ANALOGY INC
SC 13D, 1999-12-10
PREPACKAGED SOFTWARE
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<PAGE>

                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549

                                 SCHEDULE 13D

                   Under the Securities Exchange Act of 1934
                           (Amendment No. ________)*

                                 Analogy, Inc.
    ----------------------------------------------------------------------
                                 (Name of Issuer)

                                   Common Stock
    ----------------------------------------------------------------------
                        (Title of Class of Securities)

                                   032659104
    ----------------------------------------------------------------------
                                 (CUSIP Number)


                                   Sam Chang
                                Head of Finance
                              Avant! Corporation
                             46871 Bayside Parkway
                              Fremont, CA 94538
    ----------------------------------------------------------------------
      (Name, Address and Telephone Number of Person Authorized to Receive
                          Notices and Communications)

                               December 2, 1999
    ----------------------------------------------------------------------
            (Date of Event which Requires Filing of this Statement)

    If the filing person has previously filed a statement on Schedule 13G to
report the acquisition that is the subject of this statement, and is filing this
schedule because of (S)(S)240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the
following box. [_]

    NOTE: Schedules filed in paper format shall include a signed original and
five copies of the schedule, including all exhibits. See (S)240.13d-7(b) for
other parties to whom copies are to be sent.

    * The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.
<PAGE>

     The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act, but shall be subject to all other provisions of the Act (however, see
the Notes).

- -------------------                                          -------------------
CUSIP No. 032659104                   13D                     Page 2 of 9 Pages
- -------------------                                          -------------------

- --------------------------------------------------------------------------------
   1)  Names of Reporting Persons I.R.S. Identification Nos. of Above Persons
       (entities only) Avant! Corporation -- 94-3133226
- --------------------------------------------------------------------------------
   2)  Check the Appropriate Box if a Member of a Group (See Instructions)

       (a) [ ]

       (b) [ ]
- --------------------------------------------------------------------------------
   3)  SEC Use Only

- --------------------------------------------------------------------------------
   4)  Source of Funds (See Instructions)

       WC
- --------------------------------------------------------------------------------
   5)  Check if Disclosure of Legal Proceedings is Required Pursuant to Items
       2(d) or 2(e) [ ]
- --------------------------------------------------------------------------------
   6)  Citizenship or Place of Organization

       DE
- --------------------------------------------------------------------------------
 Number of Shares     7) Sole Voting Power              968,640          (1)
                     -----------------------------------------------------------
Beneficially Owned    8) Shared Voting Power            948,110          (1)
                     -----------------------------------------------------------
 by Each Reporting    9) Sole Dispositive Power         968,640          (1)
                     -----------------------------------------------------------
    Person with:     10) Shared Dispositive Power        0
- --------------------------------------------------------------------------------
  11)  Aggregate Amount Beneficially Owned by Each Reporting Person

       1,916,750        (1)
- --------------------------------------------------------------------------------
  12)  Check if the Aggregate Amount in Row (11) Excludes Certain Shares [ ]
       (See Instructions)
- --------------------------------------------------------------------------------
  13)  Percent of Class Represented by Amount in Row (11)

       18.1% based upon 10,600,551 shares of Common Stock deemed outstanding as
       of December 1, 1999, as represented by Issuer, calculated pursuant to
       Rule 13d-3(d)(1).
- --------------------------------------------------------------------------------
  14)  Type of Reporting Person (See Instructions)

       CO
- --------------------------------------------------------------------------------

                                       2
<PAGE>

(1) 968,640 of the shares of Common Stock of Analogy, Inc. ("Analogy") covered
    by this statement are subject to an option to purchase shares on certain
    contingencies (the "Option") set forth in Section 6.10 of the Agreement of
    Merger described in Item 4 of this statement, and 948,110 of the shares of
    Common Stock of Analogy covered by this statement are subject to Voting and
    Proxy Agreements ("Voting and Proxy Agreements") described in Item 4 of this
    statement. Nothing herein shall be deemed to be an admission by Avant!
    Corporation ("Avant!") as to the beneficial ownership of any such shares of
    Analogy that are subject to the Option or the Voting and Proxy Agreements,
    and Avant! hereby disclaims beneficial ownership of all such shares of
    Analogy so subject.

                                       3
<PAGE>

Item 1  Security and Issuer.

        The class of equity security to which this statement relates is the
        Common Stock, no par value, of Analogy, Inc. ("Analogy"), a corporation
        organized under the laws of the State of Oregon. The address of
        Analogy's principal executive office is 9205 S.W. Gemini Drive,
        Beaverton, Oregon, 97008.

Item 2  Identity and Background.

        This statement is filed by Avant! Corporation ("Avant!"), a corporation
        organized under the laws of the State of Delaware. Avant! is in the
        business of developing, marketing and supporting integrated circuit
        design automation software for microprocessors, microcontrollers,
        application-specific standard products and complex application-specific
        integrated circuits. Avant!'s principal executive office is 46871
        Bayside Parkway, Fremont, California, 94538.

        The name, business address and present principal occupation or
        employment of each executive officer and director of Avant! are set
        forth in Schedule I to this statement which is incorporated herein by
        reference.

        To the knowledge of the reporting person, Avant! and its respective
        officers and directors have not, during the last five years, been
        convicted in a criminal proceeding (excluding traffic violations and
        similar misdemeanors) or been a party to a civil proceeding of a
        judicial or administrative body of competent jurisdiction and as a
        result of such proceeding been or become subject to a judgment, decree
        or final order enjoining future violations of, or prohibiting or
        mandating activities subject to, federal or state securities laws or
        finding any violation with respect to such laws.

Item 3. Source and Amount of Funds or Other Consideration.

        Any shares purchased pursuant to the exercise of an option to purchase
        stock upon certain contingencies (the "Option") described in Item 4 of
        this statement would be made with funds from Avant!'s working capital.
        The aggregate purchase price of such shares is $2,402,227 or $2.48 per
        share, subject to adjustment as provided in Section 6.10 of the
        Agreement of Merger dated December 2, 1999 (the "Merger Agreement"), set
        forth as Exhibit 1.

Item 4. Purpose of Transaction.

        This statement relates to the granting of the Option set forth in
        Section 6.10 of the Merger Agreement among Analogy, Avant! and AC
        Acquisition Corp. ("Buyer Subsidiary"), an Oregon corporation and wholly
        owned subsidiary of Avant!, and to the execution of certain Voting and
        Proxy Agreements between Avant! and each of the following Analogy
        stockholders: Frank Roehr, John Faehndrich, Martin Vlach, Gary Arnold,
        Howard Ko, David Smith and Duane Fromhart (the "Voting and Proxy
        Agreements").

        The Option and the Voting and Proxy Agreements are intended as an
        inducement to Avant! to enter into and proceed with the Merger Agreement
        between Analogy, Avant! and Buyer

                                       4
<PAGE>

        Subsidiary, and the Plan of Merger attached to the Merger Agreement as
        Exhibit A. Pursuant to both the Merger Agreement and Plan of Merger and
        subject to the conditions set forth therein, Buyer Subsidiary will merge
        with and into Analogy (the "Merger"), and each issued and outstanding
        share of Common Stock of Analogy will be converted into the right to
        receive approximately $2.48 in cash, without interest, subject to
        adjustment as set forth in the Plan of Merger (the "Merger
        Consideration"). Consummation of the merger is subject to certain
        conditions, including (i) receipt of the approval of the Merger
        Agreement by the holders of a majority of the outstanding shares of
        Analogy Common Stock; (ii) certain specific actions contemplated by the
        Merger Agreement with respect to third parties shall have been taken;
        (iii) receipt of the approval of at least 75% of Analogy employees who
        hold options to acquire shares of Analogy Common Stock to accept in
        substitution options to acquire shares of Avant!'s Common Stock; (iv)
        receipt of the consent of those nonemployee option holders, as specified
        in the Plan of Merger, to either the conversion or cancellation of all
        such options as specified in the Merger Agreement; (v) no change in
        executive management shall have occurred and no less than 80% of certain
        designated employees shall have indicated to Avant!, in a reasonably
        satisfactory form, their intention to continue employment with Analogy;
        (vi) receipt of a written letter of assurance from the United States
        Defense Advanced Research Projects Agency, in a form reasonably
        satisfactory to Avant!, making certain representations as specified in
        the Merger Agreement; (vii) receipt of an advisory opinion from the
        United States Department of Commerce, in a form reasonably satisfactory
        to Avant!, making certain representations as specified in the Merger
        Agreement; (viii) certain individuals as specified in the Merger
        Agreement shall have entered into employment and non-competition
        agreements in a reasonably satisfactory form; and (ix) satisfaction of
        certain other conditions.

        Pursuant to the Option, Analogy granted Avant! the right to purchase at
        an exercise price of $2.48 per share, subject to adjustment as provided
        in the Merger Agreement, up to 968,640 shares of Analogy Common Stock.
        The Option is not exercisable until and unless certain events specified
        therein including, but not limited to: (a) the termination of the Merger
        Agreement by the Company's Board of Directors in order to enter into an
        agreement with respect to a Superior Proposal, as such term is defined
        therein; (b) the Company enters into a Third Party Transaction, as such
        term is defined therein, announced within 12 months after (i) a
        withdrawal of the Company Board of Directors recommendation of the
        Merger Agreement, (ii) a termination by either party after March 31,
        2000, (iii) the Merger is voted down by the Company's stockholders or
        (iv) certain other circumstances; (c) any person other than Avant! or
        its affiliates commences a tender offer within the meaning of Rule 14d-2
        under the Securities and Exchange Act of 1934 for 15% or more of the
        Company's outstanding shares; or (d) certain other circumstances.

        Pursuant to the Voting and Proxy Agreements, each of the persons noted
        above has agreed to vote all of such person's Analogy shares that such
        person has the power to vote in favor of approval of the Merger
        Agreement and against any acquisition proposal or transaction with a
        party other than Avant!, and has executed an irrevocable proxy granting
        Avant! the right to vote, or to execute and deliver stockholder written
        consents, in respect of such person's shares in accordance with such
        Voting and Proxy Agreement.

                                       5
<PAGE>

        The purpose of the transactions described in this Item 4 is to
        facilitate approval and consummation of the Merger. Other than in
        connection with the Merger described above, the reporting person has no
        plans or proposals which relate to or would result in any of the matters
        listed in paragraphs (a) through (j) of Item 4 of Schedule 13D.

        Copies of the Merger Agreement, Plan of Merger and Form of the Voting
        and Proxy Agreement are included as Exhibits to this statement and are
        incorporated herein by reference. The foregoing description of such
        agreements is qualified in its entirety by reference to such Exhibits.

Item 5. Interest in Securities of the Issuer.

        (a)  Although the Option does not allow Avant! to purchase any shares
             pursuant thereto unless and until the conditions to exercise occur,
             assuming for purposes of this Item 5 that such conditions are
             satisfied and Avant! is entitled to purchase shares pursuant to the
             Option, Avant! will be entitled to purchase 968,640 shares of
             Common Stock of Analogy, or approximately 9.1%, after giving effect
             to the exercise of the Option. Until such conditions are satisfied,
             Avant! does not have the right to acquire the shares and does not
             posses voting or dispositive power under the Option. If such
             conditions are satisfied and Avant! exercises the Option, it will
             have sole voting and dispositive power with respect to such shares.
             As a result of the Voting and Proxy Agreements, Avant! may be
             deemed to be the beneficial owner of 948,110 shares of Common Stock
             of Analogy, or approximately 9.8%, covered by such Agreements. Such
             1,916,750 shares (including those covered by the Option and those
             covered by the Voting and Proxy Agreements) would represent
             approximately 18.1% of the shares of Analogy (based on the number
             of shares of Analogy Common Stock outstanding on December 1, 1999
             and calculated pursuant to Rule 13d-3(d)(1), as represented to
             Avant! by Analogy). Nothing herein, however, shall be deemed to be
             an admission by Avant! that it is the beneficial owner of any of
             the shares covered by the Option or the Voting and Proxy
             Agreements, and Avant! hereby disclaims beneficial ownership of all
             shares covered by the Option and the Voting and Proxy Agreements.

        (b)  Avant! will have the sole power to vote and dispose of the 968,640
             shares of Analogy Common Stock for which it may be deemed
             beneficial owner should it become entitled and elect to exercise
             the Option. Avant! has shared power to direct the voting of the
             948,110 shares subject to the Voting and Proxy Agreements, and no
             power to dispose of such shares. No other person is known to have
             or share the right to receive or the power to direct the receipt of
             dividends from, or the proceeds from the sale of, such securities.

        (c)  To the knowledge of the reporting persons, the only transactions in
             the Common Stock of Analogy by any person named in this Item 5(a)
             during the past 60 days are the Option and Voting and Proxy
             Agreements reported in Item 3 above.

        (d)  No other person (other than the Analogy stockholders who have
             signed a Voting and Proxy Agreement in the case of the shares
             covered by such stockholder's Voting and

                                       6
<PAGE>

             Proxy Agreement) is known to have the right to receive or the power
             to direct the receipt of dividends from, or the proceeds of the
             sale of, the subject securities.

        (e)  Not applicable.

Item 6. Contracts, Arrangements, Understandings or Relationships With Respect
        to Securities of the Issuer.

        See Item 4 for a description of the Option, the Merger Agreement, the
        Plan of Merger, and the Voting and Proxy Agreements.

Item 7. Material to be Filed as Exhibits.


     Exhibit 1      Agreement of Merger

     Exhibit 2      Plan of Merger

     Exhibit 3      Form of Voting and Proxy Agreement

Signature.

     After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

Date:  December 10, 1999


/s/  GERALD C. HSU
- ----------------------------------
(Signature)


Gerald C. Hsu
President and Chief Executive Officer,
Avant! Corporation

                                       7
<PAGE>

                                  SCHEDULE I

          Set forth below are the names and present principal occupation or
employment of each executive officer and director of Avant!. The business
address of each of the persons listed below is the same as that set forth in
Item 2 for Avant!.

<TABLE>
<CAPTION>
      Executive Officers                    Present and Principal Occupation

- -----------------------------        ---------------------------------------------
<S>                             <C>
Gerald C. Hsu                   President, Chief Executive Officer and Chairman of the Board

Charles L. St. Clair            Secretary and Director

Stephen Tzyh-Lih Wuu            Executive Staff, Operations

Sam Chang                       Head of Finance
</TABLE>


Directors (who are not also                Present and Principal Occupation
Executive Officers of Avant!)
- -----------------------------     --------------------------------------------

Dan Taylor                      Retired Federal Employee

Moriyuki Chimura                Director

                                       8
<PAGE>

                               INDEX TO EXHIBITS

Exhibit
Number              Description
- ------              -----------

Exhibit 1           Agreement of Merger

Exhibit 2           Plan of Merger

Exhibit 3           Form of Voting and Proxy Agreement

                                       9

<PAGE>

                                                                       EXHIBIT 1

                              Agreement of Merger

                            dated December 2, 1999



                                     among

                              Avant! Corporation,

                             AC Acquisition Corp.

                                      and

                                 Analogy, Inc.
<PAGE>

                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                        PAGE
<S>                                                                                     <C>
Section 1  The Merger..................................................................   1

      1.1  The Closing.................................................................   1

      1.2  Effective Date of Merger....................................................   1

      1.3  Effects of Merger...........................................................   1

Section 2  Representations and Warranties of the Company...............................   1

      2.1  Capital Stock...............................................................   1

      2.2  Organization; Good Standing.................................................   3

      2.3  Authority; Enforceability...................................................   3

      2.4  No Violation................................................................   3

      2.5  Subsidiaries, Other Interests...............................................   3

      2.6  Financial Statements........................................................   4

           (a)  Financial Statements...................................................   4

           (b)  Certain Indebtedness...................................................   4

           (c)  Absence of Certain Liabilities.........................................   4

           (d)  Absence of Certain Changes.............................................   4

      2.7  Taxes.......................................................................   5

      2.8  Title to Properties.........................................................   6

      2.9  Inventories.................................................................   6

      2.10 Accounts Receivable.........................................................   7

      2.11 Leases......................................................................   7

      2.12 Facilities, Equipment.......................................................   7

      2.13 Insurance...................................................................   7

      2.14 Employment and Benefit Matters..............................................   7

      2.15 Contracts...................................................................  10

      2.16 Officers and Directors......................................................  10

      2.17 Corporate Documents.........................................................  10

      2.18 Legal Proceedings...........................................................  10

      2.19 Compliance with Instruments, Orders and Legal Requirements..................  11

      2.20 Permits.....................................................................  11
</TABLE>

                                       i
<PAGE>

                              TABLE OF CONTENTS
                                  (Continued)

<TABLE>
<CAPTION>
                                                                                       PAGE
<S>                                                                                     <C>
     2.21 Intellectual Property.......................................................  11

     2.22 Capital Expenditures........................................................  14

     2.23 Environmental Matters.......................................................  14

     2.24 Illegal Payments............................................................  15

     2.25 SEC Information.............................................................  15

     2.26 Board of Directors Approval; Fairness Opinion...............................  15

     2.27 No Dissenters' Rights.......................................................  16

     2.28 Option Substitution.........................................................  16

     2.29 Employee Stock Purchase Plan................................................  16

     2.30 Transfers of Technology.....................................................  16

     2.31 Representations.............................................................  16

Section 3 Representations and Warranties of Buyer.....................................  16

     3.1  Organization, Standing of Buyer and Buyer Subsidiary........................  16

     3.2  Authority; Enforceability...................................................  17

     3.3  Litigation..................................................................  17

     3.4  Proxy Materials.............................................................  17

Section 4 Conditions to Obligations of Buyer at Closing...............................  17

     4.1  Representations and Warranties..............................................  17

     4.2  Proxy Statement.............................................................  18

     4.3  Closing Certificate.........................................................  18

     4.4  Performance.................................................................  18

     4.5  Stockholder Approval........................................................  18

     4.6  Third-Party Action..........................................................  18

     4.7  Opinion of Counsel..........................................................  18

     4.8  Transactional Litigation....................................................  18

     4.9  Interim Events..............................................................  18

     4.10 Management Changes, Technical Employees.....................................  18

     4.11 Employment and Noncompetition Agreements....................................  19
</TABLE>

                                      ii
<PAGE>

                              TABLE OF CONTENTS
                                  (Continued)

<TABLE>
<CAPTION>
                                                                                       PAGE
<S>                                                                                     <C>
     4.12 Option Holder Approval......................................................  19

     4.13 Nonemployee Option Consents.................................................  19

     4.14 Financial Statement Compliance..............................................  19

     4.15 Corporate and Other Proceedings.............................................  19

     4.16 Cancellation of Company 401(k) Plan.........................................  19

     4.17 Officer and Director Resignations...........................................  19

     4.18 Advisory Opinion............................................................  19

     4.19 DARPA Letter................................................................  20

Section 5 Conditions to Company's Obligations at Closing..............................  20

     5.1  Representations and Warranties..............................................  20

     5.2  Closing Certificate.........................................................  20

     5.3  Performance.................................................................  20

     5.4  Stockholder Approval........................................................  20

     5.5  Third-Party Action..........................................................  20

     5.6  Opinion of Counsel..........................................................  20

     5.7  Transactional Litigation....................................................  20

     5.8  Corporate and Other Proceedings.............................................  21

Section 6 Covenants of Company, Buyer Subsidiary and Buyer............................  21

     6.1  Non-Disclosure..............................................................  21

     6.2  Nonsurvival of Representations and Warranties...............................  21

     6.3  Termination of this Agreement; Termination Fees.............................  21

     6.4  Reasonable Business Efforts, No Inconsistent Action.........................  22

     6.5  Access......................................................................  22

     6.6  No Solicitation or Negotiation..............................................  23

     6.7  Interim Financial Information...............................................  25

     6.8  Interim Conduct of Business.................................................  25

     6.9  Section 338 Election; Tax Status............................................  27

     6.10 Option to Purchase..........................................................  27
</TABLE>

                                      iii
<PAGE>

                              TABLE OF CONTENTS
                                  (Continued)

<TABLE>
<CAPTION>
                                                                                       PAGE
<S>                                                                                    <C>
     6.11 SEC Reports.................................................................  31

     6.12 Notice of Certain Events....................................................  31

     6.13 Takeover Statutes...........................................................  31

     6.14 Pay-Off.....................................................................  31

     6.15 Other Filings...............................................................  31

     6.16 Officers and Directors Indemnification......................................  32

Section 7 Miscellaneous...............................................................  33

     7.1  No Brokers, Finders.........................................................  33

          (a)  Company................................................................  33

          (b)  Buyer..................................................................  33

     7.2  Expenses....................................................................  33

     7.3  Complete Agreement; Waiver and Modification; No Third Party Beneficiaries...  33

     7.4  Notices.....................................................................  34

     7.5  Law Governing...............................................................  35

     7.6  Headings; References; "Hereof;" Interpretation..............................  35

     7.7  Successors and Assigns......................................................  35

     7.8  Counterparts, Separate Signature Pages......................................  35

     7.9  Severability................................................................  35

Section 8 Glossary....................................................................  35
</TABLE>

                                      iv
<PAGE>

                              Agreement of Merger

     This Agreement of Merger dated December 2, 1999 is entered into by Avant!
Corporation, a Delaware corporation (the "Buyer"), AC Acquisition Corp., an
Oregon corporation and wholly owned subsidiary of the Buyer ("Buyer
Subsidiary"), and Analogy, Inc., an Oregon corporation (the "Company").  The
Company is a developer and marketer of analog and mixed-technology design
systems and model libraries, including without limitation the Saber and Verias
simulator programs (the "Business").

