23,  and  without any further  action  and  without  any
notice,  the right to exercise the Rights will terminate and  the
only  right  thereafter  of the holders of  Rights  shall  be  to
receive  the  Redemption Price.  The Company shall promptly  give
public notice of any such redemption; provided, however, that the
failure  to  give,  or any defect in, any such notice  shall  not
affect  the  validity of such redemption.  Within 10  days  after
such action of the Board of Directors 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.

<PAGE>

SECTION 24.     EXCHANGE

    (a)  The  Board of Directors 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  the  Company, any Subsidiary of  the  Company,  any
employee  benefit plan of the Company or any such Subsidiary,  or
any entity holding Common Shares for or pursuant to the terms  of
any  such  plan), together with all Affiliates and Associates  of
such  Person, becomes the Beneficial Owner of 50% or more of  the
Common Shares then outstanding.

    (b)  Immediately upon the action of the Board of Directors 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
that  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  that  will  be
exchanged.  Any partial exchange shall be effected pro rata based
on  the number of Rights (other than Rights that have become void
pursuant to the provisions of Section 11(a)(ii) hereof)  held  by
each holder of Rights.

    (c)  If there shall not be sufficient Common Shares authorized  but
unissued  to  permit  any exchange of Rights as  contemplated  in
accordance with this Section 24, the Company shall take all  such
action  as may be necessary to authorize additional Common Shares
for  issuance upon exchange of the Rights.  If the Company shall,
after good faith effort, be unable to take all such action as may
be  necessary  to  authorize such additional Common  Shares,  the
Company  shall  substitute,  for each  Common  Share  that  would
otherwise  be  issuable upon exchange of a  Right,  a  number  of
Preferred  Shares or fraction thereof such that the  current  per
share  market  price  of one Preferred Share multiplied  by  such
number or fraction is equal to the current per share market price
of  one Common Share as of the date of issuance of such Preferred
Shares or fraction thereof.

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

SECTION 25.     NOTICE OF CERTAIN EVENTS

    (a)  In  case  the  Company shall propose (i) to pay  any  dividend
payable  in  stock of any class to the holders of  its  Preferred
Shares  or to make any other distribution to the holders  of  its
Preferred  Shares (other than a regular quarterly cash dividend),
(ii)  to  offer to the holders of its Preferred Shares rights  or
warrants to subscribe for or to purchase any additional Preferred
Shares  or  shares of stock of any class or any other securities,
rights  or options, (iii) to effect any reclassification  of  its

<PAGE>

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

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

        Ostex International, Inc.
        2203 Airport Way South, Ste. 301
        Seattle, Washington 98134
        Attention:  Robert M. Littauer
                    Senior Vice President, Finance and Administration

    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:

        ChaseMellon Shareholder Services L.L.C.
        520 Pike Street, Suite 1220
        Seattle, WA  98101
        Attention: Ardis "Dee" Henderson
                   Vice President

    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

<PAGE>

supplement  any provision contained herein that may be  defective
or  inconsistent with any other provisions herein, or to make any
other provisions with respect to the Rights that 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 that would adversely affect the  interests
of  the  holders of Rights.  Without limiting the foregoing,  the
Company  may at any time prior to such time as any Person becomes
an  Acquiring Person amend this Agreement to lower the thresholds
set  forth in Sections l(a) and 3(a) hereof to not less than  the
greater of (a) the sum of .001% and the largest percentage of the
outstanding  Common  Shares  then known  by  the  Company  to  be
beneficially  owned by any Person (other than  the  Company,  any
Subsidiary  of  the  Company, any employee benefit  plan  of  the
Company  or any Subsidiary of the Company, or any entity  holding
Common Shares for or pursuant to the terms of any such plan)  and
(b) 10%.

SECTION 28.     SUCCESSORS

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

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
Washington  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
one and the same instrument.

<PAGE>

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, all as of the day and  year  first  above
written.

                              OSTEX INTERNATIONAL, INC.
                              
