DATA I/O CORP
8-A12G, 1998-03-13
INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS
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<PAGE>

                          SECURITIES AND EXCHANGE COMMISSION
                               Washington, D.C.  20549
                                 ____________________

                                       FORM 8-A

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



                                 DATA I/O CORPORATION
- ------------------------------------------------------------------------------
                (Exact name of registrant as specified in its charter)

               Washington                             91-0864123
- ----------------------------------------   -----------------------------------
(State of incorporation or organization)   (I.R.S. Employer Identification No.)

                                10525 Willows Road N.E.
                           Redmond, Washington  98073-9746
- ------------------------------------------------------------------------------
                (Address of principal executive offices and zip code)

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

Title of each class               Name of each exchange on which
to be so registered               each class is to be registered
- ----------------------             -----------------------------
 Not Applicable


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

                           Preferred Share Purchase Rights
                             Pursuant to Rights Agreement
- ------------------------------------------------------------------------------
                                   (Title of Class)

<PAGE>

Item 1.  DESCRIPTION OF SECURITIES TO BE REGISTERED. 

     On March 12, 1998, the Board of Directors (the "Board") of Data I/O 
Corporation (the "Corporation") declared a dividend distribution of one 
preferred share purchase right (a "Right") for each outstanding share of 
Common Stock (the "Common Stock") of the Corporation.  The dividend is 
payable to the shareholders of record on April 4, 1998 (the "Record Date"), 
the expiration date of the Corporation's existing Shareholder Rights Plan, 
and with respect to shares of Common Stock issued thereafter until the 
Distribution Date (as defined below) and, in certain circumstances, with 
respect to shares of Common Stock issued after the Distribution Date.  Except 
as set forth below, each Right, when it becomes exercisable, entitles the 
registered holder to purchase from the Corporation one one-hundredth 
(1/100th) of a share of Series A Junior Participating Preferred Stock of the 
Corporation, having the relative rights, preferences and limitations set 
forth in the Form of Certificate of Designation, Preferences and Rights of 
Series A Junior Participating Preferred Stock (the "Preferred Stock") filed 
as Exhibit A to Exhibit 1 to the Registration Statement on Form 8-A filed by 
the Corporation with the Securities and Exchange Commission on April 5, 1988, 
at a price of $30 per one one-hundredth (1/100th) of a share of Preferred 
Stock (the "Purchase Price"), subject to adjustment.  The description and 
terms of the Rights are set forth in a Rights Agreement (the "Rights 
Agreement") between the Corporation and ChaseMellon Shareholder Services, 
L.L.C., as Rights Agent (the "Rights Agent"), dated as of April 4, 1998.  The 
Preferred Stock was authorized in connection with the adoption of the 
Corporation's existing Shareholder Rights Plan and no shares of the Preferred 
Stock have been issued.

     Initially, the Rights will be attached to certificates representing 
shares of Common Stock then outstanding, and no separate certificates 
representing the Rights ("Right Certificates") will be distributed.  The 
Rights will separate from the Common Stock upon the earlier to occur of (i) a 
person or group of affiliated or associated persons having acquired, without 
the prior approval of the Corporation's Board of Directors, beneficial 
ownership of 15% or more of the outstanding shares of Common Stock or (ii) 10 
days, or such later date as the Board may determine, following the 
commencement of or announcement of an intention to make, a tender offer or 
exchange offer the consummation of which would result in a person or group of 
affiliated or associated persons becoming an Acquiring Person (as hereinafter 
defined) except pursuant to a Permitted Offer (as hereinafter defined) (the 
"Distribution Date").  A person or group whose acquisitions of shares of 
Common Stock cause a Distribution Date pursuant to clause (i) above is an 
"Acquiring Person," with certain exceptions as set forth in the Rights 
Agreement.  The date that a person or group is first publicly announced to 
have become such by the Corporation or such Acquiring Person is the "Shares 
Acquisition Date."

                                      2

<PAGE>

     The Rights Agreement provides that, until the Distribution Date, the 
Rights will be transferred with and only with the associated shares of Common 
Stock. Until the Distribution Date (or earlier redemption or expiration of 
the Rights), new Common Stock certificates issued after the Record Date upon 
transfer or new issuance of shares of Common Stock 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 shares of Common Stock outstanding as of the 
Record Date, even without attaching thereto such notation or a copy of the 
Summary of Rights attached to the Rights Agreement as Exhibit B, will also 
constitute the transfer of the Rights associated with the shares of Common 
Stock represented by such certificate.  As soon as practicable following the 
Distribution Date Right Certificates will be mailed to the holders of record 
of shares of the Common Stock as of the Close of Business (as defined in the 
Rights Agreement) on the Distribution Date (and to each initial record holder 
of certain shares of Common Stock issued after the Distribution Date), and 
such separate Right Certificates alone will evidence the Rights.

     The Rights are not exercisable until the Distribution Date and will 
expire at the close of business on April 4, 2008, unless earlier redeemed by 
the Corporation as described below.

     In the event that any person becomes an Acquiring Person (except 
pursuant to a tender or exchange offer which is for all outstanding shares of 
Common Stock at a price and on terms which a majority of certain members of 
the Board determines to be adequate and in the best interests of the 
Corporation, its shareholders and other relevant constituencies, other than 
such Acquiring Person, its affiliates and associates (a "Permitted Offer")), 
each holder of a Right will thereafter have the right (the "Flip-In Right") 
to receive upon exercise the number of shares of Common Stock (or, in certain 
circumstances, of one one-hundredths (1/100ths) of a share of Preferred Stock 
or other securities of the Corporation) having a value (immediately prior to 
such triggering event) equal to two times the then-applicable Purchase Price 
of the Right. Notwithstanding the foregoing, following the occurrence of the 
event described above, all Rights that are, or (under certain circumstances 
specified in the Rights Agreement) were, beneficially owned by any Acquiring 
Person or any affiliate or associate thereof will be null and void.  The 
Board has the option, at any time after any person becomes an Acquiring 
Person, to exchange all or part of the then-exercisable Rights (excluding 
those that have become void, as described in the immediately preceding 
sentence) for shares of Common Stock, at an exchange ratio determined by 
dividing the then-applicable Purchase Price by the then-current market price 
per share of Common Stock as determined in accordance with the Rights 
Agreement.  However, this option generally terminates if any person becomes 
the beneficial owner of 50% or more of the Common Stock.


                                      3

<PAGE>

     In the event that, at any time following the Shares Acquisition Date, 
(i) the Corporation is acquired in a merger or other business combination 
transaction in which the holders of all of the outstanding shares of Common 
Stock immediately prior to the consummation of the transaction are not the 
holders of all of the surviving corporation's voting power, or (ii) more than 
50% of the Corporation's assets or earning power is sold or transferred, in 
either case with or to (x) an Acquiring Person or any affiliate or associate 
thereof or (y) any other person in which such Acquiring Person, affiliate or 
associate has an interest or any person acting on behalf of or in concert 
with such Acquiring Person, affiliate or associate, or (z) if, in such 
transaction, all holders of shares of Common Stock are not treated alike, any 
other person, then each holder of a Right (except Rights which previously 
have been voided as set forth above) shall thereafter have the right (the 
"Flip-Over Right") to receive, upon exercise, common shares of the acquiring 
company (or, in certain circumstances, its parent) having a value equal to 
two times the exercise price of the Right.  The holder of a Right will 
continue to have the Flip-Over Right whether or not such holder exercises or 
surrenders the Flip-In Right.

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

     The number of outstanding Rights and the number of one one-hundredths 
(1/100ths) of a share of Preferred Stock issuable upon exercise of each Right 
are also subject to adjustment in the event of a stock split of the Common 
Stock or a stock dividend on the Common Stock payable in Common Stock or 
subdivisions, consolidations or combinations of the Common Stock occurring, 
in any such case, prior to the Distribution Date.

     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.

     At any time prior to the earlier to occur of (i) a person becoming an 
Acquiring Person or (ii) the expiration of the Rights, and under certain 
other circumstances, the Corporation may redeem the Rights in whole, but not 
in part, at a price (payable in cash or, at the Corporation's election, in 
Common Stock) of $.001 per Right (the "Redemption Price"), which redemption 
shall be effective upon the action of the Board.  Additionally, 

                                      4

<PAGE>

following the Shares Acquisition Date, the Corporation may redeem the then 
outstanding Rights in whole, but not in part, at the Redemption Price, 
provided that such redemption is in connection with a merger or other 
business combination transaction or series of transactions involving the 
Corporation in which all holders of shares of Common Stock are treated alike 
but not involving an Acquiring Person or its affiliates or associates.

     Other than those provisions relating to the rights, duties and 
obligations of the Rights Agent and certain principal economic terms of the 
Rights, all of the provisions of the Rights Agreement may be amended by the 
Board prior to the Distribution Date.  After the Distribution Date, the 
provisions of the Rights Agreement may be amended by the Board in order to 
cure any ambiguity, defect or inconsistency, to make changes that do not 
adversely affect the interests of holders of Rights (excluding the interests 
of any Acquiring Person), or, subject to certain limitations, to shorten or 
lengthen any time period under the Rights Agreement.

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

     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. 

     As of March 12, 1998, there were 7,135,157 shares of Common Stock 
outstanding.  Each share of Common Stock outstanding on the Record Date will 
receive one Right.  As long as the Rights are attached to the shares of 
Common Stock, the Corporation will issue one Right with each new share of 
Common Stock so that all such shares will have attached rights. 

     The Rights have certain anti-takeover effects.  The Rights will cause 
substantial dilution to a person or group that attempts to acquire the 
Corporation without conditioning the offer on the Rights being redeemed or a 
substantial number of Rights being acquired.  However, the Rights should not 
interfere with any tender offer or merger approved by the Corporation (other 
than with an Acquiring Person) because the Rights do not become exercisable 
in the event of a Permitted Offer or other acquisition exempted by the Board.

     Attached hereto as Exhibit 4.1 and incorporated herein by reference are
copies of the Rights Agreement and the exhibits thereto, as follows: 
Exhibit A -- Form of Right 

                                      5

<PAGE>

Certificate; and Exhibit B -- Summary of Rights to Purchase Series A Junior 
Participating Preferred Stock.  The foregoing description of the Rights is 
qualified in its entirety by reference to the Rights Agreement and such 
exhibits thereto.

Item 2.  EXHIBITS.

     4.1     Rights Agreement, dated as of April 4, 1998, between Data I/O
             Corporation and ChaseMellon Shareholder Services, L.L.C. as Rights
             Agent, which includes: as Exhibit A thereto, the Form of Right
             Certificate; and, as Exhibit B thereto, the Summary of Rights to
             Purchase Series A Junior Participating Preferred Stock.




                       [REST OF PAGE INTENTIONALLY LEFT BLANK]


                                      6

<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, thereto duly authorized.

                                          DATA I/O CORPORATION

                                          By: /s/ Joel S. Hatlen
                                              ------------------------------
                                              Joel S. Hatlen
                                              Vice President of Finance and 
                                              Chief Financial Officer

Date:  March 13, 1998


                                      7

<PAGE>


                                    EXHIBIT INDEX



   Exhibit    Description


     4.1      Rights Agreement, dated as of April 4, 1998, between
              Data I/O Corporation and ChaseMellon Shareholder
              Services, L.L.C. as Rights Agent, which includes:  as
              Exhibit A thereto, the Form of Right Certificate; and,
              as Exhibit B thereto, the Summary of Rights to
              Purchase Series A Junior Participating Preferred
              Stock.




<PAGE>

                                                                   EXHIBIT 4.1

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

                             DATA I/O CORPORATION
                                          
                                     and
                                          
           CHASEMELLON SHAREHOLDER SERVICES L.L.C., AS RIGHTS AGENT
                                          
                                          
                               RIGHTS AGREEMENT
                                          
                          DATED AS OF APRIL 4, 1998
                                           
- ------------------------------------------------------------------------------

<PAGE>

                                  TABLE OF CONTENTS
                                          
<TABLE>
<CAPTION>
                                                                                 PAGE
<S> <C>                                                                           <C>
1.  Certain Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

2.  Appointment Of Rights Agent. . . . . . . . . . . . . . . . . . . . . . . . . . .6

3.  Issuance Of Right Certificates . . . . . . . . . . . . . . . . . . . . . . . . .7

4.  Form Of Right Certificate. . . . . . . . . . . . . . . . . . . . . . . . . . . .8

5.  Countersignature And Registration. . . . . . . . . . . . . . . . . . . . . . . .9

6.  Transfer, Split-Up, Combination And Exchange Of Right Certificates;
    Mutilated, Destroyed, Lost Or Stolen Right Certificates  . . . . . . . . . . . 10

7.  Exercise Of Rights; Purchase Price; Expiration Date Of Rights. . . . . . . . . 11

8.  Cancellation And Destruction Of Right Certificates . . . . . . . . . . . . . . 13

9.  Reservation And Availability Of Preferred Stock. . . . . . . . . . . . . . . . 14

10. Preferred Stock Record Date  . . . . . . . . . . . . . . . . . . . . . . . . . 15

11. Adjustment Of Purchase Price, Number And Kind Of Shares Or Number Of Rights. . 15

12. Certificate Of Adjusted Purchase Price Or Number Of Shares . . . . . . . . . . 22

13. Consolidation, Merger Or Sale Or Transfer Of Assets Or Earning Power . . . . . 23

14. Fractional Rights And Fractional Shares. . . . . . . . . . . . . . . . . . . . 25

15. Rights Of Action . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

16. Agreement Of Right Holders . . . . . . . . . . . . . . . . . . . . . . . . . . 27

17. Right Certificate Holder Not Deemed A Stockholder. . . . . . . . . . . . . . . 28

18. Concerning The Rights Agent  . . . . . . . . . . . . . . . . . . . . . . . . . 28

19. Merger Or Consolidation Or Change Of Name Of Rights Agent. . . . . . . . . . . 29

20. Duties Of Rights Agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

21. Change Of Rights Agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

22. Issuance Of New Right Certificates . . . . . . . . . . . . . . . . . . . . . . 33

23. Redemption And Termination . . . . . . . . . . . . . . . . . . . . . . . . . . 33

24. Notice Of Certain Events . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

25. Miscellaneous. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

26. Exchange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38


Exhibit A - Form of Right Certificate. . . . . . . . . . . . . . . . . . . . . . .A-1
Exhibit B - Form of Summary of Rights. . . . . . . . . . . . . . . . . . . . . . .B-1
</TABLE>

<PAGE>

                               RIGHTS AGREEMENT


     This RIGHTS AGREEMENT (this "AGREEMENT") is made as of this 4th day of 
April, 1998 by and between Data I/O Corporation, a Washington corporation 
(the "CORPORATION"), and ChaseMellon Shareholder Services, L.L.C., a New 
Jersey limited liability company (the "RIGHTS AGENT"), with respect to the 
following facts and circumstances.

     A.   The Board of Directors of the Corporation has authorized and 
declared a dividend of one preferred share purchase right (a "RIGHT") for 
each share of Common Stock (as hereinafter defined) of the Corporation 
outstanding at the Close of Business (as hereinafter defined) on April 4, 
1998 (the "RECORD DATE"), each Right representing the right to purchase one 
one-hundredth (1/100th) of a share of Preferred Stock (as hereinafter 
defined), upon the terms and subject to the conditions herein set forth.

