KEY TECHNOLOGY INC
8-A12G, 1998-06-24
SPECIAL INDUSTRY MACHINERY (NO METALWORKING MACHINERY)
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                       SECURITIES AND EXCHANGE COMMISSION

                              WASHINGTON, DC 20549

                                   ----------

                                    FORM 8-A

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


                              KEY TECHNOLOGY, INC.
             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)



           OREGON                                      93-0822509
   --------------------------------------------------------------------
   (State of incorporation or organization)        (I.R.S. employer
                                                    identification no.)

                 150 AVERY STREET, WALLA WALLA, WASHINGTON 99362
          ------------------------------------------------------------
               (Address of principal executive offices)(Zip Code)


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

                                      NONE


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

                              SHARE PURCHASE RIGHTS
          ------------------------------------------------------------
                                (Title of Class)


<PAGE>

ITEM 1.  DESCRIPTION OF SECURITIES TO BE REGISTERED

Pursuant to a Rights Agreement dated as of June 20, 1998 (the "Rights
Agreement") between Key Technology, Inc. (the "Company") and ChaseMellon
Shareholder Services, L.L.C., as Rights Agent (the "Rights Agent"), the
Company's Board of Directors has declared a dividend of one right ("Right") to
purchase one one-thousandth of a share of the Company's Series A Junior
Participating Preferred Stock, par value $.01 per share ("Series A Junior
Participating Preferred Stock"), for each outstanding share of Common Stock, par
value $.01 per share ("Common Stock"), of the Company. The dividend is payable
to shareholders of record as of the close of business on June 30, 1998 (the
"Record Date"). Each Right entitles the registered holder to purchase from the
Company one one-one thousandth of a share of Series A Junior Participating
Preferred Stock at an exercise price of $45.00, subject to adjustment (the
"Purchase Price").

The following summary of the principal terms of the Rights Agreement is a
general description only and is subject to the detailed terms and conditions of
the Rights Agreement. A copy of the Rights Agreement is attached as Exhibit 4.1
to this Registration Statement and is incorporated herein by reference. A copy
of the Rights Agreement is also available free of charge from the Rights Agent.

RIGHTS EVIDENCED BY COMMON STOCK CERTIFICATES

The Rights will not be exercisable until the Distribution Date (defined
below). Prior to the Distribution Date, certificates for the Rights ("Rights
Certificates") will not be sent to shareholders and the Rights will attach to
and trade only together with the Common Stock. Accordingly, Common Stock
certificates outstanding on the Record Date will evidence the Rights related
thereto, and Common Stock certificates issued after the Record Date will contain
a notation incorporating the Rights Agreement by reference. Until the
Distribution Date (or earlier redemption or expiration of the Rights), the
surrender or transfer of any certificates for Common Stock, outstanding as of
the Record Date, even without notation thereon, will also constitute the
surrender or transfer of the Rights associated with the Common Stock represented
by such certificate.

DISTRIBUTION DATE

The Rights will separate from the Common Stock, Rights Certificates will be
issued and the Rights will become exercisable upon the earlier of: (i) the close
of business on the tenth business day following a public announcement that a
person or group of affiliated or associated persons who are not affiliated with
the Company or any subsidiary (such person or group being an "Acquiring Person")
has acquired, obtained the right to acquire, or otherwise obtained beneficial
ownership of 15% or more of the then outstanding shares of Common Stock ("Stock
Acquisition Date"), or (ii) the close of business on the tenth business day
following the commencement of, or the announcement of an intent to commence, a
tender or exchange offer that would result in a person or group becoming an
Acquiring Person (such person or group upon the consummation of such offer
becoming an "Acquiring Person") or (iii) the close of business on the tenth

<PAGE>

business day after the Board of Directors determines that a person is an Adverse
Person (as defined below). The earlier to occur of such events is the
"Distribution Date."

An "Adverse Person" is any person that, alone or together with its affiliates
and associates, has become the beneficial owner of a number of shares of Common
Stock which the Board of Directors determines to be substantial (at least 10% of
the outstanding shares of Common Stock), and with respect to whom the Board
determines, after reasonable inquiry and investigation, including consultation
with such persons as they deem appropriate and consideration of such factors as
are permitted by applicable law, that (A) such beneficial ownership is intended
to cause the Company to repurchase shares of Common Stock owned by such person,
or to cause pressure on the Company to take action or enter into a transaction
intended to provide such person with short-term financial gain under
circumstances where the Board determines that the best long-term interests of
the Company would not be served by taking such action or entering into such
transaction, or (B) such beneficial ownership is causing or reasonably likely to
cause a material adverse impact, (including but not limited to impairment of
relationships with customers or of the Company's ability to maintain its
competitive position) on the business or prospects of the Company.

ISSUANCE OF RIGHTS CERTIFICATES; EXPIRATION OF RIGHTS

As soon as practicable following the Distribution Date, separate Rights
Certificates will be mailed to holders of record of the Common Stock as of the
close of business on the Distribution Date and such separate Rights Certificates
alone will evidence the Rights from and after the Distribution Date. All Common
Stock issued prior to the Distribution Date will be issued with Rights. The
Rights will expire on the earlier of (i) November 14, 2007 (the "Final
Expiration Date") and (ii) redemption or exchange of the Rights as described
below.

INITIAL EXERCISE OF THE RIGHTS

Following the Distribution Date, and until one of the further events
described below, each Right will entitle its holder to receive, upon exercise
and the payment of the Purchase Price, one one-thousandth of a share of the
Series A Junior Participating Preferred Stock. The payment of the Purchase Price
may be made in cash or by certified bank check or bank draft payable to the
order of the Company.

TRIGGERING EVENTS FOR DECREASE IN EXERCISE PRICE; NULLIFICATION OF
CERTAIN RIGHTS

Unless earlier redeemed, in the event that (i) a person or group (other than the
Company, any of its subsidiaries, or any employee benefit plan of the Company)
becomes an Acquiring Person (unless the tender or exchange offer is for all
outstanding shares of Common Stock at a price and on terms determined by at
least a majority of the independent directors, after receiving advice from one
or more investment banking firms, to be (A) at a price which is fair to
shareholders (taking into account all factors which such directors deem relevant
including, without limitation, prices which could reasonably be achieved if the
Company or its assets were sold on an orderly basis designed to realize maximum
value) and (B) otherwise in the best interests of the Company and its

<PAGE>

shareholders (a "Qualifying Offer")), or (ii) the Board has determined the
existence of an Adverse Person (either of such events being a "Triggering
Event"), then, in each such case, each holder of a Right shall have the right to
receive, upon exercise and payment of the Purchase Price, the number of shares
of the Company's Common Stock (or, in certain circumstances, cash, property or
other securities of the Company) purchasable for the Purchase Price at a price
of 50% of the current market value of such shares. Notwithstanding any of the
foregoing, following the occurrence of one of the foregoing events, all Rights
that are, or (under certain circumstances specified in the Rights Agreement)
were, beneficially owned by an Acquiring Person or an Adverse Person will be
null and void.

RIGHT TO BUY ACQUIRING COMPANY STOCK

Similarly, unless the Rights are earlier redeemed, in the event that,
after the Stock Acquisition Date, (i) the Company is acquired in a merger or
other business combination transaction (other than a Subsidiary), or (ii) 50% or
more of the Company's assets or earning power are sold (any of such events also
being a "Triggering Event"), proper provision will be made so that each holder
of a Right which has not theretofore been exercised (other than Rights
beneficially owned by the Acquiring Person, which will thereafter be void) will
thereafter have the right to receive, upon exercise and payment of the Purchase
Price, the number of shares of common stock of the Acquiring Person purchasable
for the Purchase Price at a price of 50% of the current market value of such
shares. Notwithstanding the above, the Agreement provides that no Triggering
Event will be deemed to have occurred if (i) the transaction is consummated with
a person who acquired shares of Common Stock pursuant to a Qualifying Offer,
(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 acquire shares of Common Stock
pursuant to the tender or exchange offer, and (iii) the form of consideration
being offered is the same as the form paid pursuant to such tender offer or
exchange offer.

OPTIONAL EXCHANGE OF RIGHTS

At any time after any person becomes an Acquiring Person or is determined to be
an Adverse Person, the Board of Directors of the Company may exchange the Rights
(other than Rights owned by such person which have become void), in whole or in
part, at an exchange ratio of one share of Common Stock per Right (subject to
adjustment). The Company, at its option, may substitute shares of Series A
Junior Participating Preferred Stock at the initial rate of one one-thousandth
of a share of Series A Junior Participating Preferred Stock for each share of
Common Stock, subject to adjustment as provided in the Rights Agreement.
Notwithstanding the foregoing, the Board of Directors of the Company will not
have the power to effect an exchange of the Rights at any time after any person
becomes the beneficial owner of 50% or more of the Company's Common Stock then
outstanding.

REDEMPTION OF RIGHTS

The Rights are redeemable at $.01 per Right (the "Redemption Price"), subject to
adjustment, by a majority of the independent directors of the Board, payable, at
the election of such majority of independent directors, in cash or shares of

<PAGE>

Common Stock, at any time prior to the earlier of (i) the close of business on
the tenth day after the Stock Acquisition Date, or (ii) the close of business on
the expiration date. The Board may not redeem any Rights following a
determination that a person is an Adverse Person. The Company may pay the
redemption in cash, shares of Common Stock or other form of consideration deemed
appropriate by the Board of Directors. Immediately upon any redemption of the
Rights, the right to exercise the Rights will become a right to receive the
Redemption Price. Unless earlier redeemed, the Rights will expire on the Final
Expiration Date.

ADJUSTMENTS TO PREVENT DILUTION

The Purchase Price payable, the number of Rights, and the number of
shares of Series A Junior Participating Preferred Stock or Common Stock or other
securities issuable upon exercise of the Rights are subject to adjustment from
time to time in connection with dilutive issuances by the Company as set forth
in the Rights Agreement.

CASH PAID INSTEAD OF ISSUING FRACTIONAL SHARES

No fractional portion of a share of Common Stock will be issued upon exercise of
a Right, and in lieu thereof, an adjustment in cash will be made based on the
market price of the Common Stock on the last trading date prior to the date of
exercise.

NO SHAREHOLDERS' RIGHTS PRIOR TO EXERCISE

Until a Right is exercised, the holder thereof, as such, will have no rights as
a shareholder of the Company (other than any rights resulting from such holder's
ownership of Common Stock), including, without limitation, the right to vote or
to receive dividends.

AMENDMENT OF RIGHTS AGREEMENT

Other than those provisions relating to the rights, duties and obligations of
the Rights Agent, any of the provisions of the Rights Agreement may be
supplemented or amended by the Board of Directors in any manner prior to the
close of business on 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 correct or supplement any defective
or inconsistent provisions, to shorten or lengthen any time periods, or to make
changes which do not adversely affect the interests of holders of Rights
(excluding the interests of any Acquiring Person), or to shorten or lengthen any
time period under the Rights Agreement; PROVIDED, HOWEVER, that no amendment
shall be made to lengthen (i) the time period governing redemptions at such time
as the Rights are not redeemable, or (ii) to adjust any other time period unless
such lengthening is for the purpose of protecting, enhancing or clarifying the
rights of the holders of Rights. Prior to the Distribution Date, the interests
of the holders of Rights shall be the interests of holders of Common Stock of
the Company.
<PAGE>

RIGHTS AND PREFERENCES OF THE SERIES A JUNIOR PARTICIPATING PREFERRED STOCK

Series A Junior Participating Preferred Stock purchasable upon exercise of the
Rights will not be redeemable. Each share of Series A Junior Participating
Preferred Stock will be entitled to an aggregate quarterly dividend of the
greater of (a)$0.01 or (b) 1,000 times the aggregate per share amount for all
cash dividends, and 1,000 times the aggregate per share amount (payable in kind)
of all non-cash dividends or other distributions payable in shares of Common
Stock, declared on the Common Stock. Each share of Series A Junior Participating
Preferred Stock will have 1,000 votes, voting together with the Common Stock. If
at any time dividends on the Series A Junior Participating Preferred Stock shall
be in arrears in an amount equal to six quarterly dividends, then until all the
dividends are paid, the holders of Preferred Stock will have the right to elect
two directors to the Board of Directors of the Company.

In the event of liquidation, the holders of the Series A Junior Participating
Preferred Stock will receive the higher of (a) $0.01 per share plus all accrued
but unpaid dividends, or (b) an aggregate amount per share equal to 1,000 times
the per share amount to be distributed to the holders of the Common Stock after
certain adjustments. In the event of any merger, consolidation or other
transaction in which the Common Stock is changed or exchanged, each share of
Series A Junior Participating Preferred Stock will be entitled to receive 1,000
times the amount received per share of Common Stock.

All of the above-enumerated rights are protected by customary anti-dilution
provisions. Because of the nature of the dividend, liquidation and voting rights
of the shares of Series A Junior Participating Preferred Stock, the value of the
one one-thousandth interest in a share of Series A Junior Participating
Preferred Stock purchasable upon exercise of each Right should approximate the
value of one share of Common Stock.

CERTAIN ANTI-TAKEOVER EFFECTS

The Rights have certain anti-takeover effects. The Rights will cause substantial
dilution to a person or group that attempts to acquire the Company 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 Company prior to the
time that a person has acquired, or obtained the right to acquire, beneficial
ownership of 15% or more of the Common Stock, because until such time the Rights
may be redeemed by the Company at $0.01 per Right.

The Rights are not intended to prevent a takeover of the Company and will not do
so. The Rights may be redeemed by the Company at $0.01 per Right within 10
business days (or such later date as may be determined by a majority of the
Board of Directors) after the accumulation of 15% or more of the Company's stock
by a single acquirer or group. In addition, the Rights do not become exercisable
in the event of an accumulation exempted by the Board of Directors. Accordingly,
the Rights should not interfere with any merger or business combination approved
by the Board of Directors.

The issuance of the Rights does not affect the financial condition or business
plans of the Company. The issuance of the Rights has no dilutive effect, will

<PAGE>

not affect reported earnings per share, should not be taxable to the Company or
to its shareholders, and will not change the way in which the Company's stock is
presently traded.

However, the Rights may have the effect of rendering more difficult or
discouraging an acquisition of the Company deemed coercive and undesirable by
the Board of Directors. The Rights may cause substantial dilution to a person or
group that attempts to acquire the Company on terms or in a manner
not approved by the Company's Board of Directors except pursuant to an offer
conditioned upon the negation, purchase or redemption of the Rights.



ITEM 2.   EXHIBITS

         4.1    Rights Agreement, dated as of June 20, 1998, between Registrant
                and  ChaseMellon Shareholder Services, L.L.C. including the
                Articles of Amendment creating the Series A Junior Participating
                Preferred Stock of the Registrant and the form of Rights
                Certificate attached thereto as Exhibits A and B, respectively.



<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.


                                            KEY TECHNOLOGY, INC.


Date:  June 12, 1998                By: /s/ Thomas C. Madsen
                                       --------------------------------
                                        Thomas C. Madsen
                                        President and Chief Executive Officer


<PAGE>

                                 EXHIBIT INDEX


Exhibit
No.            Exhibit
- -------        -------
4.1            Rights Agreement, dated as of June 20, 1998, between Key 
               Technology, Inc., and ChaseMellon Shareholder Services, L.L.C.
               including the Articles of Amendment creating the Series A Junior 
               Participating Preferred Stock of Key Technology, Inc. and the 
               form of Rights Certificate attached thereto as Exhibits A and B
               respectively.