     Capitalized terms used herein have the meanings stated in Section 8.

     The Buyer and the Company desire that the Buyer acquire the Company through
a merger of Buyer Subsidiary with and into the Company (the "Merger"), and the
Company desires to consummate the Merger, under the terms of this Agreement.

     Therefore, in consideration of the mutual agreements contained herein, the
parties hereby agree as follows:

Section 1 The Merger

     1.1     Closing. The closing (the "Closing") under this Agreement shall
take place at the offices of Ater Wynne LLP within 3 business days after the
satisfaction (or waiver by the party entitled to waive) of all conditions stated
in Sections 4 and 5, or at such other place or on such other date as the parties
may agree in writing.

     1.2     Effective Date of Merger. The Merger shall take effect upon filing
of articles of merger with respect to the Plan of Merger in the form attached
hereto as Exhibit A and incorporated herein by this reference (the "Plan of
Merger") with the Oregon Secretary of State in accordance with Oregon law (the
"Effective Time").

     1.3     Effects of Merger.  The effects of the Merger are set forth in
the Plan of Merger.

Section 2  Representations and Warranties of the Company

     Except as otherwise set forth in the Disclosure Schedule attached hereto
and incorporated herein (which Disclosure Schedule shall identify the section or
sections of this Agreement to which such exceptions relate), the Company hereby
represents and warrants to the Buyer as follows:


     2.1     Capital Stock.

     (a)     The authorized and outstanding capital stock of the Company, as of
December 1, 1999, is as follows:
<PAGE>

<TABLE>
<CAPTION>
                                            Shares
     Designation of Class                 Authorized        Shares Outstanding
     <S>                                  <C>               <C>
     Common Stock, no par value            35,000,000           9,631,911
     Preferred Stock, no par value          5,000,000                   0
</TABLE>

There is no capital stock of the Company authorized or outstanding except as
stated in this Section 2.1(a).  The outstanding Stock Rights of the Company are
as follows:

<TABLE>
<CAPTION>
                                                     Class of    Shares Subject to Stock
     Designation of Stock Right                        Stock              Right
     <S>                                             <C>         <C>
     Options under 1986 Stock Option Plan             Common              24,687

     Options under the Amended and Restated 1993
     Stock Incentive Plan                             Common           1,578,724

     Options under 1995 Stock Option Plan for
     Nonemployee Directors                            Common             100,000

     Warrants issued to Transamerica Business
     Credit Corporation                               Common              10,000

</TABLE>

There are no Stock Rights outstanding with respect to the Company except as set
forth in this Section 2.1(a), and the terms of such Stock Rights are as set
forth in Schedule 2.1.  Except as disclosed in Schedule 2.1, the Company is not
a party to any stockholders agreement, registration rights agreement, repurchase
agreement or other Contract with respect to capital stock or Stock Right issued
or to be issued by it.

     (b)  All of the issued and outstanding capital stock of the Company has
been duly and validly authorized and issued and is fully paid and non-
assessable, and has not been issued in violation of any preemptive or similar
rights of any stockholder or any applicable securities law. Except as disclosed
in Schedule 2.1, no Person has any right to require the Company to redeem,
purchase or otherwise reacquire any capital stock issued by the Company or any
Stock Rights with respect to any capital stock issued by the Company. There are
no preemptive or similar rights in respect of any capital stock of the Company
except as set forth in Schedule 2.1.

     (c)  The Company has never declared or paid any dividend or made any
distribution in respect of any of its capital stock or any Stock Rights with
respect thereto.  Since September 30, 1999, except as set forth in Schedule 2.1,
the Company has not directly or indirectly redeemed, purchased or otherwise
acquired any of the capital stock issued by it or any Stock Rights with respect
thereto.

                                       2
<PAGE>

     2.2  Organization; Good Standing.  The Company is a corporation duly
organized, validly existing and in good standing under the laws of Oregon and
has all requisite corporate power and authority to own, lease and operate its
Properties and to conduct the Business as currently conducted.  Schedule 2.2
sets forth (i) each jurisdiction in which the Company is qualified to do
business as a foreign corporation, (ii) the jurisdiction of incorporation of
each Subsidiary and (iii) each jurisdiction in which a Subsidiary is qualified
to do business as a foreign corporation.  The Company and each Subsidiary is in
good standing in each jurisdiction shown in Schedule 2.2, and neither the
Company nor any Subsidiary is required to qualify to do business as a foreign
corporation in any other jurisdiction in which the failure to so qualify would
have a Material Adverse Effect.  The Company holds all of the outstanding shares
of each Subsidiary.  Neither the Company nor any Subsidiary is a partner in any
general or limited partnership or a member in any limited liability company.

     2.3  Authority; Enforceability.  The Company has all requisite power and
authority under applicable corporate law to execute and deliver this Agreement
and to perform the transactions contemplated hereby and, subject to approval of
the Plan of Merger by the stockholders of the Company as contemplated hereby
(the "Stockholder Approval"), to consummate the Merger.  The execution and
delivery of this Agreement and the consummation of the transactions contemplated
hereby have been duly authorized by all requisite corporate action on the part
of the Company (subject to the Stockholder Approval), and no other approval on
the part of the Company is necessary under applicable corporate law for the
execution, delivery and performance of this Agreement.  This Agreement
constitutes a legal, valid and binding obligation of the Company, enforceable in
accordance with its terms, subject to general limitations on the availability of
equitable remedies and the effect of bankruptcy, insolvency, reorganization and
other laws of general application affecting the enforcement of creditors'
rights.

     2.4  No Violation.  The execution and delivery of this Agreement and the
consummation of the transactions contemplated hereby do not and will not violate
or conflict with the articles of incorporation or by-laws of the Company or any
Subsidiary, or, to the knowledge of the Company, violate any Legal Requirement
or Order applicable to the Company or any Subsidiary.  The execution and
delivery of this Agreement and the consummation of the transactions contemplated
hereby do not and will not (i) require any Third-Party Action with respect to
the Company or any Subsidiary under, or (ii) conflict with or constitute a
default under, or result in the acceleration or right of acceleration of any
obligations, or any termination or right of termination under, either (x) any
Contract (other than a Designated Contract) where such failure to secure Third-
Party Action, conflict, default, acceleration or termination would have a
Material Adverse Effect or (y) any Designated Contract.  The execution and
delivery of this Agreement and the consummation of the transactions contemplated
hereby do not and will not (i) result in the creation or imposition of any
material Lien, claim, charge, restriction, equity or encumbrance of any kind
upon or give any Person any interest or right in or with respect to any of the
Properties, assets, business or Contracts of the Company or any Subsidiary
otherwise than pursuant to a Designated Contract or (ii) result in the creation
or imposition of any Lien, claim, charge, restriction, equity or encumbrance of
any kind upon or give any Person any interest or right in or with respect to any
of the Properties, assets, business or Contracts of the Company or any
Subsidiary pursuant to a Designated Contract.

     2.5  Subsidiaries, Other Interests.  Except as set forth in Schedule 2.5,
neither the Company nor any Subsidiary beneficially owns, directly or
indirectly, any Equity Interest in or debt

                                       3
<PAGE>

obligation (except as a creditor in the ordinary course of business and except
for debt obligations of the Company or a Subsidiary as specified in Schedule
2.5) of, any Person. The owner shown in Schedule 2.5 owns the interest shown
free and clear of all Third-Party Rights.

     2.6    Financial Statements.

     (a)  Financial Statements.  Except as set forth in Schedule 2.6(a), the
audited consolidated balance sheets and consolidated statements of operations
and retained earnings and of cash flows for the Company at and for each of the
years ended March 31, 1999 (the "Last Fiscal Year-End"), March 31, 1998 and
March 31, 1997 (the "Audited Statements") and the unaudited consolidated balance
sheets and consolidated statements of operations and cash flows for the Company
at and for the period ended September 30, 1999 (the "Interim Statements" and,
together with the Audited Statements, the "Financial Statements") fairly present
the consolidated financial condition of the Company at the dates indicated and
the consolidated results of operations and cash flows of the Company for the
periods indicated in accordance with GAAP consistently applied throughout the
periods indicated (except as stated therein and, in the case of the Interim
Statements, the omission of certain footnote disclosures and subject to normal
year-end adjustments).

     (b)  Certain Indebtedness.  Schedule 2.6(b) sets forth all obligations of
the Company and its Subsidiaries with respect to borrowed money, debt
securities, capitalized leases and the deferred payment of the purchase price of
property or services over an original term of 6 months or more, and the Property
of the Company, if any, subject to a Lien to secure any of such obligations.

     (c)  Absence of Certain Liabilities.  Neither the  Company nor any
Subsidiary has any liability or obligation of any nature, whether absolute,
accrued, contingent or otherwise, arising out of acts or omissions heretofore
occurring, or circumstances currently or heretofore existing, except:  (i) as
expressly set forth in this Agreement (including without limitation disclosures
in the Schedules hereto); (ii) as accrued in the balance sheet included in the
Interim Statements (the "Interim Balance Sheet"); (iii) for liabilities and
obligations incurred since the date of the Interim Balance Sheet in the ordinary
course of business consistent in nature and amount with past practice; and (iv)
liabilities and obligations of a kind not required to be accrued in a balance
sheet at the date hereof prepared in accordance with GAAP which individually (or
in the aggregate for related events, transactions, defects or circumstances)
will not subject the Company or any Subsidiary to obligations in excess of
$25,000.

     (d)  Absence of Certain Changes.  Since the date of the Interim Balance
Sheet, except as set forth in Schedule 2.6(d):

          (i)   The Company and each Subsidiary has operated their consolidated
     business in the ordinary course.

          (ii)  There has been no change or changes which, individually or in
     the aggregate, has or have had or is or are reasonably likely to have a
     Material Adverse Effect.

          (iii) There has not been any damage, destruction or condemnation known
     to the Company with respect to Property having an aggregate net book value
     on the Company's consolidated books in excess of $25,000, net of any
     insurance recoveries.

                                       4
<PAGE>

          (iv)    There has not been any material change in the accounting
     methods, practices or principles of the Company.

          (v)      Neither the Company nor any Subsidiary has sold, transferred
     or otherwise disposed of (or agreed or committed to sell, transfer or
     otherwise dispose of) any Property other than the sale of inventory in the
     ordinary course, or canceled, compromised, released or assigned any debt or
     claim in its favor, where the aggregate amount of such sales, transfers,
     dispositions, cancellations, compromises, releases or assignments exceeds
     $25,000.

          (vi)     Neither the Company nor any Subsidiary has instituted,
     settled or agreed to settle any litigation, action or proceeding before any
     Governmental Agency.

          (vii)    Neither the Company nor any Subsidiary has assumed,
     guaranteed, endorsed or otherwise become responsible (or otherwise agreed
     to become responsible) for the obligations of any other Person, except for
     the endorsement of negotiable instruments in the ordinary course of
     business.

          (viii)   Neither the Company nor any Subsidiary has granted (or
     agreed or committed to grant) any increase in compensation or fringe
     benefits other than normal salary increases consistent with prior periods.

          (ix)     Neither the Company nor any Subsidiary has entered into any
     licensing or other Contract with regard to the acquisition or disposition
     of any material Intellectual Property other than non-exclusive licenses
     granted in the ordinary course of business consistent with past practice.

       2.7    Taxes.  Except as set forth in Schedule 2.7:

       (a)  The Company and each Subsidiary has properly completed and filed,
within the time and in the manner prescribed by law, all Tax returns and other
documents required to be filed in respect of all Taxes, and all such returns and
other documents are true, correct and complete in all material respects. The
Company has furnished to the Buyer copies of all income Tax returns of the
Company for the past 3 years. The Company and each Subsidiary has, within the
time and in the manner prescribed by law, paid all Taxes that are due and
payable. The Company has established reserves on its consolidated books that are
at least equal to those required by GAAP.

        (b)   (i)   None of such returns contained a disclosure statement under
        Section 6662 of the Code or any similar provision of foreign law;

              (ii)  The Company has not received written notice from any federal
     or foreign taxing authority asserting any deficiency against the Company or
     any Subsidiary or claim for additional Taxes in connection therewith, other
     than any deficiency or claim which has been previously settled or for which
     appropriate reserves are included in the Interim Statements;

              (iii) There is no pending action, audit, proceeding or
     investigation with respect to the assessment or collection of federal or
     foreign Taxes or a claim for refund made by the Company or any Subsidiary
     with respect to federal or foreign Taxes previously paid;

                                       5
<PAGE>

              (iv)   All amounts that are required to be collected or withheld
     by the Company and each Subsidiary with respect to federal or foreign Taxes
     have been duly collected or withheld, and all such amounts that are
     required to be remitted to any federal or foreign taxing authority have
     been duly remitted;

              (v)    No audit has been conducted of any federal or foreign
     income tax return filed by the Company or any Subsidiary. The time during
     which such returns remain open for examination has expired in accordance
     with applicable statute and regulations, except for those returns for which
     the normally applicable statutory/regulatory period has not yet elapsed;

              (vi)   Neither the Company nor any Subsidiary has requested nor
     been granted any currently effective waiver or extension of any statute of
     limitations with respect to the assessment or filing of any federal or
     foreign Tax or return with respect thereto;

              (vii)  No consent has been filed under Section 341(f) of the Code
     with respect to the Company or any Subsidiary;

              (viii) The Company is not required to include in income any
     adjustment pursuant to Section 481(a) of the Code (or similar provisions of
     foreign laws or regulations) by reason of a change in accounting method nor
     does the Company have any knowledge that the Internal Revenue Service (or
     other federal or foreign taxing authority) has proposed, or is considering,
     any such change in accounting method; and

              (ix)   Neither the Company nor any Subsidiary is a party to or
     bound by nor has any continuing obligation under any tax sharing or similar
     agreement or arrangement with any Person.

     2.8    Title to Properties.

     (a)  Neither the Company nor any Subsidiary owns any real Property.

     (b)  Schedule 2.8(b) is a true and complete summary based on the books and
records of the Company of all items of personal Property owned by the Company or
any Subsidiary with a consolidated net book value at the Last Fiscal Year-End in
excess of $5,000 per item.

     (c)  Except as set forth in Schedule 2.8(c), the Company and each
Subsidiary has good title to all tangible personal Properties, in each case free
and clear of all Third-Party Rights.

     (d)  The Company and its Subsidiaries, taken together, own all material
items of non-inventory tangible and intangible personal Property that were owned
as of the Last Fiscal Year-End and used in generating the revenue shown in the
audited consolidated statement of operations of the Company for the fiscal year
ending on the Last Fiscal Year-End, subject to any sales or dispositions of
tangible personal Property since the Last Fiscal Year-End in the ordinary course
of business.

     2.9  Inventories.  Except as set forth in Schedule 2.9, since the Last
Fiscal Year-End, all sales of inventory by the Company and its Subsidiaries have
been made in the ordinary course of business and no inventory has been pledged
as collateral.

                                       6
<PAGE>

     2.10   Accounts Receivable.  The consolidated accounts receivable of the
Company and its Subsidiaries (i) are bona fide and arose from valid sales in the
ordinary course of business in material conformity with all applicable Legal
Requirements, (ii) are valid and binding obligations of the debtors requiring no
further performance by the Company or any Subsidiary, and (iii) subject to the
allowance for doubtful accounts receivable in the Interim Balance Sheet, are
fully collectible and not subject to any offsets or counterclaims and do not
represent guaranteed sale, sell-or-return transactions or any other similar
understanding.  Except as shown on Schedule 2.6(b), no accounts receivable have
been pledged as collateral to any Person.  The amounts shown for accounts
receivable in the Financial Statements reflect an allowance for doubtful
accounts receivable in accordance with GAAP.

     2.11   Leases. Schedule 2.11 lists all leases, rental agreements,
conditional sales contracts and other similar Contracts under which the Company
or any Subsidiary leases (as lessor or lessee) any real or personal Property
with rental payments exceeding $10,000 per year (collectively, the "Disclosable
Leases"). All Disclosable Leases are, in all material respects, valid and
enforceable by the Company in accordance with their terms. Neither the Company
nor any Subsidiary nor, to the knowledge of the Company, any other party to any
Disclosable Lease is in material breach thereof. The Company and each Subsidiary
enjoys peaceable possession of all real estate premises subject to Disclosable
Leases to which it is a party and to all personal Property subject to
Disclosable Leases to which it is a party.

     2.12   Facilities, Equipment. The Company owns or leases all material land,
buildings and equipment used in the operation of its business. The Company has
not received any notice of any material violation of any Legal Requirement or
Order relating to the Company's facilities which has not been corrected, and no
facility of the Company is in material violation of any Legal Requirement or
Order.

     2.13   Insurance. Schedule 2.13 lists and describes briefly all binders and
policies of liability, theft, life, fire and other forms of insurance and surety
bonds, insuring the Company or any Subsidiary or their respective Properties,
assets and business as of the date hereof. Except as noted in Schedule 2.13, all
listed policies and binders insure on an occurrence, rather than claims-made,
basis. All policies and binders listed in Schedule 2.13 are valid and in good
standing and in full force and effect and the premiums have been paid when due.
Except for any claims set forth in Schedule 2.13, there are no outstanding
unpaid claims under such policy or binder, and, except as set forth in Schedule
2.13, neither the Company nor any Subsidiary has received any notice of
cancellation, general disclaimer of liability or non-renewal of any such policy
or binder.