     B.   The Board of Directors of the Corporation has further authorized 
and directed the issuance of one Right with respect to each share of Common 
Stock that shall become outstanding between the Record Date and the earliest 
of the Distribution Date, the Redemption Date or the Final Expiration Date 
(as such terms are hereinafter defined); PROVIDED, HOWEVER, that Rights may 
be issued with respect to shares of Common Stock that shall become 
outstanding after the Distribution Date and prior to the earlier of the 
Redemption Date and the Final Expiration Date in accordance with the 
provisions of Section 22 of this Agreement.

     NOW, THEREFORE, in consideration of the foregoing and the mutual 
agreements herein set forth, the parties hereby agree as follows:

     1.   CERTAIN DEFINITIONS.


     For purposes of this Agreement, the following terms have the meanings 
indicated:

          1.1.  "ACQUIRING PERSON" means any Person who or which, together 
with all Affiliates and Associates of such Person, without the prior approval 
of the Corporation's Board of Directors, shall be the Beneficial Owner of 15% 
or more of the then outstanding shares of Common Stock (other than as a 
result of a Permitted Offer) or was such a Beneficial Owner at any time after 
the date hereof, whether or not such person continues to be the Beneficial 
Owner of 15% or more of the then outstanding shares of Common Stock.  
Notwithstanding the foregoing:  (A) the term "Acquiring Person" shall not 
include (i) the Corporation, (ii) any Subsidiary of the Corporation, (iii) 
any employee benefit plan of the Corporation or of any Subsidiary of the 
Corporation, (iv) any Person or entity organized, appointed or established by 
the Corporation or any Subsidiary of the Corporation for or pursuant to the 
terms of any such plan, or (v) any Person who or which, together with all 
Affiliates and Associates of such Person, becomes the Beneficial Owner of 15% 
or more of the then outstanding shares of Common Stock 


<PAGE>

as a result of the acquisition of shares of Common Stock directly from the 
Corporation; and (B) no Person shall be deemed to be an "Acquiring Person" 
either (i) as a result of the acquisition of Common Stock by the Corporation 
which, by reducing the number of shares of Common Stock outstanding, 
increases the proportional number of shares beneficially owned by such Person 
together with all Affiliates and Associates of such Person; PROVIDED, 
HOWEVER, that if (X) a Person would become an Acquiring Person (but for the 
operation of this subclause (B)(i)) as a result of the acquisition of shares 
of Common Stock by the Corporation, and (Y) after such share acquisition by 
the Corporation, such Person, or an Affiliate or Associate of such Person, 
becomes the Beneficial Owner of any additional shares of Common Stock, then 
such Person shall be deemed an Acquiring Person, or (ii) if (X) within eight 
(8) days after such Person would otherwise have become an Acquiring Person 
(but for the operation of this subclause (B)(ii)), such Person notifies the 
Board of Directors of the Corporation that such Person did so inadvertently 
and (Y) within two (2) days after such notification, such Person is the 
Beneficial Owner of less than 15% of the outstanding shares of Common Stock.

          1.2.  "ACT" means the Securities Act of 1933, as amended.

          1.3.  "ADJUSTED NUMBER OF SHARES" and "ADJUSTED PURCHASE PRICE" 
have the respective meanings set forth in Section 11.1.3 hereof.

          1.4.  "ADJUSTMENT SHARES" has the meaning set forth in Section 
11.1.2 hereof.

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

          1.6.  The term "CURRENT PER SHARE MARKET PRICE" shall have the 
meaning set forth in Section 11.4.1 hereof when used with respect to a 
"Security" (as defined in said Section 11.4.1) and shall have the meaning set 
forth in Section 11.4.2 when used with respect to the Preferred Stock.

          1.7.  A Person is the "BENEFICIAL OWNER" of and "BENEFICIALLY OWNS" 
any securities which:

                1.7.1.  such Person or any of such Person's Affiliates or 
Associates beneficially owns, directly or indirectly;

                1.7.2.  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 or understanding, or upon the exercise of 


                                       2
<PAGE>

conversion rights, exchange rights, rights (other than the Rights), warrants 
or options, or otherwise; PROVIDED, HOWEVER, that a Person shall not be 
deemed the Beneficial Owner of, or to beneficially own, securities tendered 
pursuant to a tender or exchange offer made by or on behalf of such Person or 
any of such Person's Affiliates or Associates until such tendered securities 
are accepted for purchase or exchange; or (B) the right to vote pursuant to 
any agreement, arrangement or understanding; PROVIDED, HOWEVER, that a Person 
shall not be deemed the Beneficial Owner of, or to beneficially own, any 
security if the agreement, arrangement or understanding to vote such security 
(1) arises solely from a revocable proxy or consent given to such Person in 
response to a 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

                1.7.3.  are beneficially owned, directly or indirectly, by 
any other Person (or any Affiliate or Associate thereof) with which such 
Person (or any of such Person's Affiliates or Associates) has any agreement, 
arrangement or understanding relating to the acquisition, holding, voting 
(except to the extent contemplated by the proviso to subclause (B) of Section 
1.7.2), or disposing of any securities of the Corporation.

                Notwithstanding anything in this Section 1.7 to the contrary, 
the phrase "then outstanding," when used with reference to a Person's 
Beneficial Ownership of securities of the Corporation, shall mean the number 
of such securities then issued and outstanding together with the number of 
such securities not then actually issued and outstanding which such Person 
would be deemed to own beneficially hereunder.

                Notwithstanding anything in this Section 1.7 to the contrary, 
no Person shall be deemed to beneficially own any securities solely by reason 
of such Person being a party to a customary agreement pursuant to which such 
Person acts or agrees to act as an underwriter with respect to a bona fide 
public offering of securities.

                No decision reached, or action taken, by the Board of 
Directors of the Corporation or any committee thereof shall cause any Person 
(or any Affiliate or Associate of such Person) who is a member of the Board 
of Directors of the Corporation or such committee to be deemed, for the 
purposes of this Agreement, to be a Beneficial Owner of any securities 
beneficially owned by any other Person (or any Affiliate or Associate of such 
Person) who is a member of the Board of Directors of the Corporation or any 
committee thereof solely by reason of such membership of the Board of 
Directors or any committee thereof or participation in the decisions or 
actions thereof on the part of either or both of such Persons.

          1.8.  "BUSINESS DAY" means any day other than a Saturday, a Sunday, 
a day on which banking institutions in the State of New York are obligated by 
law or executive order to close, or a United States federal holiday.

                                       3
<PAGE>

          1.9.  "CAPITAL STOCK EQUIVALENTS" has the meaning set forth in 
Section 11.1.3 hereof.

          1.10. "CLOSE OF BUSINESS" on any given date means 5:00 P.M., 
California time, on such date; PROVIDED, HOWEVER, that if such date is not a 
Business Day it means 5:00 P.M., California time, on the next succeeding 
Business Day.

          1.11. "COMMON STOCK" when used with reference to the Corporation 
means the Common Stock of the Corporation or, in the event of a subdivision, 
combination or consolidation with respect to such shares of Common Stock, the 
shares of Common Stock resulting from such subdivision, combination or 
consolidation.  "Common Stock" when used with reference to any Person other 
than the Corporation means the capital stock (or equity interest) with the 
greatest voting power of such other Person or, if such other Person is a 
Subsidiary of another Person, the Person or Persons which ultimately control 
such first-mentioned Person.

          1.12. "CORPORATION" means Data I/O Corporation, a Washington 
corporation, and also means a Principal Party to the extent provided in 
Section 13.1 hereof.

          1.13. "DISTRIBUTION DATE" has the meaning set forth in Section 3.1 
hereof.

          1.14. "EQUIVALENT PREFERRED STOCK" has the meaning set forth in 
Section 11.2 hereof.

          1.15. "EXCHANGE ACT" means the Securities Exchange Act of 1934, as 
amended.

          1.16. "EXCHANGE RATIO" has the meaning set forth in Section 26.1 
hereof.

          1.17. "FINAL EXPIRATION DATE" has the meaning set forth in Section 
7.1 hereof.

          1.18. "INTERESTED STOCKHOLDER" means any Acquiring Person or any 
Affiliate or Associate of an Acquiring Person or any other Person in which 
any such Acquiring Person, Affiliate or Associate has an interest, or any 
other Person acting directly or indirectly on behalf of or in concert with 
any such Acquiring Person, Affiliate or Associate.

          1.19. "NASDAQ" has the meaning set forth in Section 11.4.1 hereof.


                                       4
<PAGE>

          1.20. "PERMITTED OFFER" means a tender or exchange offer which is 
for all outstanding shares of Common Stock of the Corporation at a price and 
on terms determined, prior to the purchase of shares under such tender or 
exchange offer, by at least a majority of the members of the Board of 
Directors who are not officers of the Corporation and who are not Acquiring 
Persons or Affiliates, Associates, nominees or representatives of an 
Acquiring Person, to be adequate (taking into account all factors that such 
directors deem pertinent including, without limitation, prices that could 
reasonably be achieved if the Corporation or its assets were sold on an 
orderly basis designed to realize maximum value) and otherwise in the best 
interests of the Corporation, its stockholders (other than the Person or any 
Affiliate or Associate thereof on whose basis the offer is being made) and 
other relevant constituencies, taking into account all factors that such 
directors may deem pertinent.

          1.21. "PERSON" means any individual, firm, partnership, 
corporation, limited liability company, limited liability partnership, trust, 
association, joint venture or other entity, and includes any successor (by 
merger or otherwise) of such entity.

          1.22. "PREFERRED STOCK" means shares of the Corporation's Series A 
Junior Participating Preferred Stock.

          1.23. "PRINCIPAL PARTY" has the meaning set forth in Section 13.2 
hereof.

          1.24. "PRORATION FACTOR" has the meaning set forth in Section 
11.1.3 hereof.

          1.25. "PURCHASE PRICE" has the meaning set forth in Section 4.1 
hereof.

          1.26. "RECORD DATE" has the meaning set forth in Recital A hereof.

          1.27. "REDEMPTION DATE" has the meaning set forth in Section 7.1 
hereof.

          1.28. "REDEMPTION PRICE" has the meaning set forth in Section 
23.1.1 hereof.

          1.29. "RIGHT CERTIFICATE" has the meaning set forth in Section 3.1 
hereof. 

          1.30. "RIGHTS" has the meaning set forth in Recital A hereof.


                                       5
<PAGE>

          1.31. "RIGHTS AGENT" means ChaseMellon Shareholder Services, 
L.L.C., a New Jersey limited liability company, as Rights Agent hereunder, 
and, from the time of its succession, any successor Rights Agent under 
Section 19 or Section 21 hereof.

          1.32. "SECTION 11.1.2 EVENT" has the meaning set forth in Section 
11.1.2 hereof.

          1.33. "SECTION 13 EVENT" means any event described in clause (x), 
(y) or (z) of Section 13.1 hereof.

          1.34. "SHARES ACQUISITION DATE" means the first date of public 
announcement (which, for purposes of this definition, shall include, without 
limitation, a report filed pursuant to the Exchange Act) by the Corporation 
or an Acquiring Person that an Acquiring Person has become such or that facts 
exist as a result of which there exists an Acquiring Person; PROVIDED, that, 
if such Person is determined by the Board of Directors of the Corporation not 
to have become an Acquiring Person pursuant to subclause (B)(ii) of Section 
1.1 hereof, then no Shares Acquisition Date shall be deemed to have occurred.

          1.35. "SUBSIDIARY" of any Person means any corporation or other 
Person of which a majority of the voting power of the voting equity 
securities or equity interest is owned, directly or indirectly, by such 
Person.

          1.36. "SUMMARY OF RIGHTS" has the meaning set forth in Section 3.2 
hereof.

          1.37. "TRADING DAY" has the meaning set forth in Section 11.4.1 
hereof.

          1.38. "TRIGGERING EVENT" means any Section 11.1.2 Event or any 
Section 13 Event.

          1.39. The term "VOTING SECURITIES" has the meaning set forth in 
Section 13.1 hereof.

     2.   APPOINTMENT OF RIGHTS AGENT.  

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


                                       6
<PAGE>

     3.   ISSUANCE OF RIGHT CERTIFICATES.  

          3.1.  Until the earlier of (i) the Shares Acquisition Date or (ii) 
the Close of Business on the tenth (10th) day (or such later date as may be 
determined by action of the Corporation's Board of Directors) after the date 
of the commencement by any Person (other than the Corporation, any Subsidiary 
of the Corporation, any employee benefit plan of the Corporation or of any 
Subsidiary of the Corporation or any Person or entity organized, appointed or 
established by the Corporation or any Subsidiary of the Corporation for or 
pursuant to the terms of any such plan) of, or after the date of the first 
public announcement of the intention of any Person (other than the 
Corporation, any Subsidiary of the Corporation, any employee benefit plan of 
the Corporation or of any Subsidiary of the Corporation or any Person or 
entity organized, appointed or established by the Corporation or any 
Subsidiary of the Corporation for or pursuant to the terms of any such plan) 
to commence (which intention to commence remains in effect for five (5) 
Business Days after such announcement), a tender or exchange offer the 
consummation of which would result in any Person becoming an Acquiring Person 
(including, in the case of both (i) and (ii), any such date which is after 
the date of this Agreement and prior to the issuance of the Rights) (the 
"DISTRIBUTION DATE"), (x) the Rights will be evidenced (subject to the 
provisions of Section 3.2 hereof) by the certificates for shares of Common 
Stock registered in the names of the holders thereof (which certificates 
shall also be deemed to be Right Certificates) and not by separate Right 
Certificates, and (y) the right to receive Right Certificates will be 
transferable only in connection with the transfer of the underlying shares of 
Common Stock (including a transfer to the Corporation); PROVIDED, HOWEVER, 
that if a tender or exchange offer is terminated prior to the occurrence of a 
Distribution Date, then no Distribution Date shall occur as a result of such 
tender or exchange offer.  As soon as practicable after the Distribution 
Date, the Corporation will prepare and execute, the Rights Agent will 
countersign, and the Corporation will send or cause to be sent by 
first-class, postage-prepaid mail, to each record holder of shares of Common 
Stock as of the Close of Business on the Distribution Date, at the address of 
such holder shown on the records of the Corporation, a Right Certificate, 
substantially in the form of Exhibit A hereto (a "RIGHT CERTIFICATE"), 
evidencing one Right for each share of Common Stock so held.  As of and after 
the Distribution Date, the Rights will be evidenced solely by such Right 
Certificates.

          3.2.  As promptly as practicable following the Record Date, the 
Corporation will send a copy of a Summary of Rights to Purchase Preferred 
Stock, in substantially the form of Exhibit B hereto (the "SUMMARY OF 
RIGHTS"), by first-class, postage-prepaid mail, to each record holder of 
shares of Common Stock as of the Close of Business on the Record Date, at the 
address of such holder shown on the records of the Corporation.  With respect 
to certificates for shares of Common Stock outstanding as of the Record Date, 
until the Distribution Date the Rights will be evidenced by such certificates 
registered in the names of the holders thereof together with a copy of the 
Summary of Rights attached thereto.  Until the Distribution Date (or the 
earlier of the Redemption Date or the Final Expiration Date), the surrender 
for transfer of any certificate for shares of Common Stock outstanding on the 
Record Date, with or without a copy 


                                       7
<PAGE>

of the Summary of Rights attached thereto, shall also constitute the transfer 
of the Rights associated with such shares of Common Stock.