                              KEY TECHNOLOGY, INC.
                             (an Oregon corporation)



                                       and



                    CHASEMELLON SHAREHOLDER SERVICES, L.L.C.
                                  Rights Agent











                                Rights Agreement

                            Dated as of June 20, 1998









<PAGE>



                                TABLE OF CONTENTS


Section                                                                  Page


1.            Certain Definitions                                          1

2.            Appointment of Rights Agent                                  5

3.            Issue of Rights Certificates                                 5

4.            Form of Rights Certificates                                  6

5.            Countersignature and Registration                            7

6.            Transfer, Split Up, Combination and Exchange of Rights
              Certificates; Mutilated, Destroyed, Lost or Stolen
              Rights Certificates                                          8

7.            Exercise of Rights; Purchase Price; Expiration Date
              of Rights                                                    9

8.            Cancellation and Destruction of Rights Certificates         11

9.            Reservation and Availability of Capital Stock               11

10.           Preferred Stock Record Date                                 13

11.           Adjustment of Purchase Price, Number and Kind of
              Shares or Number of Rights                                  13

12.           Certificate of Adjusted Purchase Price or Number of
              Shares                                                      21

13.           Consolidation, Merger or Sale or Transfer
              of Assets or Earning Power                                  22

14.           Fractional Rights and Fractional Shares                     24

15.           Rights of Action                                            25

16.           Agreement of Rights Holders                                 26

17.           Rights Holder and Rights Certificate Holder Not
              Deemed a Shareholder                                        26
<PAGE>

18.           Concerning the Rights Agent                                 27

19.           Merger or Consolidation or Change of Name of
              Rights Agent                                                27

20.           Duties of Rights Agent                                      28

21.           Change of Rights Agent                                      30

22.           Issuance of New Rights Certificates                         31

23.           Redemption and Termination                                  31

24.           Exchange                                                    32

25.           Notice of Certain Events                                    33

26.           Notices                                                     34

27.           Supplements and Amendments                                  35

28.           Successors                                                  35

29.           Determinations and Actions by the Board of
              Directors, Etc.                                             35

30.           Benefits of This Agreement                                  36

31.           Severability                                                36

32.           Governing Law                                               36

33.           Counterparts                                                37

34.           Descriptive Headings                                        37

Exhibit A     --    Designation of Terms of Series A Junior
                      Participating Preferred Stock

Exhibit B     --    Form of Rights Certificate


<PAGE>


                                              TABLE OF DEFINED TERMS

<TABLE>
<CAPTION>


Term Defined                                  Section       Term Defined                                  Section
- ------------                                  -------       ------------                                  -------
<S>                                             <C>         <C>                                                <C>  
Acquiring Person.................................1(a)       Expiration Date..................................7(a)
Adjustment Shares...........................11(a)(ii)       Final Expiration Date............................7(a)
Adverse Person...................................1(b)       Nasdaq.......................................11(d)(i)
Affiliate........................................1(c)       Original Rights..................................1(d)
Agreement.......................................Intro       Person...........................................1(h)
Associate........................................1(c)       Preferred Stock......................Intro; 11(a)(ii)
Beneficial Owner; beneficially own...............1(d)       Principal Party.................................13(b)
Board of Directors..............................Intro       Purchase Price........................1(j); 11(a)(ii)
Business Day.....................................1(e)       Qualifying Offer.........................11(a)(ii)(A)
Close of Business................................1(f)       Record Date.....................................Intro
Common Stock...............................Intro;1(g)       Redemption Date..................................7(a)
Common Stock Equivalents...................11(a)(iii)       Redemption Price................................23(a)
Company (Key Technology, Inc.)..................Intro       Restated Articles of Incorporation.........11(a)(iii)
Company (following a                                        Rights..........................................Intro
Section 13 Event)...............................13(a)       Rights Agent....................................Intro
Current Value..............................11(a)(iii)       Rights Certificates..............................3(a)
Distribution Date................................3(a)       Rights Dividend Declaration Date................Intro
equivalent preferred stock......................11(b)       Section 11(a)(ii) Event.....................11(a)(ii)
Exchange Act.....................................1(a)       Section 11(a)(ii) Trigger Date.............11(a)(iii)
Exchange Date....................................7(a)       Section 13 Event................................13(a)
Exchange Ratio..................................24(a)

</TABLE>

<PAGE>



                                RIGHTS AGREEMENT

                  RIGHTS AGREEMENT, dated as of _____________, 1998 (the
"Agreement"), between Key Technology, Inc., an Oregon corporation (the
"Company"), and ChaseMellon Shareholder Services, L.L.C., a New Jersey limited
liability company (the "Rights Agent").

                                            W I T N E S E T H

                  WHEREAS, on May 4, 1998 (the "Rights Dividend Declaration
Date"), the Board of Directors of the Company (the "Board of Directors")
authorized and declared a dividend distribution of one Right for each share of
the Company's common stock, par value $.01 per share (the "Common Stock"),
outstanding at the close of business on June 30, 1998 (the "Record Date"), and
has authorized the issuance of one Right (as such number may hereinafter be
adjusted pursuant to the provisions of Section 11(p) hereof) for each share of
Common Stock of the Company issued between the Record Date and the Distribution
Date, each Right initially representing the right to purchase 1/1,000 of a share
of the Company's Series A Junior Participating Preferred Stock (the "Preferred
Stock") having the rights, powers and preferences set forth in Exhibit A
attached hereto, upon the terms and subject to the conditions hereinafter set
forth (the "Rights");

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

         Section 1.        Certain Definitions.

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

                         (a) "Acquiring Person" shall mean any Person who or
which, together with all Affiliates and Associates of such Person, shall be the
Beneficial Owner of 15% or more of the shares of Common Stock then outstanding,
but shall not include:

                                   (i) the Company;

                                   (ii) any Subsidiary of the Company;

                                   (iii) any employee benefit plan of the
Company or of any Subsidiary of the Company;

                                   (iv) any Person or entity organized,
appointed or established by the Company for or pursuant to the terms of any such
plan; or

                                   (v) any such Person who has reported or is
required to report Beneficial Ownership of 15% or more (but less than 25%) of

<PAGE>

the shares of Common Stock then outstanding on Schedule l3G under the Exchange
Act of 1934, as amended (the "Exchange Act") (or any comparable or successor
report), or on Schedule 13D under the Exchange Act (or any comparable or
successor report) which Schedule 13D does not state any intention to or reserve
the right to control or influence the management or policies of the Company or
engage in any of the actions specified in Item 4 of such Schedule (other than
the disposition of the Common Stock) and, within 10 Business Days of being
requested by the Company to advise it regarding the same, certifies to the
Company that such Person acquired shares of Common Stock in excess of l4.9%
inadvertently or without knowledge of the terms of the Rights or consequences of
such Beneficial Ownership under this Agreement and who, together with all
Affiliates and Associates, thereafter does not acquire additional shares of
Common Stock while the Beneficial Owner of 15% or more of the shares of Common
Stock then outstanding; provided, however, that if the Person requested to so
certify fails to do so within 10 Business Days, then such Person shall become an
Acquiring Person immediately after such 10 Business Day Period.

Notwithstanding the foregoing, no Person shall become an "Acquiring Person"
solely as the result of an acquisition of Common Stock by the Company which, by
reducing the number of shares outstanding, increases the proportionate number of
shares beneficially owned by a Person to l5% or more of the Common Stock of the
Company then outstanding as determined above; provided, however, that if a
Person becomes the Beneficial Owner of l5% or more of the Common Stock of the
Company then outstanding (as determined above) solely by reason of acquisitions
of Common Stock by the Company and shall, after such acquisitions by the
Company, become the Beneficial Owner of any additional shares of Common Stock by
any means whatsoever, then such Person shall be deemed to be an "Acquiring
Person." Any determination made by the Board of Directors as to whether any
Person is or is not an "Acquiring Person" shall be conclusive and binding upon
all holders of Rights.

                         (b) "Adverse Person" shall mean any Person declared to
be an Adverse Person by the Board of Directors upon determination that the
criteria set forth in Section 11(a)(ii)(B) apply to such Person; provided,
however, that the Board of Directors shall not declare any Person who is the
Beneficial Owner of 10% or more of the outstanding Common Stock of the Company
to be an Adverse Person if such Person has reported or is required to report
such ownership on Schedule 13G under the Exchange Act (or any comparable or
successor report) or on Schedule 13D under the Exchange Act (or any comparable
or successor report) which Schedule 13D does not state any intention to or
reserve the right to control or influence the management or policies of the
Company or engage in any of the actions specified in Item 4 of such Schedule
(other than the disposition of the Common Stock) so long as such Person neither
reports nor is required to report such ownership other than as described in this
paragraph (b).

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

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

                                   (i) which such Person or any of such Person's
Affiliates or Associates, directly or indirectly, has the right to acquire
(whether such right is exercisable immediately or only after the passage of
time) pursuant to any agreement, arrangement or understanding (whether or not in
writing) or upon the exercise of conversion rights, exchange rights, rights,
warrants or options, or otherwise; provided, however, that a Person shall not be
deemed the "Beneficial Owner" of, or to "beneficially own:" (A) securities
tendered pursuant to a tender or exchange offer made by such Person or any of
such Person's Affiliates or Associates until such tendered securities are
accepted for purchase or exchange; or (B) securities issuable upon exercise of
Rights at any time prior to the occurrence of a Triggering Event; or (C)
securities issuable upon exercise of Rights from and after the occurrence of a
Triggering Event which Rights were acquired by such Person or any of such
Person's Affiliates or Associates prior to the Distribution Date or pursuant to
Section 3(a) or Section 22 hereof (the "Original Rights") or pursuant to Section
11(i) hereof in connection with an adjustment made with respect to any Original
Rights;

                                   (ii) which such Person or any of such
Person's Affiliates or Associates, directly or indirectly, has the right to vote
or dispose of or has "beneficial ownership" of (as determined pursuant to Rule
13d-3 of the General Rules and Regulations under the Exchange Act, as in effect
on the date of this Agreement), including pursuant to any agreement, arrangement
or understanding, whether or not in writing; provided, however, that a Person
shall not be deemed the "Beneficial Owner" of, or to "beneficially own," any
security under this subparagraph (ii) as a result of an agreement, arrangement
or understanding to vote such security if such agreement, arrangement or
understanding: (A) arises solely from a revocable proxy given in response to a
public proxy or consent solicitation made pursuant to, and in accordance with,
the applicable provisions of the General Rules and Regulations under the
Exchange Act, and (B) is not also then reportable by such Person on Schedule 13D
under the Exchange Act (or any comparable or successor report); or

                                   (iii) which are beneficially owned, directly
or indirectly, by any other Person (or an Affiliate or Associate thereof) with
which such Person (or any of such Person's Affiliates or Associates) has any
agreement, arrangement or understanding (whether or not in writing), for the
purpose of acquiring, holding, voting (except pursuant to a revocable proxy as
described in the proviso to subparagraph (ii) of this paragraph (c)) or
disposing of any voting securities of the Company; provided, however, that
nothing in this paragraph (c) shall cause a person engaged in business as an
underwriter of securities to be the "Beneficial Owner" of, or to "beneficially
own," any securities acquired through such person's participation in good faith
in a firm commitment underwriting until the expiration of 40 days after the date
of such acquisition.

                         (e) "Business Day" shall mean any day other than a
Saturday, Sunday or a day on which banking institutions in the state of Oregon
are authorized or obligated by law or executive order to close.
<PAGE>

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

                         (g) "Common Stock" shall mean the common stock, par
value $.01 per share, of the Company, except that "Common Stock" when used with
reference to any Person other than the Company shall mean the capital stock of
such Person with the greatest voting power, or the equity securities or other
equity interest having power to control or direct the management, of such
Person.

                         (h) "Person" shall mean any individual, firm,
corporation, partnership, limited liability company or other entity.

                         (i) "Preferred Stock" shall mean shares of Series A
Junior Participating Preferred Stock of the Company, and, to the extent that
there is not a sufficient number of shares of Series A Junior Participating
Preferred Stock authorized to permit the full exercise of the Rights, any other
series of Preferred Stock of the Company designated for such purpose containing
terms substantially similar to the terms of the Series A Junior Participating
Preferred Stock.

                         (j) "Purchase Price" shall mean the price to be paid
for each 1/1,000 of a share of Preferred Stock pursuant to the exercise of a
Right, which price is, as of the date hereof, as set forth in Section 7(b)
hereof. The Purchase Price is subject to adjustment from time to time as set
forth in Sections 11 and 13 hereof.

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

                         (l) "Section 13 Event" shall mean any event described
in clauses (i),(ii) or (iii) of Section 13(a) hereof.

                         (m) "Stock Acquisition Date" shall mean the first date
of public announcement (which, for purposes of this definition, shall include,
without limitation, a report filed pursuant to Section 13(d) under the Exchange
Act) by the Company or an Acquiring Person that an Acquiring Person has become
such.

                         (n) "Subsidiary" shall mean, with reference to any
Person, any corporation of which an amount of voting securities sufficient to
elect at least a majority of the directors of such corporation is beneficially
owned, directly or indirectly, by such Person, or otherwise controlled by such
Person.

                         (o) "Triggering Event" shall mean any Section 11(a)(ii)
Event or any Section 13 Event.
<PAGE>

         Section 2.        Appointment of Rights Agent.

                  The Company hereby appoints the Rights Agent to act as agent
for the Company in accordance with the terms and conditions hereof, and the
Rights Agent hereby accepts such appointment. The Company may from time to time
appoint such Co-Rights Agents as it may deem necessary or desirable. The Rights
Agent shall in no way be held responsible for the actions of any such Co-Rights
Agent.

         Section 3.        Issue of Rights Certificates.

                         (a) Until the earliest of: (i) the Close of Business on
the tenth Business Day after the Stock Acquisition Date; (ii) the Close of
Business on the tenth Business Day (or such later date as the Board of Directors
shall determine) after the date that a tender or exchange offer by any Person
(other than the Company, any Subsidiary of the Company, any employee benefit
plan of the Company or of any Subsidiary of the Company, or any Person or entity
organized, appointed or established by the Company for or pursuant to the terms
of any such plan) is first published or sent or given within the meaning of Rule
14d-2(a) of the General Rules and Regulations under the Exchange Act, as in
effect on the date of this Agreement, if upon consummation thereof, such Person
would be the Beneficial Owner of l5% or more of the shares of Common Stock then
outstanding; or (iii) the Close of Business on the tenth Business Day after the
Board of Directors determines, pursuant to the criteria set forth in Section
11(a)(ii)(B) hereof, that a Person is an Adverse Person (the earliest of (i),
(ii) and (iii) being herein referred to as the "Distribution Date"), then the
following shall apply: (x) the Rights will be evidenced (subject to the
provisions of paragraph (b) of this Section 3) by the certificates for the
Common Stock registered in the names of the holders of the Common Stock (which
certificates for Common Stock shall be deemed also to be certificates for
Rights) and not by separate certificates, and (y) the Rights will be
transferable only in connection with the transfer of the underlying shares of
Common Stock (including a transfer to the Company). As soon as practicable after
the Distribution Date, the Rights Agent will send by first-class, postage
prepaid mail, to each holder of the Common Stock as of the Close of Business on
the Distribution Date, at the address of such holder shown on the records of the
Company, one or more right certificates, in substantially the form of Exhibit B
hereto (the "Rights Certificates"), evidencing one Right for each share of
Common Stock so held, subject to adjustment as provided herein. In the event
that an adjustment in the number of Rights per share of Common Stock has been
made pursuant to Section 11(p) hereof, at the time of distribution of the Rights
Certificates, the Company shall make the necessary and appropriate rounding
adjustments (in accordance with Section 14(a) hereof) so that Rights
Certificates representing only whole numbers of Rights are distributed and cash
is paid in lieu of any fractional Rights. As of and after the Distribution Date,
the Rights will be evidenced solely by such Rights Certificates.

                         (b) With respect to certificates for the shares of
Common Stock outstanding as of the Record Date, until the Distribution Date, the
Rights will be evidenced by such certificates for the Common Stock and the
registered holders of the Common Stock shall also be the registered holders of
the associated Rights. Until the earlier of the Distribution Date or the
Expiration Date (as such term is defined in Section 7 hereof), the transfer of
any certificates representing shares of Common Stock in respect of which Rights
have been issued shall also constitute the transfer of the Rights associated
with such shares of Common Stock.
<PAGE>

                         (c) Rights shall be issued in respect of all shares of
Common Stock which are issued (whether originally issued or from the Company's
treasury) after the Record Date but prior to the earlier of the Distribution
Date or the Expiration Date or in certain circumstances provided in Section 22
hereof, after the Distribution Date. Certificates representing such shares of
Common Stock shall also be deemed 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 the Rights Agreement between
                  Key Technology, Inc. (the "Corporation") and ChaseMellon
                  Shareholder Services, L.L.C. (the "Rights Agent"), dated as of
                  June 20, 1998, as amended from time to time (the "Rights
                  Agreement"), the terms of which are hereby incorporated herein
                  by reference and a copy of which is on file at the principal
                  offices of the 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. The Corporation will mail to
                  the holder of this certificate a copy of the Rights Agreement,
                  as in effect on the date of mailing, without charge promptly
                  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 Adverse Person or any Affiliate or Associate
                  thereof (as such terms are defined in the Rights Agreement),
                  whether currently held by or on behalf of such Person or by
                  any subsequent holder, may become null and void.

