QUICKTURN DESIGN SYSTEMS INC
8-K, 1997-02-21
INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS
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<PAGE>

                         SECURITIES AND EXCHANGE COMMISSION
                              Washington, D.C.  20549

                                    FORM 8-K

                                 CURRENT REPORT

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


Date of Report (Date of earliest event reported):  February 7, 1997
                                                   ---------------------------


                           QUICKTURN DESIGN SYSTEMS, INC.                 
- ------------------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)

     Delaware                        0-22738                77-0159619       
- ------------------------------------------------------------------------------
(State or other                  (Commission              (IRS Employer
jurisdiction of                   File Number)        Identification Number)
incorporation)

               440 CLYDE AVENUE, MOUNTAIN VIEW, CALIFORNIA         94043     
- ------------------------------------------------------------------------------
                (Address of principal executive offices)          (Zip Code)

Registrant's telephone number, including area code:  (415) 967-3300     
                                                     -------------------------
                                   N/A
- ------------------------------------------------------------------------------
       (Former name or former address, if changed since last report)

<PAGE>

ITEM 2.   ACQUISITION OR DISPOSITION OF ASSETS.

     On February 7, 1997 (the "Closing Date"), pursuant to an Agreement and 
Plan of Reorganization dated as of January 16, 1997 (the "Reorganization 
Agreement"), among Quickturn Design Systems, Inc. ("Quickturn"), QT 
Corporation, a Delaware corporation and wholly-owned subsidiary of Quickturn 
("Merger Sub"), and SpeedSim, Inc., a Delaware corporation ("SpeedSim"), 
Quickturn acquired SpeedSim by means of a statutory merger (the "Merger") of 
Merger Sub into SpeedSim, with SpeedSim remaining as the surviving 
corporation in the Merger.  As a result of the Merger, SpeedSim became a 
wholly-owned subsidiary of Quickturn.  Merger Sub was formed solely for the 
purpose of effecting the Merger.  Quickturn is a leading provider of 
reprogrammable emulation products for system-level design verification.  
SpeedSim provides cycle-based simulation technology and develops and markets 
SpeedSim/3 for digital logic simulation.

     Pursuant to the Reorganization Agreement, an aggregate of 2,827,221 
shares of Quickturn Common Stock were issued in exchange for (i) all of the 
issued and outstanding capital stock of SpeedSim and (ii) all unexpired and 
unexercised options to acquire capital stock of SpeedSim.  Each outstanding 
share of SpeedSim capital stock was converted into the right to receive a 
number of shares of Quickturn Common Stock equal to 2,827,221 divided by the 
sum of (i) the total number of shares of SpeedSim capital stock outstanding 
on the Closing Date, and (ii) the total number of shares of SpeedSim capital 
stock subject to unexpired and unexercised options to purchase SpeedSim 
capital stock outstanding on the Closing Date (the "Exchange Ratio").  All 
options to purchase SpeedSim capital stock outstanding immediately prior to 
the Merger were assumed by Quickturn.  Each such option became exercisable 
(when vested) for that number of whole shares of Quickturn Common Stock equal 
to the product of the number of shares of SpeedSim capital stock subject to 
such option multiplied by the Exchange Ratio, rounded down to the nearest 
whole number of shares of Quickturn Common Stock.  The per share exercise 
price of each assumed option is equal to the quotient determined by dividing 
the exercise price per share of SpeedSim capital stock subject to such option 
immediately prior to the Merger by the Exchange Ratio, rounded up to the 
nearest whole cent.

     The consideration paid by Quickturn for the outstanding capital stock of 
SpeedSim pursuant to the Reorganization Agreement was determined pursuant to 
arms' length negotiations and took into account various factors concerning 
the valuation of the business of SpeedSim, including public market valuations 
of comparable companies, discounted cash flows for SpeedSim, and multiples 
paid in recent acquisitions of comparable companies.

ITEM 5.   OTHER EVENTS.

     On January 16, 1997 Quickturn announced that for the year ended December 
31, 1996, revenue was $104.4 million, an increase of 28% over 1995 revenue of 
$81.8 million.  Operating income was $16.3 million, an increase of 39% over 
the operating income of $11.7 million in 1995. Net income was $12.6 million 
or $0.83 per share, compared to net income of $13.1 million or $0.90 per 
share in 1995. 

     Both the 1996 results and the results for the fourth quarter of 1996 
include a net year-to-date tax benefit of $542,000 or $0.03 per share 
comprised of a one time recognition of deferred tax assets.  Both the 1995 
results and the results for the fourth quarter of 1995 include a net 
year-to-date tax benefit of $3.7 million or $0.26 per share comprised of a 
one time recognition of deferred tax assets of $6.0 million or $0.41 per 
share offset by an increased tax expense of $2.3 million or $0.15 per share. 

     Fourth quarter revenue of $28.8 million was up 25% over revenue of $23.0 
million in the comparable period of 1995 and up 6% over the previous quarter 
of $27.2 million.  Operating income was $4.8 million, an 

                                   -2-
<PAGE>

increase of 33% over the operating income of $3.6 million in the fourth 
quarter of 1995 and compared to operating income of $4.2 million in the third 
quarter of 1996.  Net income was $4.1 million or $0.26 per share, compared to 
$6.6 million or $0.45 per share in the fourth quarter of 1995 and an increase 
of 29% over the net income of $3.2 million or $0.21 per share in the third 
quarter of 1996. 

ITEM 7.   FINANCIAL STATEMENTS AND EXHIBITS.

     (a)  FINANCIAL STATEMENTS OF SPEEDSIM

          The Financial Information required to be filed pursuant to Item 
7(a) of Form 8-K was not available at the time of filing of this Current 
Report on Form 8-K and will be filed on a Form 8-K/A as soon as practicable, 
but in no event later than 60 days after the date this Form 8-K is required 
to be filed.

     (b)  PRO FORMA FINANCIAL INFORMATION.

          The Pro Forma Financial Information required to be filed pursuant 
to Item 7(b) of Form 8-K was not available at the time of filing of this 
Current Report on Form 8-K and will be filed on a Form 8-K/A as soon as 
practicable, but in no event later than 60 days after the date this Form 8-K 
is required to be filed.

     (c)  EXHIBITS

           2.1     Agreement and Plan of Reorganization dated as of January 16,
                   1997.

           2.2     Certificate of Merger dated February 7, 1997, filed with 
                   the Secretary of State of the State of Delaware on 
                   February 7, 1997.

          20.1     Press Release of Quickturn, dated January 16, 1997, 
                   announcing the financial results for the quarter and year 
                   ended December 31, 1996.


                                   -3-
<PAGE>

                                   SIGNATURES


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


Dated:    February __, 1997            QUICKTURN DESIGN SYSTEMS, INC.


                                       /s/ Raymond K. Ostby
                                       --------------------------------------
                                       Raymond K. Ostby
                                       Vice President, Finance and 
                                       Administration, Chief Financial Officer
                                       and Secretary



                                   -4-
<PAGE>

                                INDEX TO EXHIBITS


   Exhibit                                 
   Number           Description of Document
   -------          -----------------------

       2.1     Agreement and Plan of Reorganization dated as of January 16,
               1997.     

       2.2     Certificate of Merger dated February 7, 1997, filed with the
               Secretary of State of the State of Delaware on February 7, 1997.

      20.1     Press Release of Quickturn, dated January 16, 1997, announcing
               the financial results for the quarter and year ended 
               December 31, 1996.





<PAGE>

                                  EXHIBIT 2.1

                      AGREEMENT AND PLAN OF REORGANIZATION

                                  BY AND AMONG

                         QUICKTURN DESIGN SYSTEMS, INC.

                                 QT CORPORATION

                                       AND

                                 SPEEDSIM, INC.

                          Dated as of January 16, 1997

                                TABLE OF CONTENTS

                                                                            Page
                                                                            ----
ARTICLE I

     THE MERGER. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
     1.1  The Merger . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
     1.2  Effective Time . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
     1.3  Effect of the Merger . . . . . . . . . . . . . . . . . . . . . . . A-2
     1.4  Certificate of Incorporation; Bylaws . . . . . . . . . . . . . . . A-2
     1.5  Directors and Officers . . . . . . . . . . . . . . . . . . . . . . A-2
     1.6  Maximum Shares to Be Issued; Effect on Capital Stock . . . . . . . A-2
     1.7  Dissenting Shares. . . . . . . . . . . . . . . . . . . . . . . . . A-5
     1.8  Surrender of Certificates. . . . . . . . . . . . . . . . . . . . . A-6
     1.9  No Further Ownership Rights in Company Common Stock. . . . . . . . A-7
     1.10 Lost, Stolen or Destroyed Certificates . . . . . . . . . . . . . . A-7
     1.11 Tax and Accounting Consequences. . . . . . . . . . . . . . . . . . A-7
     1.12 Taking of Necessary Action; Further Action . . . . . . . . . . . . A-7

ARTICLE II

     REPRESENTATIONS AND WARRANTIES OF THE COMPANY . . . . . . . . . . . . . A-7
     2.1  Organization of the Company. . . . . . . . . . . . . . . . . . . . A-8
     2.2  Company Capital Structure. . . . . . . . . . . . . . . . . . . . . A-8
     2.3  Subsidiaries . . . . . . . . . . . . . . . . . . . . . . . . . . . A-8
     2.4  Authority. . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-9
     2.5  Company Financial Statements . . . . . . . . . . . . . . . . . . . A-9
     2.6  No Undisclosed Liabilities . . . . . . . . . . . . . . . . . . . .A-10
     2.7  No Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-10
     2.8  Tax and Other Returns and Reports. . . . . . . . . . . . . . . . .A-12
     2.9  Restrictions on Business Activities. . . . . . . . . . . . . . . .A-13
     2.10 Title to Properties; Absence of Liens and Encumbrances . . . . . .A-13


                                    -i-
<PAGE>

                             TABLE OF CONTENTS
                                (continued)

     2.11 Intellectual Property. . . . . . . . . . . . . . . . . . . . . . .A-14
     2.12 Agreements, Contracts and Commitments. . . . . . . . . . . . . . .A-15
     2.13 Interested Party Transactions. . . . . . . . . . . . . . . . . . .A-17
     2.14 Compliance with Laws . . . . . . . . . . . . . . . . . . . . . . .A-17
     2.15 Litigation . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-17
     2.16 Insurance. . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-17
     2.17 Minute Books . . . . . . . . . . . . . . . . . . . . . . . . . . .A-18
     2.18 Environmental Matters. . . . . . . . . . . . . . . . . . . . . . .A-18
     2.19 Brokers' and Finders' Fees; Third Party Expenses . . . . . . . . .A-19
     2.20 Employee Matters and Benefit Plans . . . . . . . . . . . . . . . .A-19
     2.21 Employees. . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-22
     2.22 Pooling of Interests . . . . . . . . . . . . . . . . . . . . . . .A-22
     2.23 Representations Complete . . . . . . . . . . . . . . . . . . . . .A-22

ARTICLE III

     REPRESENTATIONS AND WARRANTIES OF PARENT AND MERGER SUB . . . . . . . .A-23
     3.1  Organization, Standing and Power . . . . . . . . . . . . . . . . .A-23
     3.2  Authority. . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-23
     3.3  Capital Structure. . . . . . . . . . . . . . . . . . . . . . . . .A-24
     3.4  SEC Documents; Parent Financial Statements . . . . . . . . . . . .A-24
     3.5  No Material Adverse Change . . . . . . . . . . . . . . . . . . . .A-24
     3.6  Litigation . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-25
     3.7  Brokers' and Finders' Fees; Third Party Expenses . . . . . . . . .A-25

ARTICLE IV

     CONDUCT PRIOR TO THE EFFECTIVE TIME . . . . . . . . . . . . . . . . . .A-25
     4.1  Conduct of Business of the Company . . . . . . . . . . . . . . . .A-25
     4.2  No Solicitation. . . . . . . . . . . . . . . . . . . . . . . . . .A-28

ARTICLE V

     ADDITIONAL AGREEMENTS . . . . . . . . . . . . . . . . . . . . . . . . .A-29
     5.1  Registration on Form S-4; Private Placement Exemption; Company
          Stockholder Approval . . . . . . . . . . . . . . . . . . . . . . .A-29
     5.2  Access to Information. . . . . . . . . . . . . . . . . . . . . . .A-30
     5.3  Confidentiality. . . . . . . . . . . . . . . . . . . . . . . . . .A-30
     5.4  Expenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-30
     5.5  Public Disclosure. . . . . . . . . . . . . . . . . . . . . . . . .A-31
     5.6  Consents . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-31
     5.7  FIRPTA Compliance. . . . . . . . . . . . . . . . . . . . . . . . .A-31
     5.8  Reasonable Efforts . . . . . . . . . . . . . . . . . . . . . . . .A-31
     5.9  Notification of Certain Matters. . . . . . . . . . . . . . . . . .A-31


                                    -ii-
<PAGE>

                             TABLE OF CONTENTS
                                (continued)

     5.10 Employee Matters . . . . . . . . . . . . . . . . . . . . . . . . .A-31
     5.11 Pooling Accounting . . . . . . . . . . . . . . . . . . . . . . . .A-32
     5.12 Affiliate Agreements . . . . . . . . . . . . . . . . . . . . . . .A-32
     5.13 Voting Agreements. . . . . . . . . . . . . . . . . . . . . . . . .A-32
     5.14 Additional Documents and Further Assurances. . . . . . . . . . . .A-32
     5.15 Form S-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-33
     5.16 Nasdaq National Market Listing . . . . . . . . . . . . . . . . . .A-33
     5.17 Company's Auditors . . . . . . . . . . . . . . . . . . . . . . . .A-33
     5.18 Updates of Schedules . . . . . . . . . . . . . . . . . . . . . . .A-33

ARTICLE VI

     CONDITIONS TO THE MERGER. . . . . . . . . . . . . . . . . . . . . . . .A-33
     6.1  Conditions to Obligations of Each Party to Effect the Merger . . .A-33
     6.2  Additional Conditions to Obligations of the Company. . . . . . . .A-34
     6.3  Additional Conditions to the Obligations of Parent and Merger Sub.A-35

ARTICLE VII

     SURVIVAL OF REPRESENTATIONS AND WARRANTIES; ESCROW. . . . . . . . . . .A-37
     7.1  Survival of Representations and Warranties . . . . . . . . . . . .A-37
     7.2  Escrow Arrangements. . . . . . . . . . . . . . . . . . . . . . . .A-37

ARTICLE VIII

     TERMINATION, AMENDMENT AND WAIVER . . . . . . . . . . . . . . . . . . .A-43
     8.1  Termination. . . . . . . . . . . . . . . . . . . . . . . . . . . .A-43
     8.2  Effect of Termination. . . . . . . . . . . . . . . . . . . . . . .A-44
     8.3  Amendment. . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-44
     8.4  Extension; Waiver. . . . . . . . . . . . . . . . . . . . . . . . .A-45

ARTICLE IX

     GENERAL PROVISIONS. . . . . . . . . . . . . . . . . . . . . . . . . . .A-45
     9.1  Notices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-45
     9.2  Interpretation . . . . . . . . . . . . . . . . . . . . . . . . . .A-46
     9.3  Counterparts . . . . . . . . . . . . . . . . . . . . . . . . . . .A-46
     9.4  Entire Agreement; Assignment . . . . . . . . . . . . . . . . . . .A-46
     9.5  Severability . . . . . . . . . . . . . . . . . . . . . . . . . . .A-47
     9.6  Other Remedies . . . . . . . . . . . . . . . . . . . . . . . . . .A-47
     9.7  Governing Law. . . . . . . . . . . . . . . . . . . . . . . . . . .A-47
     9.8  Rules of Construction. . . . . . . . . . . . . . . . . . . . . . .A-47
     9.9  Specific Performance . . . . . . . . . . . . . . . . . . . . . . .A-47