          3.3.  Certificates for shares of Common Stock that become 
outstanding (including, without limitation, reacquired shares of Common Stock 
referred to in the last sentence of this Section 3.3) after the Record Date 
but prior to the earliest of the Distribution Date, the Redemption Date or 
the Final Expiration Date, shall be deemed also to be certificates for 
Rights, and shall bear the following legend:

          This certificate also evidences and entitles the holder
          hereof to certain rights as set forth in a Rights Agreement
          between Data I/O Corporation and ChaseMellon Shareholder
          Services, L.L.C., a New Jersey limited liability company, as
          Rights Agent, dated as of April 4, 1998 (the "Rights
          Agreement"), the terms of which are hereby incorporated
          herein by reference and a copy of which is on file at the
          principal executive offices of Data I/O Corporation.  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.  Data I/O
          Corporation will mail to the holder of this certificate a
          copy of the Rights Agreement without charge after receipt of
          a written request therefor.  Under certain circumstances set
          forth in the Rights Agreement, Rights issued to, or held by,
          any Person who is, was or becomes an Acquiring Person or an
          Affiliate or Associate thereof (as defined in the Rights
          Agreement) and certain related persons, whether currently
          held by or on behalf of such Person or by any subsequent
          holder, may become null and void.


With respect to such certificates containing the foregoing legend, until the 
Distribution Date the Rights associated with the shares of Common Stock 
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 shares of Common 
Stock represented thereby.  In the event that the Corporation purchases or 
acquires any shares of Common Stock after the Record Date but prior to the 
Distribution Date (or the earlier of the Redemption Date or the Final 
Expiration Date), any Rights associated with such shares of Common Stock 
shall be deemed cancelled and retired so that the Corporation shall not be 
entitled to exercise any Rights associated with the Common Stock that are no 
longer outstanding.

     4.   FORM OF RIGHT CERTIFICATE.  

          4.1.  The Right Certificates (and the forms of election to purchase 
and of assignment to be printed on the reverse thereof) shall be 
substantially in the form set forth in Exhibit A hereto and may have such 
marks of identification or designation and such legends, summaries or 
endorsements printed thereon as the Corporation may deem appropriate (which 


                                       8
<PAGE>

may not affect the duties and responsibilities of the Rights Agent) and as 
are not inconsistent with the provisions of this Agreement, or as may be 
required to comply with any applicable law or with any rule or regulation 
made pursuant thereto or with any rule or regulation of any stock exchange on 
which the Rights may from time to time be listed, or to conform to usage.  
Subject to the provisions of Section 11 and Section 22 hereof, the Right 
Certificates shall entitle the holders thereof to purchase such number of one 
one-hundredths (1/100ths) of a share of Preferred Stock as shall be set forth 
therein at the price per one one-hundredth (1/100th) of a share of Preferred 
Stock set forth therein (the "PURCHASE PRICE"), but the amount and type of 
securities purchasable upon the exercise of each Right and the Purchase Price 
thereof shall be subject to adjustment as provided herein.

          4.2.  Any Right Certificate issued pursuant to Section 3.1 or 
Section 22 hereof that represents Rights that are null and void pursuant to 
Section 7.6 of this Agreement and any Right Certificate issued pursuant to 
Section 6 or Section 11 hereof upon transfer, exchange, replacement or 
adjustment of any other Right Certificate referred to in this sentence, shall 
contain (to the extent feasible and upon notice by the Corporation to the 
Rights Agent that this Section 4.2 has become applicable) the following 
legend:

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


The provisions of Section 7.6 of this Agreement shall be operative whether or 
not the foregoing legend is contained on any such Right Certificate.

     5.   COUNTERSIGNATURE AND REGISTRATION.

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


                                       9
<PAGE>

sign such Right Certificate, although at the date of the execution of this 
Rights Agreement any such Person was not such an officer. 

          5.2.  Following the Distribution Date, and receipt by the Rights 
Agent of a list of record holders of Rights, the Rights Agent will keep or 
cause to be kept, at its office designated pursuant to Section 25 hereof as 
the appropriate place for surrender or transfer of the Right Certificates, 
books for registration and transfer of the Right Certificates issued 
hereunder.  Such books shall show the names and addresses of the respective 
holders of the Right Certificates, the number of Rights evidenced on the face 
of each of the Right Certificates and the certificate number and the date of 
each of the Right Certificates.

     6.   TRANSFER, SPLIT-UP, COMBINATION AND EXCHANGE OF RIGHT CERTIFICATES;
          MUTILATED, DESTROYED, LOST OR STOLEN RIGHT CERTIFICATES.  

          6.1.  Subject to the provisions of Section 4.2, Section 7.6 and 
Section 14 hereof, at any time after the Close of Business on the 
Distribution Date, and at or prior to the Close of Business on the earlier of 
the Redemption Date or the Final Expiration Date, any Right Certificate or 
Right Certificates may be transferred, split up, combined or exchanged for 
another Right Certificate or Right Certificates, entitling the registered 
holder to purchase a like number of one one-hundredths (1/100ths) of a share 
of Preferred Stock (or, following a Triggering Event, other securities, as 
the case may be) as the Right Certificate or Right Certificates surrendered 
then entitled such holder (or former holder in the case of a transfer) to 
purchase.  Any registered holder desiring to transfer, split up, combine or 
exchange any Right Certificate or Right Certificates shall make such request 
in writing delivered to the Rights Agent, and shall surrender the Right 
Certificate or Right Certificates to be transferred, split up, combined or 
exchanged at the office of the Rights Agent designated for such purpose.  
Neither the Rights Agent nor the Corporation shall be obligated to take any 
action whatsoever with respect to the transfer of any such surrendered Right 
Certificate until the registered holder shall have completed and signed the 
certificate contained in the form of assignment on the reverse side of such 
Right Certificate and shall have provided such additional evidence of the 
identity of the Beneficial Owner (or former Beneficial Owner) or Affiliates 
or Associates thereof as the Corporation or the Rights Agent shall reasonably 
request.  Thereupon the Rights Agent shall, subject to Section 4.2, Section 
7.6 and Section 14 hereof, countersign and deliver to the Person entitled 
thereto a Right Certificate or Right Certificates, as the case may be, as so 
requested.  The Corporation may require payment of a sum sufficient to cover 
any tax or governmental charge that may be imposed in connection with any 
transfer, split up, combination or exchange of Right Certificates.  The 
Rights Agent may in its sole discretion require the Corporation or the Person 
entitled to such Right Certificate to provide evidence that such payment has 
been made prior to countersigning and delivering any Right Certificate 
pursuant to this Section 6.1.


                                       10
<PAGE>

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

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

          7.1.  Subject to Section 7.6 hereof, the registered holder of any 
Right Certificate may exercise the Rights evidenced thereby (except as 
otherwise provided herein) in whole or in part at any time after the 
Distribution Date upon surrender of the Right Certificate, with the form of 
election to purchase and the certificate on the reverse side thereof duly 
executed, to the Rights Agent at the office of the Rights Agent designated 
for such purpose, together with payment of the aggregate Purchase Price for 
the total number of one one-hundredths (1/100ths) of a share of Preferred 
Stock (or other securities, as the case may be) as to which such surrendered 
Rights are exercised, at or prior to the earlier of (i) the Close of Business 
on April 4, 2008 (the "FINAL EXPIRATION DATE"), or (ii) the time at which the 
Rights are redeemed as provided in Section 23 hereof (the "REDEMPTION DATE").

          7.2.  The Purchase Price for each one one-hundredth (1/100th) of a 
share of Preferred Stock pursuant to the exercise of a Right shall initially 
be $30, shall be subject to adjustment from time to time as provided in the 
next sentence and in Sections 11 and 13.1 hereof and shall be payable in 
accordance with paragraph 7.3 below.  Anything in this Agreement to the 
contrary notwithstanding, in the event that at any time after the date of 
this Agreement and prior to the Distribution Date, the Corporation shall (i) 
declare or pay any dividend on the Common Stock payable in Common Stock or 
(ii) effect a subdivision, combination or consolidation of the Common Stock 
(by reclassification or otherwise than by payment of dividends in shares of 
Common Stock) into a greater or lesser number of shares of Common Stock, 
then, in any such case, each share of Common Stock outstanding following such 
subdivision, combination or consolidation shall continue to have a Right 
associated therewith and the Purchase Price following any such event shall be 
proportionately adjusted to equal the result obtained by multiplying the 
Purchase Price immediately prior to such event by a fraction the numerator of 
which shall be the total number of shares of Common Stock outstanding 
immediately prior to the occurrence of the event and the denominator of which 
shall be the total number of shares of Common Stock outstanding immediately 
following the occurrence of such event.  The adjustment provided for in the 
preceding sentence shall be made successively whenever such a dividend is 
declared or paid or such a subdivision, combination or consolidation is 
effected.


                                       11
<PAGE>

          7.3.  Upon receipt of a Right Certificate representing exercisable 
Rights, with the form of election to purchase and the certificate on the 
reverse side thereof duly executed, accompanied by payment of the Purchase 
Price for the Preferred Stock (or other securities, as the case may be) to be 
purchased and an amount equal to any applicable tax or governmental charge 
required to be paid by the holder of such Right Certificate in accordance 
with Section 6 hereof by certified check, cashier's check or money order 
payable to the order of the Corporation, the Rights Agent shall thereupon 
promptly (i) (A) requisition from any transfer agent of the Preferred Stock 
certificates for the number of shares of Preferred Stock to be purchased, and 
the Corporation hereby irrevocably authorizes its transfer agent to comply 
with all such requests, or (B) if the Corporation, in its sole discretion, 
shall have elected to deposit the Preferred Stock issuable upon exercise of 
the Rights hereunder into a depositary, requisition from the depositary agent 
depositary receipts representing such number of one one-hundredths (1/100ths) 
of a share of Preferred Stock as are to be purchased (in which case 
certificates for the Preferred Stock represented by such receipts shall be 
deposited by the transfer agent with the depositary agent) and the 
Corporation will direct the depositary agent to comply with such requests, 
(ii) when appropriate, requisition from the Corporation the amount of cash to 
be paid in lieu of issuance of fractional shares in accordance with Section 
14 hereof, (iii) after receipt of such certificates or depositary receipts, 
cause the same to be delivered to or upon the order of the registered holder 
of such Right Certificate, registered in such name or names as may be 
designated by such holder, and (iv) when appropriate, after receipt thereof, 
deliver such cash to or upon the order of the registered holder of such Right 
Certificate.  In the event that the Corporation is obligated to issue other 
securities (including shares of Common Stock) of the Corporation pursuant to 
Section 11.1 hereof, the Corporation will make all arrangements necessary so 
that such other securities are available for distribution by the Rights 
Agent, if and when necessary to comply with this Agreement.

          7.4.  In addition, in the case of an exercise of the Rights by a 
holder pursuant to Section 11.1.2, the Rights Agent shall return such Right 
Certificate to the registered holder thereof after imprinting, stamping or 
otherwise indicating thereon that the Rights represented by such Right 
Certificate no longer include the rights provided by Section 11.1.2 of the 
Rights Agreement and if less than all the Rights represented by such Right 
Certificate were so exercised, the Rights Agent shall indicate on the Right 
Certificate the number of Rights represented thereby that continue to include 
the rights provided by Section 11.1.2.

          7.5.  In case the registered holder of any Right Certificate shall 
exercise less than all the Rights evidenced thereby, a new Right Certificate 
evidencing Rights equivalent to the Rights remaining unexercised shall be 
issued by the Rights Agent to the registered holder of such Right Certificate 
or to his duly authorized assigns, subject to the provisions of Section 6 and 
Section 14 hereof, or the Rights Agent shall place an appropriate notation on 
the Right Certificate with respect to those Rights exercised.

          7.6.  Notwithstanding anything in this Agreement to the contrary, 
from and after the first occurrence of a Section 11.1.2 Event, any Rights 
beneficially owned by (i) an Acquiring 


                                       12
<PAGE>

Person or an Affiliate or Associate of an Acquiring Person, (ii) a transferee 
of an Acquiring Person (or of any Affiliate or Associate thereof) who becomes 
a transferee after the Acquiring Person becomes such, or (iii) a transferee 
of an Acquiring Person (or of any Affiliate or Associate thereof) who becomes 
a transferee prior to or concurrently with the Acquiring Person becoming such 
and receives such Rights pursuant to either (A) a transfer (whether or not 
for consideration) from the Acquiring Person (or from any Affiliate or 
Associate thereof) to holders of equity interests in such Acquiring Person or 
to any Person with whom the Acquiring Person has a continuing agreement, 
arrangement or understanding regarding the transferred Rights or (B) a 
transfer that the Board of Directors of the Corporation has determined is 
part of a plan, arrangement or understanding that has as a primary purpose or 
effect the avoidance of this Section 7.6, shall become null and void without 
any further action and no holder of such Rights shall have any rights 
whatsoever with respect to such Rights, whether under any provision of this 
Agreement or otherwise.  The Corporation shall notify the Rights Agent when 
this Section 7.6 applies and shall use all reasonable efforts to insure that 
the provisions of this Section 7.6 and Section 4.2 hereof are complied with, 
but neither the Corporation nor the Rights Agent shall have any liability to 
any holder of Right Certificates or other Person as a result of the 
Corporation's failure to make any determinations with respect to an Acquiring 
Person or its Affiliates, Associates or transferees hereunder.

          7.7.  Notwithstanding anything in this Agreement to the contrary, 
neither the Rights Agent nor the Corporation shall be obligated to undertake 
any action with respect to a registered holder upon the occurrence of any 
purported exercise as set forth in this Section 7 unless such registered 
holder shall have (i) properly completed and signed the certificate contained 
in the form of election to purchase set forth on the reverse side of the 
Right Certificate surrendered for such exercise, and (ii) provided such 
additional evidence of the identity of the Beneficial Owner (or former 
Beneficial Owner) or Affiliates or Associates thereof as the Corporation or 
the Rights Agent shall reasonably request.

     8.   CANCELLATION AND DESTRUCTION OF RIGHT CERTIFICATES.

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


                                       13
<PAGE>

     9.   RESERVATION AND AVAILABILITY OF PREFERRED STOCK.

          9.1.  The Corporation covenants and agrees that, at all times prior 
to the occurrence of a Section 11.1.2 Event, it will cause to be reserved and 
kept available out of its authorized and unissued Preferred Stock, or any 
authorized and issued Preferred Stock held in its treasury, the number of 
shares of Preferred Stock that will be sufficient to permit the exercise in 
full of all outstanding Rights and, after the occurrence of a Section 11.1.2 
Event, shall, to the extent reasonably practicable, so reserve and keep 
available a sufficient number of shares of Common Stock (and/or other 
securities) that may be required to permit the exercise in full of the Rights 
pursuant to this Agreement.