With respect to certificates containing the foregoing legend, until the earlier
of (i) the Distribution Date or (ii) the Expiration Date, the Rights associated
with the Common Stock represented by such certificates shall be evidenced by
such certificates alone and registered holders of Common Stock shall also be the
registered holders of the associated Rights, and the transfer of any of such
certificates shall also constitute the transfer of the Rights associated with
the Common Stock represented by such certificates.

         Section 4.        Form of Rights Certificates.

                         (a) The Rights Certificates (and the forms of election
to purchase and of assignment to be printed on the reverse thereof), when, as
and if issued, shall each be substantially in the form set forth in Exhibit B
hereto and may have such marks of identification or designation and such
legends, summaries or endorsements printed thereon as the Company may deem
appropriate and as are not inconsistent with the provisions of this Agreement,
or as may be required to comply with any applicable law or with any rule or
regulation made pursuant thereto or with any rule or regulation of any stock

<PAGE>

exchange or transaction reporting system on which the Rights may from time to
time be listed or traded, or to conform to usage. Subject to the provisions of
Sections 11 and 22 hereof, the Rights Certificates, whenever issued, which are
issued in respect of Common Stock which was issued and outstanding as of the
Close of Business on the Distribution Date, shall be dated as of the
Distribution Date, and on their face shall entitle the holders thereof to
purchase such number of 1/1,000s of a share of Preferred Stock as shall be set
forth therein at the price set forth therein (such exercise price per 1/1,000 of
a share, the "Purchase Price"), but the amount and type of securities
purchasable upon the exercise of each Right and the Purchase Price thereof shall
be subject to adjustment as provided herein.

                         (b) Any Rights Certificate issued pursuant to Section
3(a) or 22 hereof that represents Rights beneficially owned by: (i) an Acquiring
Person or Adverse Person or any Associate or Affiliate of an Acquiring Person or
Adverse Person; (ii) a transferee of an Acquiring Person or Adverse Person (or
of any such Associate or Affiliate) who becomes a transferee after the Acquiring
Person or Adverse Person becomes such; or (iii) a transferee of an Acquiring
Person or Adverse Person (or of any such Associate or Affiliate) who becomes a
transferee prior to or concurrently with the Acquiring Person or Adverse Person
becoming such and receives such Rights pursuant to either (A) a transfer
(whether or not for consideration) from the Acquiring Person or Adverse Person
to holders of equity interests in such Acquiring Person or Adverse Person or to
any Person with whom such Acquiring Person or Adverse Person has any continuing
agreement, arrangement or understanding regarding the transferred Rights or (B)
a transfer which the Board of Directors of the Company has determined is part of
a plan, arrangement or understanding which has as a primary purpose or effect
avoidance of Section 7(e) hereof, and any Rights Certificate issued pursuant to
Section 6 or 11 hereof upon transfer, exchange, replacement or adjustment of any
other Rights Certificate referred to in this sentence, shall contain (to the
extent feasible) the following legend:

                  The Rights represented by this Rights Certificate are or were
                  beneficially owned by a Person who was or became an Acquiring
                  Person or Adverse Person or an Affiliate or Associate of an
                  Acquiring Person or Adverse Person (as such terms are defined
                  in the Rights Agreement). Accordingly, this Rights Certificate
                  and the Rights represented hereby may become null and void in
                  the circumstances specified in Section 7(e) of such Agreement.

         Section 5.        Countersignature and Registration.

                         (a) The Rights Certificates shall be executed on behalf
of the Company by its Chairman of the Board, its President or any Vice
President, manually or by facsimile signature, and shall have affixed thereto
the Company's seal or a facsimile thereof which shall be attested by the
Secretary or an Assistant Secretary of the Company, either manually or by
facsimile signature. The Rights Certificates shall be countersigned by the
Rights Agent, either manually or by facsimile signature, and shall not be valid
for any purpose unless so countersigned. In case any officer of the Company who
shall have signed any of the Rights Certificates shall cease to be such officer

<PAGE>

of the Company before countersignature by the Rights Agent and issuance and
delivery by the Company, such Rights Certificates, nevertheless, may be
countersigned by the Rights Agent and issued and delivered by the Company with
the same force and effect as though the person who signed such Rights
Certificates had not ceased to be such officer of the Company; and any Rights
Certificates may be signed on behalf of the Company by any person who, at the
actual date of the execution of such Rights Certificate, shall be a proper
officer of the Company to sign such Rights Certificate, although at the date of
the execution of this Rights Agreement any such person was not such an officer.

                         (b) Following the Distribution Date, the Rights Agent
will keep or cause to be kept, at its principal office or offices designated as
the appropriate place for surrender of Rights Certificates upon exercise or
transfer, books for registration and transfer of the Rights Certificates issued
hereunder. Such books shall show the names and addresses of the respective
holders of the Rights Certificates, the number of Rights evidenced on its face
by each of the Rights Certificates and the date of each of the Rights
Certificates.

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

                         (a) Subject to the provisions of Sections 4(b), 7(e)
and l4 hereof, at any time after the Close of Business on the Distribution Date,
and at or prior to the Close of Business on the Expiration Date, any Rights
Certificate (other than a Rights Certificate representing Rights that have been
exchanged pursuant to Section 24 hereof) may be transferred, split up, combined
or exchanged for another Rights Certificate, entitling the registered holder to
purchase a like number of 1/1,000s of a share of Preferred Stock (or, following
a Triggering Event, Common Stock, other securities, cash or other assets, as the
case may be) as the Rights Certificate 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 Rights Certificate or
Certificates shall make such request in writing delivered to the Rights Agent,
and shall surrender the Rights Certificate to be transferred, split up, combined
or exchanged at the principal office or offices of the Rights Agent designated
for such purpose. Neither the Rights Agent nor the Company shall be obligated to
take any action whatsoever with respect to the transfer of any such surrendered
Rights Certificate until the registered holder shall have completed and signed
the certificate contained in the form of assignment on the reverse side of such
Rights 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 Company or Rights Agent shall reasonably request.
Thereupon the Rights Agent shall, subject to Sections 4(b), 7(e), 14 and 24
hereof, countersign and deliver to the Person entitled thereto a Rights
Certificate or Rights Certificates, as the case may be, as so requested. The
Company may require payment of a sum sufficient to cover any tax or governmental
charge that may be imposed in connection with any transfer, split up,
combination or exchange of Rights Certificates.

                         (b) Upon receipt by the Company and the Rights Agent of
evidence reasonably satisfactory to them of the loss, theft, destruction or
mutilation of a Rights Certificate, and, in case of loss, theft or destruction,
of indemnity or security reasonably satisfactory to them, and reimbursement to

<PAGE>

the Company and the Rights Agent of all reasonable expenses incidental thereto,
and upon surrender to the Rights Agent and cancellation of the Rights
Certificate if mutilated, the Company will execute and deliver a new Rights
Certificate of like tenor to the Rights Agent for countersignature and delivery
to the registered owner in lieu of the Rights Certificate so lost, stolen,
destroyed or mutilated.

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

                         (a) Subject to Section 7(e) hereof, the registered
holder of any Rights Certificate may exercise the Rights evidenced thereby
(except as otherwise provided herein including, without limitation, the
restrictions on exercisability set forth in Sections 9(c), 11(a)(iii) and 23(a)
hereof) in whole or in part at any time after the Distribution Date upon
surrender of the Rights Certificate, with the form of election to purchase and
the certificate on the reverse side thereof duly executed, to the Rights Agent
at the principal office or offices of the Rights Agent designated for such
purpose, together with payment of the aggregate Purchase Price with respect to
the total number of 1/1,000s of a share (or other securities, cash or other
assets, as the case may be) as to which such surrendered Rights are then
exercisable, at or prior to the earliest of: (i) the Close of Business on
November 14, 2007 (the "Final Expiration Date"); (ii) the time at which the
Rights are redeemed (the "Redemption Date"), as provided in Section 23 hereof;
or (iii) the time at which such Rights are exchanged (the "Exchange Date"), as
provided in Section 24 hereof (the earliest of (i), (ii) and (iii) being herein
referred to as the "Expiration Date").

                         (b) The Purchase Price for each 1/1,000 of a share of
Preferred Stock pursuant to the exercise of a Right shall initially be $45, and
shall be subject to adjustment from time to time as provided in Sections 11 and
13(a) hereof and shall be payable in accordance with paragraph (c) below.

                         (c) Upon receipt of a Rights Certificate representing
exercisable Rights, with the form of election to purchase and the certificate
duly executed, accompanied by payment, with respect to each Right so exercised,
of the Purchase Price per 1/1,000 of a share of Preferred Stock (or other
shares, securities, cash or other assets, as the case may be) to be purchased as
set forth below and an amount equal to any applicable transfer tax, the Rights
Agent shall, subject to Section 20(k) hereof, thereupon promptly: (i)(A)
requisition from any transfer agent of the shares of Preferred Stock (or make
available, if the Rights Agent is the transfer agent for such shares)
certificates for the total number of 1/1,000s of a share of Preferred Stock to
be purchased and the Company hereby irrevocably authorizes its transfer agent to
comply with all such requests, or (B) if the Company shall have elected to
deposit the total number of shares of Preferred Stock issuable upon exercise of
the Rights hereunder with a depository agent, requisition from the depository
agent depository receipts representing such number of 1/1,000s of a share of
Preferred Stock as are to be purchased (in which case certificates for the
shares of Preferred Stock represented by such receipts shall be deposited by the
transfer agent with the depository agent) and the Company will direct the
depository agent to comply with such request; (ii) requisition from the Company
the amount of cash, if any, to be paid in lieu of fractional shares in
accordance with Section 14 hereof; (iii) after receipt of such certificates or

<PAGE>

depository receipts, cause the same to be delivered to or upon the order of the
registered holder of such Rights Certificate, registered in such name or names
as may be designated by such holder; and (iv) after receipt thereof, deliver
such cash, if any, to or upon the order of the registered holder of such Rights
Certificate. The payment of the Purchase Price (as such amount may be adjusted
pursuant to Section 11(a)(iii) hereof) shall be made in cash or by certified
bank check or bank draft payable to the order of the Company. In the event that
the Company is obligated to issue other securities (including Common Stock) of
the Company, pay cash and/or distribute other property pursuant to Section 11(a)
hereof, the Company will make all arrangements necessary so that such other
securities, cash and/or other property are available for distribution by the
Rights Agent, if and when appropriate. The Company reserves the right to require
prior to the occurrence of a Triggering Event that, upon any exercise of Rights,
a number of Rights be exercised so that only whole shares of Preferred Stock
would be issued. Notwithstanding the foregoing provisions of this Section 7(c),
the Company may suspend the issuance of Preferred Stock upon exercise of Rights
for a reasonable period, not in excess of 90 days, during which the Company
seeks to register under the Securities Act of 1933, as amended (the "Securities
Act"), and any applicable securities law of any jurisdiction, the Preferred
Stock to be issued pursuant to the Rights; provided, however, that nothing
contained in this Section 7(c) shall relieve the Company of its obligations
under Section 9(c) hereof.

                         (d) In case the registered holder of any Rights
Certificate shall exercise less than all the Rights evidenced thereby, a new
Rights Certificate evidencing Rights equivalent to the Rights remaining
unexercised shall be issued by the Rights Agent and delivered to, or upon the
order of, the registered holder of such Rights Certificate, registered in such
name or names as may be designated by such holder, subject to the provisions of
Section 14 hereof.

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

<PAGE>

make any determination with respect to an Acquiring Person or Adverse Person or
any of their respective Affiliates, Associates or transferees hereunder.

                         (f) Notwithstanding anything in this Agreement to the
contrary, neither the Rights Agent nor the Company 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) completed and signed the certificate contained in the
form of election to purchase set forth on the reverse side of the Rights
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 Company or Rights Agent shall reasonably
request.

         Section 8.        Cancellation and Destruction of Rights Certificates.

                  All Rights Certificates surrendered for the purpose of
exercise, transfer, split up, combination or exchange shall, if surrendered to
the Company or 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 Rights Certificates shall be issued in lieu thereof
except as expressly permitted by any provision of this Agreement. The Company
shall deliver to the Rights Agent for cancellation and retirement, and the
Rights Agent shall so cancel and retire, any other Rights Certificate purchased
or acquired by the Company otherwise than upon the exercise thereof. The Rights
Agent shall deliver all cancelled Rights Certificates to the Company or shall,
at the written request of the Company, destroy such cancelled Rights
Certificates, and in such case shall deliver a certificate of destruction
thereof to the Company.

         Section 9.        Reservation and Availability of Capital Stock.

                         (a) The Company covenants and agrees that it will cause
to be reserved and kept available out of its authorized and unissued shares of
Preferred Stock (and, following the occurrence of a Triggering Event, out of its
authorized and unissued shares of Common Stock and/or other securities or out of
its authorized and issued shares held in its treasury), the number of shares of
Preferred Stock (and, following the occurrence of a Triggering Event, Common
Stock and/or other securities) that, as provided in this Agreement including
Section 11(a)(iii) hereof, will be sufficient to permit the exercise in full of
all outstanding Rights.

                         (b) So long as the shares of Preferred Stock (and,
following the occurrence of a Triggering Event, Common Stock and/or other
securities) issuable and deliverable upon the exercise of the Rights may be
listed on any national securities exchange or included for quotation on any
transaction reporting system, the Company shall use its best efforts to cause,
from and after such time as the Rights become exercisable (but only to the
extent that it is reasonably likely that the Rights will be exercised), all
shares reserved for such issuance to be listed on such exchange or included for
quotation on such transaction reporting system upon official notice of issuance
upon such exercise.
<PAGE>

                         (c) The Company shall use its best efforts to: (i)
file, as soon as practicable following the earliest date after the first
occurrence of a Section 11(a)(ii) Event on which the consideration to be
delivered by the Company upon exercise of the Rights has been determined in
accordance with Section 11(a)(iii) hereof, a registration statement under the
Securities 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 Securities Act) until the earlier of (A) the
date as of which the Rights are no longer exercisable for such securities, and
(B) the date of the expiration of the Rights. The Company will also take such
action as may be appropriate under, or to ensure compliance with, the securities
or "blue sky" laws of the various states in connection with the exercisability
of the Rights. The Company may temporarily suspend, for a period of time not to
exceed 90 days after the date set forth in clause (i) of the first sentence of
this Section 9(c), the exercisability of the Rights in order to prepare and file
such registration statement and permit it to become effective. Upon any such
suspension, the Company shall issue a public announcement stating that the
exercisability of the Rights has been temporarily suspended, as well as a public
announcement at such time as the suspension is no longer in effect. In addition,
if the Company shall determine that a registration statement is required
following the Distribution Date, the Company may temporarily suspend the
exercisability of the Rights until such time as a registration statement has
been declared effective. Notwithstanding any provision of this Agreement to the
contrary, the Rights shall not be exercisable in any jurisdiction if the
requisite qualification in such jurisdiction shall not have been obtained, the
exercise thereof shall not be permitted under applicable law or a registration
statement shall not have been declared effective.

                         (d) The Company covenants and agrees that it will take
all such action as may be necessary to ensure that all 1/1,000s of a share of
Preferred Stock (and, following the occurrence of a Triggering Event, Common
Stock and/or other securities) delivered upon exercise of Rights shall, at the
time of delivery of the certificates for such shares (subject to payment of the
Purchase Price), be duly and validly authorized and issued and fully paid and
nonassessable.

                         (e) The Company further covenants and agrees that it
will pay when due and payable any and all federal and state transfer taxes and
charges which may be payable in respect of the issuance or delivery of the
Rights Certificates and of any certificates for a number of 1/1,000s of a share
of Preferred Stock (or Common Stock and/or other securities, as the case may be)
upon the exercise of Rights. The Company shall not, however, be required to pay
any transfer tax which may be payable in respect of any transfer or delivery of
Rights Certificates to a Person other than, or the issuance or delivery of a
number of 1/1,000s of a share of Preferred Stock (or Common Stock and/or other
securities, as the case may be) in respect of a name other than that of, the
registered holder of the Rights Certificates evidencing Rights surrendered for
exercise or to issue or deliver any certificates for a number of 1/1,000s of a
share of Preferred Stock (or Common Stock and/or other securities, as the case
may be) in a name other than that of the registered holder upon the exercise of
any Rights until such tax shall have been paid (any such tax being payable by
the holder of such Rights Certificate at the time of surrender) or until it has
been established to the Company's satisfaction that no such tax is due.
<PAGE>

         Section 10.       Preferred Stock Record Date.