                                    -iii-
<PAGE>

                                INDEX OF EXHIBITS


EXHIBIT        DESCRIPTION
- -------        -----------

Exhibit A      Form of Company Affiliate Agreement

Exhibit B      Form of Company Stockholder Voting Agreement

Exhibit C      Form of Employment Agreement

Exhibit D      Form of  Legal Opinion of Counsel to Parent

Exhibit E      Form of Legal Opinion of Counsel to the Company

Exhibit F      Form of Declaration of Registration Rights


                                    -iv-
<PAGE>

                               INDEX OF SCHEDULES


SCHEDULE  DESCRIPTION
- --------  -----------

2.2(a)    Stockholder List
2.2(b)    Option List
2.4       Governmental and Third Party Consents
2.5(h)    Company Financial Statements 
2.7       No Changes
2.8       Tax Returns and Audits
2.9       Restrictions on Business Activity
2.10(a)   Leased Real Property
2.10(b)   Liens on Property
2.11(a)   Intellectual Property
2.11(b)   Intellectual Property Licenses
2.12(a)   Agreements, Contracts and Commitments
2.12(b)   Breaches
2.13      Interested Party Transactions
2.19      Expenses of Transaction
2.20(b)   Employee Benefit Plans and Employee Agreements
2.20(d)   Employee Plan Compliance
2.20(g)   Post Employment Obligations
4.1(l)    Severance Agreements
5.12      Company Affiliate List
6.1(f)    Employees Signing Employment Agreements
6.2(c)    Third Party Consents Required of Parent
6.3(c)    Third Party Consents Required of the Company



                                    -v-
<PAGE>

                      AGREEMENT AND PLAN OF REORGANIZATION


     This AGREEMENT AND PLAN OF REORGANIZATION (this "AGREEMENT") is made and 
entered into as of January 16, 1997 among Quickturn Design Systems, Inc., a 
Delaware corporation ("PARENT"), QT Corporation, a Delaware corporation and a 
wholly-owned subsidiary of Parent ("MERGER SUB"), and SpeedSim, Inc., a 
Delaware corporation (the "COMPANY").

                                    RECITALS

     A.   The Boards of Directors of each of the Company, Parent and Merger 
Sub believe it is in the best interests of each company and their respective 
stockholders that Parent acquire the Company through the statutory merger of 
Merger Sub with and into the Company (the "MERGER") and, in furtherance 
thereof, have approved the Merger.

     B.   Pursuant to the Merger, among other things, and subject to the 
terms and conditions of this Agreement, all of the issued and outstanding 
shares of capital stock of the Company ("COMPANY CAPITAL STOCK") and all 
outstanding options to acquire or receive shares of Company Capital Stock 
shall be converted into the right to receive shares of voting Common Stock of 
Parent ("PARENT COMMON STOCK").

     C.   A portion of the shares of Parent Common Stock otherwise issuable 
by Parent in connection with the Merger shall be placed in escrow by Parent, 
the release of which amount shall be contingent upon certain events and 
conditions, all as set forth in Article VII hereof.

     D.   The Company, Parent and Merger Sub desire to make certain 
representations and warranties and other agreements in connection with the 
Merger.

     NOW, THEREFORE, in consideration of the covenants, promises and 
representations set forth herein, and for other good and valuable 
consideration, intending to be legally bound hereby the parties agree as 
follows:

                                    ARTICLE I

                                   THE MERGER

     1.1  THE MERGER.  At the Effective Time (as defined in Section 1.2) and 
subject to and upon the terms and conditions of this Agreement and the 
applicable provisions of the Delaware General Corporation Law ("DELAWARE 
LAW"), Merger Sub shall be merged with and into the Company, the separate 
corporate existence of Merger Sub shall cease, and the Company shall continue 
as the surviving corporation and as a wholly-owned subsidiary of Parent.  The 
Company as 


                                     A-1
<PAGE>

the surviving corporation after the Merger is hereinafter sometimes referred 
to as the "SURVIVING CORPORATION."

     1.2  EFFECTIVE TIME.  Subject to the provisions of this Agreement, the 
closing of the Merger (the "CLOSING") will take place as promptly as 
practicable, but no later than five (5) business days, following satisfaction 
or waiver of the conditions set forth in Article VI, at the offices of Wilson 
Sonsini Goodrich & Rosati, 650 Page Mill Road, Palo Alto, California, unless 
another place or time is agreed to by Parent and the Company.  The date upon 
which the Closing actually occurs is herein referred to as the "CLOSING 
DATE." On the Closing Date, the parties hereto shall cause the Merger to be 
consummated by filing an Agreement or Certificate of Merger (or like 
instrument) with the Secretary of State of the State of Delaware (the "MERGER 
AGREEMENT"), in accordance with the relevant provisions of Delaware Law (the 
time of confirmation by the Secretary of State of Delaware of such filing 
being referred to herein as the "EFFECTIVE TIME").

     1.3  EFFECT OF THE MERGER.  At the Effective Time, the effect of the 
Merger shall be as provided in the applicable provisions of Delaware Law.  
Without limiting the generality of the foregoing, and subject thereto, at the 
Effective Time, all the property, rights, privileges, powers and franchises 
of the Company and Merger Sub shall vest in the Surviving Corporation, and 
all debts, liabilities and duties of the Company and Merger Sub shall become 
the debts, liabilities and duties of the Surviving Corporation.

     1.4  CERTIFICATE OF INCORPORATION; BYLAWS.

          (a)  Unless otherwise determined by Parent prior to the Effective 
Time, at the Effective Time, the Certificate of Incorporation of Merger Sub, 
as in effect immediately prior to the Effective Time, shall be the 
Certificate of Incorporation of the Surviving Corporation until thereafter 
amended as provided by law and such Certificate of Incorporation; provided, 
however, that Article I of the Certificate of Incorporation of the Surviving 
Corporation shall be amended to read as follows:  "The name of the 
corporation is "SpeedSim, Inc."

          (b)  Unless otherwise determined by Parent, the Bylaws of Merger 
Sub, as in effect immediately prior to the Effective Time, shall be the 
Bylaws of the Surviving Corporation until thereafter amended.

     1.5  DIRECTORS AND OFFICERS.  The director(s) of Merger Sub immediately 
prior to the Effective Time shall be the initial director(s) of the Surviving 
Corporation, each to hold office in accordance with the Certificate of 
Incorporation and Bylaws of the Surviving Corporation.  The officers of 
Merger Sub immediately prior to the Effective Time shall be the initial 
officers of the Surviving Corporation, each to hold office in accordance with 
the Bylaws of the Surviving Corporation.

     1.6  MAXIMUM SHARES TO BE ISSUED; EFFECT ON CAPITAL STOCK.  The maximum 
number of shares of Parent Common Stock to be issued (including Parent Common 
Stock to be reserved for 


                                     A-2
<PAGE>

issuance upon exercise of any of the Company's options to be assumed by 
Parent) in exchange for the acquisition by Parent of all outstanding Company 
Capital Stock and all unexpired and unexercised options to acquire Company 
Capital Stock shall be equal to the Aggregate Share Number (as defined in 
Section 1.6(g)(iii)).  No adjustment shall be made in the number of shares of 
Parent Common Stock issued in the Merger as a result of any cash proceeds 
received by the Company from the date hereof to the Effective Time pursuant 
to the exercise of options to acquire Company Capital Stock.  Subject to the 
terms and conditions of this Agreement, as of the Effective Time, by virtue 
of the Merger and without any action on the part of Merger Sub, the Company 
or the holder of any shares of the Company Capital Stock, the following shall 
occur:

          (a)  CONVERSION OF COMPANY COMMON STOCK.  Each share of Common 
Stock of the Company (including all shares of Common Stock of the Company 
issued upon conversion of Preferred Stock of the Company ("COMPANY PREFERRED 
STOCK") immediately prior to the Closing) (collectively, the "COMPANY COMMON 
STOCK") issued and outstanding immediately prior to the Effective Time (other 
than any shares of Company Stock to be canceled pursuant to Section 1.6(b) 
and any Dissenting Shares (as defined and to the extent provided in Section 
1.7(a)) will be canceled and extinguished and be converted automatically into 
the right to receive that number of shares of Parent Common Stock equal to 
the Exchange Ratio (as defined in Section 1.6(g)(v) below), upon surrender of 
the certificate representing such share of Company Common Stock in the manner 
provided in Section 1.8.

          (b)  CANCELLATION OF PARENT-OWNED AND COMPANY-OWNED STOCK.  Each 
share of Company Capital Stock owned by Merger Sub, Parent, the Company or 
any direct or indirect wholly-owned subsidiary of Parent or the Company 
immediately prior to the Effective Time shall be canceled and extinguished 
without any conversion thereof.

          (c)  STOCK OPTIONS.  At the Effective Time, all options to purchase 
Company Common Stock then outstanding under the Company's 1995 Incentive and 
Nonqualified Stock Option Plan, as amended as of the date hereof (the "OPTION 
PLAN"), shall be assumed by Parent in accordance with provisions described 
below.

               (i)  At the Effective Time, each outstanding option to 
purchase shares of Company Common Stock (each a "COMPANY OPTION") under the 
Option Plan, whether vested or unvested, shall be, in connection with the 
Merger, assumed by Parent.  Each Company Option so assumed by Parent under 
this Agreement shall continue to have, and be subject to, the same terms and 
conditions set forth in the Option Plan and/or as provided in the respective 
option agreements governing such Company Option immediately prior to the 
Effective Time, except that (A) such Company Option shall be exercisable 
(when vested) for that number of whole shares of Parent Common Stock equal to 
the product of the number of shares of Company Common Stock that were 
issuable upon exercise of such Company Option immediately prior to the 
Effective Time multiplied by the Exchange Ratio, rounded down to the nearest 
whole number of shares of Parent Common Stock and (B) the per share exercise 
price for the shares of Parent Common Stock issuable upon exercise of such 
assumed Company Option shall be equal to the quotient determined by dividing 
the exercise


                                     A-3
<PAGE>

price per share of Company Common Stock at which such Company Option was 
exercisable immediately prior to the Effective Time by the Exchange Ratio, 
rounded up to the nearest whole cent.

               (ii) It is the intention of the parties that the Company 
Options assumed by Parent qualify following the Effective Time as incentive 
stock options as defined in Section 422 of the Internal Revenue Code of 1986, 
as amended (the "CODE"), to the extent the Company Options qualified as 
incentive stock options immediately prior to the Effective Time.

               (iii) Promptly following the Effective Time, Parent will 
issue to each holder of an outstanding Company Option a document evidencing 
the foregoing assumption of such Company Option by Parent.

          (d)  CAPITAL STOCK OF MERGER SUB.  Each share of Common Stock of 
Merger Sub issued and outstanding immediately prior to the Effective Time 
shall be converted into and exchanged for one validly issued, fully paid and 
nonassessable share of Common Stock of the Surviving Corporation.  Each stock 
certificate of Merger Sub evidencing ownership of any such shares of Common 
Stock of Merger Sub shall, as of the Effective Time, evidence ownership of 
such shares of Common Stock of the Surviving Corporation.

          (e)  ADJUSTMENTS TO EXCHANGE RATIO.  The Exchange Ratio shall be 
adjusted to reflect fully the effect of any stock split, reverse split, stock 
dividend (including any dividend or distribution of securities convertible 
into Company Capital Stock), reorganization, recapitalization or other like 
change with respect to Company Capital Stock occurring after the date hereof 
and prior to the Effective Time.

          (f)  FRACTIONAL SHARES.  No fraction of a share of Parent Common 
Stock will be issued, but in lieu thereof, each holder of shares of Company 
Common Stock who would otherwise be entitled to a fraction of a share of 
Parent Common Stock (after aggregating all fractional shares of Parent Common 
Stock to be received by such holder) shall be entitled to receive from Parent 
an amount of cash (rounded to the nearest whole cent) equal to the product of 
(i) such fraction, multiplied by (ii) the average closing price of a share of 
Parent Common Stock for the five (5) consecutive trading days ending on the 
trading day immediately prior to the Closing Date, as reported on the Nasdaq 
National Market.

          (g)  DEFINITIONS.

               (i)  AGGREGATE COMMON NUMBER.  The "Aggregate Common Number" 
shall mean the aggregate number of shares of Company Common Stock outstanding 
immediately prior to the Effective Time (including all shares of Company 
Common Stock issued upon conversion of Company Preferred Stock.


                                     A-4
<PAGE>

               (ii) AGGREGATE OPTION NUMBER.  The "Aggregate Option Number" 
shall mean the aggregate number of shares of Company Common Stock issuable 
upon the exercise of all outstanding Company Options immediately prior to the 
Effective Time.

               (iii)     AGGREGATE SHARE NUMBER.  The "Aggregate Share 
Number" shall be 2,827,221 shares of Parent Common Stock (as appropriately 
adjusted to reflect the effect of any stock split, reverse split, stock 
dividend (including any dividend or distribution of securities convertible 
into Parent Common Stock), reorganization, recapitalization or other like 
change with respect to the Parent Common Stock occurring after the date 
hereof and prior to the Effective Time).

               (iv) ESCROW AMOUNT.  The "Escrow Amount" shall be a number of 
shares of Parent Common Stock obtained by multiplying (x) the Aggregate 
Common Number by (y) the Exchange Ratio by (z) 0.10.

               (v)  EXCHANGE RATIO.  The "Exchange Ratio" shall mean the 
quotient obtained by dividing (x) the Aggregate Share Number by (y) the sum 
of (A) the Aggregate Common Number, plus (B) the Aggregate Option Number.

     1.7  DISSENTING SHARES.

          (a)  Notwithstanding any provision of this Agreement to the 
contrary, any shares of Company Capital Stock held by a holder who has 
demanded and perfected appraisal or dissenters' rights for such shares in 
accordance with Delaware Law and who, as of the Effective Time, has not 
effectively withdrawn or lost such appraisal or dissenters' rights 
("DISSENTING SHARES") shall not be converted into or represent a right to 
receive Parent Common Stock pursuant to Section 1.6, but the holder thereof 
shall only be entitled to such rights as are granted by Delaware Law.

          (b)  Notwithstanding the provisions of subsection (a), if any 
holder of shares of Company Capital Stock who demands appraisal of such 
shares under Delaware Law shall effectively withdraw or lose (through failure 
to perfect or otherwise) the right to appraisal, then, as of the later of the 
Effective Time and the occurrence of such event, such holder's shares shall 
automatically be converted into and represent only the right to receive 
Parent Common Stock and payment for any fractional share as provided in 
Section 1.6, without interest thereon, upon surrender of the certificate 
representing such shares.

          (c)  The Company shall give Parent (i) prompt notice of any written 
demands for appraisal of any shares of Company Capital Stock, withdrawals of 
such demands, and any other instruments served pursuant to Delaware Law and 
received by the Company and (ii) the opportunity to participate in all 
negotiations and proceedings with respect to demands for appraisal under 
Delaware Law.  The Company shall not, except with the prior written consent 
of Parent, voluntarily make any payment with respect to any demands for 
appraisal of capital stock of the Company or offer to settle or settle any 
such demands.