                              
                              By:   /S/ ROBERT M.LITTAUER
                                 -------------------------------
                                 Robert M.  Littauer
                                 Senior Vice President, Finance
                                 and Operations
                               
                               
                              CHASEMELLON SHAREHOLDER SERVICES L.L.C.
                              
                              
                              By:   /S/ ARDIS "DEE" HENDERSON
                                 -------------------------------
                                 Ardis "Dee" Henderson
                                 Vice President
<PAGE>

                            EXHIBIT A

              FORM OF CERTIFICATE OF DESIGNATION -
          SERIES A JUNIOR PARTICIPATING PREFERRED STOCK
                               OF
                    OSTEX INTERNATIONAL, INC.

    Pursuant   to  Section  23B.06.020  of  the  Washington  Business
Corporation   Act,  Ostex  International,  Inc.,   a   Washington
corporation  (the  "Corporation"), does hereby certify  that  the
following provisions from the Amended and Restated Articles  (the
"Articles") of the Corporation were duly adopted by the Board  of
Directors  of  the Corporation (the "Board of Directors")  as  of
January 10, 1997:

    RESOLVED, that pursuant to the authority granted to and vested in
the  Board of Directors in accordance with the provisions of  the
Articles,  the  Board  of Directors hereby creates  a  series  of
Preferred Stock, par value $.01 per share, of the Corporation and
hereby states the designation and number of shares, and fixes the
relative rights, preferences and limitations thereof (in addition
to  the provisions set forth in the Articles which are applicable
to  the Preferred Stock of all classes and series), as set  forth
in Section 2.8 of the Articles, as follows:

    2.8   Series A Junior Participating Preferred Stock.  The
Corporation hereby designates 500,000 shares of its Preferred
Stock as "Series A Junior Participating Preferred Stock." The
rights, preferences, and limitations of such shares are as set
forth herein.

        2.8.1   Designation of Series A Junior Participating Preferred
Stock and Amount.  The shares of such series shall be designated
as "Series A Junior Participating Preferred Stock" (the "Series A
Preferred Stock") and the number of shares constituting the
Series A Preferred Stock shall be 500,000.  Such number of shares
may be increased or decreased by resolution of the Board of
Directors; provided, however, that no decrease shall reduce the
number of shares of Series A Preferred Stock to a number less
than the number of shares then outstanding plus the number of
shares reserved for issuance upon the exercise of Rights (the
"Rights") issued pursuant to the Rights Agreement dated as of
January 21, 1997 between the Corporation and ChaseMellon
Shareholder Services L.L.C. (the "Rights Agreement"); provided,
further, that if more than a total of 500,000 shares of Series A
Preferred Stock shall be issuable upon the exercise of the
Rights, the Board of Directors, pursuant to Section 23B.06.020 of
the Washington Business Corporation Act, shall direct by
resolution that Articles of Amendment be properly executed and
filed, in accordance with the provisions thereof, providing for
an increase in the authorized shares of Series A Preferred Stock
to the largest number of whole shares issuable upon exercise of
the Rights.

        2.8.2   Dividends and Distributions.

        (A)   Subject to the rights of the holders of any shares of any
series of Preferred Stock (or any similar stock) ranking prior
and superior to the Series A Preferred Stock with respect to
dividends, the holders of shares of Series A Preferred Stock, in
preference to the holders of Common Stock, par value $.01 per
share (the "Common Stock"), of the Corporation, and of any other
junior stock, shall be entitled to receive, when, as and if
declared by the Board of Directors out of funds legally available
for the purpose, quarterly dividends payable in cash on the first
day of March, June, September and December in each year (each
such date being referred to herein as a "Quarterly Dividend
Payment Date"), commencing on the first Quarterly Dividend
Payment Date after the first issuance of a share or fraction of a
share of Series A Preferred Stock, in an amount per share
(rounded to the nearest cent) equal to the greater of (i) $1 and
(ii) subject to the provision for adjustment hereinafter set
forth, 100 times the aggregate per share amount of all cash
dividends, and 100 times the aggregate per share amount (payable
in kind) of all noncash dividends or other distributions, other
than a dividend payable in shares of Common Stock or a
subdivision of the outstanding shares of Common Stock (by