                  Each Person in whose name any certificate for a number of
1/1,000s of a share of Preferred Stock (or for 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 Preferred
Stock (or 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 Rights
Certificate evidencing such Rights was duly surrendered and payment of the
Purchase Price (and all applicable transfer taxes) was made; provided, however,
that if the date of such surrender and payment is a date upon which the
Preferred Stock (or Common Stock and/or other securities, as the case may be)
transfer books of the Company are closed, such Person shall be deemed to have
become the record holder of such shares (fractional or otherwise) on, and such
certificate shall be dated, the next succeeding Business Day on which the
Preferred Stock (or Common Stock and/or other securities, as the case may be)
transfer books of the Company are open. Prior to the exercise of the Rights
evidenced thereby, the holder of a Rights Certificate shall not be entitled to
any rights of a shareholder of the Company with respect to shares for which the
Rights shall be exercisable, including, without limitation, the right to vote,
to receive dividends or other distributions or to exercise any preemptive
rights, and shall not be entitled to receive any notice of any proceedings of
the Company, except as provided herein.

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

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

                         (a) (i) In the event the Company shall at any time
after the date of this Agreement (A) declare a dividend on the Preferred Stock
payable in shares of Preferred Stock, (B) subdivide the outstanding Preferred
Stock, (C) combine the outstanding Preferred Stock into a smaller number of
shares, 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 Company is the continuing or surviving
corporation), then and in each such event, except as otherwise provided in this
Section 11(a) and Section 7(e) 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 Preferred Stock or capital stock, as the case may be, issuable on such date,
shall be proportionately adjusted so that the holder of any Right exercised
after such time shall be entitled to receive, upon payment of the Purchase Price
then in effect, the aggregate number and kind of shares of Preferred Stock or
capital stock, as the case may be, which, if such Right had been exercised
immediately prior to such date and at a time when the Preferred Stock transfer
books of the Company were open, he or she would have owned upon such exercise
and been entitled to receive by virtue of such dividend, subdivision,
combination or reclassification. If an event occurs which would require an
adjustment under both this Section 11(a)(i) and Section 11(a)(ii) hereof, the

<PAGE>

adjustment provided for in this Section 11(a)(i) shall be in addition to, and
shall be made prior to, any adjustment required pursuant to Section 11(a)(ii)
hereof.

                                   (ii) In the event that:

                                      (A) any Person (other than the Company,
                    any Subsidiary of the Company, any employee benefit plan of
                    the Company or of any Subsidiary of the Company, or any
                    Person or entity organized, appointed or established by the
                    Company for or pursuant to the terms of any such plan),
                    alone or together with its Affiliates and Associates, shall
                    become an Acquiring Person, unless the event causing the
                    Person to become an Acquiring Person is (l) a transaction
                    set forth in Section 13(a) hereof or (2) an acquisition of
                    shares of Common Stock pursuant to a tender offer or an
                    exchange offer for all outstanding shares of Common Stock at
                    a price and on terms determined by at least a majority of
                    the members of the Board of Directors who are not officers
                    of the Company and who are not representatives, nominees,
                    Affiliates or Associates of an Acquiring Person, after
                    receiving advice from one or more investment banking firms,
                    to be (a) at a price which is fair to shareholders (taking
                    into account all factors which such members of the Board of
                    Directors deem relevant including, without limitation,
                    prices which could reasonably be achieved if the Company or
                    its assets were sold on an orderly basis designed to realize
                    maximum value) and (b) otherwise in the best interests of
                    the Company and its shareholders (a "Qualifying Offer"); or

                                      (B) The Board of Directors of the Company
                    shall declare any Person to be an Adverse Person, upon a
                    determination that such Person, alone or together with its
                    Affiliates and Associates, has, at any time after this
                    Agreement has been filed with the Securities and Exchange
                    Commission as an exhibit to a filing under the Securities
                    Act or Exchange Act, become the Beneficial Owner of a number
                    of shares of Common Stock which the Board of Directors of
                    the Company determines to be substantial (which number of
                    shares shall in no event represent less than l0% of the
                    outstanding shares of Common Stock) and a determination by
                    the Board of Directors of the Company, after reasonable
                    inquiry and investigation, including consultation with such
                    persons as such directors shall deem appropriate and
                    consideration of such factors as are permitted by applicable
                    law, that (a) such Beneficial Ownership by such Person is
                    intended to cause the Company to repurchase the shares of
                    Common Stock beneficially owned by such Person or to cause
                    pressure on the Company to take action or enter into a
                    transaction or series of transactions intended to provide
                    such Person with short-term financial gain under
                    circumstances where the Board of Directors determines that
                    the best long-term interests of the Company would not be
                    served by taking such action or entering into such
                    transaction or series of transactions at the time or (b)
                    such Beneficial Ownership is causing or reasonably likely to
                    cause a material adverse impact (including, but not limited

<PAGE>

                    to, impairment of relationships with customers or impairment
                    of the Company's ability to maintain its competitive
                    position) on the business or prospects of the Company;

then, promptly following the occurrence of any event described in Section
11(a)(ii)(A) or (B) hereof (a "Section 11(a)(ii) Event"), proper provision shall
be made so that each holder of a Right (except as provided below and in Section
7(e) hereof) shall thereafter have the right to receive, upon exercise thereof
at the then current Purchase Price in accordance with the terms of this
Agreement, in lieu of a number of 1/1,000s of a share of Preferred Stock, such
number of shares of Common Stock of the Company as shall equal the result
obtained by (x) multiplying the then current Purchase Price by the then number
of 1/1,000s of a share of Preferred Stock for which a Right was exercisable
immediately prior to the first occurrence of a Section 11(a)(ii) Event, and (y)
dividing that product (which, following such first occurrence, shall thereafter
be referred to as the "Purchase Price" for each Right and for all purposes of
this Agreement) by 50% of the current market price (determined pursuant to
Section 11(d) hereof) per share of Common Stock on the date of such first
occurrence (such number of shares, the "Adjustment Shares").

                                   (iii) In the event that the number of shares
of Common Stock which are authorized by the Company's Restated Articles of
Incorporation, as amended at the time (the "Restated Articles of
Incorporation"), but not outstanding or reserved for issuance for purposes other
than upon exercise of the Rights are not sufficient to permit the exercise in
full of the Rights in accordance with the foregoing subparagraph (ii) of this
Section 11(a), the Company shall: (A) determine the value of the Adjustment
Shares issuable upon the exercise of a Right (the "Current Value"); and (B) with
respect to each Right (subject to Section 7(e) hereof), make adequate provision
to substitute for the Adjustment Shares, upon the exercise of a Right and
payment of the applicable Purchase Price: (l) cash, (2) a reduction in the
Purchase Price, (3) Common Stock or other equity securities of the Company
(including, without limitation, shares, or units of shares, of preferred stock,
such as the Preferred Stock, which the Board has deemed to have essentially the
same value or economic rights as shares of Common Stock (such shares of
preferred stock being referred to as "Common Stock Equivalents")), (4) debt
securities of the Company, (5) other assets, or (6) any combination of the
foregoing, having an aggregate value equal to the Current Value (less the amount
of any reduction in the Purchase Price), where such aggregate value has been
determined by the Board of Directors based upon the advice of a nationally
recognized investment banking firm selected by the Board of Directors; provided,
however, that if the Company shall not have made adequate provision to deliver
value pursuant to clause (B) above within 30 days following the later of (x) the
first occurrence of a Section 11(a)(ii) Event and (y) the date on which the
Company's right of redemption pursuant to Section 23(a) expires (the later of
(x) and (y) being referred to herein as the "Section 11(a)(ii) Trigger Date"),
then the Company shall be obligated to deliver, upon the surrender for exercise
of a Right and without requiring payment of the Purchase Price, shares of Common
Stock (to the extent available) and then, if necessary, cash, which shares
and/or cash have an aggregate value equal to the Spread. For purposes of the
preceding sentence, the term "Spread" shall mean the excess of (i) the Current
Value over (ii) the Purchase Price. If the Board determines in good faith that
it is likely that sufficient additional shares of Common Stock could be
authorized for issuance upon exercise in full of the Rights, the 30-day period
set forth above may be extended to the extent necessary, but not more than 90
days after the Section 11(a)(ii) Trigger Date, in order that the Company may
seek shareholder approval for the authorization of such additional shares (such
30-day period, as it may be extended, is herein called the "Substitution
Period"). To the extent that action is to be taken pursuant to the first and/or
third sentences of this Section 11(a)(iii), the Company (l) shall provide,

<PAGE>

subject to Section 7(e) hereof, that such action shall apply uniformly to all
outstanding Rights, and (2) may suspend the exercisability of the Rights until
the expiration of the Substitution Period in order to seek such shareholder
approval for such authorization of additional shares and/or to decide the
appropriate form of distribution to be made pursuant to such first sentence and
to determine the value thereof. In the event of any such suspension, the Company
shall issue a public announcement stating that the exercisability of the Rights
has been temporarily suspended, as well as a public announcement at such time as
the suspension is no longer in effect. For purposes of this Section 11(a)(iii),
the value of each Adjustment Share shall be the Current Market Price per share
of the Common Stock on the Section 11(a)(ii) Trigger Date and the per-share or
per-unit value of any Common Stock Equivalent shall be deemed to equal the
Current Market Price per share of the Common Stock on such date.

                         (b) In case the Company 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 to subscribe for or purchase (for a period
expiring within 45 calendar days after such record date) Preferred Stock (or
shares having the same rights, privileges as the shares of Preferred Stock
("equivalent preferred stock")) or securities convertible into Preferred Stock
or equivalent preferred stock at a price per share of Preferred Stock or per
share of equivalent preferred stock (or having a conversion price per share, if
a security convertible into Preferred Stock or equivalent preferred stock) less
than the Current Market Price (as determined pursuant to Section 11(d) hereof)
per share of Preferred Stock 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 which 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 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). In case such subscription price may
be paid by delivery of consideration part or all of which may be in a form other
than cash, the value of such consideration shall be as determined in good faith
by the Board of Directors of the Company, whose determination shall be described
in a statement filed with the Rights Agent and shall be binding on the Rights
Agent and the holders of the Rights. Shares of Preferred Stock owned by or held
for the account of the Company shall not be deemed outstanding for the purpose
of any such computation. Such adjustments shall be made successively whenever
such a record date is fixed, and in the event that such rights or warrants are
not so issued, the Purchase Price shall be adjusted to be the Purchase Price
which would then be in effect if such record date had not been fixed.
<PAGE>

                         (c) In case the Company shall fix a record date for a
distribution to all holders of Preferred Stock (including any such distribution
made in connection with a consolidation or merger in which the Company is the
continuing corporation) of evidences of indebtedness, cash (other than a regular
quarterly cash dividend out of the earnings or retained earnings of the
Company), assets (other than a dividend payable in Preferred Stock, but
including any dividend payable in stock other than Preferred Stock) or
subscription rights or warrants (excluding those referred to in Section 11(b)
hereof), the Purchase Price to be in effect after such record date shall be
determined by multiplying the Purchase Price in effect immediately prior to such
record date by a fraction, the numerator of which shall be the Current Market
Price (as determined pursuant to Section 11(d) hereof) per share of Preferred
Stock on such record date, less the fair market value (as determined in good
faith by the Board of Directors of the Company, whose determination shall be
described in a statement filed with the Rights Agent and shall be binding on the
Rights Agent and the holders of the Rights) of the portion of the cash, assets
or evidences of indebtedness so to be distributed or of such subscription rights
or warrants applicable to a share of Preferred Stock and the denominator of
which shall be such Current Market Price (as determined pursuant to Section
11(d) hereof) per share of Preferred Stock. 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 be adjusted to be the
Purchase Price which would have been in effect if such record date had not been
fixed.

                         (d) (i) For the purpose of any computation hereunder,
other than computations made pursuant to Section 11(a)(iii) hereof, the Current
Market Price per share of Common Stock on any date shall be deemed to be the
average of the daily closing prices per share of such Common Stock for the 30
consecutive Trading Days immediately prior to such date, and for purposes of
computations made pursuant to Section 11(a)(iii) hereof, the Current Market
Price per share of Common Stock on any date shall be deemed to be the average of
the daily closing prices per share of such Common Stock for the 10 consecutive
Trading Days immediately following such date; provided, however, that in the
event that the Current Market Price per share of the Common Stock is determined
during a period following the announcement by the issuer of such Common Stock of
(A) a dividend or distribution on such Common Stock payable in shares of such
Common Stock or securities convertible into shares of such Common Stock (other
than the Rights), or (B) any subdivision, combination or reclassification of
such Common Stock, and the ex-dividend date for such dividend or distribution,
or the record date for such subdivision, combination or reclassification shall
not have occurred prior to the commencement of the requisite 30 Trading Day or
10 Trading Day period, as set forth above, then, and in each such case, the
Current Market Price shall be properly adjusted to take into account ex-dividend
trading or the subdivision, combination or reclassification, as the case may be.
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 principal national securities exchange on which the
shares of Common Stock are listed or admitted to trading or, if the shares of
Common Stock 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, as reported by the National Association of Securities
Dealers, Inc. Automated Quotation System ("Nasdaq") or such other system then in

<PAGE>

use, or, if on any such date the shares of Common Stock 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 Common Stock selected by
the Board of Directors of the Company. If on any such date no market maker is
making a market in the Common Stock, the fair va1ue of the Common Stock on such
date as determined in good faith by the Board of Directors shall be used. The
term "Trading Day" shall mean a day on which the principal national securities
exchange or principal transaction reporting system on which the shares of Common
Stock are listed or admitted to trading is open for the transaction of business
or, if the shares of Common Stock are not listed or admitted to trading on any
national securities exchange or transaction reporting system, a Business Day. If
the Common Stock is not publicly held or not so listed or traded, Current Market
Price per share shall mean the fair value per share as determined in good faith
by the Board of Directors, whose determination shall be described in a statement
filed with the Rights Agent and shall be conclusive for all purposes.

                                   (ii) For the purpose of any computation
hereunder, the Current Market Price per share (or per 1/1,000 of a share) of
Preferred Stock shall be determined in the same manner as set forth above for
the Common Stock in clause (i) of this Section 11(d) (other than the last
sentence thereof). If the Current Market Price per share of Preferred Stock
cannot be determined in the manner provided above or if the Preferred Stock is
not publicly held or listed or traded in a manner described in clause (i) of
this Section 11(d), the Current Market Price per share of Preferred Stock shall
be conclusively deemed to be an amount equal to 1,000 (as such number may be
appropriately adjusted for such events as stock splits, stock dividends,
combinations, reclassifications, recapitalizations and similar transactions with
respect to the Common Stock occurring after the date of this Agreement)
multiplied by the Current Market Price per share of the Common Stock. If neither
the Common Stock nor the Preferred Stock is publicly held or so listed or
traded, Current Market Price per share of the Preferred Stock shall mean the
fair value per share as determined in good faith by the Board of Directors,
whose determination shall be described in a statement filed with the Rights
Agent and shall be conclusive for all purposes.

                         (e) 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 which by reason of this Section 11(e) are not
required to be made shall be carried forward and taken into account in any
subsequent adjustment. All calculations under this Section 11 shall be made to
the nearest cent or to the nearest 1/10,000 of a share of Common Stock or other
share or 1/1,000,000 of a share of Preferred Stock, as the case may be.

                         (f) If, as a result of an adjustment made pursuant to
Section 11(a)(ii) or Section 13(a) hereof, the holder of any Right thereafter
exercised shall become entitled to receive any shares of capital stock other
than Preferred Stock, thereafter the number of such other shares so receivable
upon exercise of any Right and the Purchase Price thereof 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

<PAGE>

this Section 11, and the provisions of Sections 7, 9, 10, 13 and 14 hereof with
respect to the Preferred Stock shall apply on like terms to any such other
shares.

                         (g) All Rights originally issued by the Company
subsequent to any adjustment made to the Purchase Price hereunder shall evidence
the right to purchase, at the adjusted Purchase Price, the number of 1/1,000s 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.