     2.14   Employment and Benefit Matters.

     (a)  Schedule 2.14(a) lists each of the following for each employee of the
Company and each Subsidiary:  name, hire date and current salary.  None of the
employees listed on Schedule 2.14(a) has given the Company or such Subsidiary
notice of his or her intention to resign his or her position with the Company or
such Subsidiary and neither the Company nor such Subsidiary has any present
intention to terminate such employees.

     (b)  Schedule 2.14(b) lists all of the following items which are applicable
to the Company or any Subsidiary: (i) employment Contracts with any employee,
officer or director; and (ii) Contracts

                                       7
<PAGE>

or arrangements with any Person providing for bonuses, profit sharing payments,
deferred compensation, stock options or stock purchase rights (other than
options and warrants granted pursuant to those Stock Rights listed in Section
2.1(a)), retainer, consulting, incentive, severance pay or retirement benefits,
life, medical or other insurance, payments triggered by a change in control or
any other employee benefits or any other payments, "fringe benefits" or
perquisites which are not terminable at will without liability to the Company or
any Subsidiary or which are subject to ERISA. The contracts or arrangements
referred to in the foregoing clause (ii) are herein called "Benefit Plans."

     (c)    Neither the Company nor any of its ERISA Affiliates has any union
contracts, collective bargaining, union or labor agreements or other Contract
with any group of employees, labor union or employee representative(s), nor has
the Company or any ERISA Affiliate ever participated in or contributed to any
single employer defined benefit plan or multi-employer plan within the meaning
of ERISA Section 3(37), nor is the Company currently engaged in any labor
negotiations, excepting minor grievances, nor is the Company the subject of any
union organization effort.  The Company and each Subsidiary is in material
compliance with applicable Legal Requirements respecting employment and
employment practices and terms and conditions of employment, including without
limitation health and safety and wages and hours.  No complaint or other
proceeding by or on behalf of any current or former employee or group of
employees is pending against the Company or any Subsidiary before any
Governmental Agency, and no claim by any current or former employee or group of
employees that the Company or any Subsidiary is not in compliance with any Legal
Requirement relating to employees or employment is pending against the Company
or any Subsidiary.  There is no labor dispute, strike, slowdown or work stoppage
pending or threatened against the Company or any Subsidiary.

     (d)    True and correct copies of each Benefit Plan listed in Schedule
2.14(b) that is subject to ERISA (a "Company ERISA Plan") and related trust
agreements, insurance contracts, and summary descriptions have been delivered or
made available to the Buyer by the Company. The Company has also delivered or
made available to the Buyer a copy of the most recently filed IRS Form 5500,
with attached financial statements and accountant's opinions, if applicable, for
each Company ERISA Plan. The Company has also delivered or made available to the
Buyer a copy of, in the case of each Company ERISA Plan intended to qualify
under Section 401(a) of the Code, the most recent Internal Revenue Service
letter as to its qualification under Section 401(a) of the Code. Nothing has
occurred prior to or since the issuance of such letters to cause the loss of
qualification under the Code of any of such plans.

     (e)    With respect to each Company ERISA Plan, (i) there has been no
"prohibited transaction," as such term is defined in Section 406 of ERISA and
Section 4975 of the Code, (ii) each Company ERISA Plan has been administered in
accordance with its terms and in material compliance with all Legal Requirements
(including without limitation ERISA and the Code), (iii) the Company (or, as
appropriate, an ERISA Affiliate) has prepared in good faith and timely filed all
requisite governmental reports in true and correct form and has properly and
timely filed and distributed or posted all notices and reports to participants
and beneficiaries required to be filed, distributed or posted, (iv) no suit,
administrative proceeding, action or other litigation has been brought, or to
the knowledge of the Company is threatened, against any Company ERISA Plan or
against the Company with respect to any Company ERISA Plan, including without
limitation any audit or inquiry by the Internal Revenue Service or United States
Department of Labor, (v) the

                                       8
<PAGE>

Company and each ERISA Affiliate have performed all material obligations
required to be performed by them under, and are not in any material respect in
default under or in violation of, and have no knowledge of any material default
or violation of, any Company ERISA Plan, (vi) neither the Company nor any ERISA
Affiliate is subject to any liability or penalty under Sections 4976 through
4980 of the Code or Title I of ERISA, (vii) all contributions required to be
made by the Company or any ERISA Affiliate have been made on or before their due
dates, (viii) no "reportable event" within the meaning of Section 4043 of ERISA
(excluding any such event for which the 30-day notice requirement has been
waived under the regulations to Section 4043 of ERISA) nor any event described
in Section 4062, 4063 or 4041 of ERISA has occurred, (ix) no Company ERISA Plan
is covered by, and neither the Company nor any ERISA Affiliate has incurred or
expects to incur any material liability under, Title IV of ERISA or Section 412
of the Code, and (x) neither the Company nor any ERISA Affiliate is a party to,
or has made any contribution to or otherwise incurred any obligation under, any
"multi-employer plan" as defined in Section 3(37) of ERISA.

     (f)    The Company has complied with (i) the applicable health care
continuation and notice provisions of the Consolidated Omnibus Budget
Reconciliation Act of 1985 ("COBRA") and the proposed regulations thereunder,
(ii) the applicable requirements of the Family and Medical Leave Act of 1993 and
the regulations thereunder, and (iii) the applicable requirements of the Health
Insurance Portability and Accountability Act of 1996 and the temporary
regulations thereunder. The Company has no material obligations under COBRA with
respect to any former employees or qualifying beneficiaries thereunder.

     (g)    There has been no amendment to, written interpretation or
announcement (whether or not written) by the Company or other ERISA Affiliate
relating to, or change in participation or coverage under, any Benefit Plan
which would materially increase the expense of maintaining such Plan above the
level of expense incurred with respect to that Plan for the most recent fiscal
year included in the Audited Statements.

     (h)    Schedule 2.14(h) contains a true and correct list of each employee,
director or consultant who holds any stock option as of the date hereof,
together with (i) the number of shares of Company Common Stock subject thereto,
(ii) the date of grant, (iii) the extent to which such stock option is currently
vested and, to the extent such stock option is not fully vested, the vesting
schedule, (iv) the exercise price, (v) whether such stock option is intended to
qualify as an incentive stock option within the meaning of Section 422(b) of the
Code (an "ISO"), and (vi) the expiration date of such stock option.  Schedule
2.14(h) also sets forth the aggregate number of ISO's and nonqualified stock
options outstanding as of the date hereof.

     (i)    Neither the Company nor any Subsidiary is a party to any Contract or
plan, including, without limitation, any stock option plan, stock appreciation
right plan or stock purchase plan, as to which any benefits will be increased,
or the vesting of benefits will be accelerated, by the occurrence of any of the
transactions contemplated by this Agreement or the value of any benefits will be
calculated on the basis of any of the transactions contemplated by this
Agreement.

     (j)    Except as disclosed in Schedule 2.14(j), the Company and its ERISA
Affiliates do not maintain any plans providing benefits within the meaning of
Section 3(1) of ERISA (other than group health plan continuation coverage under
Section 601 of ERISA and 4980B(f) of the Code) to former employees or retirees.

                                       9
<PAGE>

  (k)  All Benefit Plans are in compliance with, and satisfy the requirements
of, the Family and Medical Leave Act of 1993.

  2.15   Contracts. Except as shown on Schedules 2.11 and 2.15, and except for
Contracts fully performed or terminable at will without liability to the
Company, neither the Company nor any Subsidiary is a party to any Contract which
contemplates performance by the Company or such Subsidiary during a remaining
period of more than 180 days or involves remaining commitments for sale or
purchase in excess of $25,000. True and complete copies of each Contract
disclosable on Schedule 2.15 (a "Disclosable Contract") have been delivered to
the Buyer. Each Disclosable Contract is, in all material respects, valid and
enforceable by the Company in accordance with its terms. Neither the Company nor
any Subsidiary nor, to the knowledge of the Company, any other party to any
Disclosable Contract is in material breach thereof.

  2.16   Officers and Directors.  Schedule 2.16 is a true and complete list of:

  (a)  the names and addresses of each of the Company's and each Subsidiaries'
officers and directors;

  (b)  the name of each bank or other financial institution in which the Company
or any Subsidiary has an account, deposit or safe deposit box and the names of
all persons authorized to draw thereon or to have access thereto; and

  (c)  the name of each bank or other financial institution in which the Company
or any Subsidiary has a line of credit or other loan facility.

  2.17   Corporate Documents.  The Company has furnished or made available to
the Buyer or its representatives true, correct and complete copies of (i) the
articles or certificate of incorporation and by-laws of the Company and each
Subsidiary, (ii) the minute books of the Company and each Subsidiary containing
all records required to be set forth of all proceedings, consents, actions and
meetings of the stockholders and board of directors of the Company or such
Subsidiary; and (iii) all material Permits and Orders with respect to the
Company and any Subsidiary.

  2.18   Legal Proceedings.

  (a)  There is no action, suit, proceeding or investigation pending in any
court or before any arbitrator or before or by any Governmental Agency against
the Company or any Subsidiary or any of their respective Properties or
businesses, and to the knowledge of the Company, there is no such action, suit,
proceeding or investigation threatened.

  (b) Neither the Company nor any Subsidiary has ever been notified in writing
that it has been subject to an audit, compliance review, investigation or like
contract review by the U.S. General Services Administration or any other
Governmental Entity or agent thereof in connection with any government contract
(a "Government Audit").  To the Company's knowledge, no Government Audit is
threatened and no basis exists for a finding of noncompliance with any material
provision of any government contract or for a material refund of any amounts
paid or owed to the Company or any Subsidiary by any Governmental Entity
pursuant to such government contract.

                                       10
<PAGE>

  2.19   Compliance with Instruments, Orders and Legal Requirements.  Neither
the Company nor any Subsidiary is in material violation of, or in default in any
material respect with respect to, any term or provision of its articles or
certificate of incorporation or bylaws, or, to the knowledge of the Company, any
Order or any Legal Requirement applicable to the Company or such Subsidiary.

  2.20   Permits. The Company and each Subsidiary holds all Permits material to
the conduct their consolidated business as and where now conducted.  To the
knowledge of the Company, there is not pending nor threatened any proceedings to
terminate, revoke, limit or impair any material Permit.

  2.21   Intellectual Property.

     (a) "Company Intellectual Property" means Intellectual Property used in the
business of the Company and its Subsidiaries as currently conducted or as
presently planned to be conducted, including without limitation, the
development, licensing and use of the programs and model libraries currently
being marketed (the "Programs"), other than Third-Party Intellectual Property.
Except as set forth on Schedule 2.21(a) and except for Third-Party Intellectual
Property licensed to the Company or a Subsidiary pursuant to an agreement listed
in Schedule 2.21(c)(ii), the Company or a Subsidiary owns, solely and
exclusively, and free and clear of any Third-Party Right, all title to and
rights in all Intellectual Property that is used in the business of the Company
and its Subsidiaries as currently conducted or as presently planned to be
conducted, including without limitation, the development, licensing and use of
the Programs.  "Intellectual Property" means patents, patent rights, trademarks,
trademark rights, trade names, trade name rights, service marks, copyright
registrations, copyrights, and any applications for any of the foregoing, net
lists, schematics, industrial models, inventions, technology, know-how, trade
secrets, computer software programs or applications (in both source code and
object code form), development documentation, programming tools, data, technical
information, and tangible or intangible proprietary information or material.
"Third-Party Intellectual Property" means Intellectual Property owned in whole
or in part by any Person other than the Company or a Subsidiary.

     (b) Schedule 2.21(b) lists all patents, patent applications, trademarks,
trade names, service marks and copyrights included in the Company Intellectual
Property which have been registered, issued or applied for and the jurisdictions
in which such Company Intellectual Property right has been issued, registered or
applied for.

     (c) Schedule 2.21(c)(i) lists those licenses, sublicenses and other
agreements, written or unwritten, to which the Company or any Subsidiary is a
party pursuant to which any Person is authorized to use, resell, sublicense or
market or distribute any product currently marketed or presently planned to be
marketed by the Company or a Subsidiary or any component or predecessor of any
such product and which have accounted for gross revenue in excess of $500,000 in
the aggregate during the three (3) years ended September 30, 1999.  Schedule
2.21(c)(ii) lists all written, and all material unwritten, licenses, sublicenses
and other agreements to which the Company or any Subsidiary is a party and
pursuant to which the Company or any Subsidiary is authorized to use, resell or
distribute any Third-Party Intellectual Property, including without limitation
software, opensource, freeware, shareware and hardware, which are incorporated
in or are a part of any products which the Company or any Subsidiary has sold,
resold, licensed or sublicensed, or which is

                                       11
<PAGE>

material to the current operations of the Company and its Subsidiaries, other
than (in the case of Third-Party Intellectual Property used internally only and
not embedded in products shipped to customers) readily-obtainable standard
products. The Company and each Subsidiary has, and at the relevant times in the
past had, all necessary rights to resell or distribute any hardware and software
of a third party which it resells or distributes or has resold or distributed.
Neither the Company nor any Subsidiary is in material violation of any license,
sublicense or agreement described in Schedule 2.21(c)(i) or (ii). To the
knowledge of the Company, neither the Company nor any Subsidiary, or any of the
products or operations of either, is in material violation of or materially
infringes any Third-Party Intellectual Property. Except as set forth on Schedule
2.21(c)(i) or (ii), neither the Company nor any Subsidiary has received any
claim that it has lost or will lose any rights of the Company or any Subsidiary
under any licenses to Third-Party Intellectual Property to which the Company or
such Subsidiary is a party. The execution and delivery of this Agreement by the
Company and, except as set forth in Schedule 2.21(c)(ii), the consummation of
the transactions contemplated hereby will neither cause the Company or any
Subsidiary to be in violation or default under any such license, sublicense or
agreement nor entitle any other party to any such license, sublicense or
agreement to terminate or modify such license, sublicense or agreement. Except
as listed on Schedule 2.21(c)(i) and for the Company's commercially available
products and pre-production and beta products licensed in the ordinary course of
business, neither the Company nor any Subsidiary has assigned or licensed to any
third party any right, title or interest in the Company Intellectual Property.
Except as listed on Schedule 2.21(c)(ii), neither the Company nor any Subsidiary
is contractually obligated to pay any compensation to any third party for the
use of the Company Intellectual Property or the Third-Party Intellectual
Property.

     (d) To the Company's knowledge there is no material unauthorized use,
disclosure, infringement or misappropriation of any Company Intellectual
Property or any Third-Party Intellectual Property licensed by or through the
Company by any third party, including without limitation any employee or former
employee of the Company or any Subsidiary.  Neither the Company nor any
Subsidiary has entered into any agreement to indemnify any other person against
any charge of infringement of any Third-Party Intellectual Property, other than
indemnification provisions contained in purchase orders or license agreements
arising in the ordinary course of business.

     (e) To the Company's knowledge, all patents, registered trademarks,
registered service marks and registered copyrights held by the Company and its
Subsidiaries are valid and subsisting.  To the Company's knowledge, there is no
assertion or claim (or basis therefor) challenging the validity of any Company
Intellectual Property.  Neither the Company nor any Subsidiary has been sued in
any suit, action or proceeding, or otherwise notified of any claim, which
involves a claim of infringement of any patent, trademark, service mark,
copyright or violation of any trade secret or other proprietary right of any
third party.  Neither the conduct of the business of the Company and its
Subsidiaries as currently conducted nor the manufacture, sale, licensing or use
of any of the products of the Company and its Subsidiaries as now manufactured,
sold or licensed or used, infringes on or conflicts with, in any way, any
trademark, trademark right, trade name, trade name right, service mark or
copyright, or, to the Company's knowledge, any patent, patent right, industrial
model or invention, of any third party that individually or in the aggregate has
or is reasonably likely to have a Material Adverse Effect.  To the Company's
knowledge and except as set forth on Schedule 2.21(e), no third party is
challenging the ownership by the Company nor any Subsidiary, or the validity or
effectiveness of, any of the Company Intellectual Property. Neither the Company
nor any Subsidiary

                                       12
<PAGE>

has brought any action, suit or proceeding for infringement of Company
Intellectual Property or breach of any license or agreement involving Company
Intellectual Property against any third party. There are no pending, or to the
Company's knowledge, threatened interference, re-examinations, oppositions or
nullities involving any patents, patent rights or applications therefor of the
Company or any Subsidiary. Except as set forth on Schedule 2.21(e), to the
Company's knowledge, there is no breach or violation by a third party of, or
actual or threatened, loss of rights under, any licenses to which the Company is
a party.

     (f) Except as set forth in Schedule 2.21(f), the Company or a Subsidiary
has secured written assignments from all current and former consultants and
employees who contributed to the creation or development of the Company
Intellectual Property currently being provided or marketed, or presently planned
to be provided or marketed, to customers or currently being used by the Company
or a Subsidiary of the rights to such contributions that the Company or such
Subsidiary does not already own by operation of law, recognizing the Company's
or Subsidiary's ownership of all such Company Intellectual Property and agreeing
to hold such of it as is not protected by patents, patent applications or
copyright ("Confidential Information") in confidence and not to use any
Confidential Information except in connection with such consultant's or
employee's work for the Company or a Subsidiary. No current or former consultant
or employee has claimed any rights to, interest in or rights to compensation for
use of any of the Company Intellectual Property currently marketed or currently
proposed to be marketed, by the Company or any Subsidiary.

     (g) The Company and each of its Subsidiaries has taken all commercially
reasonable steps to protect and preserve the confidentiality of all Confidential
Information.  Except as set forth on Schedule 2.21(g)(i), all use, disclosure or
appropriation of Confidential Information by or to a third party has been
pursuant to the terms of a written confidentiality or nondisclosure agreement
between the Company or any Subsidiary and such third party.  Schedule
2.21(g)(ii) contains copies of the Company's standard forms of confidentiality
and nondisclosure agreement.  Except as disclosed in Schedule 2.21(g)(iii)
(which lists those agreements containing material variations from the standard
forms of confidentiality and nondisclosure agreement), as of the date hereof,
the Company has not entered into any confidentiality and nondisclosure agreement
which contains terms materially different than as set forth in the standard
forms of such agreements contained in Schedule 2.21(g)(ii).

     (h) Schedule 2.21(h) lists (including names, addresses, contact names,
telephone numbers and termination date and next renewal date) all Contracts or
other arrangements currently in effect pursuant to which the Company or any
Subsidiary is obligated to provide installation, maintenance or other support
services (collectively, the "Support Agreements").  Except for any nonstandard
maintenance agreements specified as such in Schedule 2.21(h), all of the Support
Agreements are in all material respects in the form of the license agreement
identified as the standard maintenance agreement set forth in Schedule 2.21(h).
The versions of the products currently supported by the Company are set forth in
Schedule 2.21(h).

     (i) There are no material defects in the Company's products, and there are
no material errors in any documentation, specifications, manuals, user guides,
promotional material, internal notes and memos, technical documentation,
drawings, flow charts, diagrams, source language statements, demo disks,
benchmark test results, and other written materials related to, associated with
or used or produced in the development of the Company's or its Subsidiaries'
products, which defects or errors have or are reasonably likely to have,
individually or in the aggregate, a Material Adverse Effect.

                                       13
<PAGE>

To the Company's knowledge, the current versions of the Programs, including,
without limitation, any time-and-date-related codes, data entry features and
internal subroutines thereof, (a) automatically accommodate the change in the
date from December 31, 1999 to January 1, 2000 without negatively affecting the
Programs' performance; and (b) accurately accept, reflect and calculate all
dates that are relevant to the Programs' performance, when used with products
that properly exchange date data with the Programs.