          9.2.  So long as the shares of Preferred Stock (and, after the 
occurrence of a Section 11.1.2 Event, shares of Common Stock or any other 
securities) issuable upon the exercise of the Rights may be listed on any 
stock exchange, the Corporation shall use its best efforts to cause, from and 
after such time as the Rights become exercisable, all shares or other 
securities reserved for such issuance to be listed on such exchange upon 
official notice of issuance upon such exercise.

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

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


                                       14
<PAGE>

          9.5.  The Corporation shall use its best efforts to (i) file, as 
soon as practicable following the Shares Acquisition Date, a registration 
statement under the Act, with respect to the securities purchasable upon 
exercise of the Rights on an appropriate form, (ii) cause such registration 
statement to become effective as soon as practicable after such filing, and 
(iii) cause such registration statement to remain effective (with a 
prospectus at all times meeting the requirements of the Act and the rules and 
regulations thereunder) until the date of the expiration of the period for 
exercise of the Rights provided by Section 11.1.2.  The Corporation will also 
take such action as may be appropriate under the blue sky laws of the various 
states.

     10.  PREFERRED STOCK RECORD DATE.

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

     11.  ADJUSTMENT OF PURCHASE PRICE, NUMBER AND KIND OF SHARES OR NUMBER OF
          RIGHTS.

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

          11.1.  ADJUSTMENT EVENTS.

                 11.1.1.  In the event the Corporation shall at any time 
after the date of this Agreement (A) declare a dividend on the Preferred 
Stock payable in Preferred Stock, (B) subdivide the outstanding Preferred 
Stock, (C) combine the outstanding Preferred Stock into a smaller number of 
Preferred Stock or (D) issue any shares of its capital stock in a 
reclassification of the Preferred Stock (including any such reclassification 
in connection with a consolidation or merger in which the Corporation is the 
continuing or surviving corporation), except as otherwise provided in this 
Section 11.1 and Section 7.6 hereof, the Purchase Price in effect at the time 
of the record date for such dividend or of the effective date of such 
subdivision, combination or reclassification, and the number and kind of 
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 


                                       15
<PAGE>

to receive the aggregate number and kind of shares of capital stock that, if 
such Right had been exercised immediately prior to such date and at a time 
when the Preferred Stock transfer books of the Corporation were open, such 
holder would have owned upon such exercise and been entitled to receive by 
virtue of such dividend, subdivision, combination or reclassification; 
PROVIDED, HOWEVER, that in no event shall the consideration to be paid upon 
the exercise of one Right be less than the aggregate par value, if any, of 
the shares of capital stock of the Corporation issuable upon exercise of one 
Right.  If an event occurs that would require an adjustment under both 
Section 11.1.1 and Section 11.1.2, the adjustment provided for in this 
Section 11.1.1 shall be in addition to, and shall be made prior to, any 
adjustment required pursuant to Section 11.1.2.

                 11.1.2.  In the event (a "SECTION 11.1.2 EVENT") that any 
Person, alone or together with its Affiliates and Associates, shall become an 
Acquiring Person, then proper provision shall be made so that each holder of 
a Right (except as provided below and in Section 7.6 hereof) shall, for a 
period of sixty (60) days (or such longer period as the Corporation's Board 
of Directors may determine at any time prior to or during such period of 
sixty (60) days) after the later of the occurrence of any such event or the 
effective date of an appropriate registration statement under the Act 
pursuant to Section 9.5 hereof, have a right to receive, upon exercise 
thereof at a price equal to the then current Purchase Price, in accordance 
with the terms of this Agreement, such number of shares of Common Stock (or, 
in the discretion of the Corporation's Board of Directors, one one-hundredths 
(1/100ths) of a share of Preferred Stock) as shall equal the result obtained 
by (x) multiplying the then current Purchase Price by the then number of one 
one-hundredth (1/100th) of a share of Preferred Stock for which a Right was 
exercisable immediately prior to the first occurrence of a Section 11.1.2 
Event, and (y) dividing that product by 50% of the then current per share 
market price of the Common Stock (determined pursuant to Section 11.4 hereof) 
on the date of such first occurrence (such number of shares being referred to 
as the "ADJUSTMENT SHARES"); PROVIDED, HOWEVER, that if the transaction that 
would otherwise give rise to the foregoing adjustment is also subject to the 
provisions of Section 13 hereof, then only the provisions of Section 13 
hereof shall apply and no adjustment shall be made pursuant to this Section 
11.1.2.

                 11.1.3.  In the event that there shall not be sufficient 
treasury or authorized but unissued (and unreserved) Common Stock to permit 
the exercise in full of the Rights in accordance with Section 11.1.2 and the 
Rights become so exercisable (and the Board of Directors of the Corporation 
has not determined to make the Rights exercisable solely into fractions of a 
share of Preferred Stock), notwithstanding any other provision of this 
Agreement, to the extent necessary and permitted by applicable law, each 
Right shall thereafter represent the right to receive, upon exercise thereof 
at the then current Purchase Price in accordance with the terms of this 
Agreement, (x) a number of (or fractions of) shares of Common Stock (up to 
the maximum number of shares of Common Stock that may permissibly be issued) 
and (y) one one-hundredth (1/100th) of a share of Preferred Stock or a number 
of, or fractions of, other equity securities of the Corporation (or, in the 
discretion of the Board of Directors of the Corporation, debt) that the Board 
of Directors of the Corporation has determined to have the same aggregate 
current market value (determined pursuant to Section 11.1.1 and Section 
11.1.2 hereof, to the extent applicable) 


                                       16
<PAGE>

as one share of Common Stock (such number of, or fractions of, shares of 
Preferred Stock, debt or other equity securities or debt of the Corporation 
being referred to as a "CAPITAL STOCK EQUIVALENT"), equal in the aggregate to 
the number of Adjustment Shares; PROVIDED, HOWEVER, if sufficient shares of 
Common Stock and/or Capital Stock Equivalents are unavailable, then the 
Corporation shall, to the extent permitted by applicable law, take all such 
action as may be necessary to authorize additional shares of Common Stock or 
Capital Stock Equivalents for issuance upon exercise of the Rights, including 
the calling of a meeting of stockholders; and PROVIDED, FURTHER, that if the 
Corporation is unable to cause sufficient shares of Common Stock and/or 
Capital Stock Equivalents to be available for issuance upon exercise in full 
of the Rights, then each Right shall thereafter represent the right to 
receive the Adjusted Number of Shares upon exercise at the Adjusted Purchase 
Price (as such terms are hereinafter defined).  As used herein, the term 
"ADJUSTED NUMBER OF SHARES" shall be equal to that number of (or fractions 
of) shares of Common Stock (and/or Capital Stock Equivalents) equal to the 
product of (x) the number of Adjustment Shares and (y) a fraction, the 
numerator of which is the number of shares of Common Stock (and/or Capital 
Stock Equivalents) available for issuance upon exercise of the Rights and the 
denominator of which is the aggregate number of Adjustment Shares otherwise 
issuable upon exercise in full of all Rights (assuming there were a 
sufficient number of shares of Common Stock available) (such fraction being 
referred to as the "PRORATION FACTOR").  The "ADJUSTED PURCHASE PRICE" shall 
mean the product of the Purchase Price and the Proration Factor.  The Board 
of Directors of the Corporation may, but shall not be required to, establish 
procedures to allocate the right to receive shares of Common Stock and 
Capital Stock Equivalents upon exercise of the Rights among holders of Rights.

          11.2.  In case the Corporation shall fix a record date for the 
issuance of rights (other than the Rights), options or warrants to all 
holders of Preferred Stock entitling them (for a period expiring within 45 
calendar days after such record date) to subscribe for or purchase shares of 
Preferred Stock (or shares having the same rights, privileges and preferences 
as the Preferred Stock ("EQUIVALENT PREFERRED STOCK")) or securities 
convertible into Preferred Stock or Equivalent Preferred Stock at a price per 
share of Preferred Stock or Equivalent Preferred Stock (or having a 
conversion price per share, if a security convertible into shares of 
Preferred Stock or Equivalent Preferred Stock) less than the then current per 
share market price of the Preferred Stock (as determined pursuant to Section 
11.4 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 shares of Preferred Stock outstanding on such 
record date plus the number of shares of Preferred Stock that the aggregate 
offering price of the total number of shares of Preferred Stock and/or 
Equivalent Preferred Stock so to be offered (and/or the aggregate initial 
conversion price of the convertible securities so to be offered) would 
purchase at such current per share market price, and the denominator of which 
shall be the number of shares of Preferred Stock outstanding on such record 
date plus the number of additional shares of Preferred Stock and/or 
Equivalent Preferred Stock 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, 
if any, of the shares of capital stock of the Corporation issuable upon 
exercise of one Right.  In case 


                                       17
<PAGE>

such subscription price may be paid in a consideration part or all of which 
shall be in a form other than cash, the value of such consideration shall be 
determined in good faith by the Board of Directors of the Corporation, whose 
determination shall be described in a statement filed with the Rights Agent 
and shall be binding on the Rights Agent and the holders of the Rights.  
Preferred Stock owned by or held for the account of the Corporation shall not 
be deemed outstanding for the purpose of any such computation.  Such 
adjustment shall be made successively whenever such a record date is fixed; 
and in the event that such rights, options or warrants are not so issued, the 
Purchase Price shall be adjusted to be the Purchase Price that would then be 
in effect if such record date had not been fixed.  

          11.3.  In case the Corporation shall fix a record date for the 
making of a distribution to all holders of the Preferred Stock (including any 
such distribution made in connection with a consolidation or merger in which 
the Corporation is the continuing or surviving corporation) of evidences of 
indebtedness or assets (other than a regular quarterly cash dividend or a 
dividend payable in Preferred Stock) or subscription rights or warrants 
(excluding those referred to in Section 11.2 hereof), the Purchase Price to 
be in effect after such record date shall be determined by multiplying the 
Purchase Price in effect immediately prior to such record date by a fraction, 
the numerator of which shall be the then current per share market price (as 
determined pursuant to Section 11.4 hereof) of the Preferred Stock on such 
record date, less the fair market value (as determined in good faith by the 
Board of Directors of the Corporation, whose determination shall be described 
in a statement filed with the Rights Agent and shall be binding on the Rights 
Agent and the holders of the Rights) of the portion of the assets or 
evidences of indebtedness so to be distributed or of such subscription rights 
or warrants applicable to one share of Preferred Stock, and the denominator 
of which shall be such current per share market price of the Preferred Stock; 
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, if any, of 
the shares of capital stock of the Corporation to be issued upon exercise of 
one Right.  Such adjustments shall be made successively whenever such a 
record date is fixed; and in the event that such distribution is not so made, 
the Purchase Price shall again be adjusted to be the Purchase Price that 
would then be in effect if such record date had not been fixed.

          11.4.  COMPUTATION OF "CURRENT PER SHARE MARKET PRICE."

                 11.4.1.  For the purpose of any computation hereunder, the 
"current per share market price" of any security (a "Security" for the 
purpose of this Section 11.4.1) on any date shall be deemed to be the average 
of the daily closing prices per share of such Security for the thirty (30) 
consecutive Trading Days immediately prior to and not including such date; 
PROVIDED, HOWEVER, that in the event that the current per share market price 
of the Security is determined during a period following the announcement by 
the issuer of such Security of (A) a dividend or distribution on such 
Security payable in shares of such Security or securities convertible into 
such shares, or (B) any subdivision, combination or reclassification of such 
Security and prior to the expiration of thirty (30) Trading Days after the 
ex-dividend date for such dividend or distribution, or the record date for 
such subdivision, combination or reclassification, 


                                       18
<PAGE>

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 of the Corporation.  If on any such date 
no such market maker is making a market in the Security, the fair value of 
the Security on such date as determined in good faith by the Board of 
Directors of the Corporation shall be used.  The term "TRADING DAY" shall 
mean a day on which the principal national securities exchange on which the 
Security is listed or admitted to trading is open for the transaction of 
business or, if the Security is not listed or admitted to trading on any 
national securities exchange, a Business Day.

                 11.4.2.  For the purpose of any computation hereunder, the 
"current per share market price" of the Preferred Stock shall be determined 
in accordance with the method set forth in Section 11.4.1.  If the shares of 
Preferred Stock are not publicly traded, the "current per share market price" 
of the Preferred Stock shall be conclusively deemed to be the current per 
share market price of the Common Stock as determined pursuant to Section 
11.4.1 (appropriately adjusted to reflect any stock split, stock dividend or 
similar transaction occurring after the date hereof), multiplied by 100.  If 
neither the Common Stock nor the Preferred Stock are publicly held or so 
listed or traded, "current per share market price" shall mean, with respect 
to the Preferred Stock, the fair value per share as determined in good faith 
by the Board of Directors of the Corporation, whose determination shall be 
described in a statement filed with the Rights Agent and shall be binding on 
the Rights Agent and the holders of the Rights.

          11.5.  Anything herein to the contrary notwithstanding, no 
adjustment in the Purchase Price shall be required unless such adjustment 
would require an increase or decrease of at least 1% in the Purchase Price; 
PROVIDED, HOWEVER, that any adjustments that by reason of this Section 11.5 
are not required to be made shall be carried forward and taken into account 
in any subsequent adjustment.  All calculations under this Section 11 shall 
be made to the nearest cent or to the nearest one one-hundredth (1/100th) of 
a share of Preferred Stock or of any other share or security as the case may 
be. Notwithstanding the first sentence of this Section 11.5, any adjustment 
required by this Section 11 shall be made no later than the earlier of (i) 
three (3) years from the date of the transaction that mandates such 
adjustment or (ii) the Final Expiration Date.


                                       19
<PAGE>

          11.6.  If as a result of an adjustment made pursuant to Section 
11.1.2 or Section 13.1 hereof, the holder of any Right thereafter exercised 
shall become entitled to receive any shares of capital stock of the 
Corporation other than Preferred Stock, thereafter the number of other shares 
so receivable upon exercise of any Right shall be subject to adjustment from 
time to time in a manner and on terms as nearly equivalent as practicable to 
the provisions with respect to the Preferred Stock contained in Section 11.1 
through 11.3, inclusive, and the provisions of Sections 7, 9, 10, 13 and 14 
with respect to the Preferred Stock shall apply on like terms to any such 
other shares.

          11.7.  All Rights originally issued by the Corporation subsequent 
to any adjustment made to the Purchase Price hereunder shall evidence the 
right to purchase, at the adjusted Purchase Price, the number of one 
one-hundredths (1/100ths) of a share of Preferred Stock purchasable from time 
to time hereunder upon exercise of the Rights, all subject to further 
adjustment as provided herein.