                         (h) Unless the Company shall have exercised its
election as provided in Section 11(i), upon each adjustment of the Purchase
Price as a result of the calculations made in Sections 11(b) and (c), each Right
outstanding immediately prior to the making of such adjustment shall thereafter
evidence the right to purchase, at the adjusted Purchase Price, that number of
1/1,000s of a share of Preferred Stock (calculated to the nearest 1/1,000,000)
obtained by (i) multiplying (x) the number of 1/1,000s of a share covered by a
Right immediately prior to this adjustment, by (y) the Purchase Price in effect
immediately prior to such adjustment of the Purchase Price, and (ii) dividing
the product so obtained by the Purchase Price in effect immediately after such
adjustment of the Purchase Price.

                         (i) The Company may elect on or after the date of any
adjustment of the Purchase Price to adjust the number of Rights, in lieu of any
adjustment in the number of 1/1,000s of a share of Preferred Stock purchasable
upon the exercise of a Right. Each of the Rights outstanding after the
adjustment in the number of Rights shall be exercisable for the number of
1/1,000s 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 1/10,000) obtained by dividing the Purchase Price in
effect immediately prior to adjustment of the Purchase Price by the Purchase
Price in effect immediately after adjustment of the Purchase Price. The Company
shall make a public announcement of its election to adjust the number of Rights,
indicating the record date for the adjustment, and, if known at the time, the
amount of the adjustment to be made. This record date may be the date on which
the Purchase Price is adjusted or any day thereafter, but, if the Rights
Certificates have been issued, shall be at least 10 days later than the date of
the public announcement. If Rights Certificates have been issued, upon each
adjustment of the number of Rights pursuant to this Section 11(i), the Company
shall, as promptly as practicable, cause to be distributed to holders of record
of Rights Certificates on such record date Rights Certificates evidencing,
subject to Section 14 hereof, the additional Rights to which such holders shall
be entitled as a result of such adjustment, or, at the option of the Company,
shall cause to be distributed to such holders of record in substitution and
replacement for the Rights Certificates held by such holders prior to the date
of adjustment, and upon surrender thereof, if required by the Company, new
Rights Certificates evidencing all the Rights to which such holders shall be
entitled after such adjustment. Rights Certificates so to be distributed shall
be issued, executed and countersigned in the manner provided for herein (and may
bear, at the option of the Company, the adjusted Purchase Price) and shall be
registered in the names of the holders of record of Rights Certificates on the
record date specified in the public announcement.
<PAGE>

                         (j) Irrespective of any adjustment or change in the
Purchase Price or the number of 1/1,000s of a share of Preferred Stock issuable
upon the exercise of the Rights, the Rights Certificates theretofore and
thereafter issued may continue to express the Purchase Price per 1/1,000 of a
share and the number of 1/1,000s of a share which were expressed in the initial
Rights Certificates issued hereunder.

                         (k) Before taking any action that would cause an
adjustment reducing the Purchase Price below the then stated value, if any, of
the number of 1/1,000s of a share of Preferred Stock issuable upon exercise of
the Rights, the Company shall take any corporate action which may, in the
opinion of its counsel, be necessary in order that the Company may validly and
legally issue fully paid and nonassessable such number of 1/1,000s of a share of
Preferred Stock at such adjusted Purchase Price.

                         (l) In any case in which this Section 11 shall require
that an adjustment in the Purchase Price be made effective as of a record date
for a specified event, the Company may elect to defer until the occurrence of
such event the issuance to the holder of any Right exercised after such record
date the number of 1/1,000s of a share of Preferred Stock and other capital
stock or securities of the Company, if any, issuable upon such exercise over and
above the number of 1/1,000s of a share of Preferred Stock and other capital
stock or securities of the Company, if any, issuable upon such exercise on the
basis of the Purchase Price in effect prior to such adjustment; provided,
however, that the Company shall deliver to such holder a due bill or other
appropriate instrument evidencing such holder's right to receive such additional
shares (fractional or otherwise) or securities upon the occurrence of the event
requiring such adjustment.

                         (m) Anything in this Section 11 to the contrary
notwithstanding, the Company shall be entitled to make such further adjustments
in the number of 1/1,000s of a share of Preferred Stock which may be acquired
upon exercise of the Rights, and such adjustments in the Purchase Price, in
addition to those adjustments expressly required by this Section 11, as and to
the extent that in its good faith judgment the Board of Directors of the Company
shall determine to be advisable in order that any (i) consolidation or
subdivision of the Preferred Stock, (ii) issuance wholly for cash of any shares
of Preferred Stock at less than the current market price, (iii) issuance wholly
for cash of shares of Preferred Stock or securities which by their terms are
convertible into or exchangeable for shares of Preferred Stock, (iv) stock
dividends or (v) issuance of rights, options or warrants referred to in this
Section 11, hereafter made by the Company to holders of its Preferred Stock
shall not be taxable to such shareholders or shall reduce the taxes payable by
such holders.

                         (n) The Company 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 Company in a transaction which complies with
Section 11(o) hereof), (ii) merge with or into any other Person (other than a
Subsidiary of the Company in a transaction which complies with Section 11(o)
hereof), or (iii) sell or transfer (or permit any Subsidiary to sell or
transfer), in one transaction, or a series of related transactions, assets or
earning power aggregating more than 50% of the assets or earning power of the
Company and its Subsidiaries (taken as a whole) to any other Person or Persons

<PAGE>

(other than the Company and/or any of its Subsidiaries in one or more
transactions each of which complies with Section 11(o) hereof), if (x) at the
time of or immediately after such consolidation, merger or sale there are any
rights, warrants or other instruments or securities outstanding or agreements in
effect which would substantially diminish or otherwise eliminate the benefits
intended to be afforded by the Rights or (y) prior to, simultaneously with or
immediately after such consolidation, merger or sale, the shareholders of the
Person who constitutes, or would constitute, the "Principal Party" for purposes
of Section 13(a) hereof shall have received a distribution of Rights previously
owned by such Person or any of its Affiliates and Associates; provided, however,
that this Section 11(n) shall not affect the ability of any Subsidiary of the
Company to consolidate with, merge with or into, or sell or transfer assets or
earning power to, any other Subsidiary of the Company.

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

                         (p) Anything in this Agreement to the contrary
notwithstanding, in the event that the Company shall at any time after the
Rights Dividend Declaration Date and prior to the Distribution Date (i) declare
a dividend on the outstanding shares of Common Stock payable in shares of Common
Stock, (ii) subdivide the outstanding shares of Stock, or (iii) combine the
outstanding shares of Common Stock into a smaller number of shares, the number
of Rights associated with each share of Common Stock then outstanding, or issued
or delivered thereafter but prior to the Distribution Date, shall be
proportionately adjusted so that the number of Rights thereafter associated with
each share of Common Stock following any such event shall equal the result
obtained by multiplying the number of Rights associated with each share of
Common Stock immediately prior to such event by a fraction the numerator 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.

                         (q) The failure of the Board of Directors of the
Company to declare a Person to be an Adverse Person following such Person
becoming the Beneficial Owner of shares of Common Stock representing 10% or more
of the outstanding shares of Common Stock shall not imply that such Person is
not an Adverse Person or limit the Board of Directors' right at any time in the
future to declare such Person to be an Adverse Person.

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

                  Whenever an adjustment is made as provided in Sections 11 and
13 hereof, the Company shall: (a) promptly prepare a certificate setting forth
such adjustment and a brief statement of the facts accounting for such
adjustment; (b) promptly file with the Rights Agent, and with each transfer
agent for the Preferred Stock and the Common Stock, a copy of such certificate;
and (c) mail a brief summary thereof to each holder of a Rights Certificate (or,
if prior to the Distribution Date, to each holder of a certificate representing

<PAGE>

shares of Common Stock) in accordance with Section 26 hereof. The Rights Agent
shall be fully protected in relying on any such certificate and on any
adjustment therein contained.

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

                         (a) In the event that, following the Stock Acquisition
Date, directly or indirectly, (i) the Company shall consolidate with, or merge
with and into, any other Person (other than a Subsidiary of the Company in a
transaction which complies with Section 11(o) hereof), and the Company shall not
be the continuing or surviving corporation of such consolidation or merger, (ii)
any Person (other than a Subsidiary of the Company in a transaction which
complies with Section 11(o) hereof) shall consolidate with, or merge with or
into, the Company, and the Company shall be the continuing or surviving
corporation of such consolidation or merger and, in connection with such
consolidation or merger, all or part of the outstanding shares of Common Stock
shall be changed into or exchanged for stock or other securities of the Company
or any other Person or cash or any other property, or (iii) the Company 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 Company and its Subsidiaries (taken as a whole) to any Person or Persons
(other than the Company or any Subsidiary of the Company in one or more
transactions each of which complies with Section 11(o) hereof) (any event
described in clauses (i), (ii) or (iii) of this Section 13(a) being a "Section
13 Event"), then, and in each such case (except as may be contemplated by
Section 13(d) hereof), proper provision shall be made so that: (A) each holder
of a Right, except as provided in Section 7(e) hereof, shall thereafter have the
right to receive, upon the exercise thereof at the then current Purchase Price
in accordance with the terms of this Agreement, such number of validly
authorized and issued, fully paid, nonassessable and freely tradable shares of
Common Stock of the Principal Party (as such term is hereinafter defined), not
subject to any liens, encumbrances, rights of first refusal or other adverse
claims, as shall be equal to the result obtained by (1) multiplying the then
current Purchase Price by the number of 1/1,000s of a share of Preferred Stock
for which a Right is exercisable immediately prior to the first occurrence of a
Section 13 Event (or, if a Section 11(a)(ii) Event has occurred prior to the
first occurrence of a Section 13 Event, multiplying the number of such 1/1,000s
of a share for which a Right was exercisable immediately prior to the first
occurrence of such Section 11(a)(ii) Event by the Purchase Price in effect
immediately prior to such first occurrence), and dividing that product (which,
following the first occurrence of a Section 13 Event, shall be referred to as
the "Purchase Price" for each Right and for all purposes of this Agreement) by
(2) 50% of the Current Market Price (determined pursuant to Section 11(d)(i)
hereof) per share of the Common Stock of such Principal Party on the date of
consummation of such Section 13 Event; (B) 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 Company pursuant to this Agreement; (C) the term
"Company" shall thereafter be deemed to refer to such Principal Party, it being
specifically intended that the provisions of Section 11 hereof apply only to
such Principal Party following the first occurrence of a Section 13 Event; (D)
such Principal Party shall take such steps (including, but not limited to, the
reservation of a sufficient number of shares of its Common Stock) in connection

<PAGE>

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 its shares of Common Stock thereafter deliverable upon
the exercise of the Rights; and (E) the provisions of Section 11(a)(ii) hereof
shall be of no effect following the first occurrence of any Section 13 Event.

                         (b) "Principal Party" shall mean

                                   (i) in the case of any transaction described
          in clause (i) or (ii) of the first sentence of Section 13(a) hereof,
          the Person that is the issuer of any securities into which shares of
          Common Stock of the Company are converted in such merger or
          consolidation, and if no securities are so issued, the Person that is
          the other party to such consolidation or merger; and

                                   (ii) in the case of any transaction described
          in clause (iii) of the first sentence of Section 13(a) hereof, the
          Person that is the party receiving the largest portion of the assets
          or earning power transferred pursuant to such transaction or
          transactions;

provided, however, that in any such case, (1) if the Common Stock of such Person
is not at such time and has not been continuously over the preceding 12-month
period registered under Section 12 of the Exchange Act, and such Person is a
direct or indirect Subsidiary of another Person the Common Stock of which is and
has been so registered, "Principal Party" shall refer to such other Person; and
(2) in case such Person is a Subsidiary, directly or indirectly, of more than
one Person, the Common Stocks 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.

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

                                   (i) prepare and file a registration statement
          under the Securities 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 Securities Act) until the Expiration
          Date, and similarly comply with applicable state securities laws;
<PAGE>

                                   (ii) use its best efforts to list (or
          continue the listing of) the Rights and the securities purchasable
          upon exercise of the Rights on a national securities exchange or to
          meet the eligibility requirements for quotation on Nasdaq or such
          other system then in use; and

                                   (iii) will deliver to holders of the Rights
          historical financial statements for the Principal Party and each of
          its Affiliates which comply in all respects with the requirements for
          registration on Form 10 (or any successor form) under the Exchange
          Act.

The provisions of this Section 13 shall similarly apply to successive
consolidations, mergers, sales or other transfers. In the event that a Section
13 Event shall occur at any time after the occurrence of a Section 11(a)(ii)
Event, the Rights which have not theretofore been exercised shall thereafter
become exercisable in the manner described in Section 13(a).

                         (d) Notwithstanding anything in this Agreement to the
contrary, Section 13 shall not be applicable to a transaction described in
subparagraphs (i) and (ii) of Section 13(a) if: (i) such transaction is
consummated with a Person or Persons who acquired shares of Common Stock
pursuant to a Qualifying 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
tender offer or exchange offer; and (iii) the form of consideration being
offered to the remaining holders of shares of Common Stock pursuant to such
transaction is the same as the form of consideration paid pursuant to such
tender offer or exchange offer. Upon consummation of any such transaction
contemplated by this Section 13(d), all Rights hereunder shall expire.

         Section 14.       Fractional Rights and Fractional Shares.

                         (a) The Company shall not be required to issue
fractions of Rights, except prior to the Distribution Date as provided in
Section 11(p) hereof, or to distribute Rights Certificates which evidence
fractional Rights (i.e., Rights to acquire less than 1/1,000 of a share of
Preferred Stock). In lieu of such fractional Rights, there shall be paid to the
registered holders of the Rights 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 purposes of this
Section 14(a), the current market value of a whole Right shall be the closing
price of the Rights for the Trading Day immediately prior to the date on which
such fractional Rights would have been otherwise issuable. The closing price of
the Rights 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 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, as reported by Nasdaq

<PAGE>

or such other system then in use or, if on any such date the Rights are not
quoted by any such organization, the average of the closing bid and asked prices
as furnished by a professional market maker making a market in the Rights
selected by the Board of Directors of the Company. If on any such date no such
market maker is making a market in the Rights, the fair value of the Rights on
such date as determined in good faith by the Board of Directors of the Company
shall be used.

                         (b) The Company shall not be required to issue
fractions of shares of Preferred Stock (other than fractions which are integral
multiples of 1/1,000 of a share of Preferred Stock) upon exercise of the Rights
or to distribute certificates which evidence fractional shares of Preferred
Stock (other than fractions which are integral multiples of 1/1,000 of a share
of Preferred Stock). In lieu of fractional shares of Preferred Stock that are
not integral multiples of 1/1,000 of a share of Preferred Stock, the Company may
pay to the registered holders of Rights 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 1/1,000 of a share of Preferred Stock. For purposes of
this Section 14(b), the current market value of 1/1,000 of a share of Preferred
Stock shall be 1/1,000 of the closing price of a share of Preferred Stock (as
determined pursuant to Section 11(d)(ii) hereof) for the Trading Day immediately
prior to the date of such exercise.

                         (c) Following the occurrence of a Triggering Event, the
Company shall not be required to issue fractions of shares of Common Stock upon
exercise of the Rights or to distribute certificates which evidence fractional
shares of Common Stock. In lieu of fractional shares of Common Stock, the
Company may pay to the registered holders of Rights 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 Common Stock. For purposes
of this Section 14(c), the current market value of one share of Common Stock
shall be the closing price of one share of Common Stock (as determined pursuant
to Section 11(d)(i) hereof) for the Trading Day immediately prior to the date of
such exercise.

                         (d) The holder of a Right by the acceptance of the
Rights expressly waives his or her right to receive any fractional Rights or any
fractional shares upon exercise of a Right, except as permitted by this Section
14.

         Section 15.       Rights of Action.

                  All rights of action in respect of this Agreement are vested
in the respective registered holders of the Rights Certificates (and, prior to
the Distribution Date, the registered holders of the Common Stock); and any
registered holder of any Rights Certificate (or, prior to the Distribution Date,
of the Common Stock), without the consent of the Rights Agent or of the holder
of any other Rights Certificate (or, prior to the Distribution Date, of the
Common Stock), may, in his or her own behalf and for his or her own benefit,
enforce, and may institute and maintain any suit, action or proceeding against
the Company to enforce, or otherwise act in respect of, his or her right to
exercise the Rights evidenced by such Rights Certificate in the manner provided
in such Rights Certificate and in this Agreement. Without limiting the foregoing

<PAGE>

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 shall be entitled to specific performance
of the obligations hereunder and injunctive relief against actual or threatened
violations of the obligations hereunder of any Person subject to this Agreement.