                                     A-5
<PAGE>

     1.8  SURRENDER OF CERTIFICATES.

          (a)  EXCHANGE PROCEDURES.  At the Closing, (i) each holder of 
record of a certificate or certificates (the "CERTIFICATES") which 
immediately prior to the Effective Time represented outstanding shares of 
Company Capital Stock and which shares were converted into the right to 
receive shares of Parent Common Stock pursuant to Section 1.6 shall surrender 
such Certificates in exchange for certificates representing shares of Parent 
Common Stock, (ii) upon such surrender of a Certificate the holder of such 
Certificate shall be entitled to receive in exchange therefor a certificate 
representing the number of whole shares of Parent Common Stock (less the 
number of shares of Parent Common Stock, if any, to be deposited in the 
Escrow Fund on such holder's behalf pursuant to Article VII hereof), plus 
cash in lieu of fractional shares in accordance with Section 1.6, to which 
such holder is entitled pursuant to Section 1.6, and (iii) the Certificate so 
surrendered shall forthwith be canceled.  As soon as practicable after the 
Effective Time, and subject to and in accordance with the provisions of 
Article VII hereof, Parent shall cause to be distributed to the Escrow Agent 
(as defined in Article VII) a certificate or certificates representing that 
number of shares of Parent Common Stock equal to the Escrow Amount, which 
certificate shall be registered in the name of the Escrow Agent. Such shares 
shall be beneficially owned by the holders on whose behalf such shares were 
deposited in the Escrow Fund and shall be available to compensate Parent as 
provided in Article VII.  Each outstanding Certificate that, prior to the 
Effective Time, represented shares of Company Capital Stock and that is not 
surrendered at the Closing will be deemed from and after the Effective Time, 
for all corporate purposes, other than the payment of dividends, to evidence 
the ownership of the number of full shares of Parent Common Stock into which 
such shares of Company Capital Stock shall have been so converted and the 
right to receive an amount in cash in lieu of the issuance of any fractional 
shares in accordance with Section 1.6.  Upon surrender of any such 
outstanding Certificate to Parent after the Effective Time, Parent shall 
promptly deliver, or cause to be delivered, a certificate representing the 
number of shares of Parent Common Stock into which the shares of Company 
Capital Stock represented by such Certificate were converted, together with 
such amount in cash in lieu of fractional shares.

          (b)  DISTRIBUTIONS WITH RESPECT TO UNEXCHANGED SHARES.  No 
dividends or other distributions with respect to Parent Common Stock declared 
or made after the Effective Time and with a record date after the Effective 
Time will be paid to the holder of any unsurrendered Certificate with respect 
to the shares of Parent Common Stock represented thereby until the holder of 
record of such Certificate shall surrender such Certificate.  Subject to 
applicable law, following surrender of any such Certificate, there shall be 
paid to the record holder of the certificates representing whole shares of 
Parent Common Stock issued in exchange therefor, without interest, at the 
time of such surrender, the amount of dividends or other distributions with a 
record date after the Effective Time theretofore payable with respect to such 
whole shares of Parent Common Stock.

          (c)  TRANSFERS OF OWNERSHIP.  If any certificate for shares of 
Parent Common Stock is to be issued in a name other than that in which the 
Certificate surrendered in exchange therefor is registered, it will be a 
condition of the issuance thereof that the Certificate so surrendered will be 
properly endorsed and otherwise in proper form for transfer and that the 
person requesting such 


                                     A-6
<PAGE>

exchange will have paid to Parent or any agent designated by it any transfer 
or other taxes required by reason of the issuance of a certificate for shares 
of Parent Common Stock in any name other than that of the registered holder 
of the Certificate surrendered, or established to the satisfaction of Parent 
or any agent designated by it that such tax has been paid or is not payable.

     1.9  NO FURTHER OWNERSHIP RIGHTS IN COMPANY COMMON STOCK.  All shares of 
Parent Common Stock issued upon the surrender for exchange of shares of 
Company Capital Stock in accordance with the terms hereof (including any cash 
paid in respect thereof) shall be deemed to have been issued in full 
satisfaction of all rights pertaining to such shares of Company Capital 
Stock, and there shall be no further registration of transfers on the records 
of the Surviving Corporation of shares of Company Capital Stock which were 
outstanding immediately prior to the Effective Time.  If, after the Effective 
Time, Certificates are presented to the Surviving Corporation for any reason, 
they shall be canceled and exchanged as provided in this Article I.

     1.10 LOST, STOLEN OR DESTROYED CERTIFICATES.  In the event any 
Certificates evidencing shares of Company Capital Stock shall have been lost, 
stolen or destroyed, the Company shall, prior to the Closing Date, issue a 
replacement certificate or certificates for such lost, stolen or destroyed 
Certificates, upon the making of an affidavit of that fact by the holder 
thereof; provided, however, that the Company will, upon the request of 
Parent, and as a condition precedent to the issuance thereof, require the 
owner of such lost, stolen or destroyed Certificates to deliver a bond in 
such sum as it may reasonably direct as indemnity against any claim that may 
be made against the Company or Parent with respect to the Certificates 
alleged to have been lost, stolen or destroyed.

     1.11 TAX AND ACCOUNTING CONSEQUENCES.  It is intended by the parties 
hereto that the Merger shall (i) constitute a reorganization within the 
meaning of Section 368 of the Code and (ii) qualify for accounting treatment 
as a pooling of interests.

     1.12 TAKING OF NECESSARY ACTION; FURTHER ACTION.  If, at any time after 
the Effective Time, any such further action is necessary or desirable to 
carry out the purposes of this Agreement and to vest the Surviving 
Corporation with full right, title and possession to all assets, property, 
rights, privileges, powers and franchises of the Company and Merger Sub, the 
officers and directors of the Company and Merger Sub are fully authorized in 
the name of their respective corporations or otherwise to take, and will 
take, all such lawful and necessary action.

                                   ARTICLE II

                  REPRESENTATIONS AND WARRANTIES OF THE COMPANY

     The Company hereby represents and warrants to Parent and Merger Sub, 
subject to such exceptions as are specifically disclosed in the disclosure 
letter (referencing the appropriate section number) supplied by the Company 
to Parent (the "COMPANY SCHEDULES") and dated as of the date hereof, as 
follows:


                                     A-7
<PAGE>

     2.1  ORGANIZATION OF THE COMPANY.  The Company is a corporation duly 
organized, validly existing and in good standing under the laws of the State 
of Delaware.  The Company has the corporate power to own its properties and 
to carry on its business as now being conducted.  The Company is duly 
qualified to do business and in good standing as a foreign corporation in 
each jurisdiction in which the failure to be so qualified would have, or 
would reasonably be expected to have, a material adverse effect on the 
business, assets (including intangible assets), financial condition or 
results of operations of the Company (hereinafter referred to as a "MATERIAL 
ADVERSE EFFECT").  The Company has delivered a true and correct copy of its 
Certificate of Incorporation and Bylaws, each as amended to date, to Parent.

     2.2  COMPANY CAPITAL STRUCTURE.

          (a)  The authorized capital stock of the Company consists of 
10,000,000 shares of authorized Common Stock, of which 2,930,000 shares are 
issued and outstanding, and 2,100,000 shares of authorized Series A Preferred 
Stock, of which 1,600,000 shares are issued and outstanding.  The Company 
Capital Stock is held of record by the persons, with the addresses of record 
and in the amounts set forth on Schedule 2.2(a).  All outstanding shares of 
Company Capital Stock are duly authorized, validly issued, fully paid and 
non-assessable and not subject to preemptive rights created by statute, the 
Certificate of Incorporation or Bylaws of the Company or any agreement to 
which the Company is a party or by which it is bound.

          (b)  As of January 16, 1997, the Company had reserved 970,000 
shares of Common Stock, net of exercises, for issuance pursuant to the Option 
Plan, of which 796,727 shares are subject to outstanding, unexercised options 
and 173,273 shares remain available for future grant.  Schedule 2.2(b) sets 
forth for each outstanding Company Option the name of the holder of such 
option, the state of domicile of such holder, the number of shares of Common 
Stock subject to such option, the exercise price of such option and the 
vesting schedule for such option, including the extent vested to date and 
whether the exercisability of such option will be accelerated and become 
exercisable by reason of the transactions contemplated by this Agreement.  
Except for the Company Options described in Schedule 2.2(b), the Company 
Preferred Stock and this Agreement, there are no options, warrants, calls, 
rights, commitments or agreements of any character, written or oral, to which 
the Company is a party or by which it is bound obligating the Company to 
issue, deliver, sell, repurchase or redeem, or cause to be issued, delivered, 
sold, repurchased or redeemed, any shares of the capital stock of the Company 
or obligating the Company to grant, extend, accelerate the vesting of, change 
the price of, otherwise amend or enter into any such option, warrant, call, 
right, commitment or agreement.  The holders of Company Options have been or 
will be given, or shall have properly waived, any required notice prior to 
the Merger.  As a result of the Merger, Parent will be the record and sole 
beneficial owner of all capital stock of the Company and rights to acquire or 
receive such capital stock.

     2.3  SUBSIDIARIES.  The Company does not have and has never had any 
subsidiaries and does not otherwise own and has never otherwise owned any 
shares of capital stock or any ownership 


                                     A-8
<PAGE>

interest in, or control, directly or indirectly, any other corporation, 
partnership, association, joint venture or other business entity.

     2.4  AUTHORITY.  Subject only to the requisite approval of the Merger 
and this Agreement by the Company's stockholders, the Company has all 
requisite corporate power and authority to enter into this Agreement and to 
consummate the transactions contemplated hereby.  The vote required of the 
Company's stockholders to duly approve the Merger and this Agreement is (a) 
the holders of a majority of the outstanding shares of Company Capital Stock 
voting as a single class and (b) the holders of a majority of the outstanding 
shares of Company Preferred Stock, provided that the conversion of Company 
Preferred Stock into Company Common Stock contemplated by Section 6.3(g) will 
require the consent of all of the holders of outstanding shares of Company 
Preferred Stock.  The execution and delivery of this Agreement and the 
consummation of the transactions contemplated hereby have been duly 
authorized by all necessary corporate action on the part of the Company, 
subject only to the approval of the Merger and this Agreement by the 
Company's stockholders.  The Company's Board of Directors has unanimously 
approved the Merger and this Agreement.  This Agreement has been duly 
executed and delivered by the Company and constitutes the valid and binding 
obligation of the Company, enforceable in accordance with its terms except 
(i) as limited by applicable bankruptcy, insolvency, reorganization, 
moratorium and other laws of general application affecting enforcement of 
creditors' rights generally and (ii) as limited by laws relating to the 
availability of specific performance, injunctive relief or other equitable 
remedies.  Except as set forth on Schedule 2.4, subject only to the approval 
of the Merger and this Agreement by the Company's stockholders, the execution 
and delivery of this Agreement by the Company does not, and, as of the 
Effective Time, the consummation of the transactions contemplated hereby will 
not, conflict with, or result in any violation of, or default under (with or 
without notice or lapse of time, or both), or give rise to a right of 
termination, cancellation or acceleration of any obligation or loss of any 
benefit under (any such event, a "CONFLICT") (i) any provision of the 
Certificate of Incorporation or Bylaws of the Company or (ii) any mortgage, 
indenture, lease, contract or other agreement or instrument, permit, 
concession, franchise, license, judgment, order, decree, statute, law, 
ordinance, rule or regulation applicable to the Company or its properties or 
assets.  No consent, waiver, approval, order or authorization of, or 
registration, declaration or filing with, any court, administrative agency or 
commission or other federal, state, county, local or foreign governmental 
authority, instrumentality, agency or commission ("GOVERNMENTAL ENTITY") or 
any third party (so as not to trigger any Conflict) is required by or with 
respect to the Company in connection with the execution and delivery of this 
Agreement or the consummation of the transactions contemplated hereby, except 
for (i) the filing of the Merger Agreement with the Delaware Secretary of 
State, (ii) such consents, waivers, approvals, orders, authorizations, 
registrations, declarations and filings as may be required under applicable 
federal and state securities laws and (iii) such other consents, waivers, 
authorizations, filings, approvals and registrations which are set forth on 
Schedule 2.4.

     2.5  COMPANY FINANCIAL STATEMENTS.  

          (a)  The Company has delivered to Parent a true and complete copy 
of its unaudited balance sheet as of December 31, 1996 (the "BALANCE SHEET") 
and the related unaudited 


                                     A-9
<PAGE>

statements of operations and cash flows for the twelve-month period then 
ended (collectively, the "COMPANY FINANCIALS").  The Company Financials have 
been prepared in accordance with generally accepted accounting principles 
("GAAP") consistently applied.  The Company Financials present fairly, in all 
material respects, the financial condition and operating results of the 
Company as of the date and during the period indicated therein.

          (b)  Prior to the Closing, the Company shall deliver to Parent an 
audited balance sheet as of the Balance Sheet date and the related audited 
statements of operations and cash flows for the twelve-month period then 
ended (the "Audited Company Financials").  The Audited Company Financials 
shall have been prepared in accordance with GAAP.  The Audited Company 
Financials shall present fairly, in all material respects, the financial 
condition and operating results of the Company as of the date and during the 
period indicated therein. Except as set forth on Schedule 2.5(b), the Audited 
Company Financials shall not differ materially from the Company Financials as 
of and for the twelve-month period ended December 31, 1996.

     2.6  NO UNDISCLOSED LIABILITIES.  Except as set forth in this Agreement 
and the Company Schedules, the Company does not have any liability, 
indebtedness, obligation, expense, claim, deficiency, guaranty or endorsement 
of any type, whether accrued, absolute, contingent, matured, unmatured or 
other (whether or not required to be reflected in financial statements in 
accordance with GAAP), which the Company believes would or, in the good faith 
judgment of the Company, would be reasonably expected to result in a 
liability individually or in the aggregate  in excess of $100,000 and which, 
(i) has not been reflected in the Balance Sheet or (ii) has not arisen in the 
ordinary course of the Company's business since December 31, 1996 consistent 
with past practices.

     2.7  NO CHANGES.  Except as set forth in Schedule 2.7, since the date of 
the Balance Sheet, there has not been, occurred or arisen any:

          (a)  transaction by the Company except in the ordinary course of 
business as conducted on the date of the Balance Sheet and consistent with 
past practices;

          (b)  amendments or changes to the Certificate of Incorporation or 
Bylaws of the Company;

          (c)  capital expenditure or commitment by the Company, either 
individually or in the aggregate, exceeding $100,000;

          (d)  destruction of, damage to or loss of any material assets, 
business or customer of the Company (whether or not covered by insurance);

          (e)  labor trouble or claim of wrongful discharge or other unlawful 
labor practice or action;



                                     A-10
<PAGE>

          (f)  change in accounting methods or practices (including any 
change in depreciation or amortization policies or rates) by the Company;

          (g)  revaluation by the Company of any of its assets;

          (h)  declaration, setting aside or payment of a dividend or other 
distribution with respect to the capital stock of the Company, or any direct 
or indirect redemption, purchase or other acquisition by the Company of any 
Company Capital Stock;

          (i)  increase in the salary or other compensation payable or to 
become payable to any of its officers, directors, employees or advisors, or 
the declaration, payment or commitment or obligation of any kind for the 
payment of a bonus or other additional salary or compensation to any such 
person except as otherwise contemplated by this Agreement;

          (j)  sale, lease, license or other disposition of any of the assets 
or properties of the Company, except in the ordinary course of business as 
conducted on that date and consistent with past practices;

          (k)  amendment or termination of any material contract, agreement 
or license to which the Company is a party or by which it is bound;

          (l)  loan by the Company to any person or entity, incurring by the 
Company of any indebtedness, guaranteeing by the Company of any indebtedness, 
issuance or sale of any debt securities of the Company or guaranteeing of any 
debt securities of others, except for advances to employees for travel and 
business expenses in the ordinary course of business, consistent with past 
practices;

          (m)  waiver or release of any right or claim of the Company, 
including any write-off or other compromise of any account receivable of the 
Company;

          (n)  commencement or notice or overt threat of commencement of any 
lawsuit or proceeding against or investigation of the Company or its affairs;

          (o)  notice of any claim of ownership by a third party of Company 
Intellectual Property Rights (as defined in Section 2.11 below) or of 
infringement by the Company of any third party's intellectual property rights;

          (p)  issuance or sale by the Company of any of its shares of 
Company Capital Stock, or securities exchangeable, convertible or exercisable 
therefor, or of any other of its securities;

          (q)  change in pricing or royalties set or charged by the Company 
to its customers or licensees or in pricing or royalties set or charged by 
persons who have licensed Company Intellectual Property Rights to the Company;



                                     A-11
<PAGE>

          (r)  event or condition of any character that has or could be 
reasonably expected to have a Material Adverse Effect on the Company; or

          (s)  negotiation or agreement by the Company or any officer or 
employees thereof to do any of the things described in the preceding clauses 
(a) through (r) (other than negotiations with Parent and its representatives 
regarding the transactions contemplated by this Agreement).