<PAGE>

reclassification or otherwise), declared on the Common Stock
since the immediately preceding Quarterly Dividend Payment Date
or, with respect to the first Quarterly Dividend Payment Date,
since the first issuance of any share or fraction of a share of
Series A Preferred Stock.  In the event the Corporation shall at
any time declare or pay any dividend on the Common Stock payable
in shares of Common Stock, or effect a subdivision or combination
or consolidation of the outstanding shares of Common Stock (by
reclassification or otherwise than by payment of a dividend in
shares of Common Stock) into a greater or lesser number of shares
of Common Stock, then in each such case the amount to which
holders of shares of Series A Preferred Stock were entitled
immediately prior to such event under clause (ii) of the
preceding sentence shall be adjusted by multiplying such amount
by a fraction the numerator of which is the number of shares of
Common Stock outstanding immediately after such event and the
denominator of which is the number of shares of Common Stock that
were outstanding immediately prior to such event.

        (B)   The Corporation shall declare a dividend or distribution on
the Series A Preferred Stock as provided in paragraph (A) of this
Section 2.8.2 immediately after it declares a dividend or
distribution on the Common Stock (other than a dividend payable
in shares of Common Stock); provided, however, that, in the event
no dividend or distribution shall have been declared on the
Common Stock during the period between any Quarterly Dividend
Payment Date and the next subsequent Quarterly Dividend Payment
Date, a dividend of $1 per share on the Series A Preferred Stock
shall nevertheless be payable on such subsequent Quarterly
Dividend Payment Date.

        (C)   Dividends shall begin to accrue and be cumulative on
outstanding shares of Series A Preferred Stock from the Quarterly
Dividend Payment Date next preceding the date of issue of such
shares, unless the date of issue of such shares is prior to the
record date for the first Quarterly Dividend Payment Date, in
which case dividends on such shares shall begin to accrue from
the date of issue of such shares, or unless the date of issue is
a Quarterly Dividend Payment Date or is a date after the record
date for the determination of holders of shares of Series A
Preferred Stock entitled to receive a quarterly dividend and
before such Quarterly Dividend Payment Date, in either of which
events such dividends shall begin to accrue and be cumulative
from such Quarterly Dividend Payment Date.  Accrued but unpaid
dividends shall not bear interest.  Dividends paid on the shares
of Series A Preferred Stock in an amount less than the total
amount of such dividends at the time accrued and payable on such
shares shall be allocated pro rata on a share-by-share basis
among all such shares at the time outstanding.  The Board of
Directors may fix a record date for the determination of holders
of shares of Series A Preferred Stock entitled to receive payment
of a dividend or distribution declared thereon, which record date
shall be not more than 60 days prior to the date fixed for the
payment thereof.

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

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

<PAGE>

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

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

        2.8.4   Certain Restrictions.

        (A)   Whenever quarterly dividends or other dividends or
distributions payable on the Series A Preferred Stock as provided
in Section 2.8.2 are in arrears, thereafter and until all accrued
and unpaid dividends and distributions, whether or not declared,
on shares of Series A Preferred Stock outstanding shall have been
paid in full, the Corporation shall not:

                (i)  declare or pay dividends, or make any other
     distributions, on any shares of stock ranking junior (either
     as to dividends or upon liquidation, dissolution or winding
     up) to the Series A Preferred Stock;
     
                (ii)  declare or pay dividends, or make any other
     distributions, on any shares of stock ranking on a parity
     (either as to dividends or upon liquidation, dissolution or
     winding up) with the Series A Preferred Stock except
     dividends paid ratably on the Series A Preferred Stock and
     all such parity stock on which dividends are payable or in
     arrears in proportion to the total amounts to which the
     holders of all such shares are then entitled;
     