     (j) Schedule 2.21(j) lists, as of the date hereof, all written agreements
or other arrangements under which the Company or any Subsidiary has provided or
agreed to provide source code of any Program or any other Company Intellectual
Property to any third Person, whether pursuant to escrow arrangements or
otherwise.

     (k) The Company has made available to the Buyer copies of the Company's
standard forms of end-user license.  Except as disclosed in Schedule 2.21(k), as
of the date hereof, the Company has not entered into any end-user license in the
last three (3) years involving payments to the Company in excess of $25,000
which contains terms materially different than as set forth in the standard
forms of such agreements made available to the Buyer.

     (l) No government funding or university or college facilities were used in
the development of any Program and no Program was developed pursuant to any
contract or other agreement with any person or entity except pursuant to
contracts or agreements listed in Schedule 2.21(l).

     (m) The Company has no customer warranty obligations currently if effect
other than as set forth in end-user agreements listed in Schedule 2.21(k). The
Company categorizes quality assurance incidents reported by its Subsidiaries or
its Subsidiaries' customers into the following categories: Priority 1 - an
inherently essential product feature or application is not available or
functioning; Priority 2 - problem adversely affects completion of task, no
workaround solution exists; Priority 3 - final output of a process is correct
but other errors exist; and Priority 4 - errors which do not affect the accuracy
of the delivered product or that are cosmetic. Schedule 2.21(m) lists all
currently pending Priority 1 and 2 items related to products currently or
previously marketed by the Company or a Subsidiary and the nature thereof that
are pending or were made within the past twelve months. Except as set forth in
Schedule 2.21(m), to the knowledge of the Company, the Company has not made any
material oral or written representations or warranties with respect to its
products or services.

     (n) Except as set forth in Schedule 2.21(n), neither any single customer of
the Company which individually accounted for more than five percent (5%) or over
$1 million of the Company's gross revenue during the thirty-six (36) months
ended September 30, 1999 nor any material supplier of the Company has cancelled
or threatened to cancel its relationship with the Company.

     2.22 Capital Expenditures.  Schedule 2.22 sets forth, by nature and amount,
all budgeted capital expenditures of the Company and its Subsidiaries for which
commitments have been or are budgeted to be made, or for which payments or
current liabilities have been made or incurred or are budgeted to be made or
incurred, after the Last Fiscal Year-End in excess of $5,000.

     2.23 Environmental Matters.  There are no Hazardous Materials used or
present at any location used by the Company or a Subsidiary or any predecessor
entity of either in the conduct of

                                       14
<PAGE>

the Business, except for any Hazardous Materials constituting normal office
supplies. To the knowledge of the Company, no location currently or previously
used by the Company or a Subsidiary or any predecessor entity of either is
contaminated by any Hazardous Material or was previously used for any purpose
other than office space. There are no environmental materials or conditions,
including on-site or off-site disposal or releases of Hazardous Materials that
could reasonably be expected to have a Material Adverse Effect. To the knowledge
of the Company, no event has occurred and no activity has been or is being
conducted by the Company, a Subsidiary or any other Person which has resulted or
could reasonably result in contamination of any location currently or previously
used by the Company or a Subsidiary or any predecessor entity of either by any
Hazardous Material. Neither the Company, any Subsidiary nor any predecessor
entity of either has received any written communication from any Governmental
Entity alleging that the Company, Subsidiary or predecessor entity or any
premises currently or previously occupied by any of such Persons is contaminated
by any Hazardous Materials or in violation of any Environmental Requirement. To
the knowledge of the Company, no Government Agency has commenced any
investigation or proceeding with respect to the contamination of any location
currently or previously used by the Company or a Subsidiary or any predecessor
entity of either by any Hazardous Material.

     2.24 Illegal Payments.  To the best knowledge the Company, none of the
Company, any Subsidiary or any director, officer, employee, or agent of the
Company or any Subsidiary has, directly or indirectly, paid or delivered any
fee, commission, or other sum of money or item of property however characterized
to any broker, finder, agent, government official, or other person, in the
United States or any other country, in any manner related to the business or
operations of the Company or any Subsidiary, which the Company, any Subsidiary
or any such director, officer, employee, or agent knows or has reason to believe
to have been illegal under any law.

     2.25 SEC Information.  Except as set forth in Schedule 2.25, as of their
respective filing dates (except as thereafter amended) all documents that the
Company has filed with the SEC (the "Company SEC Documents") have complied in
all material respects with the applicable requirements of the Act or the
Exchange Act, as the case may be, and none of the Company SEC Documents has
contained any untrue statement of a material fact or omitted to state a material
fact required to be stated therein or necessary in order to make the statements
made therein, in light of the circumstances under which they were made, not
misleading except to the extent corrected by a subsequently filed Company SEC
Document filed prior to the date hereof.

     2.26 Board of Directors Approval; Fairness Opinion.

     (a)  The members of the Board of Directors of the Company present at the
meeting called to discuss the Merger have unanimously approved this Agreement
and the Plan of Merger and unanimously recommended this Agreement and the Plan
of Merger to the Company's stockholders.  Such approval and recommendation have
not been modified or withdrawn and are in full force and effect on the date
hereof.  The Company's financial adviser, Broadview Int'l LLC, has rendered its
opinion to the Board of Directors of the Company that the consideration to be
received in the Merger is fair to the Company's stockholders from a financial
point of view.  Prior to the Company's entry into this Agreement, each of the
Company's officers and directors has entered into a voting agreement with the
Buyer to vote all Shares beneficially owned by such officer or director in favor
of the Merger.

                                       15
<PAGE>

     (b)  The transactions contemplated by this Agreement (i) are not subject to
the "fair price," "moratorium," "control share acquisition" or other similar
statute (a "Takeover Statute") of any jurisdiction other than the State of
Oregon.  The Oregon Control Share Act is not applicable to the Merger by virtue
of ORS 60.801(4)(e)(F), which exempts a merger effected in compliance with ORS
60.481 to 60.501.  The Oregon Business Combination statute does not apply to the
Merger because the Merger has been approved by the Company's Board of Directors.
There are no other Takeover Statutes of the State of Oregon applicable to the
Company or any Subsidiary.

     2.27  No Dissenters' Rights.  No stockholder of the Company is entitled to
exercise or obtain any form of dissenters' rights under the Oregon Business
Corporation Act ("OBCA").

     2.28  Option Substitution.  No Person holding an option issued under the
Company's Amended and Restated 1993 Stock Incentive Plan may, pursuant to the
terms of such plan, object to the substitution of such options with options of
the Buyer as set forth in Section 3.2 of the Plan of Merger.

     2.29  Employee Stock Purchase Plan.  The Company has taken all necessary
action to provide that (i) the number of Company common shares available for
issuance under the Company's 1996 Employee Stock Purchase Plan, as amended (the
"Stock Purchase Plan"), has been increased from 300,000 to 600,000, (ii) the
current offering period under the Stock Purchase Plan shall be terminated as of
the earliest date after the required notice has been provided to each
participant in the Stock Purchase Plan (the "Plan Termination Date"), (iii) each
participant in the Stock Purchase Plan on the date hereof shall be deemed to
have exercised his or her Purchase Right (as defined in the Stock Purchase Plan)
on the Plan Termination Date and shall acquire from the Company (a) such number
of whole shares of Company Common Stock as his or her accumulated payroll
deductions on the Plan Termination Date will purchase at the Offering Exercise
Price (as defined in the Stock Purchase Plan)(treating the last business day
prior to the Plan Termination Date as the "Purchase Date" for all purposes of
the Stock Purchase Plan) and (b) cash in the amount of any remaining balance in
such participant's account, and (iv) the Stock Purchase Plan shall be terminated
effective as of the Plan Termination Date.

     2.30 Transfers of Technology.  The Company has not licensed or otherwise
transfered any versions of the Verias Simulator to any foreign firms or
institutions, other than those transfers made in executable code form, all of
which will be disclosed to DARPA.

     2.31 Representations.  No representation or warranty by the Company in this
Agreement (including without limitation the Schedules and Exhibits attached
hereto), or in any document furnished by the Company at the Closing pursuant
hereto contains any untrue statement of a material fact or omits to state a fact
necessary to make the statements contained in such representation or warranty
not misleading.

Section 3 Representations and Warranties of Buyer

        The Buyer hereby represents and warrants to the Company that, on and as
of the date hereof:

     3.1  Organization, Standing of Buyer and Buyer Subsidiary.  The Buyer is a
corporation duly organized, validly existing and in good standing under the laws
of the State of Delaware.  Buyer Subsidiary is a corporation duly organized,
validly existing and in good standing

                                       16
<PAGE>

under the laws of the State of Oregon. The Buyer and Buyer Subsidiary have full
power and authority under applicable corporate law to own, lease and operate
their Properties and to carry on the business in which they are engaged.

  3.2    Authority; Enforceability.  The Buyer and Buyer Subsidiary have all
necessary power and authority under applicable corporate law to execute, deliver
and perform their obligations under this Agreement.  The execution, delivery and
performance of this Agreement by the Buyer and Buyer Subsidiary has been duly
authorized by all necessary action under applicable corporate law.  This
Agreement constitutes a legal, valid and binding obligation of the Buyer and
Buyer Subsidiary, enforceable in accordance with its terms, subject to general
limitations on the availability of equitable remedies and the effect of
bankruptcy, insolvency, reorganization and other laws of general application
affecting the enforcement of creditors' rights.  The execution, delivery and
performance of this Agreement by the Buyer and Buyer Subsidiary and the
consummation by the Buyer and Buyer Subsidiary of all of the transactions
contemplated hereby, (x) do not require any Third-Party Action relating to the
Buyer or Subsidiary except those listed on Schedule 3.2, (y) do not violate any
Legal Requirement or Order applicable to the Buyer or Buyer Subsidiary and (z)
do not conflict with or constitute a default (with or without the giving of
notice or the passage of time or both) under, or result in any acceleration or
right of acceleration of any obligations under, any Contract to which the Buyer
or Buyer Subsidiary is a party, where, in each case, the absence of such Third-
Party Action or such violation, conflict, default or acceleration would in any
way adversely affect the transactions contemplated hereby.

  3.3    Litigation.  There are no claims, actions, suits or other proceedings
pending, or to the knowledge of the Buyer, threatened, at law or in equity, by
or before any Governmental Agency or any arbitrator against the Buyer which
could reasonably be expected to have an adverse effect on the ability of the
Buyer to perform its obligations under this Agreement.

  3.4    Proxy Materials.  All of the information to be furnished by the Buyer
or Buyer Subsidiary for inclusion in the Proxy Statement will not, on the date
it is first mailed to the Company's stockholders, and on the date of the
Company's stockholders' meeting, contain any statement which is false or
misleading with respect to any material fact or omit to state any material fact
required to be stated therein or necessary in order to make the statements
therein, in light of the circumstances under which they were made, not
misleading.

Section 4 Conditions to Obligations of Buyer and Buyer Subsidiary at Closing

  The obligations of the Buyer and Buyer Subsidiary hereunder to be performed at
the Closing are subject to the satisfaction at or prior to the Closing of the
following conditions, except for any condition the Buyer may waive in writing in
accordance with Section 7.3.

  4.1    Representations and Warranties.  The representations and warranties
contained in Section 2 shall have been true in all material respects on the date
of this Agreement and shall be true in all material respects at and as of
immediately prior to the Closing with the same effect as though made at and as
of immediately prior to the Closing.  The updating of Schedules to disclose
nonmaterial changes in the underlying matters disclosed therein occurring from
the date hereof to the Effective Time shall not constitute a failure of the
condition set forth in this Section 4.1.

                                       17
<PAGE>

     4.2  Proxy Statement.  The Proxy Statement shall comply as to form in all
material respects with the applicable requirements of the Exchange Act and the
rules and regulations promulgated thereunder, and shall not, at the time of (i)
first mailing thereof or (ii) the stockholders' meeting to be held in connection
with the Merger, contain any untrue statement of a material fact or omit to
state any material fact required to be stated therein or necessary in order to
make the statements therein, in light of the circumstances under which they were
made, not misleading, except that this condition shall not apply with respect to
information supplied by the Buyer or any affiliates or representatives of the
Buyer for inclusion in the Proxy Statement.

     4.3  Closing Certificate.  The Company shall have delivered to the Buyer
its certificate dated the date of the Closing that the conditions specified in
Sections 4.1, 4.2 and 4.4 are satisfied.  Such certificate shall be deemed a
representation and warranty of the Company under Section 2 for all purposes of
this Agreement.

     4.4  Performance.  The Company shall have performed and complied in all
material respects with all covenants required herein to be performed or complied
with by it on or before the Closing.

     4.5  Stockholder Approval.  The Stockholder Approval shall have been
given.

     4.6  Third-Party Action.   All Third-Party Action required under the
Designated Contracts in order to consummate the Closing on the terms hereof
shall have been taken, and all Third-Party Action required (other than under the
Designated Contracts) in order to consummate the Closing on the terms hereof,
other than any such Third-Party Actions which in the aggregate would not have a
Material Adverse Effect, shall have been taken, and the Hart-Scott waiting
period shall have expired.

     4.7  Opinion of Counsel. The Buyer shall have received from Ater Wynne LLP,
counsel to the Company, an opinion dated the date of the Closing, in form and
substance substantially as set forth in Exhibit B.

     4.8  Transactional Litigation.  No action, suit or proceeding before any
Governmental Agency shall have been commenced and not dismissed, and no
investigation by any Governmental Agency shall have been commenced or overtly
threatened, against the Company, the Buyer, Subsidiary, or any of their
respective principals, officers, directors or shareholders seeking to restrain,
prevent or change the transactions contemplated hereby or questioning the
validity or legality of any of such transactions or seeking damages in
connection with any of such transactions.

     4.9  Interim Events.  None of the events listed in Sections 6.8(a) through
(v) shall have occurred without the Buyer's written consent.

     4.10 Management Changes, Technical Employees.  No change in the executive
management of the Company as listed on Schedule 4.10(a) shall have occurred from
the date hereof, and not less than 80% of the Company's employees listed on
Schedule 4.10(b) shall have indicated to the Buyer, in form reasonably
satisfactory to the Buyer, their intention to continue their employment with the
Company or the Buyer on substantially their current terms following the Merger.

                                       18
<PAGE>

     4.11 Employment and Noncompetition Agreements.  The individuals designated
in Schedule 4.11 shall have entered into (i) employment agreements with the
Buyer in form satisfactory to the Buyer, in replacement of the employment
agreements, if any, currently in effect between each of them and the Company and
(ii) proprietary information and noncompetition agreements with the Buyer
substantially in the form attached as Exhibit C.

     4.12 Option Holder Approval.  At least 75% of the Company employees who
hold options to acquire Shares as of the date hereof under the Company's 1986
Stock Option Plan shall have agreed to accept options to acquire shares of the
Buyer's common stock (issued under the Buyer's 1995 Stock Option / Stock
Issuance Plan) in substitution for such Company stock options held by such
employees as of the date hereof.

     4.13 Nonemployee Option Consents.  The Company shall have obtained the
consent (i) of those option holders, if any, described in Section 3.1 of the
Plan of Merger to the conversion of such options into the right to receive the
Spread Amount (as defined in the Plan of Merger) and (ii) of all option holders
under the 1995 Stock Option Plan for Nonemployee Directors to the cancellation
of all options under such plan.

     4.14 Financial Statement Compliance.  The Buyer shall have received
confirmation from its outside auditors, KPMG Peat Marwick LLP, reasonably
satisfactory to the Buyer, that the Financial Statements are satisfactory in
form for inclusion in the Buyer's SEC filings, both for reporting the Merger and
on a going forward basis.

     4.15 Corporate and Other Proceedings.  All corporate and other proceedings
on the part of the Company in connection with the transactions to be consummated
at the Closing, and all documents and instruments incident to such transactions,
shall be reasonably satisfactory in substance and form to the Buyer.

     4.16 Cancellation of Company 401(k) Plan.  The Company shall have canceled
its 401(k) Plan effective as of prior to the Closing.  The Company has provided
the Buyer with a copy of the most recent determination letter issued by the
Internal Revenue Service with regard to the Plan.  The parties acknowledge and
agree that the Company will cancel its 401(k) Plan as of December 31, 1999 and
pay any matching funds due to the accounts of the 401(k) Plan participants (in
accordance with the amounts accrued in the Financial Statements) at that time.
The Company's 401(k) Plan shall remain in effect to the extent necessary to
permit the rollover of all funds held by the Plan's participants.

     4.17 Officer and Director Resignations.  All officers and directors of the
Company shall have submitted their resignations in writing, effective as of the
Effective Time.

     4.18 Advisory Opinion.  The Company shall have received a written advisory
opinion from the United States Department of Commerce, in form satisfactory to
the Buyer in its reasonable discretion, stating that the Saber Simulator and the
Verias Simulator, and all models provided in the Company's model library, have
an ECCN of 3D991.  As a result of such ECCN classification, the Company did not
ship either simulator product into any jurisdiction where an export license was
required.

                                       19
<PAGE>

     4.19 DARPA Letter.  The Company shall have received a written letter of
assurance from the United States Defense Advanced Research Projects Agency
("DARPA"), in form satisfactory to the Buyer in its reasonable discretion,
stating that (i) any past transfers to foreign firms or institutions by the
Company of any versions of the Verias Simulator in executable code format did
not constitute a breach of the terms of the DARPA Agreement and based on such
transfers DARPA will not assert any rights to a royalty on commercial products
which included the Verias Simulator, (ii) DARPA will not discriminate in
awarding funding to the Buyer in the future as the result of any past transfers
to foreign firms or institutions by the Company of any versions of the Verias
Simulator in executable code format and (iii) no other monetary fines,
reimbursement of funds or rights to royalties will be assessed or demanded by
DARPA against the Company based on facts disclosed to DARPA.

Section 5  Conditions to Company's Obligations at Closing

  The obligations of the Company hereunder to be performed at the Closing are
subject to the satisfaction at or prior to the Closing of the following
conditions, except for any condition the Company may waive in accordance with
Section 7.3.

  5.1    Representations and Warranties.   The representations and warranties of
the Buyer contained in Section 3 shall have been true in all material respects
on the date of this Agreement and shall be true in all material respects at and
as of immediately prior to the Closing with the same effect as though made at
and as of immediately prior to the Closing.

  5.2    Closing Certificate.  The Buyer shall have delivered to the Company a
certificate dated the date of the Closing that the conditions specified in
Sections 5.1 and 5.3 are satisfied.  Such certificate shall be deemed a
representation and warranty of the Buyer under Section 3 for all purposes of
this Agreement.

  5.3    Performance.  The Buyer shall have performed and complied in all
material respects with all covenants required herein to be performed or complied
with by the Buyer on or before the Closing.

  5.4    Stockholder Approval. The Stockholder Approval shall have been given.

  5.5    Third-Party Action.   All Third-Party Action required in order to
consummate the Closing on the terms hereof, other than any the absence of which
in the aggregate would not have a material effect on the transactions
contemplated hereby, shall have been taken, and the Hart-Scott waiting period
shall have expired.

  5.6    Opinion of Counsel.  The Company shall have received from McCutchen,
Doyle, Brown & Enersen LLP, counsel to the Buyer, an opinion dated the date of
the Closing, in form and substance substantially as set forth in Exhibit D.

  5.7    Transactional Litigation.  No action, suit or proceeding before any
Governmental Agency shall have been commenced, and no investigation by any
Governmental Agency shall have been commenced or overtly threatened, against the
Company, the Buyer, Buyer Subsidiary or any of their respective principals,
officers, directors or stockholders seeking to restrain, prevent or change

                                       20
<PAGE>
the transactions contemplated hereby or questioning the validity or legality of
any of such transactions or seeking damages in connection with any of such
transactions.