     2.8  TAX AND OTHER RETURNS AND REPORTS.

          (a)  DEFINITION OF TAXES.  For the purposes of this Agreement, 
"TAX" or, collectively, "TAXES", means any and all federal, state, local and 
foreign taxes, assessments and other governmental charges, duties, 
impositions and liabilities relating to Taxes, including taxes based upon or 
measured by gross receipts, income, profits, sales, use and occupation, and 
value added, ad valorem, transfer, franchise, withholding, payroll, 
recapture, employment, excise and property taxes, together with all interest, 
penalties and additions imposed with respect to such amounts and any 
obligations under any agreements or arrangements with any other person with 
respect to such amounts and including any liability for taxes of a 
predecessor entity.

          (b)  TAX RETURNS AND AUDITS.  Except as set forth in Schedule 2.8:

               (i)  The Company as of the Effective Time will have prepared 
and filed all required federal, state, local and foreign returns, estimates, 
information statements and reports ("RETURNS") relating to any and all Taxes 
concerning or attributable to the Company or its operations and such Returns 
were true and correct in all material respects as of the date on which they 
were filed or as subsequently amended and have been completed in accordance 
with applicable law.

               (ii) The Company as of the Effective Time:  (A) will have paid 
all Taxes shown to be due on the Returns or will be contesting them in good 
faith and (B) will have withheld with respect to its employees all federal 
and state income taxes, FICA, FUTA and other Taxes required to be withheld.

               (iii)  Except as is not material to the Company, the Company 
has not been delinquent in the payment of any Tax nor is there any Tax 
deficiency outstanding, proposed or assessed against the Company, nor has the 
Company executed any waiver of any statute of limitations on or extending the 
period for the assessment or collection of any Tax.

               (iv) No audit or other examination by any Governmental Entity 
of any Return of the Company is currently in progress, nor has the Company 
been notified of any request for such an audit or other examination.

               (v)  As of December 31, 1996, the Company did not have any 
liabilities for unpaid federal, state, local and foreign Taxes were not 
accrued or reserved against in accordance with GAAP on the Balance Sheet, 
whether asserted or unasserted, contingent or otherwise, and has not 


                                     A-12
<PAGE>

incurred liability for Taxes since the date of the Balance Sheet other than 
in the ordinary course of business.

               (vi) The Company has provided to Parent copies of all federal 
and state income and all state sales and use Tax Returns for all periods 
since the date of the Company's incorporation.

               (vii)  None of the Company's assets are treated as 
"tax-exempt use property" within the meaning of Section 168(h) of the Code.

               (viii) As of the Effective Time, there will not be any 
contract, agreement, plan or arrangement, including but not limited to the 
provisions of this Agreement, covering any employee or former employee of the 
Company that, individually or collectively, could give rise to the payment of 
any amount that would not be deductible pursuant to Sections 280G, 404 or 162 
of the Code.

               (ix) The Company has not filed any consent agreement under 
Section 341(f) of the Code or agreed to have Section 341(f)(2) of the Code 
apply to any disposition of a subsection (f) asset (as defined in Section 
341(f)(4) of the Code) owned by the Company.

               (x)  The Company is not a party to a tax sharing or allocation 
agreement nor does the Company owe any amount under any such agreement.

               (xi) The Company is not, and has not been at any time, a 
"United States real property holding corporation" within the meaning of 
Section 897(c)(2) of the Code.

     2.9  RESTRICTIONS ON BUSINESS ACTIVITIES.  Except as set forth on 
Schedule 2.9, there is no agreement (non-compete or otherwise), commitment, 
judgment, injunction, order or decree to which the Company is a party or 
otherwise binding upon the Company which has or reasonably could be expected 
to have the effect of prohibiting or impairing any business practice that is 
material to the Company, any acquisition of material property (tangible or 
intangible) by the Company or the conduct of business by the Company as 
currently conducted.  Without limiting the foregoing, the Company has not 
entered into any agreement under which the Company is restricted from 
selling, licensing or otherwise distributing any of its products to any class 
of customers, in any geographic area, during any period of time or in any 
segment of the market.

     2.10 TITLE TO PROPERTIES; ABSENCE OF LIENS AND ENCUMBRANCES.

          (a)  The Company owns no real property, nor has it ever owned any 
real property.  Schedule 2.10(a) sets forth a list of all real property 
currently, or at any time in the past, leased by the Company, the name of the 
lessor, the date of the lease and each amendment thereto and, with respect to 
any current lease, the aggregate annual rental and/or other fees payable 
under any such lease.  All such current leases are in full force and effect, 
are valid and effective in accordance with their 


                                     A-13
<PAGE>

respective terms, and there is not, under any of such leases, any existing 
default or event of default (or event which with notice or lapse of time, or 
both, would constitute a default).

          (b)  The Company has good and valid title to, or, in the case of 
leased properties and assets, valid leasehold interests in, all of its 
tangible properties and assets, real, personal and mixed, used or held for 
use in its business, free and clear of any liens, pledges, charges, claims, 
security interests or other encumbrances of any sort ("LIENS"), except as 
reflected in the Company Financials or in Schedule 2.10(b) and except for 
liens for taxes not yet due and payable and such imperfections of title and 
encumbrances, if any, which are not material in character, amount or extent, 
and which do not materially detract from the value, or materially interfere 
with the present use, of the property subject thereto or affected thereby.

     2.11 INTELLECTUAL PROPERTY.

          (a)  The Company owns, or is licensed or otherwise possesses 
legally enforceable rights to use, all patents, trademarks, trade names, 
service marks, copyrights, and any applications therefor, maskworks, net 
lists, schematics, technology, know-how, computer software programs or 
applications (in both source code and object code form, if applicable), and 
tangible or intangible proprietary information or material that is necessary 
to the business of the Company as currently conducted or as proposed to be 
conducted by the Company (the "COMPANY INTELLECTUAL PROPERTY RIGHTS").

          (b)  Schedule 2.11(a) sets forth a complete list of all patents, 
registered and material unregistered trademarks, registered copyrights, trade 
names and service marks, and any applications therefor, included in the 
Company Intellectual Property Rights, and specifies, where applicable, the 
jurisdictions in which each such Company Intellectual Property Right has been 
issued or registered or in which an application for such issuance and 
registration has been filed, including the respective registration or 
application numbers and the names of all registered owners.  Schedule 2.11(b) 
sets forth a complete list of all licenses, sublicenses and other agreements 
as to which the Company is a party and pursuant to which the Company or any 
other person is authorized to use any Company Intellectual Property Right 
(excluding object code end-user licenses granted to end-users in the ordinary 
course of business that permit use of software products without a right to 
modify, distribute or sublicense the same ("END-USER LICENSES")) or trade 
secret of the Company, and includes the identity of all parties thereto, a 
description of the nature and subject matter thereof, the applicable royalty 
or other fees and the term thereof.  Except as set forth in Schedule 2.11(b), 
the execution and delivery of this Agreement by the Company, and the 
consummation of the transactions contemplated hereby, will neither cause the 
Company 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 set forth in Schedules 2.11(a) or 2.11(b), the Company is the sole 
and exclusive owner or licensee of, with all right, title and interest in and 
to (free and clear of any Liens), the Company Intellectual Property Rights, 
and has sole and exclusive rights (and is not contractually obligated to pay 
any compensation to any third party in respect thereof) to 


                                     A-14
<PAGE>

the use thereof or the material covered thereby in connection with the 
services or products in respect of which the Company Intellectual Property 
Rights are being used.  

          (c)  No claims with respect to the Company Intellectual Property 
Rights have been asserted or are, to the Company's knowledge, threatened by 
any person, nor, to the Company's knowledge, are there any valid grounds for 
any BONA FIDE claims, (i) to the effect that the manufacture, sale, licensing 
or use of any of the products of the Company infringes on any copyright, 
patent, trade mark, service mark, trade secret or other proprietary right, 
(ii) against the use by the Company of any trademarks, service marks, trade 
names, trade secrets, copyrights, maskworks, patents, technology, know-how or 
computer software programs and applications used in the Company's business as 
currently conducted or as proposed to be conducted by the Company, or (iii) 
challenging the ownership by the Company, validity or effectiveness of any of 
the Company Intellectual Property Rights.  All registered trademarks, service 
marks and copyrights held by the Company are valid and subsisting.   To the 
Company's knowledge, the Company has not infringed, and the business of the 
Company as currently conducted or as proposed to be conducted does not 
infringe, any copyright, patent, trademark, service mark, trade secret or 
other  proprietary right of any third party.  To the Company's knowledge, 
there is no material unauthorized use, infringement or misappropriation of 
any of the Company Intellectual Property Rights by any third party, including 
any employee or former employee of the Company.  No Company Intellectual 
Property Right or product of the Company or any of its subsidiaries is 
subject to any outstanding decree, order, judgment, or stipulation 
restricting in any manner the licensing thereof by the Company.  Each 
employee, consultant or contractor of the Company has executed a proprietary 
information and confidentiality agreement substantially in the Company's 
standard forms. All software included in the Company Intellectual Property 
Rights that is owned or purported to be owned by the Company has been either 
created by employees of the Company on a work-for-hire basis or by 
consultants or contractors who have created such software themselves and have 
assigned all rights they may have had in such software to the Company, in 
each case without any unauthorized use or misappropriation of any copyright, 
patent, trademark, service mark, trade secret or other proprietary right of 
any third party.

     2.12 AGREEMENTS, CONTRACTS AND COMMITMENTS.  Except as set forth on 
Schedule 2.12(a), the Company is not currently a party to or bound by:

          (i)  any collective bargaining agreements,

          (ii) any agreements or arrangements that contain any severance pay 
or post-employment liabilities or obligations,

          (iii)     any bonus, deferred compensation, pension, profit sharing 
or retirement plans, or any other employee benefit plans or arrangements,

          (iv) any employment or consulting agreement, contract or commitment 
(other than as provided by statute or other law) with an employee or 
individual consultant or salesperson or any 


                                     A-15
<PAGE>

consulting or sales agreement, contract or commitment under which any firm or 
other organization provides services to the Company,

          (v)    any agreement or plan, including, without limitation, any 
stock option plan, stock appreciation rights plan or stock purchase plan, any 
of the benefits of which will be increased, or the vesting of benefits of 
which will be accelerated, by the occurrence of any of the transactions 
contemplated by this Agreement or the value of any of the benefits of which 
will be calculated on the basis of any of the transactions contemplated by 
this Agreement,

          (vi)   any fidelity or surety bond or completion bond,

          (vii)  any lease of personal property having a value individually 
in excess of $25,000,

          (viii) any agreement of indemnification or guaranty,

          (ix)   any agreement, contract or commitment containing any 
covenant limiting the freedom of the Company to engage in any line of 
business or to compete with any person,

          (x)    any agreement, contract or commitment relating to capital 
expenditures and involving future payments in excess of $100,000,

          (xi)   any agreement, contract or commitment relating to the 
disposition or acquisition of assets, or any interest in any business 
enterprise, outside the ordinary course of the Company's business,

          (xii)  any mortgages, indentures, loans or credit agreements, 
security agreements or other agreements or instruments relating to the 
borrowing of money or extension of credit,

          (xiii) any purchase order or contract for the purchase of raw 
materials involving $25,000 or more,

          (xiv)  any construction contracts,

          (xv)   any distribution, joint marketing or development agreement, 

          (xvi)  any agreement pursuant to which the Company has granted or 
may grant in the future, to any party, a source-code license or option or 
other right to use or acquire source-code, or 

          (xvii)  any other agreement, contract or commitment that involves 
$25,000 or more and is not cancelable without penalty within thirty (30) days.

Except for such alleged breaches, violations and defaults, and events that 
would constitute a breach, violation or default with the lapse of time, 
giving of notice, or both, as are all noted in Schedule 


                                     A-16
<PAGE>

2.12(b), the Company has not breached, violated or defaulted under, or 
received overt notice that it has breached, violated or defaulted under, any 
of the terms or conditions of any agreement, contract or commitment required 
to be set forth on Schedule 2.12(a) or Schedule 2.11(b) (any such agreement, 
contract or commitment, a "CONTRACT") in such a manner as would permit any 
other party to cancel or terminate the Contract or would permit any other 
party to seek damages from the Company under the Contract.  Each Contract is 
in full force and effect and, except as otherwise disclosed in Schedule 
2.12(b), is not subject to any default thereunder of which the Company has 
knowledge by any party obligated to the Company pursuant thereto.

     2.13 INTERESTED PARTY TRANSACTIONS.  Except as set forth on Schedule 
2.13, no officer, director or stockholder of the Company (nor any ancestor, 
sibling, descendant or spouse of any of such persons, or any trust, 
partnership or corporation in which any of such persons has or has had an 
interest), has, directly or indirectly, (i) an economic interest in any 
entity which furnished or sold, or furnishes or sells, services or products 
that the Company furnishes or sells, or proposes to furnish or sell, (ii) an 
economic interest in any entity that purchases from or sells or furnishes to, 
the Company, any goods or services or (iii) a beneficial interest in any 
contract or agreement set forth in Schedule 2.12(a) or Schedule 2.11(b); 
provided, that ownership of no more than one percent (1%) of the outstanding 
voting stock of a publicly traded corporation shall not be deemed an 
"economic interest in any entity" for purposes of this Section 2.13.

     2.14 COMPLIANCE WITH LAWS.  The business of the Company is not being 
conducted in material violation of, and the Company has not received any 
notices of violation with respect to, any foreign, federal, state or local 
statute, law or regulation.

     2.15 LITIGATION.  There is no action, suit or proceeding of any nature 
pending, or as to which the Company or any of its officers or directors has 
received a written notice of assertion, against the Company, its properties 
or any of its officers or directors, in their respective capacities as such.  
There is no investigation pending, or as to which the Company or any of its 
officers or directors has received a written notice of assertion, against the 
Company, its properties or any of its officers or directors, in their 
respective capacities as such or as employees, by or before any governmental 
entity.  The Company has not received any communication from a governmental 
entity at any time challenging or questioning the legal right of the Company 
to manufacture, offer or sell any of its products in the present manner 
thereof.