          11.8.  The Corporation may elect on or after the date of any 
adjustment of the Purchase Price to adjust the number of Rights, in lieu of 
any adjustment in the number of one one-hundredths (1/100ths) of a share of 
Preferred Stock 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 (1/100ths) of a share of 
Preferred Stock 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 Corporation 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, and shall deliver a copy of such public 
announcement to the Rights Agent.  This record date may be the date on which 
the Purchase Price is adjusted or any day thereafter, but, if the Right 
Certificates have been issued, shall be at least ten (10) days later than the 
date of the public announcement.  If Right Certificates have been issued, 
upon each adjustment of the number of Rights pursuant to this Section 11.8, 
the Corporation shall, as promptly as practicable, cause to be distributed to 
holders of record of Right Certificates on such record date Right 
Certificates evidencing, subject to Section 14 hereof, the additional Rights 
to which such holders shall be entitled as a result of such adjustment, or, 
at the option of the Corporation, shall cause to be distributed to such 
holders of record in substitution and replacement for the Right Certificates 
held by such holders prior to the date of adjustment, and upon surrender 
thereof, if required by the Corporation, new Right Certificates evidencing 
all the Rights to which such holders shall be entitled after such adjustment. 
 Right Certificates so to be distributed shall be issued, executed and 
countersigned in the manner provided for herein and shall be registered in 
the names of the holders of record of Right Certificates on the record date 
specified in the public announcement.


                                       20
<PAGE>

          11.9.  Irrespective of any adjustment or change in the Purchase 
Price or the number of one one-hundredths (1/100ths) of a share of Preferred 
Stock 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 (1/100ths) of a share of Preferred Stock 
that were expressed in the initial Right Certificates issued hereunder.

          11.10.  Before taking any action that would cause an adjustment 
reducing the Purchase Price below the then par value, if any, of the number 
of one one-hundredths (1/100ths) of a share of Preferred Stock, share of 
Common Stock or other securities issuable upon exercise of the Rights, the 
Corporation shall take any corporate action that may, in the opinion of its 
counsel, be necessary in order that the Corporation may validly and legally 
issue such number of fully paid and non-assessable one one-hundredths 
(1/100ths) of a share of Preferred Stock, share of Common Stock or other 
securities at such adjusted Purchase Price.

          11.11.  In any case in which this Section 11 shall require that an 
adjustment in the Purchase Price be made effective as of a record date for a 
specified event, the Corporation may elect to defer until the occurrence of 
such event the issuance to the holder of any Right exercised after such 
record date of the Preferred Stock, shares of Common Stock or other 
securities of the Corporation, if any, issuable upon such exercise over and 
above the Preferred Stock, shares of Common Stock or other securities of the 
Corporation, if any, issuable upon such exercise on the basis of the Purchase 
Price in effect prior to such adjustment; PROVIDED, HOWEVER, that the 
Corporation shall deliver to such holder a due bill or other appropriate 
instrument evidencing such holder's right to receive such additional shares 
upon the occurrence of the event requiring such adjustment and shall deliver 
to the Rights Agent a notice describing the terms of such due bill or other 
appropriate instrument.

          11.12.  Anything in this Section 11 to the contrary 
notwithstanding, the Corporation 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 the Corporation in its sole 
discretion shall determine to be advisable in order that any (i) 
consolidation or subdivision of the Preferred Stock, (ii) issuance wholly for 
cash of Preferred Stock at less than the current market price, (iii) issuance 
wholly for cash of Preferred Stock or securities that by their terms are 
convertible into or exchangeable for Preferred Stock, (iv) stock dividends or 
(v) issuance of rights, options or warrants referred to in this Section 11, 
hereafter made by the Corporation to holders of its Preferred Stock shall not 
be taxable to such holders.

          11.13.  The Corporation covenants and agrees that it shall not, at 
any time after the Distribution Date, (i) consolidate with any other Person 
(other than a Subsidiary of the Corporation in a transaction that does not 
violate Section 11.14 hereof), (ii) merge with or into any other Person 
(other than a Subsidiary of the Corporation in a transaction that does not 
violate Section 11.14 hereof), or (iii) sell or transfer (or permit any 
Subsidiary to sell or transfer), in one transaction, or a series of related 
transactions, assets or earning power aggregating more than 


                                       21
<PAGE>

50% of the assets or earning power of the Corporation and its Subsidiaries 
(taken as a whole) to any other Person or Persons (other than the Corporation 
and/or any of its Subsidiaries in one or more transactions each of which does 
not violate Section 11.14 hereof), if (x) at the time of or immediately after 
such consolidation, merger, sale or transfer, there are any charter or bylaw 
provisions or any rights, warrants or other instruments or securities 
outstanding or agreements in effect or other actions taken that would 
materially diminish or otherwise eliminate the benefits intended to be 
afforded by the Rights or (y) prior to, simultaneously with or immediately 
after such consolidation, merger, sale or transfer, the stockholders of the 
Person who constitutes, or would constitute, the "Principal Party" for 
purposes of Section 13.1 hereof shall have received a distribution of Rights 
previously owned by such Person or any of its Affiliates and Associates.  The 
Corporation shall not consummate any such consolidation, merger, sale or 
transfer unless prior thereto the Corporation and such other Person shall 
have executed and delivered to the Rights Agent a supplemental agreement 
evidencing compliance with this Section 11.13.

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

          11.15.  The exercise of Rights under Section 11.1.2 shall only 
result in the loss of rights under Section 11.1.2 to the extent so exercised 
and shall not otherwise affect the rights represented by the Rights under 
this Agreement, including the rights represented by Section 13.

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

          12.1.  Whenever an adjustment is made as provided in Section 11 or 
Section 13 hereof, the Corporation shall promptly (a) prepare a certificate 
setting forth such adjustment and a brief, reasonably detailed statement of 
the facts, computations and methodology accounting for such adjustment, (b) 
file with the Rights Agent and with each transfer agent for the Common Stock 
and the Preferred Stock a copy of such certificate and (c) mail a brief 
summary thereof to each holder of a Right Certificate in accordance with 
Section 25.1 hereof.  The Rights Agent shall be fully protected in relying on 
any such certificate and on any adjustment therein contained and shall have 
no duty with respect to, and shall not be deemed to have knowledge of, such 
adjustment unless and until it shall have received such certificate.

     13.  CONSOLIDATION, MERGER OR SALE OR TRANSFER OF ASSETS OR EARNING POWER.

          13.1.  In the event that, on or following the Shares Acquisition 
Date, directly or indirectly, (x) the Corporation shall consolidate with, or 
merge with and into, any Interested Stockholder or, if in such merger or 
consolidation all holders of shares of Common Stock are not 


                                       22
<PAGE>

treated alike, any other Person, (y) the Corporation shall consolidate with, 
or merge with, any Interested Stockholder or, if in such merger or 
consolidation all holders of shares of Common Stock are not treated alike, 
any other Person, and the Corporation shall be the continuing or surviving 
corporation of such consolidation or merger (other than, in a case of any 
transaction described in (x) or (y), a merger or consolation that would 
result in all of the securities generally entitled to vote in the election of 
directors of the Corporation ("voting securities") outstanding immediately 
prior thereto continuing to represent (either by remaining outstanding or by 
being converted into securities of the surviving entity) all of the voting 
securities of the Corporation or such voting surviving entity outstanding 
immediately after such merger or consolidation and the holders of such 
securities not having changed as a result of such merger or consolidation), 
or (z) the Corporation shall sell or otherwise transfer (or one or more of 
its Subsidiaries shall sell or otherwise transfer), in one transaction or a 
series of related transactions, assets or earning power aggregating more than 
50% of the assets or earning power of the Corporation and its Subsidiaries 
(taken as a whole) to any Interested Stockholder or Stockholders or, if in 
such transaction all holders of Common Stock are not treated alike, any other 
Person (other than the Corporation or any Subsidiary of the Corporation in 
one or more transactions each of which does not violate Section 11.14 
hereof), then, and in each such case (except as provided in Section 13.4 
hereof), proper provision shall be made so that (i) each holder of a Right, 
except as provided in Section 7.6 hereof, shall thereafter have the right to 
receive, upon the exercise thereof at a price equal to the then current 
Purchase Price, in accordance with the terms of this Agreement and in lieu of 
Preferred Stock, such number of freely tradeable shares of Common Stock of 
the Principal Party, not subject to any liens, encumbrances, rights of first 
refusal or other adverse claims, as shall equal the result obtained by (A) 
multiplying the then current Purchase Price by the number of one 
one-hundredths (1/100ths) of a share of Preferred Stock for which a Right is 
then exercisable (without taking into account any adjustment previously made 
pursuant to Section 11.1.2) and dividing that product by (B) 50% of the then 
current per share market price of the Common Stock of such Principal Party 
(determined pursuant to Section 11.4 hereof) on the date of consummation of 
such Section 13 Event; (ii) such Principal Party shall thereafter be liable 
for, and shall assume, by virtue of such Section 13 Event, all the 
obligations and duties of the Corporation pursuant to this Agreement; (iii) 
the term "Corporation" shall thereafter be deemed to refer to such Principal 
Party, it being specifically intended that the provisions of Section 11 
hereof shall apply only to such Principal Party following the first 
occurrence of a Section 13 Event; and (iv) such Principal Party shall take 
such steps (including, but not limited to, the reservation of a sufficient 
number of its shares of Common Stock) in connection with the consummation of 
any such transaction as may be necessary to assure that the provisions hereof 
shall thereafter be applicable, as nearly as reasonably may be, in relation 
to the shares of Common Stock thereafter deliverable upon the exercise of the 
Rights.

          13.2.  "PRINCIPAL PARTY" shall mean:

                 13.2.1.  in the case of any transaction described in clause 
(x) or (y) of the first sentence of Section 13.1, the Person that is the 
issuer of any securities into which shares of Common Stock of the Corporation 
are converted in such merger or consolidation, and if no 


                                       23
<PAGE>

securities are so issued, the Person that is the other party to such merger 
or consolidation (including, if applicable, the Corporation if it is the 
surviving corporation); and

                 13.2.2.  in the case of any transaction described in clause 
(z) of the first sentence of Section 13.1, the Person that is the party 
receiving the greatest portion of the assets or earning power transferred 
pursuant to such transaction or transactions;

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

          13.3.  The Corporation shall not consummate any such consolidation, 
merger, sale or transfer unless the Principal Party shall have a sufficient 
number of its authorized shares of Common Stock that have not been issued or 
reserved for issuance to permit the exercise in full of the Rights in 
accordance with this Section 13 and unless prior thereto the Corporation and 
such Principal Party shall have executed and delivered to the Rights Agent a 
supplemental agreement providing for the terms set forth in Sections 13.1 and 
13.2 and further providing that, as soon as practicable after the date of any 
consolidation, merger, sale or transfer mentioned in Section 13.1, the 
Principal Party at its own expense shall:

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

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


                                       24
<PAGE>

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

                 The provisions of this Section 13 shall similarly apply to 
successive mergers or consolidations or sales or other transfers.  The rights 
under this Section 13 shall be in addition to the rights to exercise Rights 
and adjustments under Section 11.1.2 and shall survive any exercise thereof.

          13.4.  Notwithstanding anything in this Agreement to the contrary, 
the foregoing provisions of this Section 13 shall not be applicable to a 
transaction described in clauses (x) and (y) of Section 13.1 if:  (i) such 
transaction is consummated with a Person or Persons who acquired shares of 
Common Stock pursuant to a Permitted Offer (or a wholly owned Subsidiary of 
any such Person or Persons); (ii) the price per share of Common Stock offered 
in such transaction is not less than the price per share of Common Stock paid 
to all holders of shares of Common Stock whose shares were purchased pursuant 
to such Permitted Offer; and (iii) the form of consideration offered in such 
transaction is the same as the form of consideration paid pursuant to such 
Permitted Offer. Upon consummation of any such transaction contemplated by 
this Section 13.4, all Rights hereunder shall expire.

     14.  FRACTIONAL RIGHTS AND FRACTIONAL SHARES.

          14.1.  The Corporation 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 
14.1, 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 of the Corporation.  If on any such date no such market 
maker is making a market in the Rights, the fair value of the Rights on such 
date as determined in good faith by the Board of Directors of the Corporation 
shall be used.


                                       25
<PAGE>

          14.2.  The Corporation shall not be required to issue fractions of 
shares of Preferred Stock (other than fractions that are one one-hundredth 
(1/100th) or integral multiples of one one-hundredth (1/100th) of a share of 
Preferred Stock) upon exercise of the Rights or to distribute certificates 
that evidence fractional shares of Preferred Stock (other than fractions that 
are one one-hundredth (1/100th) or integral multiples of one one-hundredth 
(1/100th) of a share of Preferred Stock).  Fractions of shares of Preferred 
Stock in integral multiples of one one-hundredth (1/100th) of a share of 
Preferred Stock may, at the election of the Corporation, be evidenced by 
depositary receipts, pursuant to an appropriate agreement between the 
Corporation and a depositary selected by it; PROVIDED that such agreement 
shall provide that the holders of such depositary receipts shall have the 
rights, privileges and preferences to which they are entitled as beneficial 
owners of the Preferred Stock represented by such depositary receipts.  In 
lieu of fractional shares of Preferred Stock that are not one one-hundredth 
(1/100th) or integral multiples of one one-hundredth (1/100th) of a share of 
Preferred Stock, the Corporation shall pay to the registered holders of Right 
Certificates at the time such Rights are exercised as herein provided an 
amount in cash equal to the same fraction of the current market value of one 
share of Preferred Stock.  For the purposes of this Section 14.2, the current 
market value of a share of Preferred Stock shall be the closing price of a 
share of Preferred Stock (as determined pursuant to Section 11.4.2 hereof) 
for the Trading Day immediately prior to the date of such exercise.

          14.3.  Following the occurrence of one of the transactions or 
events specified in Section 11 giving rise to the right to receive shares of 
Common Stock, Capital Stock Equivalents (other than Preferred Stock) or other 
securities upon the exercise of a Right, the Corporation shall not be 
required to issue fractions of shares or units of such shares of Common 
Stock, Capital Stock Equivalents or other securities upon exercise of the 
Rights or to distribute certificates that evidence fractions of such shares 
of Common Stock, Capital Stock Equivalents or other securities.  In lieu of 
fractional shares or units of such shares of Common Stock, Capital Stock 
Equivalents or other securities, the Corporation may 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 a share or unit of such shares of Common Stock, Capital Stock 
Equivalents or other securities.  For purposes of this Section 14.3, the 
current market value shall be determined in the manner set forth in Section 
11.4 hereof for the Trading Day immediately prior to the date of such 
exercise and, if such Capital Stock Equivalent is not traded, each such 
Capital Stock Equivalent shall have the value of one one-hundredth (1/100th) 
of a share of Preferred Stock.

          14.4.  The holder of a Right by the acceptance of the Right 
expressly waives such holder's right to receive any fractional Rights or any 
fractional share upon exercise of a Right (except as provided above).  The 
Rights Agent shall not be deemed to have knowledge of, and shall have no duty 
in respect of, the issuance of fractional Rights or fractional shares unless 
and until it shall have received instructions from the Corporation concerning 
the issuance of such fractional Rights or fractional shares.