                (iii)  redeem or purchase or otherwise acquire for
     consideration shares of any stock ranking junior (either as
     to dividends or upon liquidation, dissolution or winding up)
     to the Series A Preferred Stock provided that the
     Corporation may at any time redeem, purchase or otherwise
     acquire shares of any such junior stock in exchange for
     shares of any stock of the Corporation ranking junior
     (either as to dividends or upon dissolution, liquidation or
     winding up) to the Series A Preferred Stock; or
     
                (iv)  redeem or purchase or otherwise acquire for
     consideration any shares of Series A Preferred Stock or any
     shares of stock ranking on a parity with the Series A
     Preferred Stock, except in accordance with a purchase offer
     made in writing or by publication (as determined by the
     Board of Directors) to all holders of such shares upon such
     terms as the Board of Directors, after consideration of the
     respective annual dividend rates and other relative rights
     and preferences of the respective series and classes, shall
     determine in good faith will result in fair and equitable
     treatment among the respective series or classes.

        (B)   The Corporation shall not permit any subsidiary of the
Corporation to purchase or otherwise acquire for consideration
any shares of stock of the Corporation unless the Corporation
could, under paragraph (A) of this Section 2.8.4, purchase or
otherwise acquire such shares at such time and in such manner.

<PAGE>

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

        2.8.6   Liquidation, Dissolution or Winding Up.  Upon any
liquidation, dissolution or winding up of the Corporation, no
distribution shall be made (a) to the holders of shares of stock
ranking junior (either as to dividends or upon liquidation,
dissolution or winding up) to the Series A Preferred Stock
unless, prior thereto, the holders of shares of Series A
Preferred Stock shall have received $100 per share, plus an
amount equal to accrued and unpaid dividends and distributions
thereon, whether or not declared, to the date of such payment,
provided that the holders of shares of Series A Preferred Stock
shall be entitled to receive an aggregate amount per share,
subject to the provision for adjustment hereinafter set forth,
equal to 100 times the aggregate amount to be distributed per
share to holders of shares of Common Stock, or (b) to the holders
of shares of stock ranking on a parity (either as to dividends or
upon liquidation, dissolution or winding up) with the Series A
Preferred Stock, except distributions made ratably on the
Series A Preferred Stock and all such parity stock in proportion
to the total amounts to which the holders of all such shares are
entitled upon such liquidation, dissolution or winding up.  In
the event the Corporation shall at any time declare or pay any
dividend on the Common Stock payable in shares of Common Stock,
or effect a subdivision or combination or consolidation of the
outstanding shares of Common Stock (by reclassification or
otherwise than by payment of a dividend in shares of Common
Stock) into a greater or lesser number of shares of Common Stock,
then in each such case the aggregate amount to which holders of
shares of Series A Preferred Stock were entitled immediately
prior to such event under the proviso in clause (a) of the
preceding sentence shall be adjusted by multiplying such amount
by a fraction the numerator of which is the number of shares of
Common Stock outstanding immediately after such event and the
denominator of which is the number of shares of Common Stock that
were outstanding immediately prior to such event.

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

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

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

<PAGE>

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

    IN  WITNESS WHEREOF, this Certificate of Designations is executed
on  behalf  of  the  Corporation by its  Senior  Vice  President,
Finance  and Operations, and attested by its Secretary this  21st
day of January, 1997.


                          /S/  ROBERT M. LITTAUER
                        ------------------------------
                        Robert M. Littauer
                        Senior Vice President, Finance and Operations


Attest:


     /S/ JOHN M. BRENNEMAN
- -------------------------------
Secretary


<PAGE>

                            EXHIBIT B
                                
                    FORM OF RIGHT CERTIFICATE

Certificate No. R-                              _____ Rights

     NOT  EXERCISABLE AFTER JANUARY 27, 2007 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.
     