  5.8    Corporate and Other Proceedings.  All corporate and other proceedings
on the part of the Buyer and Buyer Subsidiary in connection with the
transactions to be consummated at the Closing, and all documents and instruments
incident to such transactions, shall be reasonably satisfactory in substance and
form to the Company.

Section 6 Covenants of Company, Buyer Subsidiary and Buyer

  6.1    Non-Disclosure.  Each party agrees not to divulge or communicate, or
use for any purpose other than evaluating this transaction or exercising rights
as a party hereto, any information or materials concerning this Agreement, the
negotiation between the parties hereto and the transactions contemplated hereby,
except to the extent that such information (w) is or hereafter becomes lawfully
obtainable from other sources, (x) is required to be disclosed to a Governmental
Agency having jurisdiction over the party or its Affiliates, (y) is otherwise
required by law to be disclosed or (z) is disclosed following a waiver in
writing from the other parties.  Promptly after the date hereof and after the
Effective Time, the Buyer and the Company will issue a mutually agreeable press
release concerning the transactions contemplated hereby. The parties hereto will
consult and cooperate with each other and agree upon the terms and substance of
all press releases, announcements and public statements with respect to this
Agreement and the Merger, provided, however, that such consultation and
cooperation shall not interfere with any obligation of either party hereto to
disclose any information as required by applicable law.  Any press release or
other announcement by any party with respect to the Merger will be subject to
the consent and approval of the other party, which consent or approval will not
be unreasonably withheld.  The parties also hereby ratify and confirm the
confidentiality letter dated October 19, 1999, which shall continue in effect.

  6.2    Nonsurvival of Representations and Warranties.  The representations and
warranties of the Company set forth in this Agreement or any instrument
delivered pursuant to this Agreement will expire at and shall not survive the
Effective Time, and the Surviving Corporation (as defined in the Plan of Merger)
shall have no liability with respect to any such representation or warranty and
shall not be subject to any contribution, indemnity or similar claims with
respect thereto by any Person.  However, nothing in this Section 6.2 will
relieve any Person from liability for his, her or its knowing personal fraud.

  6.3    Termination of this Agreement; Termination Fees.

  (a)  If any condition of the Closing stated in Section 4 is not satisfied on
or before March 31, 2000, then, provided the Buyer is not in material default
hereunder, the Buyer may at any time thereafter terminate any further
obligations under this Agreement by giving written notice thereof to the
Company.  If any condition of the Closing stated in Section 5 is not satisfied
on or before such date, then, provided the Company is not in material default
hereunder, the Company may at any time thereafter terminate any further
obligations under this Agreement by giving written notice thereof to the Buyer.
This Agreement may be so terminated, or terminated by mutual agreement of the
parties upon the authorization of their respective boards of directors,
notwithstanding approval of this Agreement by the stockholders of any or all
parties.  Furthermore, this Agreement may be

                                       21
<PAGE>

terminated by either party if any Governmental Agency shall have issued an
injunction or taken any other action (which injunction or other action the
parties hereto shall use their reasonable business efforts to lift), which
permanently restrains, enjoins or otherwise prohibits the Merger, and such
injunction shall have become final and non-appealable.

  (b)  In addition, the Board of Directors of the Company may terminate this
Agreement pursuant to Section 6.6(e) in the circumstances there specified if,
simultaneously with such termination, the Company pays the Buyer $1,000,000 by
wire transfer of immediately available funds.

  (c)  In the event the Board of Directors of the Company withdraws or modifies
its approval or recommendation of the Merger or approves or recommends a
Superior Proposal pursuant to Section 6.6(e), or the Merger is voted down by the
Company's stockholders, or this Agreement is terminated by the Buyer prior to
the Effective Time after the date specified in Section 6.3(a) for failure to
satisfy the conditions specified in Section 4 herein (except for the conditions
specified in Sections 4.6, 4.8 (if the suit or proceeding primarily alleges a
Buyer legal deficiency), 4.10, 4.11, 4.12, 4.14, 4.15, 4.18 or 4.19), or this
Agreement is terminated by the Company prior to the Effective Time after the
date specified in Section 6.3(a) for failure to satisfy the conditions specified
in Sections 5.4, 5.5 or 5.7 (if the suit or proceeding primarily alleges a
Company legal deficiency), or if this Agreement is terminated by the Buyer due
to a material breach hereof by the Company, and in any such case a Third-Party
Transaction is announced within 12 months after such withdrawal, modification,
approval, recommendation, vote or termination which is thereafter consummated
(or is consummated within such 12-month period, irrespective of any
announcement), the Company will, simultaneously with such consummation, pay the
Buyer $1,000,000 by wire transfer of immediately available funds.

  (d)  In the event the Board of Directors of the Company withdraws or modifies
its approval or recommendation of the Merger or approves or recommends a
Superior Proposal pursuant to Section 6.6(e), or the Merger is voted down by the
Company's stockholders, the Buyer may, at any time thereafter, at its sole
option by notice given to the Company, terminate any obligation on its or the
Buyer Subsidiary's part to consummate the Merger.  Any such termination will not
affect the Buyer's rights under Section 6.3(c), or, in the case of breach by the
Company, be in lieu of or adversely affect in any way any right or remedy
otherwise available to the Buyer.

  (e)  Any termination pursuant to this Section 6.3 will not, however, terminate
or otherwise affect the obligations of the parties under Sections 6.1, 7.1 or
7.2.

  6.4  Reasonable Business Efforts, No Inconsistent Action.  Each party will
use its reasonable business efforts to cause the conditions over which it has
control to be satisfied on or before the Closing.  No party will take any action
which will foreseeably result in the nonsatisfaction of any condition stated in
Section 4 or 5 on or before the Closing.

  6.5  Access.  Between the date of this Agreement and the Closing or any
earlier termination of this Agreement in accordance with its terms, the Company
will (i) give the Buyer and its authorized representatives access to its books,
records, Properties, officers, attorneys and accountants and permit the Buyer to
make inspections and copies of such books and records, and (ii) furnish the
Buyer with such financial information and operating data and other information
with

                                       22
<PAGE>

respect to its business and Properties, and to discuss with the Buyer and its
authorized representative its affairs, all as the Buyer may from time to time
reasonably request for the purposes of this Agreement, during normal office
hours. Any on-site visit shall be subject to reasonable advance notice and to
being accompanied by an officer or designated employee of the Company. No
information furnished to the Buyer pursuant to this Section 6.5 or otherwise
known to the Buyer shall affect any representation, warranty or condition in
this Agreement.

     6.6  No Solicitation or Negotiation.

     (a) Until the earlier of the termination of this Agreement pursuant to its
terms or the Effective Time, neither the Company nor any Subsidiary nor any
representative of the Company or any Subsidiary shall, directly or indirectly,
take any action to (i) encourage, solicit or initiate the submission of any
Acquisition Proposal or any inquiries with respect thereto, (ii) enter into any
agreement for or relating to a Third-Party Transaction, or (iii) participate in
any way in discussions or negotiations with, or furnish any non-public
information to, any Person in connection with any Acquisition Proposal.
Notwithstanding any other provision of this Section 6.6(a), the Company may,
prior to the Stockholder Approval, in response to an unsolicited bona fide
written offer or proposal made by a third party which is reasonably likely to
lead to a Superior Proposal, provide non-public information to or have
discussions or negotiations with such third party, if and only to the extent
that the Board of Directors has determined in good faith, after receiving the
advice of its outside counsel, that such action is necessary in order for the
Board of Directors to comply with its fiduciary duties to the Company's
stockholders under applicable law.  The Company will immediately communicate to
the Buyer the receipt of any third party solicitation, proposal or bona fide
inquiry that the Company, any Subsidiary or any representative of the Company or
any Subsidiary may receive in respect of any such transaction, or of any request
for such information, including in each case a copy thereof and all other
particulars thereof, and keep the Buyer fully apprised of all developments
therein on a current basis, and consider in good faith any counterproposals
which the Buyer, in its sole discretion, elects to make.

     (b) "Acquisition Proposal" means any proposed Acquisition Transaction.
"Acquisition Transaction" means any (i) merger, consolidation or similar
transaction involving the Company, (ii) sale, lease or other disposition
directly or indirectly by merger, consolidation, share exchange or otherwise of
any assets of the Company or its subsidiaries representing 15% or more of the
consolidated assets of the Company and its subsidiaries, (iii) issue, sale or
other disposition of (including by way of merger, consolidation, share exchange
or any similar transaction) securities (or options, rights or warrants to
purchase, or securities convertible into, such securities) representing 15% or
more of the votes attached to the outstanding securities of the Company, (iv)
transaction in which any person shall acquire Beneficial Ownership or the right
to acquire Beneficial Ownership, or any Group shall have been formed which has
Beneficial Ownership or has the right to acquire Beneficial Ownership, of 15% or
more of the outstanding shares of common stock of the Company, (v)
recapitalization, restructuring, liquidation, dissolution or other similar type
of transaction with respect to the Company or any of its subsidiaries, or (vi)
transaction which is similar in form, substance or purpose to any of the
foregoing transactions.  "Third-Party Transaction" shall mean an Acquisition
Transaction with a party unrelated to the Buyer.  "Beneficial Ownership" and
"Group" shall have the meanings stated in Regulation 13D-G under the Securities
Exchange Act of 1934, as amended (the "Exchange Act").

                                       23
<PAGE>

     (c) The Company will take all action necessary in accordance with
applicable law and its articles of incorporation and by-laws to convene a
meeting of its stockholders as promptly as practicable to consider and vote upon
the Merger and to secure the Stockholder Approval, including without limitation
the preparation of a proxy statement (the "Proxy Statement," which term shall
include all amendments and supplement thereto).  The Proxy Statement shall
comply as to form in all material respects with the applicable requirements of
the Exchange Act and the rules and regulations promulgated thereunder, and shall
not, at the time of (i) first mailing thereof or (ii) such stockholders'
meeting, contain any untrue statement of a material fact or omit to state any
material fact required to be stated therein or necessary in order to make the
statements therein, in light of the circumstances under which they were made,
not misleading, except that the Company shall not be responsible for information
supplied by the Buyer or any affiliates or representatives of the Buyer for
inclusion in the Proxy Statement.  The Company (i) shall promptly prepare and
file with the SEC, use all reasonable efforts to have cleared by the SEC and
thereafter mail to its stockholders as promptly as practicable the Proxy
Statement and all other proxy materials for such meeting, (ii) shall notify the
Buyer of the receipt of any comments of the SEC with respect to the Proxy
Statement and of any requests by the SEC for any amendment or supplement thereto
or for additional information and shall promptly provide the Buyer copies of all
correspondence between the Company or any representative of the Company and the
SEC and (iii) shall give the Buyer and its counsel the opportunity to review the
Proxy Statement prior to its being filed with the SEC and shall give the Buyer
and its counsel the opportunity to review all amendments and supplements to the
Proxy Statement and all responses to requests for additional information and
replies to comments prior to their being filed with, or sent to, the SEC.

     (d) The Board of Directors of the Company shall recommend and declare
advisable to its stockholders such approval and the Company shall take all
lawful action to solicit, and use all best efforts to obtain, approval of its
stockholders, and neither the Board of Directors of the Company nor any
committee of such Board of Directors shall, except as otherwise provided in
Section 6.6(e) below, (i) withdraw or modify the approval or recommendation by
such Board of Directors or such committee of the Merger, (ii) approve or
recommend any Acquisition Proposal other than the Merger, or (iii) cause the
Company to enter into any letter of intent, agreement in principle, acquisition
agreement or other similar agreement with respect to any Acquisition Proposal
other than the Merger.

     (e) Notwithstanding Section 6.6(d) hereof, the Board of Directors of the
Company may, prior to the Stockholder Approval, withdraw or modify its approval
or recommendation of the Merger, approve or recommend a Superior Proposal or
terminate this Agreement in order to simultaneously enter into a binding
agreement with respect to a Third-Party Transaction that constitutes a Superior
Proposal, but in each case subject to its compliance with Section 6.3(b) or (c),
as applicable, if and only to the extent that both (i) the Buyer has been given
at least 5 days written notice of the Company's intent to do so and (ii) the
Board of Directors of the Company has determined in good faith, after receiving
the advice of its outside counsel, that such action is necessary in order for
the Board of Directors to comply with its fiduciary duties to stockholders under
applicable law.  A "Superior Proposal" means any bona fide written Acquisition
Proposal, the terms of which the Board of Directors of the Company determines in
its good faith judgment, based on the advice of its financial advisor, to be
more favorable to the Company's stockholders than the Merger and to be already
financed or readily financeable.

                                       24
<PAGE>

     (f) Nothing in this Section 6.6 shall prohibit the Company from taking and
disclosing to its stockholders a position as contemplated by SEC Rule 14e-2(a),
provided that neither the Company nor its Board of Directors nor any committee
of its Board of Directors shall approve or recommend any Third-Party Proposal
except as permitted by Section 6.6(e).

     6.7    Interim Financial Information.  The Company will supply to the Buyer
unaudited consolidated monthly financial statements within 30 business days of
the end of each month ending between the date of the Interim Balance Sheet and
the Closing or any earlier termination of this Agreement in accordance with its
terms, prepared on a basis consistent with the unaudited consolidated financial
statements for the preceding months.  For purposes of these statements, employee
bonuses and similar expenses may be accrued based on actual results for the year
to date and budgeted results for the balance of the year.

     6.8   Interim Conduct of Business. From the date of this Agreement until
the Closing or any earlier termination of this Agreement in accordance with its
terms, unless approved by the Buyer in writing, the Company will operate its
business consistently with past practice and in the ordinary course of business,
and will not:

            (a)  merge or consolidate with or agree to merge or consolidate
     with, or sell or agree to sell all or substantially all of its Property to,
     or purchase or agree to purchase all or substantially all of the Property
     of, or otherwise acquire, any other Person or a division thereof, except as
     provided in this Agreement;

            (b)  amend its articles of incorporation or by-laws;

            (c)  make any changes in its accounting methods, principles or
     practices, except as required by GAAP;

            (d)  sell, consume or otherwise dispose of any Property, except in
     the ordinary course of business consistent with past practices;

            (e)  authorize for issuance, issue, sell or deliver any additional
     shares of its capital stock of any class or any securities or obligations
     convertible into shares of its capital stock or issue or grant any option,
     warrant or other right to purchase any shares of its capital stock of any
     class, other than, in each case, the issuance of Common Stock pursuant to
     the exercise of the options listed in Section 2.1(a);

            (f)  except as provided in the Plan of Merger, accelerate, amend or
     change the period of exercisability of vesting of options or other Stock
     Rights granted under its stock option plans or authorize cash payments in
     exchange for any options or other Stock Rights granted under any of such
     plans;

            (g)  declare any dividend on, make any distribution with respect to,
     or redeem or repurchase, its capital stock except under existing repurchase
     agreements or obligations as set forth in Schedule 2.1;

            (h)  modify, amend or terminate any Benefit Plans, except as
     otherwise set forth herein or as required under Legal Requirements or any
     Disclosable Contract;

                                       25
<PAGE>

          (i)  enter into any material Contract, or violate, amend or otherwise
     modify or waive any of the terms of any of its material Contracts other
     than amendments or modifications in the ordinary course of business
     consistent with past practice;

          (j)  transfer or license to any Person or otherwise extend, amend or
     modify any rights to the Company Intellectual Property other than the grant
     of non-exclusive licenses in the ordinary course of business consistent
     with past practice;

          (k)  enter into or amend any Contracts pursuant to which any other
     Person is granted exclusive marketing, manufacturing or other exclusive
     rights of any type or scope with respect to any of its products or
     technology;

          (l)  incur or commit to incur any indebtedness for borrowed money or
     guarantee any such indebtedness or issue or sell any debt securities or
     guarantee any debt securities of others;

          (m)  enter into any operating leases requiring cumulative annual
     payments in excess of $25,000;

          (n)  pay, discharge or satisfy in an amount in excess of $25,000 in
     any one case or $50,000 in the aggregate, any claim, liability or
     obligation (absolute, accrued, asserted or unasserted, contingent or
     otherwise) arising other than in the ordinary course of business, other
     than the payment, discharge or satisfaction of liabilities reflected or
     reserved against in the Financial Statements;

          (o)  incur or commit to incur any capital expenditures in excess of
     $50,000 in the aggregate;

          (p)  materially reduce the amount of any material insurance coverage
     provided by existing insurance policies;

          (q)  terminate or waive any right of substantial value, other than in
     the ordinary course of business;

          (r)  take any of the following actions:  (i) increase or agree to
     increase the compensation payable or to become payable to its officers or
     employees, except for increases in salary or wages of non-officer employees
     in the ordinary course of business and in accordance with past practices,
     (ii) grant any additional severance or termination pay to, or enter into
     any employment or severance agreements with, any officer or employee, (iii)
     enter into any collective bargaining agreement, or (iv) establish, adopt,
     enter into or amend in any material respect any bonus, profit sharing,
     thrift, compensation, stock option, restricted stock, pension, retirement,
     deferred compensation, employment, termination, severance or other plan,
     trust, fund, policy or arrangement for the benefit of any directors,
     officers or employees, except as otherwise provided in the Plan of Merger;

          (s)  commence a lawsuit or arbitration proceeding other than (i) for
     the routine collection of bills, or (ii) in such cases where it in good
     faith determines that failure to commence suit would result in the material
     impairment of a valuable aspect of the Business, provided that it consults
     with the Buyer prior to the filing of such suit;

                                       26
<PAGE>

          (t)  make any material Tax election other than in the ordinary course
     of business and consistent with past practice, change any material Tax
     election, adopt any Tax accounting method, file any Tax return (other than
     any estimated Tax returns, immaterial information returns, payroll Tax
     returns or sales Tax returns) or any amendment to a Tax return, enter into
     any closing agreement, settle any Tax claim or assessment or consent to any
     Tax claim or assessment provided that the Buyer shall not unreasonably
     withhold or delay approval of any of the foregoing actions;

          (u)  revalue any of its assets, including without limitation writing
     down the value of inventory or writing off notes or accounts receivable
     other than in the ordinary course of business; or

          (v)  authorize or enter into an agreement to do any of the foregoing.

     6.9    Section 338 Election; Tax Status.  The parties agree that the Buyer
may make an election under Section 338(a) of the Code with respect to the
Merger. Each party has reviewed the income and other Tax aspects of the
structure of the Merger with its own professional advisers, and no party or
representative of a party shall have any obligation or responsibility to any
other party with respect thereto.

     6.10   Option to Purchase.

     (a)  The Company hereby irrevocably grants the Buyer the right (the
"Option"), at the Buyer's option, to purchase from the Company up to 968,640
(subject to adjustment as provided in this Section 6.10) Shares in the aggregate
at the exercise price of $2.48 per share, subject to adjustment as provided in
this Section 6.10 (as so adjusted, the "Exercise Price"), as specified by the
Buyer in its notice or notices of exercise from time to time, but only after the
occurrence of a Triggering Event. A "Triggering Event" means the first to occur
of the following events:

            (i)  the Company terminates this Agreement pursuant to Section
6.6(e), or

            (ii) the Board of Directors of the Company withdraws or modifies its
     approval or recommendation of the Merger or approves or recommends a
     Superior Proposal pursuant to Section 6.6(e), or the Merger is voted down
     by the Company's stockholders, or this Agreement is terminated by the Buyer
     prior to the Effective Time after the date specified in Section 6.3(a) for
     failure to satisfy the conditions specified in Section 4 herein (except for
     the conditions specified in Sections 4.6, 4.8 (if the suit or proceeding
     primarily alleges a Buyer legal deficiency), 4.10, 4.11, 4.12, 4.14, 4.15,
     4.18 or 4.19), or this Agreement is terminated by the Company prior to the
     Effective Time after the date specified in Section 6.3(a) for failure to
     satisfy the conditions specified in Sections 5.4, 5.5 or 5.7 (if the suit
     or proceeding primarily alleges a Company legal deficiency), or if this
     Agreement is terminated by the Buyer due to a material breach hereof by the
     Company, and in any such case a Third-Party Transaction is announced within
     12 months after such withdrawal, modification, approval, recommendation,
     vote or termination which is thereafter consummated (or is consummated
     within such 12-month period, irrespective of any announcement). Such
     consummation shall constitute the Triggering Event within the scope of this
     Section 6.10(a)(ii).