                                       26
<PAGE>

     15.  RIGHTS OF ACTION.

          15.1.  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 shares of the 
Common Stock); and any registered holder of any Right Certificate (or, prior 
to the Distribution Date, of shares of the Common Stock), without the consent 
of the Rights Agent or of the holder of any other Right Certificate (or, 
prior to the Distribution Date, of shares of the Common Stock), may, in such 
registered holder's own behalf and for such registered holder's own benefit, 
enforce, and may institute and maintain any suit, action or proceeding 
against the Corporation to enforce, or otherwise act in respect of, such 
registered holder's right to exercise the Rights evidenced by such Right 
Certificate in the manner provided in such Right Certificate and in this 
Agreement.  Without limiting the foregoing or any remedies available to the 
holders of Rights, it is specifically acknowledged that the holders of Rights 
would not have an adequate remedy at law for any breach of this Agreement and 
will be entitled to specific performance of the obligations under, and 
injunctive relief against actual or threatened violations of the obligations 
of any Person subject to, this Agreement.  Nothing in this Section 15 is 
intended to modify or limit the authority of the Board of Directors under 
Section 25.3.

     16.  AGREEMENT OF RIGHT HOLDERS.

     Every holder of a Right, by accepting the same, consents and agrees with 
the Corporation and the Rights Agent and with every other holder of a Right 
that:

          16.1.  prior to the Distribution Date, the Rights will be 
transferable only in connection with the transfer of the associated shares of 
Common Stock;

          16.2.  after the Distribution Date, the Right Certificates are 
transferable only on the registry books of the Rights Agent if surrendered at 
the office of the Rights Agent designated for such purpose, duly endorsed or 
accompanied by a proper instrument of transfer and with the appropriate form 
fully executed;

          16.3.  subject to Section 6 and Section 7.7 hereof, the Corporation 
and the Rights Agent may deem and treat the Person in whose name the Right 
Certificate (or, prior to the Distribution Date, the associated Common Stock 
certificate) is registered as the absolute owner thereof and of the Rights 
evidenced thereby (notwithstanding any notations of ownership or writing on 
the Right Certificate or the associated Common Stock certificate made by 
anyone other than the Corporation or the Rights Agent) for all purposes 
whatsoever, and neither the Corporation nor the Rights Agent, subject to the 
last sentence of Section 7.6 hereof, shall be required to be affected by any 
notice to the contrary; and


                                       27
<PAGE>

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

     17.  RIGHT CERTIFICATE HOLDER NOT DEEMED A STOCKHOLDEr.

     No holder, as such, of any Right Certificate shall be entitled to vote, 
receive dividends or be deemed for any purpose the holder of shares of the 
Preferred Stock or any other securities of the Corporation 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 
stockholder of the Corporation or any right to vote for the election of 
directors or upon any matter submitted to stockholders at any meeting 
thereof, or to give or withhold consent to any corporate action, or to 
receive notice of meetings or other actions affecting stockholders (except as 
provided in Section 24 hereof), or to receive dividends or other 
distributions or to exercise any preemptive or subscription rights, or 
otherwise, until the Right or Rights evidenced by such Right Certificate 
shall have been exercised in accordance with the provisions hereof.

     18.  CONCERNING THE RIGHTS AGENT.

          18.1.  The Corporation agrees to pay to the Rights Agent reasonable 
compensation for all services rendered by it hereunder and, from time to 
time, on demand of the Rights Agent, its reasonable expenses and counsel fees 
and other disbursements incurred in the administration, preparation, 
delivery, amendment and execution of this Agreement and the exercise and 
performance of its duties hereunder.  The Corporation also agrees to 
indemnify the Rights Agent for, and to hold it harmless against, any loss, 
liability, damage, judgment, fine, penalty, claim, demand, settlement, cost 
or expense incurred without gross negligence, bad faith or willful misconduct 
on the part of the Rights Agent, for any action taken, suffered or omitted by 
the Rights Agent in connection with the acceptance and administration of this 
Agreement, including without limitation the costs and expenses of defending 
against any claim of liability in the premises.  The indemnity provided for 
herein shall survive the expiration of the Rights and the termination of this 
Agreement.

          18.2.  The Rights Agent shall be authorized and protected and shall 
incur no liability for, or in respect of, any action taken, suffered or 
omitted by it in connection with the acceptance and administration of this 
Agreement in reliance upon any Right Certificate or 


                                       28
<PAGE>

certificate for shares of Common Stock or for other securities of the 
Corporation, instrument of assignment or transfer, power of attorney, 
endorsement, affidavit, letter, notice, direction, consent, certificate, 
statement or other paper or document believed by it to be genuine and to be 
signed, executed and, where necessary, verified or acknowledged, by the 
proper Person or Persons.  The Rights Agent shall not be deemed to have 
knowledge of, and shall have no duty in respect of, any fact contained in 
such Right Certificate or certificate for shares of Common Stock or for other 
securities of the Corporation, instrument of assignment or transfer, power of 
attorney, endorsement, affidavit, letter, notice, direction, consent, 
certificate, statement or other paper or document unless and until it shall 
have received the same.

          18.3.  Anything in this Agreement to the contrary notwithstanding, 
in no event shall the Rights Agent be liable for special, indirect, 
incidental or consequential loss or damage of any kind whatsoever (including 
but not limited to lost profits), even if the Rights Agent has been advised 
of the likelihood of such loss or damage and regardless of the form of the 
action.

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

          19.1.  Any Person into which the Rights Agent or any successor 
Rights Agent may be merged or with which it may be consolidated, or any 
Person resulting from any merger or consolidation to which the Rights Agent 
or any successor Rights Agent shall be a party, or any Person succeeding to 
the stock transfer or all or substantially all of the shareholder services 
business of the Rights Agent or any successor Rights Agent, shall be the 
successor to the Rights Agent under this Agreement without the execution or 
filing of any paper or any further act on the part of any of the parties 
hereto, PROVIDED that such Person would be eligible for appointment as a 
successor Rights Agent under the provisions of Section 21 hereof.

          19.2.  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.

     20.  DUTIES OF RIGHTS AGENT.

          20.1.  The Rights Agent undertakes those duties and obligations, 
and only the duties and obligations, expressly imposed by this Agreement (and 
no implied duties or obligations) upon the following terms and conditions, by 
all of which the Corporation and the holders of Right Certificates, by their 
acceptance thereof, shall be bound.


                                       29
<PAGE>

          20.2.  The Rights Agent may consult with legal counsel (who may be 
legal counsel for the Corporation), and the advice or opinion of such counsel 
shall be full and complete authorization and protection to the Rights Agent, 
and the Rights Agent shall incur no liability for or in respect of any action 
taken, suffered or omitted by it in good faith and in accordance with such 
advice or opinion.

          20.3.  Whenever in the performance of its duties under this 
Agreement the Rights Agent shall deem it necessary or desirable that any fact 
or matter (including, without limitation, the identity of an Acquiring Person 
and the determination of the current market price of any security) be proved 
or established by the Corporation prior to taking, suffering or omitting any 
action hereunder, such fact or matter (unless other evidence in respect 
thereof be herein specifically prescribed) may be deemed to be conclusively 
proved and established by a certificate signed by any one of the Chairman of 
the Board, the Chief Executive Officer, the President, any Vice President, 
the Treasurer or the Secretary of the Corporation and delivered to the Rights 
Agent; and such certificate shall be full authorization and protection to the 
Rights Agent and the Rights Agent shall incur no liability for or in respect 
of any action taken, suffered or omitted in good faith by it under the 
provisions of this Agreement in reliance upon such certificate.

          20.4.  The Rights Agent shall be liable hereunder only for its own 
gross negligence, bad faith or willful misconduct.

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

          20.6.  The Rights Agent shall not be under any liability or 
responsibility in respect of the validity of this Agreement or the execution 
and delivery hereof (except the due execution hereof by the Rights Agent) or 
in respect of the validity or execution of any Right Certificate (except its 
countersignature thereof); nor shall it be responsible for any breach by the 
Corporation of any covenant or condition contained in this Agreement or in 
any Rights Certificate; nor shall it be responsible for any change in the 
exercisability of the Rights (including the Rights becoming null and void 
pursuant to Section 7.6 hereof) or any adjustment required under the 
provisions of Section 11, Section 13 or Section 26 hereof or responsible for 
the manner, method or amount of any such adjustment or the ascertaining of 
the existence of facts that would require any such adjustment (except with 
respect to the exercise of Rights evidenced by Right Certificates after 
receipt of the certificate described in Section 12 hereof); nor shall it by 
any act hereunder be deemed to make any representation or warranty as to the 
authorization or reservation of any shares of Preferred Stock or shares of 
Common Stock to be issued pursuant to this Agreement or any Right Certificate 
or as to whether any Preferred Stock or shares of Common Stock will, when 
issued, be validly authorized and issued, fully paid and non-assessable.


                                       30
<PAGE>

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

          20.8.  The Rights Agent is hereby authorized and directed to accept 
instructions with respect to the performance of its duties hereunder from any 
one of the Chairman of the Board, the Chief Executive Officer, the President, 
any Vice President, the Treasurer or the Secretary of the Corporation, and to 
apply to such officers for advice or instructions in connection with its 
duties, and such instructions shall be full authorization and protection of 
the Rights Agent and the Rights Agent shall incur no liability for or in 
respect of any action taken, suffered or omitted by it in good faith or lack 
of action in accordance with instructions of any such officer or for any 
delay in acting while waiting for those instructions.  The Rights Agent shall 
incur no liability for or in respect of its reliance upon the most recent 
instructions received by any such officer.  Any application by the Rights 
Agent for written instructions from the Corporation may, at the option of the 
Rights Agent, set forth in writing any action proposed to be taken or omitted 
by the Rights Agent under this Agreement and the date on or after which such 
action shall be taken or suffered such omission shall be effective.  The 
Rights Agent shall not be liable for any action taken or suffered by, or 
omission of, the Rights Agent in accordance with a proposal included in any 
such application on or after the date specified in such application (which 
date shall not be less than five (5) Business Days after the date any officer 
of the Corporation actually receives such application, unless any such 
officer shall have consented in writing to an earlier date) unless, prior to 
taking any such action (or the effective date in the case of an omission), 
the Rights Agent shall have received written instruction in response to such 
application specifying the action to be taken, suffered or omitted.

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

          20.10.  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, negligence or misconduct of 
any such attorneys or agents or for any loss to the Corporation or any other 
Person resulting from any such act, default, negligence or misconduct, absent 
gross negligence, bad faith or willful misconduct in the selection and 
continued employment thereof.


                                       31
<PAGE>

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

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

     21.  CHANGE OF RIGHTS AGENT.

     The Rights Agent or any successor Rights Agent may resign and be 
discharged from its duties under this Agreement upon thirty (30) days' notice 
in writing mailed to the Corporation and to each transfer agent of the Common 
Stock or Preferred Stock by registered or certified mail, and to the holders 
of the Right Certificates by first-class mail.  The Corporation may remove 
the Rights Agent or any successor Rights Agent upon sixty (60) days' notice 
in writing, mailed to the Rights Agent or successor Rights Agent, as the case 
may be, and to each transfer agent of the Common Stock or Preferred Stock by 
registered or certified mail, and to holders of the Right Certificates by 
first-class mail.  If the Rights Agent shall resign or be removed or shall 
otherwise become incapable of acting, the Corporation shall appoint a 
successor to the Rights Agent.  If the Corporation shall fail to make such 
appointment within a period of sixty (60) days after giving notice of such 
removal or after it has been notified in writing of such resignation or 
incapacity by the resigning or incapacitated Rights Agent or by the holder of 
a Right Certificate (who shall, with such notice, submit his Right 
Certificate for inspection by the Corporation), then the registered holder of 
any Right Certificate may apply to any court of competent jurisdiction for 
the appointment of a new Rights Agent.  Any successor Rights Agent, whether 
appointed by the Corporation or by such a court, shall be a Person organized 
and doing business under the laws of the United States or of any of the 
States of New York, New Jersey or California (or of any other state of the 
United States so long as such Person is authorized to do business in any of 
the States of New York, New Jersey or California), in good standing, having 
an office in any of such States, which is  subject to supervision or 
examination by federal or state authority and which (or the parent 
corporation of which) has at the time of its appointment as Rights Agent a 
combined capital and surplus of at least $50,000,000.  After appointment, the 
successor Rights Agent shall be vested with the same powers, rights, duties 
and responsibilities as if it had been originally named as Rights Agent 
without further act or deed; but the predecessor Rights Agent shall deliver 
and transfer to the successor Rights Agent any property at the time held by 
it hereunder, and execute and deliver any further assurance, conveyance, act 
or deed necessary for the purpose.  In case at the time such successor Rights 
Agent shall succeed to the agency created by this Agreement, any of the Right 
Certificates shall have been countersigned but not delivered, any such 
successor Rights Agent may adopt the countersignature of a predecessor Rights 
Agent and deliver such Right Certificates so countersigned; and in 


                                       32
<PAGE>

case at that time any of the Right Certificates shall not have been 
countersigned, any successor Rights Agent may countersign such Right 
Certificates either in the name of the predecessor or in the name of the 
successor Rights Agent; and in all such cases such Right Certificates shall 
have the full force provided in the Right Certificates and in this Agreement. 
Not later than the effective date of any such appointment, the Corporation 
shall file notice thereof in writing with the predecessor Rights Agent and 
each transfer agent of the Common Stock or Preferred Stock, 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.

     22.  ISSUANCE OF NEW RIGHT CERTIFICATES.

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

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

     23.  REDEMPTION AND TERMINATION.

          23.1.  REDEMPTION

                 23.1.1.  The Board of Directors of the Corporation may, at 
its option, redeem all but not less than all of the then outstanding Rights 
at a redemption price of $.001 per Right, as such amount may be appropriately 
adjusted to reflect any stock split, stock dividend or 


                                       33
<PAGE>

similar transaction occurring after the date hereof (such redemption price 
being hereinafter referred to as the "REDEMPTION PRICE"), at any time prior 
to the earlier of the occurrence of a Section 11.1.2 Event or the Final 
Expiration Date.  The Corporation may, at its option, pay the Redemption 
Price either in shares of Common Stock (based on the current per share market 
price of the Common Stock at the time of redemption) or cash; PROVIDED that 
if the Corporation elects to pay the Redemption Price in shares of Common 
Stock, the Corporation shall not be required to issue any fractional shares 
of Common Stock and the number of shares of Common Stock issuable to each 
holder of Rights shall be rounded down to the next whole share.

                 23.1.2.  In addition, the Board of Directors of the 
Corporation may, at its option, at any time following the  occurrence of a 
Section 11.1.2 Event and the expiration of any period during which the holder 
of Rights may exercise the Rights under Section 11.1.2 but prior to any 
Section 13 Event redeem all but not less than all of the then outstanding 
Rights at the Redemption Price (x) in connection with any merger, 
consolidation or sale or other transfer (in one transaction or in a series of 
related transactions) of assets or earning power aggregating 50% or more of 
the earning power of the Corporation and its Subsidiaries (taken as a whole) 
in which all holders of shares of Common Stock are treated alike and not 
involving (other than as a holder of shares of Common Stock being treated 
like all other such holders) an Interested Stockholder or (y) (i) if and for 
so long as the Acquiring Person is not thereafter the Beneficial Owner of 15% 
or more of the Common Stock, and (ii) at the time of redemption no other 
Persons are Acquiring Persons.