     2.16 INSURANCE. The Company has made available to Parent true and 
complete copies of all insurance policies or binders to which the Company is 
a party or under which the Company is covered and true and complete copies of 
all applications for insurance policies.  All insurance policies to which the 
Company is a party or that provide coverage to the Company are in full force 
and effect.  There is no claim by the Company pending under any of such 
policies or bonds as to which coverage has been questioned, denied or 
disputed by the underwriters of such policies or bonds.  All premiums due and 
payable under all such policies and bonds have been paid and the Company is 
otherwise in material compliance with the terms of such policies and bonds 
(or other policies and bonds providing 


                                     A-17
<PAGE>

substantially similar insurance coverage).  The Company has no knowledge of 
any threatened termination of, or material premium increase with respect to, 
any of such policies.

     2.17 MINUTE BOOKS.  The minute books of the Company made available to 
counsel for Parent are the only minute books of the Company and contain all 
of the votes and consents adopted by the Company's board of directors (or 
committees thereof) and stockholders since the time of incorporation of the 
Company.

     2.18 ENVIRONMENTAL MATTERS.

          (a)  HAZARDOUS MATERIAL.  The Company has not operated any 
underground storage tanks, and has no knowledge of the existence, at any 
time, of any underground storage tank (or related piping or pumps), at any 
property that the Company has at any time owned, operated, occupied or 
leased.  The Company has not released any amount of any substance that has 
been designated by any Governmental Entity or by applicable federal, state or 
local law to be radioactive, toxic, hazardous or otherwise a danger to health 
or the environment, including, without limitation, PCBs, asbestos, oil and 
petroleum products, urea-formaldehyde and all substances listed as a 
"hazardous substance," "hazardous waste," "hazardous material" or "toxic 
substance" or words of similar import, under any law, including but not 
limited to, the Comprehensive Environmental Response, Compensation, and 
Liability Act of 1980, as amended; the Resource Conservation and Recovery Act 
of 1976, as amended; the Federal Water Pollution Control Act, as amended; the 
Clean Air Act, as amended, and the regulations promulgated pursuant to said 
laws, (a "HAZARDOUS MATERIAL"). No Hazardous Materials are present as a 
result of the actions of the Company, or, to the Company's knowledge, as a 
result of any actions of any third party or otherwise, in, on or under any 
property, including the land and the improvements, ground water and surface 
water thereof, that the Company has at any time owned, operated, occupied or 
leased.

          (b)  HAZARDOUS MATERIALS ACTIVITIES.  The Company has not 
transported, stored, used, manufactured, disposed of, released or exposed its 
employees or others to Hazardous Materials in violation of any law in effect 
on or before the Effective Time, nor has the Company disposed of, 
transported, sold, or manufactured any product containing a Hazardous 
Material (any or all of the foregoing being collectively referred to as 
"HAZARDOUS MATERIALS ACTIVITIES") in violation of any rule, regulation, 
treaty or statute promulgated by any Governmental Entity in effect prior to 
or as of the date hereof to prohibit, regulate or control Hazardous Materials 
or any Hazardous Material Activity.

          (c)  PERMITS.  The Company currently holds all environmental 
approvals, permits, licenses, clearances and consents (the "ENVIRONMENTAL 
PERMITS") necessary for the conduct of the Company's Hazardous Material 
Activities and other businesses of the Company as such activities and 
businesses are currently being conducted.

          (d)  ENVIRONMENTAL LIABILITIES.  No action, proceeding, revocation 
proceeding, amendment procedure, writ, injunction or claim is pending, or to 
the Company's knowledge, threatened concerning any Environmental Permit, 
Hazardous Material or any Hazardous Materials 


                                     A-18
<PAGE>

Activity of the Company.  The Company is not aware of any fact or 
circumstance which could involve the Company in any environmental litigation 
or impose upon the Company any environmental liability.

     2.19 BROKERS' AND FINDERS' FEES; THIRD PARTY EXPENSES.  The Company has 
not incurred, nor will it incur, directly or indirectly, any liability for 
brokerage or finders' fees or agents' commissions or any similar charges in 
connection with this Agreement or any transaction contemplated hereby.  
Schedule 2.19 sets forth the Company's current reasonable estimate of all 
Third Party Expenses (as defined in Section 5.4) expected to be incurred by 
the Company in connection with the negotiation and effectuation of the terms 
and conditions of this Agreement and the transactions contemplated hereby.

     2.20 EMPLOYEE MATTERS AND BENEFIT PLANS.

          (a)  DEFINITIONS.  With the exception of the definition of 
"Affiliate" set forth in Section 2.20(a)(i) below (which definition shall 
apply only to this Section 2.20), for purposes of this Agreement, the 
following terms shall have the meanings set forth below:

               (i)  "AFFILIATE" shall mean any other person or entity under 
common control with the Company within the meaning of Section 414(b), (c), 
(m) or (o) of the Code and the regulations thereunder;

               (ii) "ERISA" shall mean the Employee Retirement Income 
Security Act of 1974, as amended;

               (iii)     "COMPANY EMPLOYEE PLAN" shall refer to any plan, 
program, policy, practice, contract, agreement or other arrangement providing 
for compensation, severance, termination pay, performance awards, stock or 
stock-related awards, fringe benefits or other employee benefits or 
remuneration of any kind, whether formal or informal, funded or unfunded and 
whether or not legally binding, including without limitation, each "employee 
benefit plan", within the meaning of Section 3(3) of ERISA which is or has 
been maintained, contributed to, or required to be contributed to, by the 
Company or any Affiliate for the benefit of any "Employee" (as defined 
below), and pursuant to which the Company or any Affiliate has or may have 
any material liability contingent or otherwise;

               (iv) "EMPLOYEE" shall mean any current, former, or retired 
employee, officer, or director of the Company or any Affiliate;

               (v)  "EMPLOYEE AGREEMENT" shall refer to each management, 
employment, severance, consulting, relocation, repatriation, expatriation, 
visas, work permit or similar agreement or contract between the Company or 
any Affiliate and any Employee or consultant;

               (vi) "IRS" shall mean the Internal Revenue Service;


                                     A-19
<PAGE>

               (vii)  "MULTIEMPLOYER PLAN" shall mean any "Pension Plan" (as
defined below) which is a "multiemployer plan", as defined in Section 3(37) of
ERISA; and

               (viii) "PENSION PLAN" shall refer to each Company Employee
Plan which is an "employee pension benefit plan", within the meaning of
Section 3(2) of ERISA.

          (b)  SCHEDULE.  Schedule 2.20(b) contains an accurate and complete 
list of each Company Employee Plan and each Employee Agreement, together with 
a schedule of all liabilities, whether or not accrued, under each such 
Company Employee Plan or Employee Agreement.  Except as set forth on Schedule 
2.20(b), the Company does not have any plan or commitment, whether legally 
binding or not, to establish any new Company Employee Plan or Employee 
Agreement, to modify any Company Employee Plan or Employee Agreement (except 
to the extent required by law or to conform any such Company Employee Plan or 
Employee Agreement to the requirements of any applicable law, in each case as 
previously disclosed to Parent in writing, or as required by this Agreement), 
or to enter into any Company Employee Plan or Employee Agreement, nor does it 
have any intention or commitment to do any of the foregoing. 

          (c)  DOCUMENTS.  The Company has provided to Parent (i) correct and 
complete copies of all documents embodying or relating to each Company 
Employee Plan and each Employee Agreement including all amendments thereto 
and written interpretations thereof; (ii) the most recent annual actuarial 
valuations, if any, prepared for each Company Employee Plan; (iii) the three 
most recent annual reports (Series 5500 and all schedules thereto), if any, 
required under ERISA or the Code in connection with each Company Employee 
Plan or related trust; (iv) if the Company Employee Plan is funded, the most 
recent annual and periodic accounting of Company Employee Plan assets; (v) 
the most recent summary plan description together with the most recent 
summary of material modifications, if any, required under ERISA with respect 
to each Company Employee Plan; (vi) all IRS determination letters and rulings 
relating to Company Employee Plans and copies of all applications and 
correspondence to or from the IRS or the Department of Labor ("DOL") with 
respect to any Company Employee Plan; (vii) all communications material to 
any Employee or Employees relating to any Company Employee Plan and any 
proposed Company Employee Plans, in each case, relating to any amendments, 
terminations, establishments, increases or decreases in benefits, 
acceleration of payments or vesting schedules or other events which would 
result in any material liability to the Company; and (viii) all registration 
statements and prospectuses prepared in connection with each Company Employee 
Plan.

          (d)  EMPLOYEE PLAN COMPLIANCE.  Except as set forth on Schedule 
2.20(d), (i) the Company has performed in all material respects all 
obligations required to be performed by it under each Company Employee Plan, 
and each Company Employee Plan has been established and maintained in all 
material respects in accordance with its terms and in compliance with all 
applicable laws, statutes, orders, rules and regulations, including but not 
limited to ERISA or the Code; (ii) no "prohibited transaction", within the 
meaning of Section 4975 of the Code or Section 406 of ERISA, has occurred 
with respect to any Company Employee Plan; (iii) there are no actions, suits 
or claims pending, or, to the knowledge of the Company, threatened or 
anticipated (other than routine claims 


                                     A-20
<PAGE>

for benefits) against any Company Employee Plan or against the assets of any 
Company Employee Plan; and (iv) each Company Employee Plan can be amended, 
terminated or otherwise discontinued after the Effective Time in accordance 
with its terms, without liability to the Company, Parent or any of its 
Affiliates (other than ordinary administration expenses typically incurred in 
a termination event); (v) there are no inquiries or proceedings pending or, 
to the knowledge of the Company or any affiliates, threatened by the IRS or 
DOL with respect to any Company Employee Plan; and (vi) neither the Company 
nor any Affiliate is subject to any penalty or tax with respect to any 
Company Employee Plan under Section 402(i) of ERISA or Section 4975 through 
4980 of the Code.

          (e)  PENSION PLANS.  The Company does not now, nor has it ever, 
maintained, established, sponsored, participated in, or contributed to, any 
Pension Plan which is subject to Part 3 of Subtitle B of Title I of ERISA, 
Title IV of ERISA or Section 412 of the Code.

          (f)  MULTIEMPLOYER PLANS.  At no time has the Company contributed 
to or been requested to contribute to any Multiemployer Plan.

          (g)  NO POST-EMPLOYMENT OBLIGATIONS.  Except as set forth in 
Schedule 2.20(g), no Company Employee Plan provides, or has any liability to 
provide, life insurance, medical or other employee benefits to any Employee 
upon his or her retirement or termination of employment for any reason, 
except as may be required by statute, and the Company has never represented, 
promised or contracted (whether in oral or written form) to any Employee 
(either individually or to Employees as a group) that such Employee(s) would 
be provided with life insurance, medical or other employee welfare benefits 
upon their retirement or termination of employment, except to the extent 
required by statute.

          (h)  EFFECT OF TRANSACTION.

               (i)  The execution of this Agreement and the consummation of 
the transactions contemplated hereby will not (either alone or upon the 
occurrence of any additional or subsequent events) constitute an event under 
any Company Employee Plan, Employee Agreement, trust or loan that will or may 
result in any payment (whether of severance pay or otherwise), acceleration, 
forgiveness of indebtedness, vesting, distribution, increase in benefits or 
obligation to fund benefits with respect to any Employee.

               (ii) No payment or benefit which will or may be made by the 
Company or Parent or any of their respective affiliates with respect to any 
Employee will be characterized as an "excess parachute payment", within the 
meaning of Section 280G(b)(1) of the Code.

          (i)  EMPLOYMENT MATTERS.  The Company (i) is in compliance in all 
material respects with all applicable foreign, federal, state and local laws, 
rules and regulations respecting employment, employment practices, terms and 
conditions of employment and wages and hours, in each case, with respect to 
Employees; (ii) has withheld all amounts required by law or by agreement 


                                     A-21
<PAGE>

to be withheld from the wages, salaries and other payments to Employees; 
(iii) is not liable for any arrears of wages or any taxes or penalty for 
failure to comply with any of the foregoing; and (iv) is not liable for any 
payment to any trust or other fund or to any governmental or administrative 
authority, with respect to unemployment compensation benefits, social 
security or other benefits or obligations for Employees (other than routine 
payments to be made in the ordinary course of business and consistent with 
past practice).

          (j)  LABOR.  No work stoppage or labor strike against the Company 
is pending or, to the best knowledge of the Company, threatened.  The Company 
is not involved in or, to the knowledge of the Company, threatened with, any 
labor dispute, grievance, or litigation relating to labor, safety or 
discrimination matters involving any Employee, including, without limitation, 
charges of unfair labor practices or discrimination complaints, which, if 
adversely determined, would, individually or in the aggregate, result in 
liability to the Company. Neither the Company nor any of its subsidiaries has 
engaged in any unfair labor practices within the meaning of the National 
Labor Relations Act which would, individually or in the aggregate, directly 
or indirectly result in a liability to the Company.  The Company is not 
presently, nor has it been in the past, a party to, or bound by, any 
collective bargaining agreement or union contract with respect to Employees 
and no collective bargaining agreement is being negotiated by the Company.

     2.21 EMPLOYEES.  To the best of the Company's knowledge, no employee of 
the Company (i) is in violation of any term of any employment contract, 
patent disclosure agreement, non-competition agreement, or any restrictive 
covenant to a former employer relating to the right of any such employee to 
be employed by the Company because of the nature of the business conducted or 
presently proposed to be conducted by the Company or to the use of trade 
secrets or proprietary information of others and (ii) has given notice to the 
Company, nor is the Company otherwise aware, that such employee intends to 
terminate his or her employment with the Company.

     2.22 POOLING OF INTERESTS.  To the Company's knowledge, based on 
consultation with its independent accountants, neither the Company nor any of 
its directors, officers or stockholders has taken any action which would 
interfere with Parent's ability to account for the Merger as a pooling of 
interests.

     2.23 REPRESENTATIONS COMPLETE.  None of the representations or 
warranties made by the Company (as modified by the Company Schedules), nor 
any statement made in any schedule or certificate furnished by the Company 
pursuant to this Agreement, or furnished in or in connection with documents 
mailed or delivered to the stockholders of the Company in connection with 
soliciting their consent to this Agreement and the Merger, contains or will 
contain at the Effective Time, any untrue statement of a material fact, or 
omits or will omit at the Effective Time to state any material fact necessary 
in order to make the statements contained herein or therein, in the light of 
the circumstances under which made, not misleading.  Disclosure of any matter 
herein, including as set forth on any one Company Schedule, shall, if 
reasonable, be deemed to be set forth on any other Company Schedule for which 
such matter is applicable.



                                     A-22
<PAGE>

                                   ARTICLE III

             REPRESENTATIONS AND WARRANTIES OF PARENT AND MERGER SUB

     Parent and Merger Sub represent and warrant to the Company as follows:

     3.1  ORGANIZATION, STANDING AND POWER.  Parent is a corporation duly 
organized, validly existing and in good standing under the laws of the State 
of Delaware.  Merger Sub is a corporation duly organized, validly existing 
and in good standing under the laws of the State of Delaware.  Each of Parent 
and Merger Sub has the corporate power to own its properties and to carry on 
its business as now being conducted and is duly qualified to do business and 
is in good standing as a foreign corporation in each jurisdiction in which 
the failure to be so qualified would have a material adverse effect on the 
business, assets (including intangible assets), financial condition or 
results of operations of Parent and Merger Sub as a whole.