         Section 16.       Agreement of Rights Holders.

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

                         (a) prior to the Distribution Date, the Rights will be
evidenced by the certificates for shares of Common Stock registered in the name
of the holders of the Common Stock (which certificates for Common Stock shall
also constitute certificates for Rights) and each Right will be transferable
only in connection with the transfer of Common Stock;

                         (b) after the Distribution Date, the Rights
Certificates are transferable only on the registry books of the Rights Agent if
surrendered at the principal office or offices of the Rights Agent designated
for such purposes, duly endorsed or accompanied by a proper instrument of
transfer and with the appropriate forms and certificates fully executed;

                         (c) subject to Sections 6(a) and 7(f) hereof, the
Company and the Rights Agent may deem and treat the Person in whose name a
Rights 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
Rights Certificates or the associated Common Stock certificate made by anyone
other than the Company or the Rights Agent) for all purposes whatsoever, and
neither the Company nor the Rights Agent, subject to the last sentence of
Section 7(e) hereof, shall be required to be affected by any notice to the
contrary; and

                         (d) notwithstanding anything in this Agreement to the
contrary, neither the Company nor the Rights Agent shall have any liability to
any holder of 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 or ruling 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, the Company must use its best
efforts to have any such order, decree or ruling lifted or otherwise overturned
as soon as possible.

         Section 17.       Rights Holder and Rights Certificate Holder No
                           Deemed a Shareholder.

                  No holder, as such, of any Right or Rights Certificate shall
be entitled to vote, receive dividends or be deemed for any purpose the holder
of the number of 1/1,000s of a share of Preferred Stock or any other securities
of the Company which may at any time be issuable on the exercise of the Rights

<PAGE>

represented thereby, nor shall anything contained herein or in any Rights
Certificate be construed to confer upon the holder of any Right or Rights
Certificate, as such, any of the rights of a shareholder of the Company or any
right to vote for the election of directors or upon any matter submitted to
shareholders at any meeting thereof, or to give or withhold consent to any
corporate action, or to receive notice of meetings or other actions affecting
shareholders (except as provided in Section 25 hereof), or to receive dividends
or subscription rights, or otherwise, until the Right or Rights evidenced by
such Rights Certificate shall have been exercised in accordance with the
provisions hereof.

         Section 18.       Concerning the Rights Agent.

                         (a) The Company agrees to pay to the Rights Agent
reasonable compensation for all services rendered by it hereunder and, from time
to time, on demand of the Rights Agent, its reasonable expenses and attorney
fees and disbursements and other disbursements incurred in the administration
and execution of this Agreement and the exercise and performance of its duties
hereunder. The Company also agrees to indemnify the Rights Agent for, and to
hold it harmless against, any loss, liability or expense, incurred without
negligence, bad faith or willful misconduct on the part of the Rights Agent, for
anything done or omitted by the Rights Agent in connection with the acceptance
and administration of this Agreement, including the costs and expenses of
defending against any claim of liability arising therefrom. Anything to the
contrary notwithstanding, in no event shall the Rights Agent be liable for
special, indirect, consequential or incidental 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.

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

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

                         (a) Any corporation into which the Rights Agent or any
successor Rights Agent may be merged or with which it may be consolidated, or
any corporation resulting from any merger or consolidation to which the Rights
Agent or any successor Rights Agent shall be a party, or any corporation
succeeding to the corporate trust or 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 either of the parties hereto; provided, however, that such
corporation would be eligible for appointment as a successor Rights Agent under
the provisions of Section 21 hereof. If at the time such successor Rights Agent
shall succeed to the agency created by this Agreement, any of the Rights
Certificates shall have been countersigned but not delivered, any such successor

<PAGE>

Rights Agent may adopt the countersignature of a predecessor Rights Agent and
deliver such Rights Certificates so countersigned; and if at that time any of
the Rights Certificates shall not have been countersigned, any successor Rights
Agent may countersign such Rights Certificates either in the name of the
predecessor or in the name of the successor Rights Agent; and in all such cases
such Rights Certificates shall have the full force provided in the Rights
Certificates and in this Agreement.

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

         Section 20.       Duties of Rights Agent.

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

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

                         (b) Whenever in the performance of its duties under
this Agreement the Rights Agent shall deem it necessary or desirable that any
fact or matter (including, without limitation, the identity of any Acquiring
Person or Adverse Person and the determination of "current market price") be
proved or established by the Company prior to taking or suffering any action
hereunder, such fact or matter (unless other evidence in respect thereof be
herein specifically prescribed) may be deemed to be conclusively proved and
established by a certificate signed by the Chairman of the Board, the President,
any Vice President, the Chief Financial Officer or the Secretary of the Company
and delivered to the Rights Agent; and such certificate shall be full
authorization to the Rights Agent for any action taken or suffered in good faith
by it under the provisions of this Agreement in reliance upon such certificate.

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

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

                         (e) The Rights Agent shall not be under any
responsibility in respect of the validity of this Agreement or the execution and
delivery hereof (except the due execution hereof by the Rights Agent) or in
respect of the validity or execution of any Rights Certificate (except its
countersignature thereof); nor shall it be responsible for any breach by the
Company of any covenant or condition contained in this Agreement or in any
Rights Certificate; nor shall it be responsible for any change in the
exercisability of the Rights (including the Rights becoming void pursuant to
Section 7(e) hereof); nor shall it be responsible for any adjustment required
under the provisions of Section 11, 13 or 24 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 Rights Certificates after actual notice
of any such adjustment or change in exercisability); 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 Common Stock or Preferred Stock to
be issued pursuant to this Agreement or any Rights Certificate or as to whether
any shares of Common Stock or Preferred Stock will, when so issued, be validly
authorized and issued, fully paid and nonassessable.

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

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

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

                         (i) The Rights Agent may execute and exercise any of
the rights or powers hereby vested in it or perform any duty hereunder either
itself or by or through its attorneys or agents, and the Rights Agent shall not
be answerab1e or accountable for any act, default, neglect or misconduct of any
such attorneys or agents or for any loss to the Company resulting from any such
act, default, neglect or misconduct; provided, however, reasonable care was
exercised in the selection and continued employment thereof.


<PAGE>

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

                         (k) If, with respect to any Rights Certificate
surrendered to the Rights Agent for exercise or transfer, the certificate
attached to the form of assignment or form of election to purchase, as the case
may be, has either not been completed or indicates an affirmative response to
clause l and/or 2 thereof, the Rights Agent shall not take any further action
with respect to such requested exercise of transfer without first consulting
with the Company.

         Section 21.       Change of Rights Agent.

                  The Rights Agent or any successor Rights Agent may resign and
be discharged from its duties under this Agreement upon 30 days' notice in
writing mailed to the Company and to each transfer agent of the Common Stock and
Preferred Stock, by registered or certified mail, and to the holders of the
Rights Certificates by first-class mail. The Company may remove the Rights Agent
or any successor Rights Agent upon 30 days' notice in writing, mailed to the
Rights Agent or successor Rights Agent, as the case may be, and to each transfer
agent of the Common Stock and Preferred Stock, by registered or certified mail,
and to the holders of the Rights Certificates by first-class mail. If the Rights
Agent shall resign or be removed or shall otherwise become incapable of acting,
the Company shall appoint a successor to the Rights Agent. If the Company shall
fail to make such appointment within a period of 30 days after giving notice of
such removal or after it has been notified in writing of such resignation or
incapacity by the resigning or incapacitated Rights Agent or by the holder of a
Rights Certificate (who shall, with such notice, submit his or her Rights
Certificate for inspection by the Company), then any registered holder of any
Rights Certificate may apply to any court of competent jurisdiction for the
appointment of a new Rights Agent. Any successor Rights Agent, whether appointed
by the Company or by such a court, shall be either (a) a corporation organized
and doing business under the laws of the United States or any state of the
United States, so long as such corporation is authorized to do business as a
banking institution, is authorized to exercise corporate trust powers, is in
good standing, is subject to supervision or examination by federal or state
authority, and has at the time of its appointment as Rights Agent a combined
capital and surplus of at least $100 million, or (b) an affiliate of such a
corporation. After appointment, the successor Rights Agent shall be vested with
the same powers, rights, duties and responsibilities as if it had been
originally named as Rights Agent without further act or deed; but the
predecessor Rights Agent shall deliver and transfer to the successor Rights
Agent any property at the time held by it hereunder, and execute and deliver any
further assurance, conveyance, act or deed necessary for the purpose. Not later
than the effective date of any such appointment, the Company shall file notice
thereof in writing with the predecessor Rights Agent and each transfer agent of
the Common Stock and the Preferred Stock, and mail a notice thereof in writing

<PAGE>

to the registered holders of the Rights Certificates. Failure to give any notice
provided for in this Section 21, however, or any defect therein, shall not
affect the legality or validity of the resignation or removal of the Rights
Agent or the appointment of the successor Rights Agent, as the case may be.

         Section 22.       Issuance of New Rights Certificates.

                  Notwithstanding any of the provisions of this Agreement or of
the Rights to the contrary, the Company may, at its option, issue new Rights
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 Rights Certificates made in accordance with the provisions of this
Agreement. In addition, in connection with the issuance or sale of shares of
Common Stock following the Distribution Date and prior to the redemption or
expiration of the Rights, the Company (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, granted or awarded as of the
Distribution Date, or upon the exercise, conversion or exchange of securities
hereinafter issued by the Company, and (b) may, in any other case, if deemed
necessary or appropriate by the Board of Directors, issue Rights Certificates
representing the appropriate number of Rights in connection with such issuance
or sale; provided, however, that (i) no such Rights Certificate shall be issued
if, and to the extent that, the Company shall be advised by counsel that such
issuance would create a significant risk of material adverse tax consequences to
the Company or the Person to whom such Rights Certificate would be issued, and
(ii) no such Rights Certificate shall be issued if, and to the extent that,
appropriate adjustment shall otherwise have been made in lieu of the issuance
thereof.

         Section 23.       Redemption and Termination.

                         (a) The Board of Directors of the Company may, at its
option, at any time prior to the earlier of (i) the Close of Business on the
tenth Business Day following the Stock Acquisition Date, or (ii) the Close of
Business on the Final Expiration Date, redeem all, but not less than all, the
then outstanding Rights at a redemption price of $.01 per Right, as such amount
may be appropriately adjusted to reflect any stock split, stock dividend or
similar transaction occurring after the date hereof (such redemption price being
hereinafter referred to as the "Redemption Price"). The Board of Directors may
not redeem any Rights following a determination pursuant to Section 11(a)(ii)(B)
that any Person is an Adverse Person. Notwithstanding anything contained in this
Agreement to the contrary, the Rights shall not be exercisable after the first
occurrence of a Section 11(a)(ii) Event until such time as the Company's right
of redemption hereunder has expired. The Company may, at its option, pay the
Redemption Price in cash, shares of Common Stock (based on the Current Market
Price, as defined in Section 11(d)(i) hereof, of the Common Stock at the time of
redemption) or any other form of consideration deemed appropriate by the Board
of Directors.

                         (b) Immediately upon the action of the Board of
Directors of the Company ordering the redemption of the Rights, evidence of
which shall have been filed with the Rights Agent and without any further action

<PAGE>

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. Promptly after the action of the Board
of Directors ordering the redemption of the Rights, the Company shall give
notice of such redemption to the Rights Agent and the holders of the then
outstanding Rights by mailing such notice to all such holders at each holder's
last address as it appears on 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.

         Section 24.       Exchange.

                         (a) The Board of Directors of the Company may, at its
option, at any time after any Person becomes an Acquiring Person or is
determined to be an Adverse Person pursuant to Section 11(a)(ii)(B), exchange
all or part of the then outstanding and exercisable Rights (which shall not
include Rights that have become void pursuant to the provisions of Section 7(e)
hereof) for shares of Common Stock at an exchange ratio of one share of Common
Stock per Right, appropriately adjusted to reflect any stock split, stock
dividend or similar transaction occurring after the date hereof (such exchange
ratio being hereinafter referred to as the "Exchange Ratio"). Notwithstanding
the foregoing, the Board of Directors of the Company shall not be empowered to
effect such exchange at any time after any Person (other than the Company, any
Subsidiary of the Company, any employee benefit plan of the Company or any such
Subsidiary, or any entity holding Common Stock for or pursuant to the terms of
any such plan), together with all Affiliates and Associates of such Person,
becomes the Beneficial Owner of 50% or more of the Common Stock then
outstanding.

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

                         (c) In any exchange pursuant to this Section 24, the
Company, at its option, may substitute shares of Preferred Stock (or equivalent
preferred stock, as such term is defined in Section 11(b) hereof) for shares of
Common Stock exchangeable for Rights, at the initial rate of 1/1,000 of a share

<PAGE>

of Preferred Stock (or equivalent preferred stock) for each share of Common
Stock, as appropriately adjusted to reflect adjustments in the voting rights of
the Preferred Stock pursuant to Section 3(A) of the rights, powers and
preferences attached hereto as Exhibit A, so that the fraction of a share of
Preferred Stock delivered in lieu of each share of Common Stock shall have the
same voting rights as one share of Common Stock.

                         (d) 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
24, the Company shall take all such action as may be necessary to authorize
additional shares of Common Stock for issuance upon exchange of the Rights.

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

         Section 25.       Notice of Certain Events.

                         (a) In case the Company shall propose, at any time
after the Distribution Date, (i) to pay any dividend payable in stock of any
class to the holders of Preferred Stock or to make any other distribution to the
holders of Preferred Stock (other than a regular quarterly cash dividend out of
earnings or retained earnings of the Company), or (ii) to offer to the holders
of Preferred Stock rights or warrants to subscribe for or to purchase any
additional shares of Preferred Stock or shares of stock of any class or any
other securities, rights or options, or (iii) to effect any reclassification of
its Preferred Stock (other than a reclassification involving only the
subdivision of outstanding shares of Preferred Stock), or (iv) to effect any
consolidation or merger into or with any other Person (other than a Subsidiary
of the Company in a transaction which complies with Section 11(o) hereof), or to
effect any sale or other transfer (or to permit one or more of its Subsidiaries
to effect any sale or other transfer), in one transaction or a series of related
transactions, of more than 50% of the assets or earning power of the Company and
its Subsidiaries (taken as a whole) to, any other Person or Persons (other than
the Company and/or any of its Subsidiaries in one or more transactions each of
which complies with Section 11(o) hereof), or (v) to effect the liquidation,
dissolution or winding up of the Company, then, in each such case, the Company
shall give to each holder of a Rights Certificate, to the extent feasible and in
accordance with Section 26 hereof, a notice of such proposed action, which shall
specify the record date for the purposes of such stock dividend, 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

<PAGE>

and the date of participation therein by the holders of the shares of 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 20 days prior to
the record date for determining holders of the shares of Preferred Stock for
purposes of such action, and in the case of any such other action, at least 20
days prior to the date of the taking of such proposed action or the date of
participation therein by the holders of the shares of Preferred Stock, whichever
shall be the earlier.

                         (b) If any Section 11(a)(ii) Event shall occur, then,
in any such case, (i) the Company shall as soon as practicable thereafter give
to each holder of a Rights Certificate, to the extent feasible and in accordance
with Section 26 hereof, a notice of the occurrence of such event, which shall
specify the event and the consequences of the event to holders of Rights under
Section 11(a)(ii) hereof, and (ii) all references in the preceding paragraph to
Preferred Stock shall be deemed thereafter to refer to Common Stock and/or, if
appropriate, other securities.

         Section 26.       Notices.

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

                                    Key Technology, Inc.
                                    150 Avery Street
                                    Walla Walla, WA 99362
                                    Attention:  Chief Financial Officer

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

                                    ChaseMellon Shareholder Services, L.L.C.
                                    520 Pike Street, Suite 1220
                                    Seattle, Washington  98101
                                    Attention:  Dennis Treibel

Notices or demands authorized by this Agreement to be given or made by the
Company or the Rights Agent to the holder of any Rights 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 his or her
address as shown on the registry books of the Company.