                                       27
<PAGE>

            (iii) any Person other than an Affiliate of the Buyer commences a
     tender offer (within the meaning of SEC Rule 14d-2) for 15% of more of the
     Company's outstanding Shares.

     (b) The Company will give the Buyer notice of any proposed Triggering Event
under Section 6.10(a)(ii) or (iii) to which it is a party at least 20 days prior
to the proposed consummation thereof, and will give the Buyer notice of any
other such Triggering Event immediately upon receiving knowledge thereof. The
Option may be exercised, at any time and from time to time, commencing
immediately prior to the Triggering Event and continuing thereafter until 5:00
p.m., California time, on the earlier of (i) the Effective Time or (ii) the 5th
anniversary of the date of this Agreement, if a business day, or on the next
succeeding business day if it is not. To exercise the Option, the Buyer shall
deliver written notice to the Company at its address listed in Section 7.4
specifying the number of Shares as to which the Option is being exercised,
accompanied by the Buyer's check or wire transfer in payment of the aggregate
Exercise Price. Alternatively, the Buyer may pay the Exercise Price by surrender
of this Option with respect to a number of shares whose aggregate Spread Value
equals the aggregate Exercise Price. "Spread Value" means (x) the excess, if
any, of the market value of a Share over the Exercise Price times (y) the number
of Shares so to be surrendered. For this purpose, "market value" shall mean the
average closing price of Shares for the 3 most recent trading days ending with
the 2d trading day prior to any such cashless exercise, if Shares are then
traded on a national securities exchange or the Nasdaq National Market, and will
mean the per-Share value of the transaction associated with the Triggering Event
in all other cases.

     (c)  Upon any exercise of the Option as set forth above, the Buyer shall
immediately be the record owner of all Shares subject to such exercise for all
purposes, without any other action being necessary.  Within 3 trading days after
each exercise of the Option, the Company shall deliver certificates for the
Shares so purchased to the Buyer, but the delivery of such certificates shall
not be required in order for the Buyer to exercise any rights as a holder of the
Shares to be represented thereby.  Until its exercise, the Option does not
confer on the Buyer any rights of a stockholder of the Company.

     (d) The Company need not issue any fractional shares in connection with any
exercise of the Option.  Instead, the Buyer may purchase a whole Share from the
Company at the Exercise Price.

     (e) During the term of the Option, the Company shall reserve sufficient
authorized but unissued shares of Common Stock or other securities for the full
exercise of the rights represented by the Option.  To the extent required for
the lawful exercise of the Option, the Company will promptly make, at the
Buyer's expense, all filings with Governmental Agencies, including without
limitation a premerger notification under the Hart-Scott-Rodino Antitrust
Improvements Act of 1976, as amended, requested by the Buyer in connection with
an intended exercise of the option.

     (f) The Exercise Price and the number of Shares that the Company must issue
upon exercise of the Option are subject to adjustment from time to time as
follows:

            (1)  If the Company at any time or from time to time after the date
     hereof: (1) declares or pays, without consideration, any dividend on Shares
     payable in Shares; (2) creates any right to acquire Shares for no
     consideration; or (3) subdivides the outstanding Shares (by stock split,
     reclassification or otherwise), the Company shall increase the number of
     Shares that the Buyer

                                       28
<PAGE>

     may purchase upon exercising the Option and decrease the Exercise Price in
     proportion to the increase in the number of outstanding Shares that results
     from any such action.

            (2) If the Company combines or consolidates the outstanding Shares,
     by reclassification or otherwise, into a lesser number of Shares, the
     Company shall decrease the number of Shares that the Buyer may purchase
     upon exercising the Option and increase the Exercise Price in proportion to
     the decrease in the number of outstanding Shares that results from any such
     combination or consolidation.

            (3)  If Shares change into shares of any other class or classes of
     security or into any other Property for any reason other than a subdivision
     or combination of Shares provided for in Section 6.10(f)(1) or (2),
     including without limitation any reorganization, reclassification, merger
     or consolidation and any sale of substantially all of the Company's
     properties and assets, the Company shall make lawful provision for giving
     the Buyer the right, by exercising the Option, to purchase the kind and
     amount of securities or other Property receivable upon any such change by
     the owner of the number of Shares subject to this Option immediately before
     the change.

            (4)  If the Company spins off any Subsidiary by distributing to the
     Company's shareholders as a dividend or otherwise any stock or other
     securities of the Subsidiary, the Company shall reserve until the end of
     the term of the Option enough such shares or other securities for delivery
     to the Buyer upon any exercise of the rights represented by the Option to
     the same extent as if the Buyer owned of record all Common Stock or other
     securities subject to the Option on the record date for the distribution of
     the Subsidiary's shares or other securities.

Upon each adjustment or readjustment required by this Section 6.10(f), the
Company shall promptly compute such adjustment or readjustment and furnish to
the Buyer a certificate setting forth such adjustment or readjustment and
showing in detail the facts giving rise to the adjustment or readjustment.  Upon
the Buyer's written request, the Company also shall furnish to the Buyer a
similar certificate setting forth (1) such adjustments and readjustments, (2)
the Option Price in effect on the date of the certificate, and (3) the number of
Shares and the amount of any other property that the Buyer would receive upon
exercising the Option.

     (g) The Buyer may not transfer, sell or make any other disposition of the
Option (other than in connection with a succession to or transfer of its
business as a whole), or grant any Lien respecting any of its rights under the
Option, without the Company's prior consent.

     (h) By accepting the Option, the Buyer agrees that the Option and the
Shares or other securities issuable upon exercise of the Option may be offered
or sold, only in compliance with the Act and all applicable state securities
laws. The Buyer acknowledges that if the Option is exercised, the shares issued
upon such exercise will be "restricted securities" within the meaning of Rule
144 promulgated under the Act. The Buyer hereby agrees to comply with this
Section 6.10(h) with respect to any resale or other disposition of such
securities. The Buyer may offer or sell any such securities only in accordance
with (1) an effective registration statement under the Act; (2) SEC Rule 144; or
(3) another exemption from the registration requirements of the Act and all
applicable state securities laws demonstrated, to the Company's reasonable
satisfaction, by an opinion of securities counsel reasonably

                                       29
<PAGE>

acceptable to the Company. The Company may make a notation on its records, and
on the certificates for any Shares or other securities issued upon the exercise
of the Option, to implement the restrictions set forth in this Section 6.10(h).
The Buyer represents and warrants that it is acquiring the Option, and will
acquire the Shares subject thereto, for its own account and not on behalf of any
other Person, and that it is an "accredited investor," as that term is defined
in SEC Regulation D. By accepting the Option, the Buyer acknowledges that the
Company is granting the Option to the Buyer in reliance on the Buyer's foregoing
representations and warranties and the terms of this Section 6.10(h). Before
allowing any transferee of any of the Buyer's rights under the Option to
exercise this Option, the Company may, in its sole discretion, require the
transferee to execute and deliver representations, warranties and
acknowledgments to the Company substantially similar to those set forth in this
Section 6.10(h).

     (i)  In the event the Company proposes to consummate a transaction (however
structured, including without limitation a sale of stock or a merger) to which
it is a party and which involves an acquisition of shares or equity interest in
the Company by a third Person, and immediately following such transaction such
Person together with its parents and subsidiaries (collectively, the "Acquiring
Person") owns a majority of both the voting power and economic interest
represented by the outstanding stock of the Company on a fully-diluted basis,
then the Company (x) shall give the Buyer at least 20 days written notice of the
proposed consummation, including a summary of the transaction and a copy of all
transaction documents (which summary and documents shall be kept current by
further notices to the Buyer) and (y) if it has complied with clause (x), may at
its option, exercised by notice to the Buyer not later than 5 days prior to such
consummation, redeem the Option (in whole and not in part) simultaneously with
such consummation for an amount per share, paid by wire transfer of same-day
funds to the account designated by the Buyer, equal to the excess, if any, of
the Redemption Price over the Exercise Price then in effect.  The "Redemption
Price" is:

            (i) if the equity interest the Acquiring Person is acquiring in such
     consummation, together with any equity interest acquired by such Acquiring
     Person within 180 days prior to such consummation constitutes a majority of
     both the voting power and economic interest represented by the outstanding
     stock of the Company on a fully-diluted basis, the highest price per share
     paid (or to be paid upon such consummation) by the Acquiring Person in the
     course of acquiring such majority ownership, and

            (ii) otherwise, the fair market value of a Share (or the other
     Property then subject to the Option) as agreed to by the Company and the
     Buyer or, in the absence of such agreement, as determined by an investment
     bank of national reputation selected by the Company from a list of 3 such
     banks proposed by the Buyer (on its own initiative or within 15 days after
     written request by the Company), which bank shall not have engaged in a
     transaction with, or advised with respect to a transaction, either the
     Company or the Buyer within the prior 3 years. If this clause (ii) is
     applicable, the Company will not consummate such transaction unless and
     until the fair market value has been agreed or determined pursuant to this
     clause (ii).

     (j) Any Shares purchased by the Buyer upon exercise of the Option shall be
entitled to the registration rights set forth in Exhibit E.

                                       30
<PAGE>

     6.11 SEC Reports.  From and after the date of this Agreement until the
earlier of the termination of this Agreement pursuant to its terms or the
Effective Time, the Company will timely file all reports required to be filed by
it under the Exchange Act.

     6.12 Notice of Certain Events.  The Company shall notify the Buyer, and the
Buyer shall promptly notify the Company, of:

          (i) receipt of any notice or other communication from any Person
     alleging that the consent of such Person is or may be required in
     connection with the transactions contemplated by this Agreement;

          (ii) receipt of any notice or other communication from any
     Governmental Entity in connection with the transactions contemplated by
     this Agreement;

          (iii)  receipt of notice that any action, suit, claim, investigation
     or proceeding has been commenced or, to the knowledge of the Company,
     threatened, against or involving the Company, any Subsidiary or the Buyer,
     as applicable, which, if pending on the date of this Agreement, would have
     been required to have been disclosed pursuant to Section 2.18 or which
     relates to the transactions contemplated by this Agreement;

          (iv) the occurrence or non-occurrence of any event the occurrence or
     non-occurrence of which would be likely to cause any representation or
     warranty of it (and, in the case of the Buyer, of Buyer Subsidiary)
     contained in this Agreement to be untrue or inaccurate; and

          (v) any failure of the Company, the Buyer or Buyer Subsidiary, as the
     case may be, to comply with or satisfy any covenant, condition or agreement
     to be complied with or satisfied by it hereunder.

The delivery of any notice pursuant to this Section 6.12 shall not limit or
otherwise affect the remedies available to the party receiving such notice.

     6.13 Takeover Statutes.  If any Takeover Statute is, becomes or may become
applicable to the Merger or any of the transactions contemplated hereby, each of
the Buyer, Buyer Subsidiary and the Company, and their respective Boards of
Directors, shall grant such approvals and take such lawful actions as are
necessary to ensure that the Merger and such transactions may be consummated as
promptly as practicable on the terms contemplated hereby, and to the extent
permitted by law otherwise act to eliminate the effects of such statute and any
regulations promulgated thereunder on the Merger and such transactions or, if
they cannot be eliminated, to minimize them.

     6.14 Pay-Off.  The Company will, upon the request of the Buyer, cooperate
with the Buyer in arranging the pay-off or refinancing of any indebtedness of
the Company set forth in Schedule 2.6(b) which the Buyer, in its business
discretion, desires to pay off or refinance in connection with the consummation
of the transactions contemplated hereby.

     6.15 Other Filings.  As promptly as practicable, the Company, the Buyer and
Buyer Subsidiary each shall properly prepare and file any other filings required
under the Exchange Act or any other federal or state law relating to the Merger
and the transactions contemplated hereby (including filings, if any, required
under Hart-Scott)(collectively, the "Other Filings").  Each of the

                                       31
<PAGE>

Company, the Buyer and Buyer Subsidiary shall promptly notify the other of the
receipt of any comments on, or any request for amendments or supplements to, any
of the Other Filings by any Governmental Agency or official, and each of the
Company, the Buyer and Buyer Subsidiary shall supply the other with copies of
all correspondence between it, on the one hand, and members of any Governmental
Agency or any other appropriate governmental official, on the other hand, with
respect to any of the Other Filings. The Company, the Buyer and Buyer Subsidiary
each shall use its respective reasonable best efforts to obtain and furnish the
information required to be included in any of the Other Filings. The Company,
the Buyer and Buyer Subsidiary hereby covenant and agree to use their
commercially reasonable best efforts to secure termination of any waiting
periods under Hart-Scott and obtain the approval of the Federal Trade Commission
or any other Governmental Agency for the transactions contemplated herein.

  6.16   Officers and Directors Indemnification.  The Company shall, and from
and after the Effective Time, the Surviving Corporation shall, indemnify, defend
and hold harmless the present and former directors, officers, employees and
agents of the Company or any Subsidiaries (the "Indemnified Parties") against
all losses, claims, damages, costs, expenses (including reasonable attorney's
fees and expenses), liabilities or judgments or amounts that are paid in
settlement with the approval of the indemnifying party of or in connection with
any threatened or actual claim, action, suit, proceeding or investigation based
in whole or in part on or arising in whole or in part out of or pertaining to
the fact that such person is or was a director or officer of the Company or any
of the Subsidiaries whether pertaining to any matter existing at or prior to the
Effective Time and whether asserted or claimed prior to, or at or after, the
Effective Time ("Indemnified Liabilities"), including all Indemnified
Liabilities based in whole or in part on, or arising in whole or in part out of,
or pertaining to this Agreement or the transactions contemplated hereby, in each
case to the fullest extent a corporation may indemnify its own directors or
officers, as the case may be, in compliance with applicable law, under the OBCA
as the same exists or may hereafter be amended (but, in the case of any such
amendment, only to the extent that such amendment permits broader rights than
such law permitted prior to such amendment and only to the extent such amendment
is not retroactively applicable) . Without limiting the foregoing, in the event
any such claim, action, suit, proceeding or investigation is brought against any
Indemnified Parties (whether arising before or after the Effective Time), (i)
the Indemnified Parties may retain counsel satisfactory to them and the
Surviving Corporation, and the Company or the Surviving Corporation shall pay
all reasonable fees and expenses of such counsel for the Indemnified Parties
promptly as statements therefor are received and otherwise advance to such
Indemnified Parties upon request reimbursement of reasonable documented expenses
incurred, in either case to the fullest extent and in the manner permitted by
the OBCA; and (ii) the Company or the Surviving Corporation, and the Indemnified
Party, will use all reasonable efforts to assist in the vigorous defense of any
such matter, provided that neither the Company nor the Surviving Corporation
shall be liable for any settlement effected without its prior written consent.
Any Indemnified Party wishing to claim indemnification under this Section 6.16,
upon learning of any such claim, action, suit, proceeding or investigation,
shall notify the Company (or after the Effective Time, the Surviving
Corporation) (but the failure to so notify shall not relieve a party from any
liability which it may have under this Section 6.16 except to the extent such
failure materially prejudices such party). The Indemnified Parties as a group
may retain only one law firm to represent them with respect to each such matter
unless there is, under applicable standards of professional conduct, a conflict
on any significant issue between the positions of any two or more Indemnified
Parties. The Company, Buyer and Buyer Subsidiary agree that all rights to
indemnification, including provisions relating to advances or expenses incurred
in

                                       32
<PAGE>

defense of any action or suit, existing in favor of the Indemnified Parties
with respect to matters occurring through the Effective Time, shall survive the
Merger and shall continue in full force and effect for a period of not less than
three years from the Effective Time; provided, however, that all rights to
indemnification in respect of any Indemnified Liabilities asserted or made
within such period shall continue until the disposition of such Indemnified
Liabilities. This Section 6.16 is for the irrevocable benefit of, and to grant
third party rights to, the Indemnified Parties and shall be binding on all
successors and assigns of Buyer, Buyer Subsidiary, the Company and the Surviving
Corporation. Each of the Indemnified Parties shall be entitled to enforce the
covenants contained in this Section 6.16.

Section 7 Miscellaneous

     7.1  No Brokers, Finders.

     (a) Company.  The Company has not engaged any agent, broker, finder or
investment or commercial banker in connection with the negotiation, execution or
performance of this Agreement or the transactions contemplated hereby, other
than Broadview Int'l LLC, for whose fees and expenses the Company will be solely
responsible and whose fees and expenses will not exceed $600,000 if the Merger
is consummated.  The Company shall indemnify, defend and hold the Buyer harmless
against and in respect of any claim for brokerage fees or other commissions
incurred or owing due to any such engagement or alleged engagement, including
without limitation, any fees and expenses of counsel incurred by the Buyer in
connection with enforcing this Section 7.1(a).

     (b) Buyer.  The Buyer has not engaged any agent, broker, finder or
investment or commercial banker in connection with the negotiation, execution or
performance of this Agreement or the transactions contemplated hereby.  The
Buyer shall indemnify, defend and hold the Company and its stockholders harmless
against and in respect of any claim for brokerage fees or other commissions
incurred or owing due to any such engagement or alleged engagement, including
without limitation, any fees and expenses of counsel incurred by the Company or
its stockholders in connection with enforcing this Section 7.1(b).

     7.2 Expenses.  Whether or not the transactions contemplated by this
Agreement are consummated, the Company and the Buyer shall each pay their own
fees and expenses incident to the negotiation, preparation, execution, delivery
and performance hereof, including, without limitation, the fees and expenses of
their respective counsel, accountants and other experts.

     7.3 Complete Agreement; Waiver and Modification; No Third Party
Beneficiaries.  This Agreement constitutes the entire agreement between the
parties pertaining to the subject matter hereof and supersedes all prior and
contemporaneous agreements and understandings of the parties other than the
confidentiality letter dated October 19, 1999 between the Buyer and the Company,
which shall continue in effect.  There are no representations or warranties by
any party except those expressly stated or provided for herein, any implied
warranties being hereby expressly disclaimed.  There are no covenants or
conditions except those expressly stated herein.  No amendment, supplement or
termination of or to this Agreement, and no waiver of any of the provisions
hereof, shall be binding on a party unless made in a writing signed by such
party.  This Agreement may be modified by mutual agreement of the parties as
authorized by their respective boards of directors, notwithstanding approval
hereof and thereof by the stockholders of the parties.  Nothing in this

                                       33
<PAGE>

Agreement shall be construed to give any Person other than the express parties
hereto any rights or remedies.

     7.4  Notices. All notices, requests, demands, claims and other
communications hereunder shall be in writing and shall be given by delivery (by
mail or otherwise) or transmitted to the address or facsimile number listed
below, and will be effective (in all cases) upon receipt.  Without limiting the
generality of the foregoing, a mail, express, messenger or other receipt signed
by any Person at such address shall conclusively evidence delivery to and
receipt at such address, and any printout showing successful facsimile
transmission of the correct total pages to the correct facsimile number shall
conclusively evidence transmission to and receipt at such facsimile number.