     3.2  AUTHORITY.  Parent and Merger Sub have all requisite corporate 
power and authority to enter into this Agreement and to consummate the 
transactions contemplated hereby.  The execution and delivery of this 
Agreement and the consummation of the transactions contemplated hereby have 
been duly authorized by all necessary corporate action on the part of Parent 
and Merger Sub.  This Agreement has been duly executed and delivered by 
Parent and Merger Sub and constitutes the valid and binding obligations of 
Parent and Merger Sub, enforceable in accordance with its terms except (i) as 
limited by applicable bankruptcy, insolvency, reorganization, moratorium and 
other laws of general application affecting enforcement of creditors' rights 
generally and (ii) as limited by laws relating to the availability of 
specific performance, injunctive relief or other equitable remedies.   The 
execution and delivery of this Agreement by the Company does not, and, as of 
the Effective Time, the consummation of the transactions contemplated hereby 
will not, conflict with, or result in any violation of, or default under 
(with or without notice or lapse of time, or both), or give rise to a right 
of termination, cancellation or acceleration of any obligation or loss of any 
benefit under (i) any provision of the Certificate of Incorporation or Bylaws 
of the Company or (ii) any agreement required to be filed as an exhibit to 
any registration statement or report filed with the SEC (as defined below) or 
any judgment, order, decree, statute, law, ordinance, rule or regulation 
applicable to the Company or its properties or assets, which would have a 
material adverse effect on Parent.  No consent, waiver, approval, order or 
authorization of, or registration, declaration or filing with, any 
Governmental Entity or any third party (so as not to trigger any Conflict) is 
required by or with respect to the Company in connection with the execution 
and delivery of this Agreement or the consummation of the transactions 
contemplated hereby, except for (i) the filing of the Merger Agreement with 
the Delaware Secretary of State, (ii) such consents, waivers, approvals, 
orders, authorizations, registrations, declarations and filings as may be 
required under applicable federal and state securities laws, (iii) such other 
consents, waivers, authorizations, filings, approvals and registrations which 
are required to be obtained by the Company, and (iv) such other consents, 
waivers, authorizations, filings, approvals and registrations, the absence of 
which would not have a material adverse effect on the 


                                     A-23
<PAGE>

business, assets (including intangible assets), financial conditions or 
results of operations of Parent or on the ability of Parent to consummate the 
transactions contemplated hereby.

     3.3  CAPITAL STRUCTURE. 

          (a)  The authorized stock of Parent consists of 20,000,000 shares 
of Common Stock, of which 14,145,923 shares were issued and outstanding as of 
January 15, 1997, and 2,000,000 shares of Preferred Stock, none of which is 
issued or outstanding.  The authorized capital stock of Merger Sub consists 
of 1,000 shares of Common Stock, all of which, as of the date hereof, are 
issued and outstanding and are held by Parent.  All such shares have been 
duly authorized, and all such issued and outstanding shares have been validly 
issued, are fully paid and nonassessable and are free of any liens or 
encumbrances other than any liens or encumbrances created by or imposed upon 
the holders thereof. 

          (b)  The shares of Parent Common Stock to be issued pursuant to the 
Merger (including shares issued upon valid exercise of the Company Options), 
when issued, will be duly authorized, validly issued, fully paid and 
non-assessable.

     3.4  SEC DOCUMENTS; PARENT FINANCIAL STATEMENTS.  Parent has furnished 
or made available to the Company true and complete copies of all reports or 
registration statements filed by it with the U.S. Securities and Exchange 
Commission (the "SEC") under the Securities Exchange Act of 1934 (the 
"EXCHANGE ACT") for all periods since January 1, 1996, all in the form so 
filed (all of the foregoing being collectively referred to as the "SEC 
DOCUMENTS").  As of their respective filing dates, the SEC Documents complied 
in all material respects with the requirements of the Securities Act of 1933 
(the "SECURITIES ACT") or the Exchange Act, as the case may be, and none of 
the SEC Documents contained any untrue statement of a material fact or 
omitted to state a material fact required to be stated therein or necessary 
to make the statements made therein, in light of the circumstances in which 
they were made, not misleading, except to the extent corrected by a document 
subsequently filed with the SEC and delivered to the Company.  The financial 
statements of Parent, including the notes thereto, included in the SEC 
Documents (the "PARENT FINANCIAL STATEMENTS") comply as to form in all 
material respects with applicable accounting requirements and with the  
published rules and regulations of the SEC with respect thereto, have been 
prepared in accordance with GAAP consistently applied (except as may be 
indicated in the notes thereto or, in the case of unaudited statements, as 
permitted by Form 10-Q of the SEC) and present fairly the consolidated 
financial position of Parent at the dates thereof and the consolidated 
results of its operations and cash flows for the periods then ended (subject, 
in the case of unaudited statements, to normal and recurring year-end 
adjustments).  There has been no change in Parent accounting policies except 
as described in the notes to the Parent Financial Statements.  Parent has 
delivered to the Company a true and complete copy of the press release to be 
issued by Parent on the date hereof with respect to, among other things, its 
results of operations for the fiscal quarter ended December 31, 1996.

     3.5  NO MATERIAL ADVERSE CHANGE.  Since the date of the balance sheet 
included in the Parent's most recently filed report on Form 10-Q or Form 
10-K, Parent has conducted its business in 


                                     A-24
<PAGE>

the ordinary course and there has not occurred:  (a) any material adverse 
change in the financial condition, liabilities, assets or business of Parent; 
(b) any amendment or change in the Certificate of Incorporation or Bylaws of 
Parent, or (c) any damage to, destruction or loss of any assets of the Parent 
(whether or not covered by insurance) that materially and adversely affects 
the financial condition or business of Parent.

     3.6  LITIGATION.  There is no action, suit, proceeding, claim, 
arbitration or investigation pending, or as to which Parent or Merger Sub has 
received any notice of assertion against Parent or Merger Sub, which in any 
manner challenges or seeks to prevent, enjoin, alter or materially delay the 
execution and delivery of this Agreement or the consummation of any of the 
transactions contem-plated by this Agreement.

     3.7  BROKERS' AND FINDERS' FEES; THIRD PARTY EXPENSES.  Except for 
amounts owed to Hambrecht & Quist LLC, the Company has not incurred, nor will 
it incur, directly or indirectly, any liability for brokerage or finders' 
fees or agents' commissions or any similar charges in connection with this 
Agreement or any transaction contemplated hereby.

                                   ARTICLE IV

                       CONDUCT PRIOR TO THE EFFECTIVE TIME

     4.1  CONDUCT OF BUSINESS OF THE COMPANY.  During the period from the 
date of this Agreement and continuing until the earlier of the termination of 
this Agreement and the Effective Time, the Company agrees (except to the 
extent that Parent shall otherwise consent in writing) to carry on its 
business in the usual, regular and ordinary course in substantially the same 
manner as heretofore conducted, to pay its debts and Taxes when due (subject 
to good faith disputes over such debts and taxes), to pay or perform other 
material obligations when due, and, to the extent consistent with such 
business, to use all reasonable efforts consistent with past practice and 
policies to preserve intact its present business organization, keep available 
the services of its present officers and key employees and preserve its 
relationships with customers, suppliers, distributors, licensors, licensees, 
and others having business dealings with it, all with the goal of preserving 
unimpaired its goodwill and ongoing businesses at the Effective Time.  The 
Company shall promptly notify Parent of any event or occurrence or emergency 
not in the ordinary course of its business, and any event materially and  
adversely affecting the Company or its business.  Except as expressly 
contemplated by this Agreement, the Company shall not, without the prior 
written consent of Parent:

          (a)  Enter into any commitment, activity or transaction not in the 
ordinary course of business.

          (b)  Transfer to any person or entity any rights to any Company 
Intellectual Property Rights (other than pursuant to End-User Licenses and to 
software vendors in the ordinary course of business);



                                     A-25
<PAGE>

          (c)  Enter into or amend any agreements pursuant to which any other 
party is granted manufacturing, marketing, distribution or similar rights of 
any type or scope with respect to any products of the Company;

          (d)  Amend or otherwise modify (or agree to do so), except in the 
ordinary course of business, or violate the terms of, any of the agreements 
set forth or described in the Company Schedules;

          (e)  Commence any litigation other than (i) for the routine 
collection of bills and (ii) in such cases where the Company in good faith 
determines that failure to commence suit would result in the material 
impairment of a valuable aspect of the Company's business, provided that the 
Company consults with Parent prior to the filing of such a suit;

          (f)  Declare, set aside or pay any dividends on or make any other 
distributions (whether in cash, stock or property) in respect of any Company 
Capital Stock, or split, combine or reclassify any of Company Capital Stock 
or issue or authorize the issuance of any other securities in respect of, in 
lieu of or in substitution for shares of Company Capital Stock, or 
repurchase, redeem or otherwise acquire, directly or indirectly, any shares 
of Company Capital Stock (or options, warrants or other rights exercisable 
therefor);

          (g)  Except for the issuance of shares of Company Capital Stock 
upon exercise of presently outstanding Company Options, issue, grant, deliver 
or sell or authorize or propose the issuance, grant, delivery or sale of, or 
purchase or propose the purchase of, any shares of Company  Capital Stock or 
securities convertible into, or subscriptions, rights, warrants or options to 
acquire, or other agreements or commitments of any character obligating it to 
issue any such shares or other convertible securities;

          (h)  Cause or permit any amendments to its Certificate of 
Incorporation or Bylaws;

          (i)  Acquire or agree to acquire by merging or consolidating with, 
or by purchasing any equity interest in or a material portion of the assets 
of, or by any other manner, any business or any corporation, partnership, 
association or other business organization or division thereof, or otherwise 
acquire or agree to acquire any assets which are material, individually or in 
the aggregate, to the business of the Company;

          (j)  Sell, lease, license or otherwise dispose of any of its 
properties or assets, except in the ordinary course of business and 
consistent with past practice;

          (k)  Incur any indebtedness for borrowed money (other than ordinary 
course trade payables or pursuant to existing credit facilities in the 
ordinary course of business) or guarantee any such indebtedness or issue or 
sell any debt securities of the Company or guarantee any debt securities of 
others;


                                     A-26
<PAGE>

          (l)  Grant any severance or termination pay to any director, 
officer, employee or consultant, except payments made pursuant to standard 
written agreements outstanding on the date hereof (which such agreements are 
disclosed on Schedule 4.1(l));

          (m)  Adopt or amend any employee benefit plan, program, policy or 
arrangement, or enter into any employment contract, extend any employment 
offer other than in the ordinary course of business and involving at-will 
employment for an annual salary of less than $75,000 (provided, however, that 
not more than five individuals are hired with respect thereto), pay or agree 
to pay any special bonus or special remuneration to any director, employee or 
consultant, or increase the salaries or wage rates of its employees;

          (n)  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 and consistent with 
past practice;

          (o)  Intentionally take any action, including the acceleration of 
vesting of any options, warrants, restricted stock or other rights to acquire 
shares of Company capital stock, which would be reasonably likely to 
interfere with Parent's ability to account for the Merger as a pooling of 
interests or to jeopardize the tax-free reorganization hereunder; 

          (p)  Pay, discharge or satisfy, in an amount in excess of $50,000, 
in any one case, or $150,000, in the aggregate, any claim, liability or 
obligation (absolute, accrued, asserted or unasserted, contingent or 
otherwise), other than the payment, discharge or satisfaction in the ordinary 
course of business of liabilities reflected or reserved against in the 
Company Financial Statements (or incurred since December 31, 1996 in the 
ordinary course of business);

          (q)  Make or change any material election in respect of Taxes, 
adopt or change any accounting method in respect of Taxes (except as set 
forth in the Company Schedules), enter into any closing agreement, settle any 
claim or assessment in respect of Taxes (except any settlement effected 
solely through payment of an immaterial amount of money), or consent to any 
extension or waiver of the limitation period applicable to any claim or 
assessment in respect of Taxes;

          (r)  Enter into any strategic alliance, joint development or joint 
marketing arrangement or agreement; 

          (s)  Fail to pay or otherwise satisfy its monetary obligations as 
they become due, except such as are being contested in good faith;

          (t)  Waive or commit to waive any rights with a value in excess of 
$10,000, in any one case, or $25,000, in the aggregate;

          (u)  Cancel, materially amend or renew any insurance policy other 
than in the ordinary course of business;



                                     A-27
<PAGE>

          (v)  Alter, or enter into any commitment to alter, its interest in 
any corporation, association, joint venture, partnership or business entity 
in which the Company directly or indirectly holds any ownership interest on 
the date hereof; or

          (w)  Take, or agree in writing or otherwise to take, any of the 
actions described in Sections 4.1(a) through (v) above, or any other action 
that would cause any of the conditions to the Merger set forth in Section 6.1 
or 6.2 not to be satisfied.

     4.2  NO SOLICITATION.  Until the earlier of the Effective Time and the 
date of termination of this Agreement pursuant to the provisions of Section 
8.1 hereof, the Company will not (nor will the Company permit any of the 
Company's officers, directors, stockholders, agents, representatives or 
affiliates to) directly or indirectly, take any of the following actions with 
any party other than Parent, Merger Sub and their designees:  (a) solicit, 
initiate, entertain, or encourage any proposals or offers from, or conduct 
discussions with or engage in negotiations with, any person relating to any 
possible acquisition of the Company (whether by way of merger, purchase of 
capital stock, purchase of assets or otherwise), any material portion of its 
capital stock or assets or any equity interest in the Company (excluding the 
exercise of Company Options), (b) provide information with respect to it to 
any person, other than Parent, relating to, or otherwise cooperate with, 
facilitate or encourage any effort or attempt by any such person with regard 
to, any possible acquisition of the Company (whether by way of merger, 
purchase of capital stock, purchase of assets or otherwise), any material 
portion of its capital stock or assets or any equity interest in the Company 
(excluding the exercise of Company Options), (c) enter into an agreement with 
any person, other than Parent, providing for the acquisition of the Company 
(whether by way of merger, purchase of capital stock, purchase of assets or 
otherwise), any material portion of its capital stock or assets or any equity 
interest in the Company (excluding the exercise of Company Options), or (d) 
make or authorize any statement, recommendation or solicitation in support of 
any possible acquisition of the Company (whether by way of merger, purchase 
of capital stock, purchase of assets or otherwise), any material portion of 
its or their capital stock or assets or any equity interest in the Company 
(excluding the exercise of Company Options) by any person, other than by 
Parent.  The Company shall immediately cease and cause to be terminated any 
such contacts or negotiations with third parties relating to any such 
transaction or proposed transaction.  In addition to the foregoing, if the 
Company receives prior to the Effective Time or the termination of this 
Agreement any offer or proposal relating to any of the above, the Company 
shall immediately notify Parent thereof, including information as to the 
identity of the offeror or the party making any such offer or proposal and 
the specific terms of such offer or proposal, as the case may be, and such 
other information related thereto as Parent may reasonably request.  Except 
as contemplated by this Agreement, disclosure by the Company of the terms 
hereof (other than the prohibition of this section or pursuant to Section 
5.5) shall be deemed to be a violation of this Section 4.2.