                        RIGHT CERTIFICATE

                    OSTEX INTERNATIONAL, INC.
                                
    This  certifies that ____________________, or registered assigns,
is  the registered owner of the number of Rights set forth above,
each  of which entitles the owner thereof, subject to the  terms,
provisions  and conditions of the Rights Agreement, dated  as  of
January   21,  1997  (the  "Rights  Agreement"),  between   Ostex
International,  Inc., a Washington corporation  (the  "Company"),
and ChaseMellon Shareholder Services L.L.C. (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., Seattle time, on January 27, 2007 at the principal
office of the Rights Agent, or at the office of its successor  as
Rights  Agent,  one one-hundredth of a fully paid  non-assessable
share of Series A Junior Participating Preferred Stock, par value
$.01  per  share (the "Preferred Shares"), of the Company,  at  a
purchase price of $38 per one one-hundredth of a Preferred  Share
(the  "Purchase Price"), upon presentation and surrender of  this
Right  Certificate  with the Form of Election  to  Purchase  duly
executed.    The  number  of  Rights  evidenced  by  this   Right
Certificate (and the number of one one-hundredths of a  Preferred
Share  that  may  be  purchased upon exercise hereof)  set  forth
above, and the Purchase Price set forth above, are the number and
Purchase  Price  as of January 27, 1997, based on  the  Preferred
Shares  as  constituted at such date.  As provided in the  Rights
Agreement,  the  Purchase  Price  and  the  number  of  one  one-
hundredths  of a Preferred Share that 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 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 offices of the
Rights Agent.

    This Right Certificate, with or without other Right Certificates,
upon  surrender at the principal office of the Rights Agent,  may
be  exchanged for another Right Certificate or Right Certificates
of  like tenor and date evidencing Rights entitling the holder to
purchase  a  like  aggregate number of Preferred  Shares  as  the
Rights  evidenced by the Right Certificate or Right  Certificates
surrendered shall have entitled such holder to purchase.  If this
Right Certificate shall be exercised in part, the holder shall be
entitled   to   receive  upon  surrender  hereof  another   Right
Certificate or Right Certificates for the number of whole  Rights
not exercised.

    Subject  to  the provisions of the 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 shares of the Company's  Common
Stock, par value $.01 per share, or for Preferred Shares.

    No  fractional Preferred Shares will be issued upon the  exercise
of  any  Right  or Rights evidenced hereby (other than  fractions
which  are integral multiples of one one-hundredth of a Preferred

<PAGE>

Share, that may, at the election of the Company, be evidenced  by
depositary receipts), but in lieu thereof a cash payment will  be
made, as provided in the Rights Agreement.

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

                              OSTEX INTERNATIONAL, INC.
                              
                              
                              By_________________________________
                              Its:_______________________________
COUNTERSIGNED:

[______________________]


By______________________________
  Authorized Signature

<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 print name and address of transferee)
                                


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

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 such terms  are
defined in the Rights Agreement).

Dated: __________________________


                              Signature: _____________________________


Signature Guarantee*


_______________________________

*Your  signature  must  be guaranteed by  an  eligible  guarantor
institution  (a  bank,  stock brokerage firm,  savings  and  loan
association  or  credit  union with  membership  in  an  approved
signature medallion program).

- -----------------------------------------------------------------
      
<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:OSTEX INTERNATIONAL, INC.

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

Please insert social security or other identifying number

__________________________________________________________________________
                 (Please print name and address)

___________________________________________________________________________

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

Please insert social security or other identifying number

__________________________________________________________________________
                 (Please print name and address)



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).

Dated:_______________________

                              Signature:____________________________


Signature Guarantee*

___________________________


*Your  signature  must  be guaranteed by  an  eligible  guarantor
institution  (a  bank,  stock brokerage ruin,  savings  and  loan
association  or  credit  union with  membership  in  an  approved
signature medallion program).

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

<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
on  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.