     (a)  If to the Buyer or Subsidiary:

               46871 Bayside Parkway
               Fremont, CA 94538
               attention: Sam Chang

               facsimile: (510) 413-7793

               with copies to:

               McCutchen, Doyle, Brown & Enersen, LLP
               3150 Porter Drive
               Palo Alto, CA 94304
               attention: Bartley C. Deamer

     (b)  If to the Company:

               9205 S.W. Gemini Drive
               Beaverton, OR 97008
               attention: Gary P. Arnold

               facsimile: (503) 641-3193

               with copies to:

               Ater Wynne LLP
               222 SW Columbia, Suite 1800
               Portland, OR 97201
               attention: Stephen M. Going

Any party may change its address or facsimile number for purposes of this
Section 7.4 by giving the other party written notice of the new address or
facsimile number in accordance with this Section 7.4, provided it is a normal
street address, or normal operating facsimile number, in the continental United
States.

                                       34
<PAGE>

     7.5  Law Governing.  This Agreement shall be interpreted in accordance with
and governed by the laws of the State of California, without regard to
principles of conflicts of laws, except as to matters manditorily governed by
the OBCA.

     7.6  Headings; References; "Hereof;" Interpretation.  The Section headings
in this Agreement are provided for convenience only, and shall not be considered
in the interpretation hereof.  References herein to Sections, Exhibits or
Schedules refer, unless otherwise specified, to the designated Section of or
Exhibit or Schedule to this Agreement.  Terms such as "herein," "hereto" and
"hereof" refer to this Agreement as a whole.  This Agreement has been negotiated
at arm's length between parties sophisticated and knowledgeable in the matters
addressed in this Agreement.  Each of the parties has been represented by
experienced and knowledgeable legal counsel.  Accordingly, any rule of law or
legal decision that would require interpretation of any ambiguities in this
Agreement against the party that has drafted it is not applicable and is waived.
The provisions of this Agreement shall be interpreted in a reasonable manner to
effect the purpose of the parties and this Agreement.

     7.7  Successors and Assigns.  This Agreement shall inure to the benefit of
and be binding upon the heirs, executors, administrators and successors of the
parties hereto, but no right or liability or obligation arising hereunder may be
assigned by any party hereto.

     7.8  Counterparts, Separate Signature Pages. This Agreement may be executed
in any number of counterparts, or using separate signature pages. Each such
executed counterpart and each counterpart to which such signature pages are
attached shall be deemed to be an original instrument, but all such counterparts
together shall constitute one and the same instrument.

     7.9  Severability.  In the event any of the provisions of this Agreement
shall be declared by a court or arbitrator to be void or unenforceable, then
such provision shall be severed from this Agreement without affecting the
validity and enforceability of any of the other provisions hereof, and the
parties shall negotiate in good faith to replace such unenforceable or void
provisions with a similar clause to achieve, to the extent permitted under law,
the purpose and intent of the provisions declared void and unenforceable.

Section 8 Glossary

        Acquiring Person - Section 6.10(i).

        Acquisition Proposal - Section 6.6(b).

        Acquisition Transaction - Section 6.6(b).

        Act - the Securities Act of 1933, as amended.

        Affiliate - a Person who controls, is controlled by or is under common
control with another Person, or who directly or indirectly owns 10% or more of
the voting power in such other Person, or of whose voting power such other
Person (or a Person holding 10% or more of the voting power in such other
Person) owns 10% or more.  For purposes of this definition, "control" means the
possession, directly or indirectly, of the power to direct or cause the
direction of the management

                                       35
<PAGE>

and policies of a Person, whether through the ownership of voting securities, by
contract or otherwise.

        Agreement - this Agreement of Merger, including the Exhibits and
Schedules hereto.

        Audited Statements - Section 2.6(a).

        Beneficial Ownership - Section 6.6(b).

        Benefit Plans - Section 2.14(b).

        Business - introductory paragraphs.

        Buyer - introductory paragraphs.

        Buyer Subsidiary  - introductory paragraphs.

        Closing - Section 1.1.

        COBRA - Section 2.14(f).

        Code - the Internal Revenue Code of 1986, as amended.

        Company - introductory paragraphs.  In the case of any representation or
warranty relating to events or circumstances occurring or existing prior to the
merger of Analogy Acquisition Corporation into Symmetry, Inc., the term
"Company" also includes Symmetry, Inc.

        Company ERISA Plan - Section 2.14(d).

        Company Intellectual Property - Section 2.21(a).

        Company SEC Documents - Section 2.25.

        Confidential Information - Section 2.21(g).

        Contract - any agreement, written or oral, any license or authorization
by another Person of a contractual nature or any promissory note or other
instrument of a contractual nature, which is intended to be enforceable against
the Person in question or against any Property of such Person. Any Person which
is, or any of whose Property is, subject to enforcement of a Contract shall, for
purposes of this Agreement, be deemed a party to it.

        DARPA - Section 4.19.

        DARPA Agreement - the Cooperative Agreement Under 10 U.S.C. 2358 between
the United States of America U.S. Air Force, Air Force Materiel Command Rome
Laboratory/PKPF and Analogy, Inc. (F30602-96-2-0309), with a term from September
5, 1996 through April 4, 1999.

        Designated Contract - any of the following:

                                       36
<PAGE>

     (a) the lease to the Company referred to in Schedule 2.11 for 8705 SW
Nimbus Avenue, Beaverton, Oregon, and for 9205 S.W. Gemini Drive, Beaverton,
Oregon, and

     (b) the following agreements:

     (i)    Tauri OEM Software Agreement between FTL Systems, Inc. and the
Company, dated May 21, 1999;

     (ii)   Source Code License and Binary Code Distribution License Agreement
between Phase III Logic, Inc. and the Company, dated June 7, 1991, as amended
including Addendum No. 3 effective November 3, 1993;

     (iii)  Cooperative Agreement under 10 U.S.C. 2358 between the United States
of America U.S. Air Force, air Force Materiel Command Rome Laboratory/PKPF and
the Company, effective as of September 5, 1996;

     (iv)   Cross-License and Support Agreement between Cadence Design Systems,
Inc. and the Company, dated June 20, 1994;

     (v)    Connections Partnership Membership Agreement between Cadence Design
Systems, Inc. and Symmetry Design Systems, Inc., dated August 1, 1996;

     (vi)   Mentor Graphics OpenDoor Loan and Support Agreement for OpenDoor
Integration, Agreement No. OD-1004-LS-8, between Mentor Graphics Corporation and
Analogy, Inc., dated January 12, 1999;

     (vii)  Joint Marketing Agreement between Viewlogic Systems, Inc. and the
Company, dated September 13, 1993;

     (viii) Remarketing and Distribution License Agreement between Mathworks,
Inc. and the Company, dated January 16, 1994;

     (ix)   Participation Agreement between Model Technology Incorporated and
the Company, dated May 22, 1998;

     (x)    Open Access Agreement between GEC Marconi Avionics (Holdings) Ltd.
and Analogy UK, dated April 1, 1997, as amended March 31, 1999 and June 30,
1999;

     (xi)   Open Access Agreement between GEC Alsthom ERC and Analogy UK, dated
December 19, 1997;

     (xii)  Open Access Agreement between GEC Alsthom Traction Ltd. and Analogy
UK, dated December 19, 1997;

     (xiii) Open Access Agreement between GEC Marconi Radar & Defense Systems
Ltd., Dynamics Division, and Analogy UK, dated January 1998;

                                       37
<PAGE>

     (xiv)  Open Access Agreement between GEC Marconi Ltd. (MES) and Analogy UK,
dated September 24, 1998 and as renegotiated October 25, 1999;

     (xv)   Open Access Agreement between Lucas Aerospace and Analogy UK, dated
December 19, 1997, as amended March 31, 1999;

     (xvi)  Open Access Agreement between Peugeot Sport (PSA) and Analogy SARL,
dated March 20, 1998; and

     (xvii) Distribution Agreement between C-Itoh & Co. and the Company, dated
August 16, 1998.

     Disclosable Contract - Section 2.15.

     Disclosable Leases - Section 2.11.

     EAR - the Export Administration Regulations promulgated by the United
States Department of Commerce and set forth in parts 730-774, inclusive, of
Title 15 of the Code of Federal Regulations.

     ECCN - Section 2.30.

     Effective Time - Section 1.2.

     Environmental Requirement - any Legal Requirement relating to pollution,
waste, disposal, industrial hygiene, land use or the protection of human health,
safety or welfare, plant life or animal life, natural resources, wetlands,
endangered or threatened species or habitat, the environment or property,
including without limitation those pertaining to reporting, licensing,
permitting, controlling, investigating or remediating emissions, discharges,
releases or threatened releases of Hazardous Materials, chemical substances,
pollutants, contaminants or toxic substances, materials or wastes, whether
solid, liquid or gaseous in nature, into the air, surface water, groundwater or
land, or relating to the manufacture, generation, processing, distribution, use,
treatment, storage, disposal, transport or handling of Hazardous Material,
chemical substances, pollutants, contaminants or toxic substances, materials or
wastes, whether solid, liquid or gaseous in nature.

     Equity Interest - any common stock, preferred stock, partnership interest,
limited liability company interest or ownership interest in any Person, and any
right to acquire any of the foregoing, whether by exercise of an option, warrant
or other right, by conversion, exchange or subscription or otherwise.

     ERISA - the Employee Retirement Income Security Act of 1974, as amended,
and any successor statute.

     ERISA Affiliate - any company which, as of the relevant measuring date
under ERISA, is or was a member of a controlled group of corporations or trades
or businesses (as defined in Sections 414(b), (c), (m) or (o) of the Code) of
which the Company or any Subsidiary or any predecessor of either is or was a
member.

                                       38
<PAGE>

     Exchange Act - Section 6.6(b).

     Exercise Price - Section 6.10(a).

     Financial Statements - Section 2.6(a).

     GAAP - generally accepted accounting principles applied on a consistent
basis, as set forth in authoritative pronouncements which are applicable to the
circumstances as of the date in question.  The requirement that such principles
be applied on a "consistent basis" means that accounting principles observed in
the period in question are comparable in all material respects to those applied
in the preceding periods, except as change is permitted or required under or
pursuant to such accounting principles.

     Government Audit - Section 2.18(b).

     Governmental Agency - any agency, court, department, board, commission,
district or other public organ, whether federal, state, local or foreign.

     Group - Section 6.6(b).

     Hart-Scott - the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as
amended, and regulations issued thereunder.

     Hazardous Material - all or any of the following:  (i) any substance the
presence of which requires investigation or remediation under any applicable law
or regulation; (ii) substances that are defined or listed in, or otherwise
classified pursuant to, any applicable laws or regulations as "hazardous
substances," "hazardous materials," "hazardous wastes," "toxic substances," or
any other formulation intended to define, list or classify substances by reason
of deleterious properties such as ignitability, corrosivity, reactivity,
carcinogenicity, reproductive toxicity or "TCLP toxicity;" (iii) any petroleum
products, explosives or radioactive materials; and (iv) asbestos in any form or
electrical equipment which contains any oil or dielectric fluid containing
levels of polychlorinated biphenyls in excess of fifty parts per million.

     Indemnified Liabilities - Section 6.16.

     Indemnified Parties - Section 6.16.

     Intellectual Property - Section 2.21(a).

     Interim Balance Sheet - Section 2.6(c).

     Interim Statements - Section 2.6(a).

     ISO - Section 2.14(h).

     Last Fiscal Year-End - Section 2.6(a).

                                       39
<PAGE>

     Legal Requirement - a statute, regulation, ordinance or similar legal
requirement, whether federal, state, local or foreign, or any requirement of a
Permit or other authorization issued by a Governmental Agency.

     Lien - any lien, security interest, mortgage, deed of trust, pledge,
hypothecation, capitalized lease or interest or right for security purposes.

     Material Adverse Effect - a matter will be deemed to have a "Material
Adverse Effect" if such matter would have a material adverse effect on the
business, condition, assets, liabilities, operations, financial performance or
prospects of the Company and its Subsidiaries taken as a whole.

     Merger - introductory paragraphs.

     OBCA - Section 2.27.

     Option - Section 6.10(a).

     Order - any judgment, injunction, order or similar mandatory direction of,
or stipulation or agreement filed with, a Governmental Agency, court, judicial
body, arbitrator or arbitral body.

     Option - Section 6.10(a).

     Other Filings - Section 6.15.

     Person - an individual, or a corporation, partnership, limited liability
company, trust, association or other entity of any nature, or a Governmental
Agency.

     Plan of Merger - Section 1.2.

     Plan Termination Date - Section 2.29.

     Programs - Section 2.21(a).

     Property - any interest in any real, personal or mixed property, whether
tangible or intangible.

     Proxy Statement - Section 6.6(c).

     Redemption Price - Section 6.10(i).

     SEC - the Securities and Exchange Commission.

     Shares - shares of the Common Stock, no par value, of the Company.

     Spread Value - Section 6.10(b).

     Stock Purchase Plan - Section 2.29.

                                       40
<PAGE>

     Stock Right - any right (including without limitation any option or warrant
or subscription right) to acquire any capital stock or any other Stock Right or
any instrument convertible into or exchangeable for any capital stock or any
other Stock Right.

     Stockholder Approval - Section 2.3.

     Subsidiary - any Person which would be included in consolidated financial
statements of the Company prepared in accordance with GAAP, and any Person in
which the Company holds 50% or more of the voting power or 50% or more of the
equity interests, and any former Subsidiary with respect to any of whose
obligations the Company or any current Subsidiary is liable.  In the case of any
representation or warranty relating to events or circumstances in the past, the
term "Subsidiary" also includes any Person that at the relevant time was a
Subsidiary, irrespective of such Person's current status as a Subsidiary.

     Superior Proposal - Section 6.6(e).

     Support Agreements - Section 2.21(h).

     Takeover Statute - Section 2.26.

     Tax - any federal, state, local or foreign tax, assessment, duty, fee and
other governmental charge or imposition of any kind, whether measured by
properties, assets, wages, payroll, purchases, value added, payments, sales,
use, business, capital stock, surplus or income, and any addition, interest,
penalty, deficiency imposed with respect to any Tax.

     Third-Party Action - any consent, waiver, approval, license or other
authorization of, or notice to, or filing with, any other Person, whether or not
a Governmental Agency, and the expiration of any associated mandatory waiting
period.

     Third-Party Intellectual Property - Section 2.21(a).

     Third-Party Right - any Lien on any Property of the Person in question, or
any right (other than the rights of the Buyer hereunder) (i) to acquire, lease,
use, dispose of, vote or exercise any right or power conferred by any Property
of such Person, or (ii) restricting the Person's right to lease, use, dispose
of, vote or exercise any right or power conferred by any Property of such
Person.

     Third-Party Transaction - Section 6.6(b)

     Triggering Event - Section 2.10(a).

                 [remainder of page left blank intentionally]

                                       41
<PAGE>

     IN WITNESS WHEREOF, the parties have executed this Agreement of Merger.

Buyer:                                            AVANT! CORPORATION



                                                  By: /s/ GERALD C. HSU
                                                     ___________________________
                                                     Name: Gerald C. Hsu
                                                     Title: President and
                                                     Chief Executive Officer

Buyer Subsidiary:                                 AC ACQUISITION CORP.



                                                  By: /s/ GERALD C. HSU
                                                     ___________________________
                                                     Name: Gerald C. Hsu
                                                     Title: President

Company:                                          ANALOGY, INC.

                                                  By: /s/ GARY P. ARNOLD
                                                     ___________________________
                                                     Name: Gary P. Arnold
                                                     Title: President and
                                                     Chief Executive Officer

Exhibits

A     Plan of Merger
B     Opinion of Company's Counsel
C     Form of Noncompetition Agreement
D     Opinion of Buyer's Counsel
E     Registration Rights

Schedules

                                       42

<PAGE>

                                                                       EXHIBIT 2

                                Plan of Merger

     This Plan of Merger (this "Plan of Merger") dated _______ __, 1999 is
entered into by AC Acquisition Corp., an Oregon corporation ("Buyer
Subsidiary"), and Analogy, Inc., an Oregon corporation (the "Company").  Buyer
Subsidiary is a wholly-owned subsidiary of Avant! Corporation, a Delaware
corporation (the "Buyer").

     The Company desires to merge with Buyer Subsidiary, and the Buyer and Buyer
Subsidiary desire to have Buyer Subsidiary merged into the Company (the
"Merger"), on the terms and conditions set forth herein and in the Agreement of
Merger dated December 2, 1999 among the parties to this Plan of Merger and the
Buyer setting forth certain representations and warranties, covenants and
conditions in connection with the Merger (the "Merger Agreement").

Section 1.  Merger

     1.1  Merger.  Upon the filing of articles of merger with respect to this
Plan of Merger with the Oregon Secretary of State in accordance with Oregon law
(the "Effective Time"), Buyer Subsidiary shall be merged with and into the
Company and the separate corporate existence of Buyer Subsidiary shall cease.
The Company shall be the surviving corporation in the Merger (the "Surviving
Corporation") and the separate corporate existence of the Company, with all its
purposes, objects, rights, privileges, powers, immunities and franchises, shall
continue unaffected and unimpaired by the Merger.

     1.2  Articles of Incorporation.  At the Effective Time, the articles of
incorporation of the Company shall be the articles of incorporation of the
Surviving Corporation, subject always to the right of the Surviving Corporation
to amend its articles of incorporation after the Effective Time in accordance
with the laws of the State of Oregon, and shall not be amended by virtue of the
Merger.

     1.3  By-Laws.  At the Effective Time, the by-laws of Buyer Subsidiary shall
be the by-laws of the Surviving Corporation and shall not be amended by the
Merger.

     1.4  Directors and Officers.  At the Effective Time, the directors of Buyer
Subsidiary immediately prior to the Effective Time shall be the directors of the
Surviving Corporation, and the officers of Buyer Subsidiary immediately prior to
the Effective Time shall be the officers of the Surviving Corporation, in each
case until their successors have been elected and qualified or until otherwise
provided by law.

Section 2.  Effects on Capital Stock

     2.1    Company Shares Owned by Company or the Buyer. At the Effective Time,
all of the shares of capital stock of the Company ("Shares") that are owned
directly or indirectly by the Company or any subsidiary of the Company and any
Shares owned by the Buyer, Buyer Subsidiary or any other subsidiary of the Buyer
shall be canceled and no consideration shall be delivered therefor.
<PAGE>

     2.2  Company Shares.  At the Effective Time, each share of Common Stock, no
par value, of the Company ("Shares"), other than those referred to in Section
2.1, shall be converted into the right to receive, in accordance with this Plan
of Merger, in cash, without interest, [$2.48] per Share (the "Merger
Consideration").  For purposes of this Plan of Merger, the Merger Consideration
is calculated as the Purchase Price divided by the sum of all outstanding Shares
as of the Effective Time.  The "Purchase Price" is equal to $24,000,000 minus
(i) the fees and expenses in excess of $850,000 in the aggregate incurred by or
on behalf of the Company and its subsidiaries with respect to investment
bankers, legal counsel and accountants utilized in connection with the
preparation, execution and performance of the Merger Agreement and this Plan of
Merger or the consummation of the Merger, (ii) the aggregate Spread Amount paid
under Section 3.1 below, (iii) the aggregate Warrant Spread Amount paid under
Section 3.3 below and (iv) the aggregate Former Employee Spread Amount paid
under Section 3.4 below.