                                     A-28
<PAGE>

                                    ARTICLE V

                              ADDITIONAL AGREEMENTS

     5.1  REGISTRATION ON FORM S-4; PRIVATE PLACEMENT EXEMPTION; COMPANY
          STOCKHOLDER APPROVAL.

          (a)  As promptly as practicable after the execution of this 
Agreement, Parent and Company shall mutually determine whether Parent will 
issue the shares of Parent Common Stock to be issued pursuant to the Merger 
by (i) registering the offer and sale of the shares pursuant to a 
Registration Statement on Form S-4 (or such other or successor form as shall 
be appropriate) (the "REGISTRATION STATEMENT"), which shall include the 
Company's proxy statement (the "PROXY STATEMENT") as a prospectus which 
complies in form with applicable SEC requirements, or (ii) relying on an 
exemption from registration (the "PRIVATE PLACEMENT EXEMPTION") pursuant to 
Section 4(2), including Rule 506 under the Securities Act.  Such 
determination shall be based on whether the Merger must be approved by the 
stockholders of Parent pursuant to Delaware Law or the rules and regulations 
of The Nasdaq Stock Market.  Parent will rely on the Registration Statement 
process if it is determined that Parent's stockholders must approve the 
Merger, and Parent will rely on the Private Placement Exemption if it is 
determined otherwise.  Upon determining whether to file a Registration 
Statement or pursue a Private Placement Exemption, Parent shall notify the 
Company of its determination and, as promptly as practicable, prepare the 
necessary documentation to satisfy the relevant securities law requirements 
of such determination.

          (b)  In the event the Parent relies on the Registration Statement 
process, Parent shall prepare and file with the SEC the Registration 
Statement, in which the Proxy Statement will be included as a prospectus.  
Such Proxy Statement shall include the recommendation of the Board of 
Directors of the Company in favor of the Merger which shall not be withdrawn, 
modified or withheld.  The Company shall furnish to Parent all information 
concerning the Company and the holders of capital stock of the Company as may 
be reasonably requested in connection with any action contemplated by this 
Section 5.1(a).
          
          (c)  In the event that Parent relies on the Private Placement 
Exemption, Parent shall use its reasonable best efforts to file, within 20 
days following the Closing, a registration statement with the SEC covering 
the resale of such shares of Parent Common Stock.  Any such registration 
shall be subject to the terms and conditions set forth in the Declaration of 
Registration Rights attached here to as EXHIBIT F.  The certificates for 
shares of Parent Common Stock to be issued in the Merger pursuant to such 
private placement exemption, if applicable, shall bear appropriate legends to 
identify such privately placed shares as being restricted under the 
Securities Act, to comply with applicable state securities laws.  It is 
acknowledged and understood that in order for Parent to rely upon a private 
placement exemption from registration under the Securities Act, Parent will 
be required to rely upon certain representations made by each holder of the 
Company Capital Stock, including, but not limited to, representations 
regarding investment intent.



                                     A-29
<PAGE>

          (d)  As promptly as practicable after the execution of this 
Agreement and at such time as Parent may request so as not to interfere with 
Registration Statement process or the Private Placement Exemption described 
above, the Company shall submit this Agreement and the transactions 
contemplated hereby to its stockholders for approval and adoption as provided 
by Delaware Law and its Certificate of Incorporation and Bylaws.  The Company 
shall use its best efforts to convene a stockholders' meeting as promptly as 
possible for the purpose of voting upon the Merger and this Agreement.  The 
materials submitted to the Company's stockholders shall be subject to review 
and approval by Parent and include information regarding the Company, the 
terms of the Merger and this Agreement and the unanimous recommendation of 
the Board of Directors of the Company in favor of the Merger and this 
Agreement.

     5.2  ACCESS TO INFORMATION.  Each party shall afford the others and 
their accountants, counsel and other representatives, reasonable access 
during normal business hours during the period prior to the Effective Time to 
(a) all of its properties, books, contracts, commitments and records, and (b) 
all other information concerning its business, properties and personnel 
(subject to restrictions imposed by applicable law) as the others may 
reasonably request, subject, in the case of Parent, to reasonable limits on 
access to its technical and other nonpublic information.  No information or 
knowledge obtained in any investigation pursuant to this Section 5.2 shall 
affect or be deemed to modify any representation or warranty contained herein 
or the conditions to the obligations of the parties to consummate the Merger.

     5.3  CONFIDENTIALITY.  Each of the parties hereto hereby agrees to keep 
such information or knowledge obtained in any investigation pursuant to 
Section 5.2, or pursuant to the negotiation and execution of this Agreement 
or the effectuation of the transactions contemplated hereby, confidential; 
provided, however, that the foregoing shall not apply to information or 
knowledge which (a) a party can demonstrate was already lawfully in its 
possession prior to the disclosure thereof by the other party, (b) is 
generally known to the public and did not become so known through any 
violation of law, (c) became known to the public through no fault of such 
party, (d) is later lawfully acquired by such party from other sources, (e) 
is required to be disclosed by order of court or government agency with 
subpoena powers or (f) which is disclosed in the course of any litigation 
between any of the parties hereto.

     5.4  EXPENSES.  Whether or not the Merger is consummated, all fees and 
expenses incurred in connection with the Merger including, without 
limitation, all legal, accounting, financial advisory, consulting and all 
other fees and expenses of third parties ("THIRD PARTY EXPENSES") incurred by 
a party in connection with the negotiation and effectuation of the terms and 
conditions of this Agreement and the transactions contemplated hereby shall 
be the obligation of the respective party incurring such fees and expenses; 
provided, however, that at the Closing, the stockholders of the Company shall 
pay to the Company an amount equal to all fees and expenses payable to any 
financial advisor or investment bank retained by the Company on its own 
behalf or on behalf of such stockholders prior to the Effective Time.



                                     A-30
<PAGE>

     5.5  PUBLIC DISCLOSURE.  Unless otherwise required by law (including, 
without limitation, federal and state securities laws) or, as to Parent, by 
the rules and regulations of the Nasdaq Stock Market, prior to the Effective 
Time, no disclosure (whether or not in response to an inquiry) of the subject 
matter of this Agreement shall be made by any party hereto unless approved by 
Parent and the Company prior to release, provided that such approval shall 
not be unreasonably withheld.

     5.6  CONSENTS.  The Company shall use commercially reasonable efforts to 
obtain the consents, waivers and approvals under any of the Contracts as may 
be required in connection with the Merger (all of such consents, waivers and 
approvals are set forth in Company Schedules) so as to preserve all rights of 
and benefits to the Company thereunder.

     5.7  FIRPTA COMPLIANCE.  On or prior to the Closing Date, the Company 
shall deliver to Parent a properly executed statement in a form reasonably 
acceptable to Parent for purposes of satisfying Parent's obligations under 
Treasury Regulation Section 1.1445-2(c)(3).

     5.8  REASONABLE EFFORTS.  Subject to the terms and conditions provided 
in this Agreement, each of the parties hereto shall use its commercially 
reasonable efforts to ensure that its representations and warranties remain 
true and correct in all material respects, and to take promptly, or cause to 
be taken, all actions, and to do promptly, or cause to be done, all things 
necessary, proper or advisable under applicable laws and regulations to 
consummate and make effective the transactions contemplated hereby, to obtain 
all necessary waivers, consents and approvals, to effect all necessary 
registrations and filings, and to remove any injunctions or other impediments 
or delays, legal or otherwise, in order to consummate and make effective the 
transactions contemplated by this Agreement for the purpose of securing to 
the parties hereto the benefits contemplated by this Agreement; provided that 
Parent shall not be required to agree to any divestiture by Parent or the 
Company or any of Parent's subsidiaries or affiliates of shares of capital 
stock or of any business, assets or property of Parent or its subsidiaries or 
affiliates or the Company or its affiliates, or the imposition of any 
material limitation on the ability of any of them to conduct their businesses 
or to own or exercise control of such assets, properties and stock.

     5.9  NOTIFICATION OF CERTAIN MATTERS.  The Company shall give prompt 
notice to Parent, and Parent shall give prompt notice to the Company, of (i) 
the occurrence or non-occurrence of any event, the occurrence or 
non-occurrence of which is likely to cause any representation or warranty of 
the Company and Parent, respectively, contained in this Agreement to be 
untrue or inaccurate at or prior to the Effective Time and (ii) any failure 
of the Company or Parent, as the case may be, to comply with or satisfy any 
covenant, condition or agreement to be complied with or satisfied by it 
hereunder; provided, however, that the delivery of any notice pursuant to 
this Section 5.9 shall not limit or otherwise affect any remedies available 
to the party receiving such notice.

     5.10 EMPLOYEE MATTERS.  Parent shall offer, or cause the Surviving 
Corporation to offer, employment by the Surviving Corporation to each person 
as mutually agreed upon by Parent and Company prior to the Closing Date 
("Continuing Employees").  Subject to compliance with pooling-of-interest 
accounting treatment of the Merger, Parent shall take such reasonable actions 
as are 


                                     A-31
<PAGE>

necessary to allow eligible employees of the Company to participate in the 
benefit programs of Parent, or alternative benefits programs substantially 
comparable to those applicable to employees of Parent on similar terms, as 
soon as practicable after the Effective Time.  In providing such benefits or 
alternative benefits, Parent and the Surviving Corporation shall afford to 
the Continuing Employees full credit for service to the Company prior to the 
Effective Time, as if such service has been provided to Parent.  The 
Continuing Employees shall have full opportunity to participate in Parent's 
stock purchase and option plans after the Effective Time, subject to the 
standard terms of such plans.  Without limiting the foregoing, Parent will 
grant to the Continuing Employees, as promptly as practicable after the 
Effective Time, new stock options to purchase an aggregate of 200,000 shares 
of Parent Common Stock, which options shall be allocated among the Continuing 
Employees in a manner to be mutually agreed upon by the Company and Parent 
prior to the Closing Date.

     5.11 POOLING ACCOUNTING.  The Company shall each use its reasonable 
efforts to cause the business combination to be effected by the Merger to be 
accounted for as a pooling of interests.  The Company shall use its 
reasonable efforts to cause its respective employees, directors, stockholders 
and affiliates not to take any action that would adversely affect the ability 
of Parent to account for the business combination to be effected by the 
Merger as a pooling of interests.

     5.12 AFFILIATE AGREEMENTS.  Schedule 5.12 sets forth those persons who, 
in the Company's reasonable judgment, are or may be "affiliates" of the 
Company within the meaning of Rule 145 (each such person an "Affiliate") 
promulgated under the Securities Act ("Rule 145").  The Company shall provide 
Parent such information and documents as Parent shall reasonably request for 
purposes of reviewing such list.  If Parent relies on the Registration 
Statement process to issue the Parent Common Stock pursuant to the Merger, 
(a) the Company shall deliver or cause to be delivered to Parent, 
concurrently with the execution of this Agreement (and in any case prior to 
the Closing) from each of the Affiliates of the Company, an executed 
Affiliate Agreement in the form attached hereto as EXHIBIT A and (b) Parent 
shall be entitled to place appropriate legends on the certificates evidencing 
any Parent Common Stock to be received by such Affiliates pursuant to the 
terms of this Agreement, and to issue appropriate stop transfer instructions 
to the transfer agent for Parent Common Stock, consistent with the terms of 
such Affiliate Agreements.

     5.13 VOTING AGREEMENTS.  The Company shall deliver or cause to be 
delivered to Parent, concurrently with the execution of this Agreement, from 
each Affiliate, an executed Voting Agreement in the form attached hereto as 
EXHIBIT B (the "VOTING AGREEMENTS"), agreeing, among other things, to vote in 
favor of the Merger and against any competing proposals.

     5.14 ADDITIONAL DOCUMENTS AND FURTHER ASSURANCES.  Each party hereto, at 
the request of the other party hereto, shall execute and deliver such other 
instruments and do and perform such other acts and things as may be necessary 
or desirable for effecting completely the consummation of this Agreement and 
the transactions contemplated hereby.



                                     A-32
<PAGE>

     5.15 FORM S-8.  Parent shall file a registration statement on Form S-8 
for the shares of Parent Common Stock issuable with respect to assumed 
Company Options promptly after the Effective Time.

     5.16 NASDAQ NATIONAL MARKET LISTING.  Parent shall authorize for listing 
on the Nasdaq National Market the shares of Parent Common Stock issuable, and 
those required to be reserved for issuance, in connection with the Merger, 
upon official notice of issuance.

     5.17 COMPANY'S AUDITORS.  The Company will use its commercially 
reasonable efforts to cause its management and its independent auditors to 
facilitate on a timely basis (i) the preparation of financial statements 
(including pro forma financial statements if required) as required by Parent 
to comply with applicable SEC regulations, (ii) the review of the Company's 
audit work papers for up to the past three years , including the examination 
of selected interim financial statements and data, and (iii) the delivery of 
such representations from the Company's independent accountants as may be 
reasonably requested by Parent or its accountants in order for Parent's 
accountants to render the opinion called for by Section 6.3(j) hereof. 

     5.18 UPDATES OF SCHEDULES.  The Company may, from time to time after the 
date hereof but not later than five business days before the Closing Date, 
prepare and deliver to Parent updates to one or more of the Company Schedules 
disclosing any changes thereto required in respect of matters not known to 
the Company on or prior to the date hereof.  In the event the Closing does 
not occur, the initial Company Schedules shall constitute the Company 
Schedules to be used in determining any inaccuracy in, or breach of, any 
representations or warranties of the Company pursuant to Section 8.2.  In the 
event the Closing occurs, the final versions of the Company Schedules as of 
the Closing Date shall supersede the initial Company Schedules and shall 
constitute the definitive Company Schedules for all purposes of Article VIII.

                                   ARTICLE VI

                            CONDITIONS TO THE MERGER

     6.1  CONDITIONS TO OBLIGATIONS OF EACH PARTY TO EFFECT THE MERGER.  The 
respective obligations of each party to this Agreement to effect the Merger 
shall be subject to the satisfaction at or prior to the Closing of the 
following conditions:

          (a)  STOCKHOLDER APPROVAL.  This Agreement and the Merger shall 
have been approved and adopted by the stockholders of the Company and the 
Parent, if required by Delaware Law or the rules and regulations of The 
Nasdaq Stock Market, by the requisite vote under applicable law and the 
Company's and Parent's respective Certificate of Incorporation.

          (b)  GOVERNMENT APPROVALS; REGISTRATION STATEMENT EFFECTIVE.  All 
approvals of governments and governmental agencies necessary to consummate 
the transactions hereunder, including the Registration Statement being 
declared effective if  Parent relies on the Registration Statement process 


                                     A-33
<PAGE>

to issue the Parent Common Stock pursuant to the Merger, shall have been 
received.  No stop order suspending the effectiveness of the Registration 
Statement or any part thereof shall have been issued and no proceeding for 
the purpose, and no similar proceeding in respect of the Proxy Statement, 
shall have been initiated or threatened by the SEC.

          (c)  NO INJUNCTIONS OR RESTRAINTS; ILLEGALITY.  No temporary 
restraining order, preliminary or permanent injunction or other order issued 
by any court of competent jurisdiction or other legal or regulatory restraint 
or prohibition preventing the consummation of the Merger shall be in effect.

          (d)  TAX OPINIONS.  Parent and the Company shall each have received 
substantially identical written opinions from their counsel, Wilson Sonsini 
Goodrich & Rosati and Foley, Hoag & Eliot LLP, respectively, in form and 
substance reasonably satisfactory to them, to the effect that the Merger will 
constitute a reorganization within the meaning of Section 368(a) of the Code. 
The parties to this Agreement agree to make reasonable representations as 
requested by such counsel for the purpose of rendering such opinions.

          (e)  NASDAQ LISTING.  The shares of Parent Common Stock issuable to 
stockholders of the Company pursuant to this Agreement and such other shares 
required to be reserved for issuance in connection with the Merger shall have 
been authorized for listing on the Nasdaq National Market upon official 
notice of issuance.