<PAGE>

                            EXHIBIT C

                  SUMMARY OF RIGHTS TO PURCHASE
                        PREFERRED SHARES

    On  January  10,  1997,  the Board of Directors  (the  "Board  of
Directors") of Ostex International, Inc. (the "Company") declared
a  dividend of one preferred share purchase right (a "Right") for
each  outstanding share of common stock, par value $.01 per share
(the  "Common Shares"), of the Company.  The dividend is  payable
on  January  27, 1997 (the "Record Date") to the shareholders  of
record  on that date.  Each Right entitles the registered  holder
to purchase from the Company one one-hundredth of share of Series
A  Junior Participating Preferred Stock, par value $.01 per share
(the  "Preferred Shares"), of the Company at a price of  $38  per
one  one-hundredth  of a Preferred 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 ChaseMellon Shareholder Services L.L.C.,
as Rights Agent (the "Rights Agent").

    Until  the  earlier  to occur of (i) 10 days following  a  public
announcement  that a person or group of affiliated or  associated
persons (an "Acquiring Person") has acquired beneficial ownership
of  20%  or  more of the outstanding Common Shares,  or  (ii)  10
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 beneficial ownership by a person or group  of
20% 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.

    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 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 January 27, 2007 (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 Preferred Shares or
other  securities  or  property issuable, upon  exercise  of  the
Rights  are  subject to adjustment from time to time  to  prevent
dilution  (i)  in  the  event  of  a  stock  dividend  on,  or  a
subdivision,  combination or reclassification of,  the  Preferred
Shares, (ii) upon the grant to holders of the Preferred Shares of
certain rights or warrants to subscribe for or purchase Preferred
Shares  at  a  price,  or securities convertible  into  Preferred

<PAGE>

Shares with a conversion price, less than the then-current market
price of the Preferred Shares, or (iii) upon the distribution  to
holders  of the Preferred Shares of evidences of indebtedness  or
assets  (excluding regular periodic cash dividends  paid  out  of
earnings  or retained earnings or dividends payable in  Preferred
Shares)  or of subscription rights or warrants (other than  those
referred to above).

    The  number  of  outstanding Rights and the number  of  one  one-
hundredths  of a Preferred Share issuable upon exercise  of  each
Right  are  also subject to adjustment 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.

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

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

    If  the  Company  is  acquired  in a  merger  or  other  business
combination transaction or 50% or more of its consolidated assets
or  earning power are sold after a person or group has become  an
Acquiring  Person,  proper provision will be made  so  that  each
holder of a Right 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  that at the time of such transaction will have a  market
value  of  two  times the exercise price of the  Right.   If  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 market value of two times the exercise price  of
the Right.

    With certain exceptions, no adjustment in the Purchase Price will
be required until cumulative adjustments require an adjustment of
at  least  1%  in  such Purchase Price.  No fractional  Preferred
Shares  will  be issued (other than fractions that  are  integral
multiples  of one one-hundredth of a Preferred Share, which  may,
at  the  election  of  the  Company, be evidenced  by  depositary
receipts),  and, in lieu thereof, an adjustment in cash  will  be
made  based  on the market price of the Preferred Shares  on  the
last trading day prior to the date of exercise.

    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 may
exchange  the Rights (other than Rights owned by such  person  or
group  that  will have become void), in whole or in part,  at  an
exchange  ratio  of one Common Share, or one one-hundredth  of  a
Preferred Share, per Right (subject to adjustment).

<PAGE>

    At  any  time  prior to the acquisition by a person or  group  of
affiliated or associated persons of beneficial ownership  of  20%
or  more of the outstanding Common Shares, the Board of Directors
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
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.
The  ability of the Board of Directors to amend the terms of  the
Rights  is in addition to and in no way limits the discretion  of
the Board of Directors to redeem the Rights.

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

    A  copy of the Rights Agreement will be filed with the Securities
and Exchange Commission as an Exhibit to a Registration Statement
on Form 8-A.  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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