<PAGE>


         Section 27.       Supplements and Amendments.

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

         Section 28.       Successors.

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

         Section 29.       Determinations and Actions by the Board of 
                           Directors, Etc.

                   For all purposes of this Agreement, any calculation of the
number of shares of Common Stock outstanding at any particular time, including
for purposes of determining the particular percentage of such outstanding shares
of Common Stock of which any Person is the Beneficial Owner, shall be made in
accordance with the last sentence of Rule 13d-3(d)(l)(i) of the General Rules
and Regulations under the Exchange Act, as in effect on the date of this
Agreement. The Board of Directors of the Company have the exclusive power and
authority to administer this Agreement and to exercise all rights and powers
specifically granted to the Board of Directors or to the Company, or as may be
necessary or advisable in the administration of this Agreement, including,
without limitation, the right and power to (a) interpret provisions of this
Agreement, and (b) make all determinations deemed necessary or advisable for the
administration of this Agreement (including a determination to redeem or not
redeem the Rights or to amend this Agreement). All such actions, calculations,

<PAGE>

interpretations and determinations (including, for purposes of clause (ii)
below, all omissions with respect to the foregoing) which are done or made by
the Board of Directors in good faith, shall (i) be final, conclusive and binding
on the Company, the Rights Agent, the holders of the Rights and all other
parties, and (ii) not subject the Board of Directors to any liability to the
holders of the Rights.

         Section 30.       Benefits of This Agreement.

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

         Section 31.       Severability.

                  If any term, provision, covenant or restriction of this
Agreement is held by a court of competent jurisdiction or other authority to be
invalid, void or unenforceable, the remainder of the terms, provisions,
covenants and restrictions of this Agreement shall remain in full force and
effect and shall in no way be affected, impaired or invalidated; provided,
however, that notwithstanding anything in this Agreement to the contrary, if any
term, provision, covenant or restriction is held by such court or authority to
be invalid, void or unenforceable and the Board of Directors of the Company
determines in its good faith judgment that severing the invalid language from
this Agreement would adversely affect the purpose or effect of this Agreement,
the right of redemption set forth in Section 23 hereof shall be reinstated and
shall not expire until the Close of Business on the tenth Business Day following
the date of such determination by the Board of Directors. Without limiting the
foregoing, if any provision requiring a majority of the members of the Board of
Directors who are not officers of the Company and who are not representatives,
nominees, Affiliates or Associates of an Acquiring Person to act is held by any
court of competent jurisdiction or other authority to be invalid, void or
unenforceable, such determination shall be made by the Board of Directors of the
Company in accordance with applicable law and the Company's Restated Articles of
Incorporation and Restated Bylaws, as in effect at that time.

         Section 32.       Governing Law.

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


<PAGE>



         Section 33.       Counterparts.

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

         Section 34.       Descriptive Headings.

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

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


                                           KEY TECHNOLOGY, INC.
Attest:


By__________________________               By ________________________________
       Secretary                           Title _____________________________


                                          CHASEMELLON SHAREHOLDER
                                           SERVICES, L.L.C.
Attest:


By__________________________               By ________________________________
      Secretary                           Title ______________________________

<PAGE>
                                                      *FILED JUNE 17, 1998
                                                       SECRETARY OF STATE
                                                       STATE OF OREGON

            [SEAL OF STATE OF OREGON]
                                                  THIS SPACE FOR OFFICE USE ONLY
    Corporation Division - Business Registry
        255 Capitol Street NE, Suite 151
              Salem, OR 97310-1327
     (503) 986-2200 Facsimile (503) 378-4381
                                                      ARTICLES OF AMENDMENT
                                                      Business Corporation


ATTACH ADDITIONAL SHEET IF NECESSARY

PLEASE TYPE OR PRINT LEGIBLY IN BLACK INK


1.         Name of the corporation prior to amendment:

                  Key Technology, Inc.
           ---------------------------------------------------------------------

2.         State the article number(s) and set forth the article(s) as it is 
           amended to read or attach a separate sheet.

                  See Exhibit A attached hereto.

3.         The amendment(s) was adopted on:   May 4, 1998
           (If  more  than  one  amendment  was  adopted,  identify  the date of
            adoption of each amendment.)

4.         Check the appropriate statement:

|_|        Shareholder action was required to adopt the amendment(s).
           The vote was as follows:
<TABLE>
<CAPTION>
<S>                     <C>                    <C>                   <C>                     <C>   
- ----------------------- ---------------------- ---------------------- ---------------------- ---------------------
  Class or series of      Number of shares        Number of votes        Number of votes       Number of votes
        shares               outstanding        entitled to be cast         cast for             cast against
- ----------------------- ---------------------- ---------------------- ---------------------- ---------------------


- ----------------------- ---------------------- ---------------------- ---------------------- ---------------------
</TABLE>

|X|        Shareholder action was not required to adopt the amendment(s).  The 
           amendment(s) was adopted by the board of directors without 
           shareholder action.

|_|        The corporation has not issued any shares of stock.  Shareholder
           action was not required to adopt the amendment(s).  The amendment(s)
           was adopted by the incorporators or by the board of directors.


6.    Execution:    Thomas C. Madsen     /s/ Thomas C. Madsen         President
                 ---------------------------------------------------------------
                    Printed Name             Signature                Title


Person to contact about this filing: Ronald L. Greenman        (503) 221-1440
                                     ------------------------------------------
                                            Name            Daytime phone number

MAKE CHECKS PAYABLE TO THE CORPORATION DIVISION OR INCLUDE YOUR VISA OR 
MASTERCARD NUMBER AND EXPIRATION DATE_______-_____-_____-_____ ___/___.  SUBMIT
THE COMPLETED FORM AND FEE TO THE ABOVE ADDRESS OR FAX TO (503) 378-4381

<PAGE>

                                                                 EXHIBIT A

                  SERIES A JUNIOR PARTICIPATING PREFERRED STOCK

                                  BY DIRECTORS
                      PURSUANT TO ARTICLES OF AMENDMENT TO
                     THE RESTATED ARTICLES OF INCORPORATION
                                       OF
                              KEY TECHNOLOGY, INC.


                  Article  II  of  the   Corporation's   Restated   Articles  of
Incorporation  is  amended to add a section  providing  for a series of Series A
Junior  Participating  Preferred  Stock,  and that the  designation  and  amount
thereof and the voting powers, preferences, limitations and relative and special
rights of the shares of such  series,  and the  qualifications,  limitations  or
restrictions thereof are as follows:

                                   ARTICLE II

                  SERIES A JUNIOR PARTICIPATING PREFERRED STOCK

         Section 1.        Designation, Amount and Par Value.

                  The shares of such  series  shall be  designated  as "Series A
Junior Participating Preferred Stock" and the number of shares constituting such
series shall be 15,000. Such series is hereinafter  referred to as the "Series A
Preferred  Stock." The par value of the Series A  Preferred  Stock shall be $.01
per share.

         Section 2.        Dividends and Distributions.

                  (A) The holders of shares of Series A Preferred Stock shall be
entitled to receive,  when,  as and if declared by the Board of Directors out of
funds legally available for the purpose,  quarterly dividends payable in cash on
the last day of March, June, September and December in each year (each such date
being referred to herein as a "Quarterly Dividend Payment Date"),  commencing on
the first Quarterly Dividend Payment Date after the first issuance of a share or
fraction of a share of Series A Preferred Stock, in an amount per share (rounded
to the  nearest  cent)  equal to the  greater of (a) $.01 or (b)  subject to the
provisions for adjustment  hereinafter set forth,  1,000 times the aggregate per
share  amount of all cash  dividends,  and 1,000 times the  aggregate  per share
amount (payable in kind) of all non-cash dividends or other  distributions other
than a  dividend  payable  in  shares of Common  Stock or a  subdivision  of the
outstanding shares of Common Stock (by reclassification or otherwise),  declared
on the Common Stock,  par value $.01 per share, of the Corporation  (the "Common
Stock") since the immediately preceding Quarterly Dividend Payment Date or, with
respect to the first Quarterly  Dividend  Payment Date, since the first issuance
of any share or fraction of a share of Series A  Preferred  Stock.  In the event
the  Corporation  shall at any time after May 4, 1998 (the  "Rights  Declaration
Date") (i) declare  any  dividend  on Common  Stock  payable in shares of Common
Stock,  (ii)  subdivide  the  outstanding  Common  Stock,  or (iii)  combine the
outstanding Common Stock into a smaller number of shares, then in each such case
the amount to which holders of shares of Series A Preferred  Stock were entitled
immediately prior to such event under clause (b) of the preceding sentence shall
be adjusted by  multiplying  such amount by a fraction the numerator of which is
the number of shares of Common Stock  outstanding  immediately  after such event
and the  denominator  of which is the number of shares of Common Stock that were
outstanding immediately prior to such event.
<PAGE>

                  (B) The  Corporation  shall declare a dividend or distribution
on the Series A Preferred  stock as provided in Paragraph (A) above  immediately
after it declares a dividend or  distribution  on the Common Stock (other than a
dividend payable in shares of Common Stock).

                  (C)  Dividends  shall  begin to accrue  and be  cumulative  on
outstanding  shares of Series A  Preferred  Stock  from the  Quarterly  Dividend
Payment  Date  next  preceding  the  date of issue of such  shares  of  Series A
Preferred Stock,  unless the date of issue of such shares is prior to the record
date for the first Quarterly  Dividend  Payment Date, in which case dividends on
such  shares  shall begin to accrue  from the date of issue of such  shares,  or
unless the date of issue is a Quarterly Dividend Payment Date or is a date after
the record date for the determination of holders of shares of Series A Preferred
Stock  entitled  to  receive a  quarterly  dividend  and before  such  Quarterly
Dividend  Payment Date, in either of which events such dividends  shall begin to
accrue and be cumulative from such Quarterly  Dividend Payment Date. Accrued but
unpaid dividends shall not bear interest. Dividends paid on the shares of Series
A Preferred  Stock in an amount less than the total amount of such  dividends at
the time  accrued and payable on such shares  shall be  allocated  pro rata on a
share-by-share basis among all such shares at the time outstanding. The Board of
Directors  may fix a record date for the  determination  of holders of shares of
Series  A  Preferred  Stock  entitled  to  receive  payment  of  a  dividend  or
distribution  declared thereon,  which record date shall be no more than 30 days
prior to the date fixed for the payment thereof.

         Section 3.        Voting Rights.

                  The holders of shares of Series A  Preferred  stock shall have
the following voting rights:

                  (A) Subject to the provision for  adjustment  hereinafter  set
forth,  each share of Series A Preferred  Stock shall entitle the holder thereof
to 1,000 votes (and each  1/1,000 of a share of Series A  Preferred  Stock shall
entitle the holder  thereof to one vote) on all matters  submitted  to a vote of
the shareholders of the Corporation.  In the event the Corporation  shall at any
time after the Rights  Declaration Date (i) declare any dividend on Common Stock
payable in shares of Common Stock, (ii) subdivide the outstanding  Common Stock,
or (iii) combine the  outstanding  Common Stock into a smaller number of shares,
then in each such case the number of votes per share to which  holders of shares
of Series A Preferred Stock were entitled  immediately prior to such event shall
be adjusted by  multiplying  such number by a fraction the numerator of which is
the number of shares of Common Stock  outstanding  immediately  after such event
and the  denominator  of which is the number of shares of Common Stock that were
outstanding immediately prior to such event.
<PAGE>

                  (B) Except as otherwise provided herein or by law, the holders
of shares of Series A Preferred  Stock and the holders of shares of Common Stock
shall  vote  together  as  one  class  on all  matters  submitted  to a vote  of
shareholders of the Corporation.

                  (C) (i) If at any time  dividends  on any  Series A  Preferred
Stock shall be in arrears in an amount equal to six quarterly dividends thereon,
the occurrence of such contingency  shall mark the beginning of a period (herein
called a "default  period")  which shall extend until such time when all accrued
and unpaid  dividends for all previous  quarterly  dividend  periods and for the
current quarterly dividend period on all shares of Series A Preferred Stock then
outstanding  shall have been declared and paid or set apart for payment.  During
each default period,  all holders of Preferred Stock  (including  holders of the
Series A Preferred  Stock) with  dividends  in arrears in an amount equal to six
quarterly dividends thereon,  voting as a class,  irrespective of series,  shall
have the right to elect two  directors  in addition  to any number of  directors
that the holders of any series of Preferred  Stock may  otherwise be entitled to
elect.

                              (ii) During any default period,  such voting right
of the  holders of Series A  Preferred  Stock may be  exercised  initially  at a
special meeting called pursuant to subparagraph (iii) of this Section 3(C) or at
any  annual  meeting of  shareholders,  and  thereafter  at annual  meetings  of
shareholders,  provided that such voting right shall not be exercised unless the
holders  of 10% in  number of shares of  Preferred  Stock  outstanding  shall be
present  at the  meeting in person or by proxy.  The  absence of a quorum of the
holders  of Common  Stock  shall not  affect  the  exercise  by the  holders  of
Preferred  Stock of such  voting  right.  At any meeting at which the holders of
Preferred  Stock shall exercise such voting right  initially  during an existing
default period, they shall have the right, voting as a class, to elect directors
to fill such  vacancies,  if any, in the Board of Directors as may then exist up
to two directors or, if such right is exercised at an annual  meeting,  to elect
two directors. If the number which may be so elected at any special meeting does
not amount to the required number, the holders of the Preferred Stock shall have
the right to make such increase in the number of directors as shall be necessary
to permit the election by them of the required number.  After the holders of the
Preferred  Stock  shall have  exercised  their right to elect  directors  in any
default  period  and  during  the  continuance  of such  period,  the  number of
directors  shall not be increased or decreased  except by vote of the holders of
Preferred  Stock as herein  provided  or  pursuant  to the  rights of any equity
securities ranking senior to or pari passu with the Series A Preferred Stock.

                              (iii) Unless the holders of Preferred Stock shall,
during an existing  default  period,  have  previously  exercised their right to
elect  directors,  the Board of  Directors  may  order,  or any  shareholder  or
shareholders  owning in the  aggregate  not less than 10% of the total number of
shares of Preferred Stock outstanding,  irrespective of series, may request, the
calling of a special  meeting of the holders of Preferred  Stock,  which meeting
shall  thereupon be called by the Chairman,  President,  a Vice President or the
Secretary of the  Corporation.  Notice of such meeting and of any annual meeting
at which  holders of  Preferred  Stock are  entitled  to vote  pursuant  to this
paragraph (C)(iii) shall be given to each holder of record of Preferred Stock by
mailing  a copy of such  notice  to the  holder  at the  holder's  last  address
appearing on the books of the  Corporation.  Such meeting  shall be called for a
time not earlier than 10 days and not later than 50 days after such order

<PAGE>

or request or in default  of the  calling of such  meeting  within 50 days after
such order or  request,  such  meeting  may be called on  similar  notice by any
shareholder  or  shareholders  owning in the  aggregate not less than 10% of the
total  number of shares of  Preferred  Stock  outstanding.  Notwithstanding  the
provisions of this paragraph  (C)(iii),  no such special meeting shall be called
during the period  within 50 days  immediately  preceding the date fixed for the
next annual meeting of the shareholders.

                              (iv) In any default period,  the holders of Common
Stock,  and other  classes of stock of the  Corporation,  if  applicable,  shall
continue to be entitled to elect the whole number of directors until the holders
of  Preferred  Stock shall have  exercised  their  right to elect two  directors
voting as a class,  after the  exercise  of which  right  (x) the  directors  so
elected by the holders of Preferred  Stock shall  continue in office until their
successors  shall have been elected by such holders or until the  expiration  of
the default period, and (y) any vacancy in the Board of Directors may, except as
provided in paragraph (C)(ii) of this Section 3, be filled by vote of a majority
of the remaining  directors  theretofore  elected by the holders of the class of
stock  which  elected  the  director  whose  office  shall have  become  vacant.
References  in this  paragraph  (C) to  directors  elected  by the  holders of a
particular class of stock shall include  directors  elected by such directors to
fill vacancies, as provided in clause (y) of the foregoing sentence.