          23.2.  In the case of a redemption permitted under Section 23.1.1, 
immediately upon the date for redemption set forth in (or determined in the 
manner specified in) a resolution of the Board of Directors of the 
Corporation ordering the redemption of the Rights, 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 for each Right so held.  In the case of a 
redemption permitted only under Section 23.1.2, the right to exercise the 
Rights will terminate and represent only the right to receive the Redemption 
Price upon the later of ten (10) Business Days following the giving of such 
notice or the expiration of any period during which the Rights may be 
exercised under Section 11.1.2.  The Corporation 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 ten (10) days after such date for redemption set forth in 
a resolution of the Board of Directors of the Corporation ordering the 
redemption of the Rights, the Corporation shall mail a notice of redemption 
to the Rights Agent and all the holders of the then outstanding Rights at (in 
the case of notice to holders) their 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 Stock.  Any notice which 
is mailed in the manner herein provided shall be deemed given, whether or not 
the holder receives the notice.  Each such notice of redemption will state 
the method by which the payment of the Redemption Price will be made. Neither 
the Corporation nor any of its Affiliates or Associates may redeem, acquire 
or purchase for value any Rights at 
 

                                       34
<PAGE>

any time in any manner other than as specifically set forth in this Section 
23 and other than in connection with the purchase of shares of Common Stock 
prior to the Distribution Date.

          23.3.  The Corporation may, at its option, discharge all of its 
obligations with respect to the Rights by (i) issuing a press release 
announcing the manner of redemption of the Rights in accordance with this 
Agreement and (ii) mailing payment of the Redemption Price to the registered 
holders of the Rights at their addresses as they appear on the registry books 
of the Rights Agent or, prior to the Distribution Date, on the registry books 
of the Transfer Agent of the Common Stock, and upon such action, all 
outstanding Rights and Right Certificates shall be null and void without any 
further action by the Corporation.

     24.  NOTICE OF CERTAIN EVENTS.

          24.1.  In case the Corporation shall propose (i) to pay any 
dividend payable in stock of any class to the holders of its Preferred Stock 
or to make any other distribution to the holders of its Preferred Stock 
(other than a regular quarterly cash dividend), (ii) to offer to the holders 
of its Preferred Stock rights or warrants to subscribe for or to purchase any 
additional Preferred Stock or shares of stock of any class or any other 
securities, rights or options, (iii) to effect any reclassification of its 
Preferred Stock (other than a reclassification involving only the subdivision 
of outstanding Preferred Stock), (iv) to effect any consolidation or merger 
into or with any other Person (other than a Subsidiary of the Corporation in 
a transaction which does not violate Section 11.14 hereof), or to effect any 
sale or other transfer (or to permit one or more of its Subsidiaries to 
effect any sale or other transfer) in one or more transactions, of 50% or 
more of the assets or earning power of the Corporation and its Subsidiaries 
(taken as a whole) to any other Person or Persons (other than the Corporation 
and/or any of its Subsidiaries in one or more transactions each of which does 
not violate Section 11.14 hereof), or (v) to effect the liquidation, 
dissolution or winding up of the Corporation, then, in each such case, the 
Corporation shall give  the Rights Agent and to each holder of a Right 
Certificate, in accordance with Section 25 hereof, a notice of such proposed 
action which shall specify the record date for the purposes of such stock 
dividend 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 Preferred Stock, if any such date is to be 
fixed, and such notice shall be so given in the case of any action covered by 
clause (i) or (ii) above at least twenty (20) days prior to the record date 
for determining holders of the Preferred Stock for purposes of such action, 
and in the case of any such other action, at least twenty (20) days prior to 
the date of the taking of such proposed action or the date of participation 
therein by the holders of the Preferred Stock, whichever shall be the earlier.

          24.2.  In case of a Section 11.1.2 Event, then (i) the Corporation 
shall as soon as practicable thereafter give to each holder of a Right 
Certificate, in accordance with Section 25.1.3 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 11.1.2 hereof, 
and 


                                       35
<PAGE>

(ii) all references in the preceding Section 24.1 to Preferred Stock 
shall be deemed thereafter to refer also to shares of Common Stock and/or, if 
appropriate, other securities of the Corporation.

     25.  MISCELLANEOUS.

          25.1.  NOTICES.

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

          Data I/O Corporation
          10525 Willows Road N.E.
          Redmond, Washington 98052
          Attention:  Corporate Secretary

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

          ChaseMellon Shareholder Services, L.L.C.
          85 Challenger Road
          Ridgefield Park, New Jersey 07660-2108
          Attention:  General Counsel

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

          25.2.  SUPPLEMENTS AND AMENDMENTS.  The Corporation may from time 
to time supplement or amend any provision of this Agreement without the 
approval of any holders of Rights in order to cure any ambiguity, to correct 
or supplement any provision herein, or to make any other provision with 
respect to the Rights which the Corporation may deem necessary or desirable, 
any such supplement or amendment to be evidenced by a writing signed by the 
Corporation and the Rights Agent; PROVIDED, HOWEVER, that from and after any 
Shares 


                                       36
<PAGE>

Acquisition Date this Agreement shall not be amended in any manner which will 
adversely affect the interests of the holders of Rights.  Upon the delivery 
of a certificate from an appropriate officer of the Corporation which states 
that the proposed supplement or amendment is in compliance with the terms of 
this Section 25.2, and, if requested by the Rights Agent, an opinion of 
counsel, the Rights Agent shall execute such supplement or amendment, 
PROVIDED that such supplement or amendment does not adversely affect the 
rights or obligations of the Rights Agent under Section 18 or Section 20 of 
this Agreement.  Prior to the Distribution Date, the interests of the holders 
of Rights shall be deemed coincident with the interests of the holders of 
shares of Common Stock.  This Agreement shall not be amended, without the 
prior written consent of the Rights Agent, in any  manner that changes or 
increases the duties or obligations of the Rights Agent.

          25.3.  DETERMINATION AND ACTIONS BY THE BOARD OF DIRECTORS, ETC.  
The Board of Directors of the Corporation shall have the exclusive power and 
authority to administer this Agreement and to exercise all rights and powers 
specifically granted to the Board, or the Corporation, or as may be necessary 
or advisable in the administration of this Agreement, including without 
limitation, the right and power to (i) interpret the provisions of this 
Agreement, and (ii) make all determinations deemed necessary or advisable for 
the administration of this Agreement (including, without limitation, a 
determination to redeem or not redeem the Rights or to amend the Agreement 
and whether any proposed amendment adversely affects the interests of the 
holders of Right Certificates).  For all purposes of this Agreement, any 
calculation of the number of shares of Common Stock or other securities 
outstanding at any particular time, including for purposes of determining the 
particular percentage of such outstanding shares of Common Stock or any other 
securities of which any Person is the Beneficial Owner, shall be made in 
accordance with the last sentence of Rule 13d-3(d)(1)(i) of the General Rules 
and Regulations under the Exchange Act as in effect on the date of this 
Agreement.  All such actions, calculations, interpretations and 
determinations (including, for purposes of clause (y) below, all omissions 
with respect to the foregoing) which are done or made by the Board in good 
faith, shall (x) be final, conclusive and binding on the Corporation, the 
Rights Agent, the holders of the Right Certificates and all other Persons, 
and (y) not subject the Board to any liability to the holders of the Right 
Certificates.  The Rights Agent shall be fully protected and shall incur no 
liability for or in respect of its reliance on the good faith of the 
Corporation's Board of Directors with respect to actions done or made in 
connection with such calculation.  Nothing in Section 15 hereof is intended 
to modify or limit this Section 25.3.

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

          25.5.  BENEFITS OF THIS AGREEMENT.  Nothing in this Agreement shall 
be construed to give to any Person or corporation other than the Corporation, 
the Rights Agent and the registered holders of the Right Certificates (and, 
prior to the Distribution Date, the shares of Common Stock) any legal or 
equitable right, remedy or claim under this Agreement.  This 


                                       37
<PAGE>

Agreement shall be for the sole and exclusive benefit of the Corporation, the 
Rights Agent and the registered holders of the Right Certificates (and, prior 
to the Distribution Date, the shares of Common Stock).

          25.6.  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.

          25.7.  GOVERNING LAW.  This Agreement, each Right and each Right 
Certificate issued hereunder shall be deemed to be a contract made under the 
laws of the State of 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; except that all 
provisions regarding the rights, duties and obligations of the Rights Agent 
shall be governed and construed in accordance with the laws of the State of 
New York applicable to contracts made and to be performed entirely within 
such State.

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

          25.9.  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.

     26.  EXCHANGE.

          26.1.  Notwithstanding any other provision hereof, the Board of 
Directors of the Corporation 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 null and 
void pursuant to the provisions of Section 7.6 hereof) for shares of Common 
Stock of the Corporation at an exchange ratio determined by dividing the 
then-applicable exercise price of the Rights determined under Section 7.2 by 
the "current per share market price" as defined in Section 11.4.1 (such 
exchange ratio being hereinafter referred to as the "EXCHANGE RATIO").  
Notwithstanding the foregoing, the Corporation's Board of Directors shall not 
be empowered to effect such exchange at any time after any Person (other than 
the Corporation, any Subsidiary of the Corporation, any employee benefit plan 
of the Corporation or any such Subsidiary, or any Person organized, appointed 
or established by the Corporation for or pursuant to the terms of any such 
plan or any trustee, administrator or 


                                       38
<PAGE>

fiduciary of such a plan), together with all Affiliates and Associates of 
such Person, becomes the Beneficial Owner of 50% or more of the Common Stock 
then outstanding.

          26.2.  Immediately upon the action of the Board of Directors of the 
Corporation ordering the exchange of any Rights pursuant to Section 26.1 and 
without any further action and without any notice, the right to exercise such 
rights shall terminate and the only right thereafter of the holder of such 
Rights (other than a holder of Rights that have become null and void pursuant 
to the provisions of Section 7.6 hereof) shall be to receive that number of 
shares of Common Stock equal to the number of such Rights held by such holder 
multiplied by the Exchange Ratio.  The Corporation shall promptly give public 
notice, and shall promptly give notice to the Rights Agent, of any such 
exchange; PROVIDED, HOWEVER, that the failure to give, or any defect in, such 
notice shall not affect the validity of such exchange.  The Corporation 
promptly shall mail a notice of any such exchange to all of the holders of 
such Rights at their last addresses as they appear upon the registry books of 
the Rights Agent. Any notice which is mailed in the manner herein provided 
shall be deemed given, whether or not the holder receives the notice.  Each 
such notice of exchange shall state the method by which the exchange of the 
Common Stock for Rights will be effected and, in the event of any partial 
exchange, the number of Rights which will be exchanged.  Any partial exchange 
shall be effected pro rata based on the number of Rights (other than Rights 
which have become void pursuant to the provisions of Section 7.6) held by 
each holder of Rights.

          26.3.  In the event that there shall not be sufficient shares of 
Common Stock issued but not outstanding or authorized but unissued to permit 
any exchange of Rights as contemplated in accordance with this Section 26, 
the Corporation shall take all such action as may be necessary to authorize 
additional shares of Common Stock or Preferred Stock for issuance upon 
exchange of the Rights.


                   [REST OF PAGE INTENTIONALLY LEFT BLANK]


                                       39
<PAGE>

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


                                       DATA I/O CORPORATION
                                          
Attest:
                                          
                                          
                                          
By: /s/ James J. David                     By: /s/ Joel S. Hatlen
    --------------------------------           -------------------------------
    James J. David                             Joel S. Hatlen
    President                                  Vice President of Finance and 
                                               Chief Financial Officer
                                          
                                          
                          CHASEMELLON SHAREHOLDER SERVICES, L.L.C.
                                          
                                       By: /s/ Dianna Rausch
                                           --------------------------------
                                           Dianna Rausch
                                           Vice President

<PAGE>

                                    EXHIBIT A

                           Form of Right Certificate

Certificate No. A-                                                _____ Rights

          NOT EXERCISABLE AFTER APRIL 4, 2008 OR EARLIER IF REDEEMED
          BY THE CORPORATION.  THE RIGHTS ARE SUBJECT TO REDEMPTION AT
          $.001 PER RIGHT ON THE TERMS SET FORTH IN THE RIGHTS
          AGREEMENT.
          
                                Right Certificate

                               DATA I/O CORPORATION

     This certifies that __________, or registered assigns, is the registered 
owner of the number of Rights set forth above, each of which entitles the 
owner thereof, subject to the terms, provisions and conditions of the Rights 
Agreement, dated as of April 4, 1998 (the "Rights Agreement"), between Data 
I/O Corporation, a Washington corporation (the "Corporation"), and 
ChaseMellon Shareholder Services, L.L.C., a New Jersey limited liability 
company, (the "Rights Agent") to purchase from the Corporation at any time 
after the Distribution Date (as such term is defined in the Rights Agreement) 
and prior to 5:00 P.M., Washington time, on April 4, 2008, unless the Rights 
evidenced hereby shall have been previously redeemed by the Corporation, at 
the principal office or offices of the Rights Agent designated for such 
purpose, or at the office of its successor as Rights Agent, one one-hundredth 
(1/100th) of a fully paid non-assessable share of Series A Junior 
Participating Preferred Stock (the "Preferred Stock") of the Corporation, at 
a purchase price of $30 per one one-hundredth (1/100th) of a share of 
Preferred Stock (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 (1/100ths) of a share of Preferred Stock 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 _______________, based 
on the Preferred Stock as constituted at such date.

     Upon the occurrence of a Section 11.1.2 Event (as such term is defined 
in the Rights Agreement), if the Rights evidenced by this Right Certificate 
are beneficially owned by (i) an Acquiring Person or an Affiliate or 
Associate of an Acquiring Person, (ii) a transferee of an Acquiring Person 
(or of any Affiliate or Associate thereof) who becomes a transferee after the 
Acquiring Person becomes such, or (iii) a transferee of an Acquiring Person 
(or of an Affiliate or Associate thereof) who becomes a transferee prior to 
or concurrently with the Acquiring Person becoming such and receives such 
Rights pursuant to either (A) a transfer (whether or not for consideration) 
from the Acquiring Person (or from any Affiliate or Associate thereof) to 
holders of equity interests in such Acquiring Person or to any Person with 
whom the Acquiring Person has a continuing agreement, arrangement 

<PAGE>

or understanding regarding the transferred Rights or (B) a transfer that the 
Board of Directors of the Corporation has determined is part of a plan, 
arrangement or understanding that has as a primary purpose or effect the 
avoidance of Section 7.6 of the Rights Agreement, shall become null and void 
without any further action and no holder hereof shall have any rights 
whatsoever with respect to such Rights, whether under any provision of the 
Rights Agreement or otherwise.

     As provided in the Rights Agreement, the Purchase Price and the number 
of one one-hundredths (1/100ths) of a share of Preferred Stock or other 
securities 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, including Triggering Events (as such term is 
defined in the Rights Agreement).