     2.3  Common Stock of Buyer Subsidiary.  At the Effective Time, all of the
outstanding shares of Common Stock of Buyer Subsidiary shall be converted into
an equal number of shares of Common Stock of the Surviving Corporation.

Section 3.  Company Stock Options, Warrants, Employee Stock Purchase Plan

     3.1  Non-Employee Stock Options.  At the Effective Time, each option
outstanding under the Company's 1993 Amended and Restated Stock Incentive Plan
and the 1995 Stock Option Plan for Nonemployee Directors (except for options
held by current employees of the Company) will be converted into the right to
receive the Spread Amount in cash.  The "Spread Amount" is (i) the excess, if
any, of the Merger Consideration over the exercise price of such option times
(ii) the number of Shares then subject to such option, net of applicable
withholdings.

     3.2  Employee Stock Options.

     (a)  Each option outstanding under the Company's 1986 Stock Option Plan and
1993 Amended and Restated Stock Incentive Plan that is held by a current
employee of the Company shall be replaced by an option issued under the Buyer's
1995 Stock Option / Stock Issuance Plan (such replaced option referred to as the
"New Option").  Each New Option will be exercisable for a number of shares of
common stock of the Buyer equal in value (based on the average closing prices
over the five (5) trading days ending on the third (3rd) trading day prior to
the Effective Time) to the Shares subject to the option and each Company
employee's vesting schedule will be preserved with no acceleration of the
vesting schedule due to the Merger.

     (b)  The per share exercise price for shares of the Buyer's common stock
issuable upon exercise of the New Option will be equal to the product of the
exercise price per share of the Company common stock at which such Company
option was exercisable immediately prior to the Effective Date multiplied by the
Conversion Ratio, and rounding the resulting exercise price up to the nearest
whole cent.  The "Conversion Ratio" shall be equal to the quotient determined by
dividing the FMV of Buyer Common by the Merger Consideration.  The "FMV of Buyer
Common" is the average closing price per share of the Buyer's common stock over
the five (5) trading days ending on the third (3rd) trading day prior to the
Effective Time.

                                       2
<PAGE>

     3.3  Warrants.  At the Effective Time, each warrant for the purchase of
Shares will be converted into the right to receive the Warrant Spread Amount in
cash.  The "Warrant Spread Amount" is (i) the excess, if any, of the Merger
Consideration over the exercise price of such warrant times (ii) the number of
Shares then subject to such warrant.

     3.4  Former Employee Options.  At the Effective Time, each outstanding
option issued under the Company's 1986 Stock Option Plan or 1993 Amended and
Restated Stock Incentive Plan that is held by any former employee of the Company
who has terminated his employment with the Company (or has had his employment
with the Company terminated by the Company) within the ninety (90) days prior to
the Effective Time and who is eligible to exercise such option in accordance
with the terms of the applicable Company option plan, if not exercised prior to
the Effective Time, will be converted into the right to receive the Former
Employee Spread Amount in cash.  The "Former Employee Spread Amount" is (i) the
excess, if any, of the Merger Consideration over the exercise price of such
option times (ii) the number of Shares then subject to such option, net of
applicable withholdings.

Section 4.  Surrender of Certificates

     4.1  Paying Agent.  Prior to the Effective Time, the Buyer shall designate
a bank or trust company to act as agent for the holders of the Shares in
connection with the Merger (the "Paying Agent") to receive the funds to which
the holders of the Shares shall become entitled pursuant to Section 2.2.  The
Buyer shall, from time to time, make available to the Paying Agent funds in
amounts and at times necessary for the payment of the Merger Consideration in
the amounts and at the times provided herein.  All interest earned on such funds
shall be paid to the Surviving Corporation.

     4.2  Surrender Procedures.  As soon as reasonably practicable after the
Effective Time, the Paying Agent shall mail each holder of record of a
certificate or certificates, which immediately prior to the Effective Time
represented outstanding Shares (the "Certificates"), whose shares were converted
pursuant to Section 2.2 into the right to receive the Merger Consideration (i) a
letter of transmittal (which shall specify that delivery shall be effected, and
risk of loss and title to the Certificates shall pass, only upon delivery of the
Certificates to the Paying Agent and shall be in such form and have such other
provisions as the Buyer and the Company may reasonably specify) and (ii)
instructions for use in effecting the surrender of the Certificates in exchange
for payment of the Merger Consideration.  Upon surrender of a Certificate for
cancellation to the Paying Agent or to such other agent or agents as may by
appointed by the Buyer, together with such letter of transmittal, duly executed,
the holder of such Certificate shall be entitled to receive in exchange therefor
the Merger Consideration for each Share formerly represented by such Certificate
and the Certificate so surrendered shall forthwith be canceled.  If payment of
the Merger Consideration is to be made to a person other than the person in
whose name the surrendered Certificate is registered, it shall be a condition of
payment that the Certificate so surrendered shall be properly endorsed or shall
be otherwise in proper form for transfer and that the person requested in such
payment shall have paid any transfer and other taxes required by reason of the
payment of the Merger Consideration to a person other than the registered holder
of the Certificate surrendered or shall have established to the satisfaction of
the Surviving Corporation that such tax either has been paid or is not
applicable.  Until surrendered as contemplated by this Section 4.2, each
Certificate shall be deemed at any time after the Effective Time to represent
only the right to receive the Merger Consideration as

                                       3
<PAGE>

contemplated by this Section 4.2. The right of any holder of Shares to receive
the Merger Consideration shall be subject to and reduced by any applicable
withholding obligation.

     4.3  Transfer Books; No Further Ownership Rights in the Shares.  At the
Effective Time, the stock transfer books of the Company shall be closed and
thereafter there shall be no further registration of transfers of the Shares on
the records of the Company.  From and after the Effective Time, the holders of
Certificates evidencing ownership of the Shares outstanding immediately prior to
the Effective Time shall cease to have any rights with respect to such Shares,
except as otherwise provided for herein or by applicable law.

     4.4  Termination of Fund; No Liability.  At any time following six months
after the Effective Time, the Surviving Corporation shall be entitled to require
the Paying Agent to deliver to it any funds (including any interest received
with respect thereto) which had been made available to the Paying Agent and
which have not been disbursed to holders of Certificates, and thereafter such
holders shall be entitled to look to the Surviving Corporation (subject to
abandoned property, escheat or other similar laws) only as general creditors
thereof with respect to the Merger Consideration payable upon due surrender of
their Certificates, without any interest thereon.  In no event shall the Buyer,
the Surviving Corporation or the Paying Agent be liable to any holder of a
Certificate for Merger Consideration delivered to a public official pursuant to
any applicable abandoned property, escheat or similar law.

     4.5  Lost, Stolen or Destroyed Certificates.  In the event any Certificate
shall have been lost, stolen or destroyed, upon the making of an affidavit of
that fact by the registered holder thereof or such holder's duly authorized
attorney-in-fact, the Surviving Corporation may pay, or authorize the Paying
Agent to pay, the Merger Consideration with respect thereto, subject to Section
4.4 if applicable, provided that the Board of Directors of the Surviving
Corporation may, it its discretion and as a condition precedent to the payment
thereof, require the registered holder(s) and/or beneficial owner(s) of such
Certificate to give the Surviving Corporation a bond in such sum as it may
direct as indemnity against any claim that may be made against the Surviving
Corporation, the Company, the Buyer or the Buyer Subsidiary with respect to the
Certificate alleged to have been lost, stolen or destroyed.

Section 5.  Miscellaneous

     5.1  Other Agreements Superseded; Waiver and Modification, Etc.  This Plan
of Merger, together with the Merger Agreement, supersedes all prior agreements
or understandings, written or oral, of the Company and the Buyer and Buyer
Subsidiary relating to the acquisition of the Company or its business and
incorporates the entire understanding of the parties with respect thereto.  The
parties to this Plan of Merger make no representations or warranties with
respect to any matter, except as expressly set forth in the Merger Agreement.
The Plan of Merger may be amended or supplemented only by a written instrument
signed by the party against whom the amendment or supplement is sought to be
enforced.  The party benefited by any condition or obligation may waive the
same, but such waiver shall not be enforceable by another party unless made by
written instrument signed by the waiving party and only to the extent expressly
stated therein.

     5.2  Interpretation.  The headings used in this Plan of Merger are provided
for convenience only and this Plan of Merger shall be interpreted as though they
did not appear herein.  References in

                                       4
<PAGE>

this Plan of Merger to sections refer, unless otherwise specified, to the
designated section of this Plan of Merger.

     5.3  Law Governing.  Except as to matters manditorily governed by the
Oregon Business Corporation Act, this Plan of Merger shall be construed in
accordance with and governed by the laws of the State of California applicable
to contracts made and to be performed in California.

     5.4  Time of Essence.  Time is of the essence of this Plan of Merger and
all of the terms, conditions and provisions hereof.

     5.5  Termination.  This Plan of Merger shall be deemed to be terminated at
such time, if at all, that the Merger Agreement is terminated.

     5.6  Counterparts.  This Plan of Merger may be executed in any number of
counterparts and each such executed counterpart shall be deemed to be an
original instrument, but all such executed counterparts together shall
constitute one and the same instrument.  One party may execute one or more
counterparts other than that or those executed by another party, without thereby
affecting the effectiveness of any such signatures.

                                       5
<PAGE>

     IN WITNESS WHEREOF, the parties have executed this Plan of Merger.

Company:                      ANALOGY, INC.

                              By  _________________________________________
                                  Name:
                                  Title:

Buyer Subsidiary:             AC ACQUISITION CORP.

                              By  ________________________________________
                                  Name:
                                  Title:


<PAGE>

                               Articles of Merger
                                       of
                              AC Acquisition Corp.
                                      into
                                 Analogy, Inc.



     The undersigned, the ___________________ of Analogy, Inc., an Oregon
corporation, and the __________________ of AC Acquisition Corp., an Oregon
corporation, hereby certify as follows:

          1.  The plan of merger attached hereto provides for the merger of AC
     Acquisition Corp. into Analogy, Inc.

          2.  The plan of merger has been approved by Analogy, Inc. and AC
     Acquisition Corp. pursuant to the Oregon Business Corporation Act.

     IN WITNESS WHEREOF, the undersigned have duly executed this document on
behalf of their respective corporations.

Date:  _____________, 1999

ANALOGY, INC.                               AC ACQUISITION CORP.



By:______________________________           By:  ______________________________
   Name:                                         Name:




<PAGE>

                                                                       EXHIBIT 3

                           Voting and Proxy Agreement


     This Voting and Proxy Agreement dated December 2, 1999 is entered into
between _________________ (the "Stockholder"), and Avant! Corporation, a
Delaware corporation (the "Buyer").

     In connection with the parties' entry into this Agreement, Analogy, Inc.,
an Oregon corporation (the "Company"), the Buyer and AC Acquisition Corp., an
Oregon corporation and a wholly-owned subsidiary of the Buyer (the "Buyer
Subsidiary") are entering into an Agreement of Merger dated the date hereof (the
"Merger Agreement") pursuant to which the Buyer Subsidiary will be merged (the
"Merger") into the Company, which will thereupon become a wholly-owned
subsidiary of the Buyer. The Merger has been approved by the Company's board of
directors, and will be submitted to the stockholders of the Company for
approval. The Stockholder is a stockholder of the Company, and enters into this
Agreement in such capacity.

     The Buyer would not enter into the Merger Agreement but for the execution
of this Agreement and the accompanying irrevocable proxy, and the Stockholder
desires to induce the Buyer to enter into the Merger Agreement.

     Capitalized terms used herein without definition have the meanings stated
in the Merger Agreement.

     Accordingly, the Stockholder hereby agrees as follows:

     1.  Voting for Merger.

         (a)  Subject to the terms and conditions hereof, the Stockholder will
vote the Subject Shares (i) in favor of the Merger at any stockholder meeting or
solicitation of written consents with respect thereto, or any direct or remote
adjournment thereof, and (ii) against any Third Party Transaction at any
stockholder meeting or solicitation of written consents with respect thereto, or
at any direct or remote adjournment thereof. "Subject Shares" means (i) the
shares of common stock of the Company listed below the Stockholder's signature
hereof (the "Listed Shares") and (ii) any shares of capital stock of the Company
in which he directly or indirectly has Beneficial Ownership and has the power to
vote such shares. "Beneficial Ownership" has the meaning stated in Rule 13d-3
issued by the Securities and Exchange Commission under the Securities Exchange
Act of 1934, as amended.

         (b)  Prior to the consummation of the Merger or any earlier
termination of this Agreement, Stockholder will not transfer, voluntarily or
involuntarily, any record, beneficial or security interest in, or enter into any
other Contract with respect to, any of the Listed Shares to any Person. Any
purported transfer or Contract in violation of this Section 1(b) will be null
and void.
<PAGE>

          (c)  As soon as practicable after execution of this Agreement, the
certificates representing all Listed Shares shall be legended as follows to the
extent held in the personal name of the Stockholder:

                    THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE
                    SUBJECT TO AN AGREEMENT DATED DECEMBER 2, 1999
                    BETWEEN AVANT! CORPORATION AND ________________
                    _________ WHICH RESTRICTS THE VOTING AND TRANSFER
                    OF SUCH SECURITIES. A COPY OF SUCH AGREEMENT IS
                    AVAILABLE FOR INSPECTION AT THE PRINCIPAL OFFICE
                    OF THE ISSUER.

     2.  Stockholder's Representations and Warranties. The Stockholder hereby
represents and warrants to the Buyer that:

         (a)  The Beneficial Ownership and record ownership of, and the
certificates representing the Listed Shares, are fully and accurately stated at
the end of this Agreement. Except as there noted, the Stockholder has (i) 100%,
exclusive Beneficial Ownership of the Listed Shares, subject to no security
interest, pledge, Contract, restriction or right of any third Person, and (ii)
exclusive possession of all certificates there listed.

         (b)  (i)  The execution and delivery of this Agreement by the
Stockholder do not, and the performance of his obligations hereunder and the
consummation of the Merger will not, (A) subject to the making of the filings
and obtaining the approvals identified in Section 2(b)(ii), conflict with or
violate any laws applicable to him or by which any Property or asset of the
Stockholder is bound or affected, or (B) conflict with, result in any breach of,
constitute a default (or an event which with notice or lapse of time or both
would become a default) under, result in a loss or modification adverse to him
of any right or benefit under, give to others any right of termination,
amendment, acceleration, repurchase, repayment, increased payments or
cancellation of, or result in the creation of a lien or other encumbrance on any
Property or asset of the Stockholder pursuant to, any Contract to which the
Stockholder is a party or by which the Stockholder or any Property or asset of
the Stockholder is bound or affected.

               (ii) The execution and delivery of this Agreement by the
Stockholder do not, and the performance of his obligations hereunder will not,
require any consent, approval, authorization or permit of, or filing with or
notification to, any Government Agency for or by the Stockholder, the Company or
any subsidiary or the Buyer or any subsidiary, except that the consummation of
the Merger will be subject to the Exchange Act (in the case of the Company only)
and the filing of articles of merger under the Oregon Business Corporation Act.

     3.  Irrevocable Proxy. In order to ensure the voting of the Stockholder in
accordance with this Agreement, the Stockholder is executing herewith an
irrevocable proxy in the form of Exhibit A attached hereto granting to the Buyer
the right to vote, or to execute and deliver stockholder written consents, in
respect of the Subject Shares. It is understood and agreed that such irrevocable
proxy relates solely to voting for the Merger and against any Third Party
Transaction in accordance with this Agreement and does not constitute the grant
of any rights to said proxy to vote as to any other matters.

                                       2
<PAGE>

     4.  Termination. This Agreement will terminate, and be of no further force
or effect, if the Merger Agreement is terminated pursuant to Section 6.3(a),
(b), (c) or (d) of the Merger Agreement, provided that no such termination of
this Agreement shall relieve the Stockholder of any liability with respect to
any breach of this Agreement occurring prior to such termination.

     5.  Miscellaneous

         (a)   Amendments and Waivers. This Agreement may not be modified or
amended except by an instrument or instruments in writing signed by the party
against whom enforcement of any such modification or amendment is sought. Any
party hereto may, in its sole election, solely as to itself and not as to any
other party hereto, only by an instrument in writing, waive compliance by
another party hereto with any term or provision hereof on the part of such other
party hereto to be performed or complied with. The waiver by any party hereto of
a breach of any term or provision hereof shall not be construed as a waiver of
any subsequent breach.

          (b)  Entire Agreement. This Agreement contains the entire agreement
between the parties hereto with respect to the transactions contemplated hereby.
This Agreement is not intended to confer upon any other person any rights or
remedies hereunder.

          (c)  Applicable Law. This Agreement shall be exclusively governed by
and construed in accordance with the internal laws of the State of California
without regard to principles of conflicts of laws, except as to matters
manditorily governed by the Oregon Business Corporation Act.

          (d)  Descriptive Headings, Section References, Date. The descriptive
headings contained herein are for convenient reference only and shall not affect
in any way the meaning or interpretation of this Agreement. Reference herein to
Sections refer, unless otherwise specified, to the designated Section of this
Agreement. The date of this Agreement is for identification only and is not
necessarily the date on which it was entered into.

          (e)  Counterparts. This Agreement and any amendments hereto may be
executed in any number of counterparts, each of which shall be deemed to be an
original but all of which together shall constitute but one agreement.

          (f)  Successors and Assigns. This Agreement shall be binding upon and
inure to the benefit of the parties hereto and their respective successors. The
Stockholder may not assign its obligations or rights under this Agreement
without the prior written consent of the Buyer.

          (g)  Binding Effect. This Agreement shall, subject to the terms and
conditions hereof, be in all respects binding upon each of the Company and the
Buyer from and after the date hereof.

                                       3
<PAGE>

     IN WITNESS WHEREOF, the Stockholder has signed this Agreement.



Stockholder:        ________________________________
                    Name:

                    Listed Shares:



                    ____________________________________________________________
                         Certificate                            Number of
                          Number           Record Holder         Shares
                    ____________________________________________________________

                    ____________________________________________________________

                    ____________________________________________________________

                    ____________________________________________________________
                                                        total:
                    ____________________________________________________________

                    Exceptions (see Section 2(a):

                    (Initial:)  ____  None.

                                ____  Describe:



Accepted:

______________________________________


By:  ___________________________________
     Name:
     Title:

                                       4
<PAGE>

                                   EXHIBIT A

                               IRREVOCABLE PROXY

     The undersigned hereby grants to Avant! Corporation (the "Buyer") an
irrevocable proxy pursuant to the provisions of the Oregon Business Corporation
Act to vote, or to execute and deliver written consents or otherwise act with
respect to, all shares of capital stock (the "Stock") of Analogy, Inc. (the
"Corporation") now owned or hereafter acquired by the undersigned as fully, to
the same extent and with the same effect as the undersigned might or could do
under any applicable laws or regulations governing the rights and powers of
stockholders of an Oregon corporation in connection with the approval of the
Merger as provided in the Voting and Proxy Agreement dated December 2, 1999,
between the undersigned and the Buyer. The undersigned hereby affirms that this
proxy is given as a condition of said Agreement and as such is coupled with an
interest and is irrevocable.

     THIS PROXY SHALL REMAIN IN FULL FORCE AND EFFECT AND BE ENFORCEABLE AGAINST
ANY DONEE, TRANSFEREE OR ASSIGNEE OF THE STOCK.

     Dated this ____ day of ____________, 1999.


                                         ______________________________
                                         [Name of stockholder]

                                       5


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