                              (iv)  Immediately upon the expiration of a default
period,  (x) the right of the  holders  of  Preferred  Stock as a class to elect
directors shall cease,  (y) the term of any directors  elected by the holders of
Preferred  Stock as a class  shall  terminate,  and (z) the number of  directors
shall  be  such  number  as may be  provided  for in the  Restated  Articles  of
Incorporation  or Restated Bylaws  irrespective of any increase made pursuant to
the  provisions  of  paragraph  (C)(ii)  of this  Section 3 (such  number  being
subject,  however,  to change thereafter in any manner provided by law or in the
Restated  Articles of  Incorporation or Restated  Bylaws).  Any vacancies in the
Board of  Directors  effected  by the  provisions  of clauses (y) and (z) in the
preceding sentence may be filled by a majority of the remaining directors.

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

         Section 4.        Certain Restrictions.

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

                              (i)  declare or pay  dividends  on, make any other
distributions  on, or redeem or purchase or otherwise  acquire for consideration
any shares of stock ranking junior (either as to dividends or upon  liquidation,
dissolution or winding up) to the Series A Preferred Stock;
<PAGE>

                              (ii) declare or pay dividends on or make any other
distributions on any shares of stock ranking on a parity (either as to dividends
or upon  liquidation,  dissolution  or winding  up) with the Series A  Preferred
Stock,  except  dividends  paid ratably on the Series A Preferred  Stock and all
such parity stock on which  dividends are payable or in arrears in proportion to
the total amounts to which the holders of all such shares are then entitled;

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

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

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

         Section 5.        Reacquired Shares.

                  Any shares of Series A Preferred  Stock purchased or otherwise
acquired  by the  Corporation  in any manner  whatsoever  shall be  retired  and
cancelled  promptly after the  acquisition  thereof.  All such shares shall upon
their  cancellation  become  authorized but unissued shares of Preferred  Stock,
without designation as to series, and may be reissued as part of a new series of
Preferred  Stock to be  created by  resolution  or  resolutions  of the Board of
Directors,  subject to the  conditions  and  restrictions  on issuance set forth
herein or in the Restated Articles of Incorporation.

         Section 6.        Liquidation, Dissolution or Winding Up.

                  (A) Upon any liquidation (voluntary or otherwise), dissolution
or winding up of the Corporation, no distribution shall be made to:

                              (i) the holders of shares of stock ranking  junior
(either as to dividends or upon  liquidation,  dissolution or winding up) to the
Series A Preferred Stock, unless, prior thereto, the holders of shares of Series
A Preferred Stock shall have received the higher of (a) $0.01 per share, plus an
amount equal to accrued and unpaid dividends and distributions thereon,  whether
or not  declared,  to the date of such payment,  or (b) an aggregate  amount per

<PAGE>

share,  subject to the provision for adjustment  hereinafter set forth, equal to
1,000  times the  aggregate  amount to be  distributed  per share to  holders of
Common Stock; or

                              (ii)  the  holders  of stock  ranking  on a parity
(either as to dividends or upon liquidation, dissolution or winding up) with the
Series A Preferred  Stock,  except  distributions  made  ratably on the Series A
Preferred  Stock and all other  such  parity  stock in  proportion  to the total
amounts  to which  the  holders  of all  such  shares  are  entitled  upon  such
liquidation, dissolution or winding up.

                  (B) In the event the Corporation shall at any time (i) declare
any  dividend  on Common  Stock  payable  in shares  of  Common  Stock,  or (ii)
subdivide,  combine or consolidate  the  outstanding  shares of Common Stock (by
reclassification  or otherwise) into a greater or smaller number of shares, then
in each such case the  aggregate  amount to which  holders of shares of Series A
Preferred Stock are entitled under clause (i)(b) of Section 6(A) hereof shall be
adjusted by multiplying  such amount by a fraction the numerator of which is the
number of shares of Common Stock  outstanding  immediately  after such event and
the  denominator  of which is the  number of shares  of Common  Stock  that were
outstanding immediately prior to such event.

         Section 7.        Consolidation, Merger, Etc.

                  In case the  Corporation  shall enter into any  consolidation,
merger,  combination  or other  transaction  in which shares of Common Stock are
exchanged for or changed into other stock or  securities,  cash and/or any other
property,  then in any such case the shares of Series A Preferred Stock shall at
the same time be similarly  exchanged or changed in an amount per share (subject
to the provision for adjustment  hereinafter set forth) equal to 1,000 times the
aggregate amount of stock,  securities,  cash and/or any other property (payable
in kind), as the case may be, into which or for which each share of Common Stock
is  changed or  exchanged.  In the event the  Corporation  shall at any time (i)
declare any dividend on Common  Stock  payable in shares of Common  Stock,  (ii)
subdivide the outstanding  Common Stock, or (iii) combine the outstanding Common
Stock  into a smaller  number of  shares,  then in each such case the amount set
forth in the preceding sentence with respect to the exchange or change of shares
of Series A Preferred  Stock shall be adjusted by  multiplying  such amount by a
fraction  the  numerator  of which is the  number  of  shares  of  Common  Stock
outstanding  immediately  after such event and the  denominator  of which is the
number of shares of Common Stock that were outstanding immediately prior to such
event.

         Section 8.        No Redemption.

                  The  shares  of  Series  A   Preferred   Stock  shall  not  be
redeemable. Notwithstanding the foregoing, the Corporation may acquire shares of
Series A Preferred  Stock in any other  manner  permitted  by law,  the Restated
Articles of Incorporation or this amendment thereof.

         Section 9.        Rank.

                  Unless  otherwise   provided  in  the  Restated   Articles  of
Incorporation  or an  amendment  thereof  relating  to a  subsequent  series  of

<PAGE>

Preferred  Stock of the  Corporation,  the Series A  Preferred  Stock shall rank
junior  to all  other  series  of the  Corporation's  Preferred  Stock as to the
payment of dividends and the distribution of assets on liquidation,  dissolution
or winding up, and senior to the Common Stock of the Corporation.

         Section 10.       Amendment.

                  The Restated  Articles of  Incorporation  shall not be further
amended  in any  manner  which  would  materially  alter or change  the  powers,
preferences  or special  rights of the Series A Preferred  Stock so as to affect
them  adversely  without  the  affirmative  vote of the  holders  of at  least a
majority  of  the  outstanding  shares  of  Series  A  Preferred  Stock,  voting
separately as a class.

         Section 11.       Fractional Shares.

                  Series A Preferred Stock may be issued in fractions of a share
which shall  entitle the  holder,  in  proportion  to such  holder's  fractional
shares,   to  exercise  voting  rights,   receive   dividends,   participate  in
distributions and to have the benefit of all other rights of holders of Series A
Preferred Stock.


<PAGE>



                                    EXHIBIT B

                           Form of Rights Certificate

Certificate No. R-__                                            _______ Rights




NOT  EXERCISABLE  AFTER NOVEMBER 14, 2007 OR EARLIER IF REDEEMED BY THE COMPANY.
THE RIGHTS ARE SUBJECT TO REDEMPTION, AT THE OPTION OF THE COMPANY, AT $0.01 PER
RIGHT  ON  THE  TERMS  SET  FORTH  IN  THE  RIGHTS   AGREEMENT.   UNDER  CERTAIN
CIRCUMSTANCES,  RIGHTS  BENEFICIALLY  OWNED BY AN  ACQUIRING  PERSON OR  ADVERSE
PERSON (AS SUCH TERMS ARE DEFINED IN THE RIGHTS  AGREEMENT)  AND ANY  SUBSEQUENT
HOLDER OF SUCH RIGHTS MAY BECOME NULL AND VOID. {THE RIGHTS  REPRESENTED BY THIS
RIGHTS  CERTIFICATE ARE OR WERE BENEFICIALLY OWNED BY A PERSON WHO WAS OR BECAME
AN  ACQUIRING  PERSON OR  ADVERSE  PERSON OR AN  AFFILIATE  OR  ASSOCIATE  OF AN
ACQUIRING  PERSON OR ADVERSE  PERSON  (AS SUCH  TERMS ARE  DEFINED IN THE RIGHTS
AGREEMENT).  ACCORDINGLY,  THIS RIGHTS  CERTIFICATE  AND THE RIGHTS  REPRESENTED
HEREBY MAY BECOME NULL AND VOID IN THE  CIRCUMSTANCES  SPECIFIED IN SECTION 7(e)
OF SUCH AGREEMENT.}1




                               Rights Certificate

                              KEY TECHNOLOGY, INC.


                  This   certifies  that   _______________________________,   or
registered  assigns,  is the registered  owner of the number of Rights set forth
above,  each  of  which  entitles  the  owner  thereof,  subject  to the  terms,
provisions  and  conditions of the Rights  Agreement,  dated as of June 20, 1998
(the "Rights  Agreement"),  between Key Technology,  Inc., an Oregon corporation
(the  "Company"),  and ChaseMellon  Shareholder  Services,  L.L.C.  (the "Rights
Agent"), to purchase from the Company at any time prior to 5 p.m. (Pacific time)
on November 14, 2007 at the office or offices of the Rights Agent designated for
such  purpose,  or its  successors  as Rights  Agent,  1/1,000 of a fully  paid,
nonassessable  share of  Series  A Junior  Participating  Preferred  Stock  (the
"Preferred Stock") of the Company,  at a purchase price of $___ per 1/1,000 of a
share (the "Purchase  Price"),  upon  presentation  and surrender of this Rights
Certificate  with the Form of Election to Purchase and related  Certificate duly
executed.  The number of Rights  evidenced by this Rights  Certificate  (and the
number of shares which may be purchased upon exercise  thereof) set forth above,
and the Purchase  Price per share set forth  above,  are the number and Purchase
Price as of  ___________,  based on the Preferred  Stock as  constituted at such
date.  The Company  reserves the right to require  prior to the  occurrence of a
Triggering Event (as such term is defined in the Rights Agreement) that a number
of Rights be  exercised  so that only whole  shares of  Preferred  Stock will be
issued.

- --------------------
  1 The portion of the legend in brackets shall be inserted only if applicable
and shall replace the preceding sentence.


<PAGE>



                  Upon the occurrence of a Section 11(a)(ii) Event (as such term
is defined in the Rights  Agreement),  if the Rights  evidenced  by this  Rights
Certificate are beneficially  owned by (i) an Acquiring Person or Adverse Person
or an Affiliate or Associate of any such Acquiring  Person or Adverse Person (as
such terms are defined in the Rights  Agreement),  (ii) a transferee of any such
Acquiring  Person or Adverse  Person,  Associate  or  Affiliate,  or (iii) under
certain  circumstances  specified in the Rights  Agreement,  a  transferee  of a
person who, after such transfer,  became an Acquiring  Person or Adverse Person,
or an Affiliate or Associate  of an  Acquiring  Person or Adverse  Person,  such
Rights shall become null and void and no holder hereof shall have any right with
respect to such Rights from and after the  occurrence of such Section  11(a)(ii)
Event.

                  As provided in the Rights  Agreement,  the Purchase  Price and
the number and kind of shares of Preferred Stock or other  securities  which may
be  purchased  upon  the  exercise  of  the  Rights  evidenced  by  this  Rights
Certificate  are subject to  modification  and adjustment  upon the happening of
certain events,  including Triggering Events. In certain circumstances described
in the Rights  Agreement,  the Rights  evidenced  hereby may  entitle the holder
hereof to purchase  capital stock of an entity other than the Company or receive
cash or other assets, all as prescribed in the Rights Agreement.

                  This  Rights  Certificate  is  subject  to all  of the  terms,
provisions and conditions of the Rights Agreement,  which terms,  provisions and
conditions  are hereby  incorporated  herein by reference and made a part hereof
and to which Rights Agreement reference is hereby made for a full description of
the rights, limitations of rights, obligations,  duties and immunities hereunder
of the Rights  Agent,  the Company  and the holders of the Rights  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 2the principal
executive  offices of the Company and are also available upon written request to
the Rights Agent.

                  This  Rights   Certificate,   with  or  without  other  Rights
Certificates,  upon  surrender at the principal  office or offices of the Rights
Agent  designated  for  such  purpose,  may  be  exchanged  for  another  Rights
Certificate  or Rights  Certificates  of like tenor and date  evidencing  Rights
entitling the holder to purchase a like aggregate  number of 1/1,000s of a share
of Preferred Stock as the Rights  evidenced by the Rights  Certificate or Rights
Certificates  surrendered  shall have entitled such holder to purchase.  If this
Rights  Certificate  shall be exercised in part, the holder shall be entitled to
receive upon surrender hereof another Rights Certificate or Rights  Certificates
for the number of whole Rights not exercised.


<PAGE>



                  Subject to the provisions of the Rights Agreement,  the Rights
evidenced by this  Certificate may be redeemed by the Company at its option at a
redemption  price of $0.01 per  Right at any time  prior to the  earlier  of the
close of business on (i) the tenth business day following the Stock  Acquisition
Date (as such time period may be extended pursuant to the Rights Agreement), and
(ii) the Final  Expiration  Date. In addition,  the Rights may be exchanged,  in
whole or in part, for shares of the Common Stock,  or shares of preferred  stock
of the Company  having  essentially  the same value or  economic  rights as such
shares.  Immediately  upon the action of the Board of  Directors  of the Company
authorizing any such exchange, and without any further action or any notice, the
Rights (other than Rights which are not subject to such exchange) will terminate
and the Rights will only enable holders to receive the shares issuable upon such
exchange.

                  No  fractional  shares of Preferred  Stock will be issued upon
the exercise of any Right or Rights evidenced hereby (other than fractions which
are integral  multiples of 1/1,000 of a share of Preferred Stock,  which may, at
the election of the Company, 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 Rights Certificate shall be entitled to vote
or  receive  dividends  or be deemed  for any  purpose  the  holder of shares of
Preferred Stock or of any other  securities of the Company which may at any time
be issuable on the exercise hereof,  nor shall anything  contained in the Rights
Agreement or herein be construed to confer upon the holder hereof,  as such, any
of the  rights  of a  shareholder  of the  Company  or any right to vote for the
election  of  directors  or upon any matter  submitted  to  shareholders  at any
meeting thereof,  or to give or withhold consent to any corporate action, or, to
receive notice of meetings or other actions  affecting  shareholders  (except as
provided  in the Rights  Agreement),  or to receive  dividends  or  subscription
rights,  or  otherwise,  until  the  Right or Rights  evidenced  by this  Rights
Certificate shall have been exercised as provided in the Rights Agreement.

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

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

                  Dated as of 
                              --------------

ATTEST:                                       KEY TECHNOLOGY, INC.


By                                            By 
   ---------------------------                   -----------------------
         Secretary                            Title 
                                                    --------------------
<PAGE>

Countersigned:

CHASEMELLON SHAREHOLDER
    SERVICES, L.L.C.


By                             
  -----------------------------
     Authorized Signature



<PAGE>



                   Form of Reverse Side of Rights Certificate

                               FORM OF ASSIGNMENT

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



FOR VALUE RECEIVED ______________________________________________ hereby 
sells,  assigns and transfer unto ________________________________________
__________________________________________________________________________
                  (Please print name and address of transferee)


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



Dated: _________________



                                             ______________________________
                                             Signature

Signature Guaranteed:


<PAGE>


                                   CERTIFICATE

                  The undersigned  hereby  certifies by checking the appropriate
boxes that:

                  (1) this  Rights  Certificate  [ ] is [ ] is not  being  sold,
assigned and  transferred by or on behalf of a Person who is or was an Acquiring
Person or Adverse  Person or an Affiliate  or  Associate  of any such  Acquiring
Person or  Adverse  Person  (as such terms are  defined  pursuant  to the Rights
Agreement);

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


Dated:_________________________              _______________________________
                                             Signature


Signature Guaranteed:








                                     NOTICE

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



<PAGE>


                          FORM OF ELECTION TO PURCHASE

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

To:  KEY TECHNOLOGY, INC.

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

Please insert social security
or other identifying number:____________________________________


_______________________________________________________________________________

_______________________________________________________________________________
                         (Please print name and address)

_______________________________________________________________________________


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

Please insert social security
or other identifying number:____________________________


_______________________________________________________________________________

_______________________________________________________________________________
                         (Please print name and address)

_______________________________________________________________________________


Dated:____________________________            

                                              _______________________________
                                              Signature

Signature Guaranteed:


<PAGE>


                                   CERTIFICATE

                  The undersigned  hereby  certifies by checking the appropriate
boxes that:

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

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


Dated:   _____________________              ___________________________________
                                                     Signature


Signature Guaranteed:







                                     NOTICE

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




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