     This Right Certificate is subject to all of the terms, covenants and 
restrictions of the Rights Agreement, which terms, covenants and restrictions 
are hereby incorporated herein by reference and made a part hereof and to 
which Rights Agreement reference is hereby made for a full description of the 
rights, limitations of rights, obligations, duties and immunities hereunder 
of the Rights Agent, the Corporation and the holders of the Right 
Certificates, which limitations of rights include the temporary suspension of 
the exercisability of such Rights under the specific circumstances set forth 
in the Rights Agreement. Copies of the Rights Agreement are on file at the 
principal executive offices of the Corporation and the office 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 
shares of Preferred Stock or other securities 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 may be redeemed by the Corporation at a redemption price 
of $.001 per Right (subject to adjustment as provided in the Rights 
Agreement) payable in cash.
 
     No fractional shares of Preferred Stock will be issued upon the exercise 
of any Right or Rights evidenced hereby (other than fractions that are one 
one-hundredth (1/100th) or integral multiples of one one-hundredth (1/100th) 
of a share of Preferred Stock, which may, at the election of the Corporation, 
be evidenced by depository 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 shares of the Preferred 
Stock or of any other securities of the Corporation that may at any time be 
issuable on the exercise hereof, nor shall anything 


                                       2
<PAGE>

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 Corporation 
or any right to vote for the election of directors or upon any matter 
submitted to shareholders at any meeting thereof, or to give or withhold 
consent to any corporate action, or to receive notice of meetings or other 
actions affecting shareholders (except as provided in the Rights Agreement), 
or to receive dividends or other distributions or to exercise any preemptive 
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 
Corporation and its corporate seal.  Dated as of __________, _____.

[SEAL]
ATTEST:                                DATA I/O CORPORATION

By __________________________________  By __________________________________

Name ________________________________  Name ________________________________

Title _______________________________  Title _______________________________


Countersigned:

[                      ]
By __________________________________  

Name ________________________________  

Title _______________________________  



                                       3
<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 _______________ 
Attorney-in-Fact, to transfer the within Right Certificate on the books of 
the within-named Corporation, with full power of substitution.

Dated:__________, _____                _______________________________________
                                       Signature

Signature Guaranteed:

______________________________

     Signatures must be guaranteed by an "Eligible Guarantor Institution" as 
defined in Rule 17Ad-15 (or any successor rule or regulation) promulgated 
pursuant to the Securities Exchange Act of 1934, as amended (this term means, 
in general, banks, stock brokers, savings and loan associations, and credit 
unions, in each case with membership in an approved signature guarantee 
medallion program).

     The undersigned hereby certifies that (1) the Rights evidenced by this 
Right Certificate are not being sold, assigned or transferred by or on behalf 
of a Person who is or was an Acquiring Person or an Affiliate or Associate 
thereof (as such terms are defined in the Rights Agreement), (2) this Right 
Certificate is not being sold, assigned or transferred to or on behalf of any 
such Acquiring Person, Affiliate or Associate, and (3) after due inquiry and 
to the best knowledge of the undersigned, the undersigned did not acquire the 
Rights evidenced by this Right Certificate from any Person who is or was an 
Acquiring Person or an Affiliate or Associate thereof (as such terms are 
defined in the Rights Agreement).

                                       _______________________________________
                                       Signature

<PAGE>

            Form of Reverse Side of Right Certificate -- continued
                        FORM OF ELECTION TO PURCHASE

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

To the Rights Agent:

     The undersigned hereby irrevocably elects to exercise ______________ 
Rights represented by this Right Certificate to purchase the shares of 
Preferred Stock, shares of Common Stock or other securities issuable upon the 
exercise of such Rights and requests that certificates for such shares of 
Preferred Stock, shares of Common Stock or other securities be issued in the 
name of:

Please insert social security number
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 number
or other identifying number __________________________________________________
______________________________________________________________________________
                       (Please print name and address)

Dated:    __________, _____

                                       _______________________________________
                                       Signature


Signature Guaranteed:

______________________________

     Signatures must be guaranteed by an "Eligible Guarantor Institution" as 
defined in Rule 17Ad-15 (or any successor rule or regulation) promulgated 
pursuant to the Securities Exchange Act of 1934, as amended (this term means, 
in general, banks, stock brokers, savings and loan associations, and credit 
unions, in each case with membership in an approved signature guarantee 
medallion program).

<PAGE>

               Form of Reverse Side of Right Certificate -- continued

     The undersigned hereby certifies that (1) the Rights evidenced by this 
Right Certificate are not being exercised by or on behalf of a Person who is 
or was an Acquiring Person or an Affiliate or Associate thereof (as such 
terms are defined in the Rights Agreement), (2) this Right Certificate is not 
being sold, assigned or transferred by or on behalf of any such Acquiring 
Person, Affiliate or Associate, and (3) after due inquiry and to the best 
knowledge of the undersigned, the undersigned did not acquire the Rights 
evidenced by this Right Certificate from any Person who is or was an 
Acquiring Person or an Affiliate or Associate thereof (as such terms are 
defined in the Rights Agreement).


                                       _______________________________________
                                       Signature


                                       Notice

     The signature on the foregoing Forms of Assignment and Election and 
certificates must conform to the name as written upon the face of this Right 
Certificate in every particular, without alteration or enlargement or any 
change whatsoever.

          In the event the certification set forth above in the Form of 
Assignment or the Form of Election to Purchase, as the case may be, is not 
completed, the Corporation 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 such terms are defined in the 
Right Agreement) and such Assignment or Election to Purchase will not be 
honored.

<PAGE>

                                     EXHIBIT B


                                DATA I/0 CORPORATION
                              10525 Willows Road N.E.
                             Redmond, Washington 98052

                           SUMMARY OF RIGHTS TO PURCHASE
                   SERIES A JUNIOR PARTICIPATING PREFERRED SHARES

          On March 12, 1998, the Board of Directors (the "Board") of Data I/0 
Corporation (the "Corporation") declared a dividend distribution of one 
preferred share purchase right (a "Right") for each outstanding share of 
Common Stock (the "Common Stock") of the Corporation.  The dividend is 
payable to the shareholders of record on April 4, 1998 (the "Record Date"), 
and with respect to shares of Common Stock issued thereafter until the 
Distribution Date (as defined below) and, in certain circumstances, with 
respect to shares of Common Stock issued after the Distribution Date.  Except 
as set forth below, each Right, when it becomes exercisable, entitles the 
registered holder to purchase from the Corporation one one-hundredth 
(1/100th) of a share of Series A Junior Participating Preferred Stock/ (the 
"Preferred Stock"), of the Corporation at a price of $30 per one 
one-hundredth (1/100th) of a share of Preferred Stock (the "Purchase Price"), 
subject to adjustment.  The description and terms of the Rights are set forth 
in a Rights Agreement (the "Rights Agreement") between the Corporation and 
ChaseMellon Shareholder Services, L.L.C., as Rights Agent (the "Rights 
Agent"), dated as of April 4, 1998.

          Initially, the Rights will be attached to all certificates 
representing shares of Common Stock then outstanding, and no separate 
certificates representing the Rights ("Right Certificates") will be 
distributed. The Rights will separate from the Common Stock upon the earliest 
to occur of (i) a person or group of affiliated or associated persons having 
acquired, without the prior approval of the Corporation's Board of Directors, 
beneficial ownership of 15% or more of the outstanding shares of Common Stock 
(except pursuant to a Permitted Offer, as hereinafter defined) or (ii) 10 
days (or such later date as the Board may determine) following the 
commencement of, or announcement of an intention to make, a tender offer or 
exchange offer the consummation of which would result in a person or group of 
affiliated or associated persons becoming an Acquiring Person (as hereinafter 
defined) (the "Distribution Date").  A person or group whose acquisitions of 
shares of Common Stock cause a Distribution Date pursuant to clause (i) above 
is an "Acquiring Person," with certain exceptions as set forth in the Rights 
Agreement.  The date that a person or group is first publicly announced to 
have become such by the Corporation or such Acquiring Person is the "Shares 
Acquisition Date."

          The Rights Agreement provides that, until the Distribution Date, 
the Rights will be transferred with and only with the associated shares of 
Common Stock.  Until the Distribution Date (or earlier redemption or 
expiration of the Rights), new Common Stock certificates issued after the 
Record Date upon transfer or new issuance of shares of Common Stock will 
contain a notation incorporating the Rights Agreement by reference.  Until 
the Distribution Date (or earlier 

<PAGE>

redemption or expiration of the Rights), the surrender for transfer of any 
certificates for shares of Common Stock 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 
shares of Common Stock represented by such certificate.  As soon as 
practicable following the Distribution Date, Right Certificates will be 
mailed to the holders of record of the shares of Common Stock as of the Close 
of Business (as defined in the Rights Agreement) on the Distribution Date 
(and to each initial record holder of certain shares of Common Stock issued 
after the Distribution Date), and such separate Right Certificates alone will 
evidence the Rights.

          The Rights are not exercisable until the Distribution Date and will 
expire at the close of business on April 4, 2008, unless earlier redeemed by 
the Corporation as described below.

          In the event that any person becomes an Acquiring Person (except 
pursuant to a tender or exchange offer which is for all outstanding shares of 
Common Stock at a price and on terms which a majority of certain members of 
the Board determines to be adequate and in the best interests of the 
Corporation, its shareholders and other relevant constituencies, other than 
such Acquiring Person, its affiliates and associates (a "Permitted Offer")), 
each holder of a Right will thereafter have the right (the "Flip-In Right") 
to receive, upon exercise, the number of shares of Common Stock (or, in 
certain circumstances, of one one-hundredths (1/100ths) of a share of 
Preferred Stock or other securities of the Corporation) having a value 
(immediately prior to such triggering event) equal to two times the exercise 
price of the Right.  Notwithstanding the foregoing, following the occurrence 
of the event described above, all Rights that are, or (under certain 
circumstances specified in the Rights Agreement) were, beneficially owned by 
any Acquiring Person or any affiliate or associate thereof will be null and 
void.  The Board has the option, at any time after any person becomes an 
Acquiring Person, to exchange all or part of the then-exercisable Rights 
(excluding those that have become void, as described in the immediately 
preceding sentence) for shares of Common Stock, at an exchange ratio 
determined by dividing the then-applicable Purchase Price by the then-current 
market price per share of Common Stock as determined in accordance with the 
Rights Agreement.  However, this option generally terminates if any person 
becomes the beneficial owner of 50% or more of the Common Stock.

          In the event that, at any time following the Shares Acquisition 
Date, (i) the Corporation is acquired in a merger or other business 
combination transaction in which the holders of all of the outstanding shares 
of Common Stock immediately prior to the consummation of the transaction are 
not the holders of all of the surviving corporation's voting power, or (ii) 
more than 50% of the Corporation's assets or earning power is sold or 
transferred, in either case with or to (x) an Acquiring Person or any 
affiliate or associate thereof or (y) any other person in which such 
Acquiring Person, affiliate or associate has an interest or any person acting 
on behalf of or in concert with such Acquiring Person, affiliate or 
associate, or (z) if, in such transaction, all holders of shares of Common 
Stock are not treated alike, any other person, then each holder of a Right 
(except Rights which previously have been voided as set forth above) shall 
thereafter have the right (the "Flip-Over Right") to receive, upon exercise, 
common shares of the acquiring company (or, in certain circumstances, its 
parent), having a value equal to two 


                                       2
<PAGE>

times the exercise price of the Right.  The holder of a Right will continue 
to have the Flip-Over Right whether or not such holder exercises or 
surrenders the Flip-In Right.

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

          The number of outstanding Rights and the number of one 
one-hundredths (1/100ths) of a share of Preferred Stock issuable upon 
exercise of each Right are also subject to adjustment in the event of a stock 
split of the Common Stock or a stock dividend on the Common Stock payable in 
Common Stock or subdivisions, consolidations or combinations of the Common 
Stock occurring, in any such case, prior to the Distribution Date.

          Preferred Stock purchasable upon exercise of the Rights will not be 
redeemable.  Each share of Preferred Stock will be entitled to a minimum 
preferential quarterly dividend payment of $1.00 per share but, if greater, 
will be entitled to an aggregate dividend per share of 100 times the dividend 
declared per share of Common Stock.  In the event of liquidation, the holders 
of shares of the Preferred Stock will be entitled to a minimum preferential 
liquidation payment per share in an amount equal to $100 plus an amount equal 
to accrued and unpaid dividends and distributions thereon, whether or not 
declared, to the date of such payment (the "Series A Junior Participating 
Liquidation Preference"); thereafter, and after the holders of shares of the 
Common Stock receive a liquidation payment of an amount equal to the quotient 
obtained by dividing the Series A Junior Participating Liquidation Preference 
by 100 (subject to certain adjustments for stock splits, stock dividends and 
recapitalizations with respect to the Common Stock), the holders of shares of 
the Preferred Stock and the holders of the Common Stock will share the 
remaining assets in the ratio of 100 to 1 (as adjusted) for each share of 
Preferred Stock and Common Stock so held, respectively.  Finally, in the 
event of any merger, consolidation or other transaction in which shares of 
Common Stock are exchanged, each share of Preferred Stock will be entitled to 
receive 100 times the amount received per share of Common Stock.  These 
rights are protected by customary antidilution provisions.  In the event that 
the amount of accrued and unpaid dividends on the Preferred Stock is 
equivalent to six full quarterly dividends or more, the holders of shares of 
the Preferred Stock shall have the right, voting as a class, to elect two 
directors in addition to the directors elected by the holders of shares of 
the Common Stock until all cumulative dividends on the Preferred Stock have 
been paid or set apart for payment through the last quarterly dividend 
payment date.  No fractional shares of Preferred Stock will be issued (other 
than fractions which are one one-hundredth (1/100th) or integral multiples of 
one one-hundredth (1/100th) of a share of Preferred Stock, which may, at the 
election of the Corporation, be evidenced by depositary receipts) and in lieu 
thereof, an adjustment in cash will be made 


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<PAGE>

based on the market price of the Preferred Stock on the last trading day 
prior to the date of exercise.

          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.

          At any time prior to the earlier to occur of (i) a person becoming 
an Acquiring Person or (ii) the expiration of the Rights, and under certain 
other circumstances, the Corporation may redeem the Rights in whole, but not 
in part, at a price (payable in cash or, at the Corporation's election, in 
Common Stock) of $0.001 per Right (the "Redemption Price"), which redemption 
shall be effective upon the action of the Board.  Additionally, following the 
Shares Acquisition Date, the Corporation may redeem the then outstanding 
Rights in whole, but not in part, at the Redemption Price, provided that such 
redemption is in connection with a merger or other business combination 
transaction or series of transactions involving the Corporation in which all 
holders of shares of Common Stock are treated alike but not involving an 
Acquiring Person or its affiliates or associates.

          Other than those provisions relating to the rights, duties and 
obligations of the Rights Agent and certain principal economic terms of the 
Rights, all of the provisions of the Rights Agreement may be amended by the 
Board of Directors of the Corporation prior to the Distribution Date.  After 
the Distribution Date, the provisions of the Rights Agreement may be amended 
by the Board of Directors of the Corporation in order to cure any ambiguity, 
defect or inconsistency, to make changes that do not adversely affect the 
interests of holders of Rights (excluding the interests of any Acquiring 
Person), or, subject to certain limitations, to shorten or lengthen any time 
period under the Rights Agreement.

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

          A copy of the Rights Agreement has been 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 
Corporation. 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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