          (f)  EMPLOYMENT AGREEMENTS.  Each of the persons listed on Schedule 
6.1(f) shall have executed and delivered to Parent an Employment Agreement in 
substantially the form of EXHIBIT C, and all of the Employment Agreements 
shall be in full force and effect.

     6.2  ADDITIONAL CONDITIONS TO OBLIGATIONS OF THE COMPANY.  The 
obligations of the Company to consummate the Merger and the transactions 
contemplated by this Agreement shall be subject to the satisfaction at or 
prior to the Closing of each of the following conditions, any of which may be 
waived, in writing, exclusively by the Company:

          (a)  REPRESENTATIONS AND WARRANTIES.  The representations and 
warranties of Parent and Merger Sub contained in this Agreement shall be true 
and correct in all material respects on and as of the Closing Date, except 
for changes contemplated by this Agreement and except for those 
representations and warranties which address matters only as of a particular 
date (which shall remain true and correct as of such date), with the same 
force and effect as if made on and as of the Closing Date, except, in all 
such cases, for such breaches, inaccuracies or omissions of such 
representations and warranties which have neither had nor reasonably would be 
expected to have a material adverse effect on the business, assets (including 
intangible assets), financial condition or results of operations of Parent; 
and the Company shall have received a certificate to such effect signed on 
behalf of Parent by a duly authorized officer of Parent.  The amendments, if 
any, to the Company Schedules pursuant to Section 5.18 shall be reasonably 
satisfactory in form and substance to Parent. 


                                     A-34
<PAGE>

          (b)  AGREEMENTS AND COVENANTS.  Parent and Merger Sub shall have 
performed or complied in all material respects with all agreements and 
covenants required by this Agreement to be performed or complied with by them 
on or prior to the Effective Time, and the Company shall have received a 
certificate to such effect signed by a duly authorized officer of Parent.

          (c)  THIRD PARTY CONSENTS.  The Company shall have been furnished 
with evidence satisfactory to it that Parent has obtained the consents, 
approvals and waivers set forth in Schedule 6.2(c).

          (d)  LEGAL OPINION.  The Company shall have received a legal 
opinion from Wilson Sonsini Goodrich & Rosati, counsel to Parent, in 
substantially the form attached hereto as EXHIBIT D.

          (e)  MATERIAL ADVERSE CHANGE.  There shall not have occurred any 
material adverse change in the business, assets (including intangible 
assets), financial condition or results of operations of Parent since the 
date of the financial statements in the SEC Documents.  For purposes of this 
condition, a decline in the trading price of Parent's Common Stock, whether 
occurring at any time or from time to time, as reported by Nasdaq or any 
other automated quotation system or exchange shall not, by itself, constitute 
a material adverse change.

          (f)  DECLARATION OF REGISTRATION RIGHTS.  If Parent relies on the 
Private Placement Exemption to issue Parent Common Stock pursuant to the 
Merger, Parent shall have adopted the Declaration of Registration Rights in 
the form attached hereto as EXHIBIT F, and such Declaration shall be in full 
force and effect in accordance with the terms thereof.

     6.3  ADDITIONAL CONDITIONS TO THE OBLIGATIONS OF PARENT AND MERGER SUB. 
The obligations of Parent and Merger Sub to consummate the Merger and the 
transactions contemplated by this Agreement shall be subject to the 
satisfaction at or prior to the Closing of each of the following conditions, 
any of which may be waived, in writing, exclusively by Parent:

          (a)  REPRESENTATIONS AND WARRANTIES.  The representations and 
warranties of the Company contained in this Agreement shall be true and 
correct in all material respects on and as of the Closing Date, except for 
changes contemplated by this Agreement and except for those representations 
and warranties which address matters only as of a particular date (which 
shall remain true and correct as of such date), with the same force and 
effect as if made on and as of the Closing Date, except, in all such cases, 
for such breaches, inaccuracies or omissions of such representations and 
warranties which have neither had nor reasonably would be expected to have a 
Material Adverse Effect on the Company or Parent; and Parent and Merger Sub 
shall have received a certificate to such effect signed on behalf of the 
Company by the chief executive officer and chief financial officer of the 
Company.  The amendments, if any, to the Company Schedules pursuant to 
Section 5.18 shall be reasonably satisfactory in form and substance to Parent.

          (b)  AGREEMENTS AND COVENANTS.  The Company shall have performed or 
complied in all material respects with all agreements and covenants required 
by this Agreement to be performed 


                                     A-35
<PAGE>

or complied with by it on or prior to the Effective Time, and Parent and 
Merger Sub shall have received a certificate to such effect signed by a duly 
authorized officer of the Company.

          (c)  THIRD PARTY CONSENTS.  Parent shall have been furnished with 
evidence satisfactory to it that the Company has obtained the consents, 
approvals and waivers set forth in Schedule 6.3(c).

          (d)  LEGAL OPINION.  Parent shall have received a legal opinion 
from Foley, Hoag & Eliot LLP, legal counsel to the Company, in substantially 
the form attached hereto as EXHIBIT E.

          (e)  AFFILIATE AGREEMENTS.  If Parent relies on the Registration 
Statement process to issue the Parent Common Stock pursuant to the Merger, 
(a) each of the parties identified by the Company as being an Affiliate of 
the Company shall have delivered to Parent an executed Affiliate Agreement 
which shall be in full force and effect.

          (f)  MATERIAL ADVERSE CHANGE.  There shall not have occurred any 
material adverse change in the business, assets (including intangible 
assets), financial condition or results of operations of the Company since 
the date of the Balance Sheet.

          (g)  CONVERSION OF PREFERRED STOCK.  All shares of Company 
Preferred Stock shall have converted into Company Common Stock in accordance 
with the Company's Certificate of Incorporation.

          (h)  AUDITED FINANCIAL STATEMENTS.  The Company shall have 
delivered to Parent the Audited Company Financials in accordance with Section 
2.5(b) of this Agreement.

          (i)  DISSENTERS' RIGHTS.  Holders of more than 10% of the 
outstanding shares of Company Capital Stock (or such lesser number of shares 
that would not jeopardize the accounting treatment of the Merger as a pooling 
of interests) shall not have exercised, nor shall they have any continued 
right to exercise, appraisal, dissenters' or similar rights under applicable 
law with respect to their shares by virtue of the Merger.

          (j)  OPINION OF ACCOUNTANTS.  Parent shall have received a letter 
from Coopers & Lybrand L.L.P. regarding such firm's concurrence with Parent 
management's conclusions as to the appropriateness of pooling of interests 
accounting for the Merger under Accounting Principles Board Opinion No. 16, 
if consummated in accordance with this Agreement.  In addition, the Company's 
accountants shall have provided a letter, satisfactory in form and substance 
to Parent, regarding the appropriateness of pooling of interests accounting 
for a transaction involving the Company.

          (k)  SECURITIES LAW COMPLIANCE.  Parent shall be able to issue the 
Parent Common Stock to be issued in connection with the Merger in compliance 
with the Securities Act and the rules and regulations thereunder.


                                     A-36
<PAGE>

                                   ARTICLE VII

               SURVIVAL OF REPRESENTATIONS AND WARRANTIES; ESCROW

     7.1  SURVIVAL OF REPRESENTATIONS AND WARRANTIES.  All of the Company's 
representations and warranties in this Agreement or in any instrument 
delivered pursuant to this Agreement (each as modified by the Company 
Schedules) shall survive the Merger and continue until 5:00 p.m., California 
time, on the date which is six months following the date of this Agreement 
(the "Expiration Date").

     7.2  ESCROW ARRANGEMENTS.

          (a)  ESCROW FUND.  At the Effective Time, the Company's 
stockholders will be deemed to have received and deposited with the Escrow 
Agent (as defined below) the Escrow Amount (plus any additional shares as may 
be issued upon any stock split, stock dividend or recapitalization effected 
by Parent after the Effective Time) without any act of any stockholder.  As 
soon as practicable after the Effective Time, the Escrow Amount, without any 
act of any stockholder, will be deposited with an institution acceptable to 
Parent and the Securityholder Agent (as defined in Section 7.2(g) below) as 
Escrow Agent (the "ESCROW AGENT"), such deposit to constitute an escrow fund 
(the "ESCROW FUND") to be governed by the terms set forth herein and at 
Parent's cost and expense. The portion of the Escrow Amount contributed on 
behalf of each stockholder of the Company shall be in proportion to the 
aggregate Parent Common Stock which such holder would otherwise be entitled 
under Section 1.6(a).  No portion of the Escrow Amount shall be contributed 
in respect of any Company Options or warrants.  The Escrow Fund shall be 
available to compensate Parent and its affiliates for any claims, losses, 
liabilities, damages, deficiencies, costs and expenses, including reasonable 
attorneys' fees and expenses, and expenses of investigation and defense 
(hereinafter individually a "LOSS" and collectively "LOSSES") incurred by 
Parent, its officers, directors, or affiliates (including the Surviving 
Corporation) directly or indirectly as a result of any inaccuracy or breach 
of a representation or warranty of the Company contained in Article II herein 
(as modified by the Company Schedules), or any failure by the Company to 
perform or comply with any covenant contained herein.  The amount of any 
Losses shall be net of (a) any amount for which reimbursement is received by 
Parent or the Surviving Corporation pursuant to insurance policies or (b) any 
Tax benefit (or decrese in Tax liabilities) attributable to such Losses.  
Parent and the Company each acknowledge that such Losses, if any, would 
relate to unresolved contingencies existing at the Effective Time, which if 
resolved at the Effective Time would have led to a reduction in the aggregate 
Merger consideration. Nothing herein shall limit the liability of the Company 
for any breach of any representation, warranty or covenant if the Merger does 
not close.  Parent may not receive any shares from the Escrow Fund unless and 
until Officer's Certificates (as defined in paragraph (d) below) identifying 
Losses, the aggregate amount of which exceed $250,000, have been delivered to 
the Escrow Agent as provided in paragraph (e); in such case, Parent may 
recover from the Escrow Fund the total of its Losses in excess of $250,000.

          (b)  ESCROW PERIOD; DISTRIBUTION UPON TERMINATION OF ESCROW 
PERIODS. Subject to the following requirements, the Escrow Fund shall be in 
existence immediately following the Effective 


                                     A-37
<PAGE>

Time and shall terminate at 5:00 p.m., California time, on the Expiration 
Date (the "ESCROW PERIOD"); provided that the Escrow Period shall not 
terminate with respect to such amount (or some portion thereof), that 
together with the aggregate amount remaining in the Escrow Fund is necessary  
in the reasonable judgment of Parent, subject to the objection of the 
Securityholder Agent and the subsequent arbitration of the matter in the 
manner provided in Section 7.2(f) hereof, to satisfy any unsatisfied claims 
concerning facts and circumstances existing prior to the termination of such 
Escrow Period specified in any Officer's Certificate delivered to the Escrow 
Agent prior to termination of such Escrow Period.  As soon as all such claims 
have been resolved, the Escrow Agent shall deliver to the stockholders of the 
Company the remaining portion of the Escrow Fund and not required to satisfy 
such claims.  Deliveries of Escrow Amounts to the stockholders of the Company 
pursuant to this Section 7.2(b) shall be made in proportion to their 
respective original contributions to the Escrow Fund.

          (c)  PROTECTION OF ESCROW FUND.  

               (i)  The Escrow Agent shall hold and safeguard the Escrow Fund 
during the Escrow Period, shall treat such fund as a trust fund in accordance 
with the terms of this Agreement and not as the property of Parent and shall 
hold and dispose of the Escrow Fund only in accordance with the terms hereof.

               (ii) Any shares of Parent Common Stock or other equity 
securities issued or distributed by Parent (including shares issued upon a 
stock split) ("NEW SHARES") in respect of Parent Common Stock in the Escrow 
Fund which have not been released from the Escrow Fund shall be added to the 
Escrow Fund and become a part thereof.  New Shares issued in respect of 
shares of Parent Common Stock which have been released from the Escrow Fund 
shall not be added to the Escrow Fund but shall be distributed to the 
recordholders thereof.  Cash dividends on Parent Common Stock shall not be 
added to the Escrow Fund but shall be distributed to the recordholders 
thereof.

               (iii)     Each stockholder shall have voting rights with 
respect to the shares of Parent Common Stock contributed to the Escrow Fund 
by such stockholder (and on any voting securities added to the Escrow Fund in 
respect of such shares of Parent Common Stock).

          (d)  CLAIMS UPON ESCROW FUND. 

               (i)  Upon receipt by the Escrow Agent at any time on or before 
the last day of the Escrow Period of a certificate signed by any officer of 
Parent (an "OFFICER'S CERTIFICATE"): (A) stating that Parent has paid or 
properly accrued or reasonably anticipates that it will have to pay or accrue 
Losses, and (B) specifying in reasonable detail the individual items of 
Losses included in the amount so stated, the date each such item was paid or 
properly accrued, or the basis for such anticipated liability, and the nature 
of the misrepresentation, breach of warranty or covenant to which such item 
is related, the Escrow Agent shall, subject to the provisions of Section 
7.2(e) hereof, deliver 


                                     A-38
<PAGE>

to Parent out of the Escrow Fund, as promptly as practicable, shares of 
Parent Common Stock held in the Escrow Fund in an amount equal to such Losses.

               (ii) For the purposes of determining the number of shares of 
Parent Common Stock to be delivered to Parent out of the Escrow Fund pursuant 
to Section 7.2(d)(i) hereof, the shares of Parent Common Stock shall be 
valued at the average of the closing prices of Parent's Common Stock on the 
principal securities exchange on which Parent's Common Stock is then traded, 
or if not so traded, the National Market System of the National Association 
of Securities Dealers Automated Quotation system, in either case as reported 
in THE WALL STREET JOURNAL for the five (5) consecutive trading days ending 
on the date that is two (2) trading days prior to the date on which such 
shares are delivered from the Escrow Fund.  Parent and the Securityholder 
Agent shall certify such fair market value in a certificate signed by both 
Parent and the Securityholder Agent, and shall deliver such certificate to 
the Escrow Agent.

          (e)  OBJECTIONS TO CLAIMS.  At the time of delivery of any 
Officer's Certificate to the Escrow Agent, a duplicate copy of such 
certificate shall be delivered to the Securityholder Agent and for a period 
of thirty (30) days after such delivery, the Escrow Agent shall make no 
delivery to Parent of any Escrow Amounts pursuant to Section 7.2(d) hereof 
unless the Escrow Agent shall have received written authorization from the 
Securityholder Agent to make such delivery.  After the expiration of such 
thirty (30) day period, the Escrow Agent shall make delivery of shares of 
Parent Common Stock from the Escrow Fund in accordance with Section 7.2(d) 
hereof, provided that no such payment or delivery may be made if the 
Securityholder Agent shall object in a written statement to the claim made in 
the Officer's Certificate, and such statement shall have been delivered to 
the Escrow Agent prior to the expiration of such thirty (30) day period.

          (f)  RESOLUTION OF CONFLICTS; ARBITRATION.

               (i)  In case the Securityholder Agent shall so object in 
writing to any claim or claims made in any Officer's Certificate, the 
Securityholder Agent and Parent shall attempt in good faith to agree upon the 
rights of the respective parties with respect to each of such claims.  If the 
Securityholder Agent and Parent should so agree, a memorandum setting forth 
such agreement shall be prepared and signed by both parties and shall be 
furnished to the Escrow Agent.  The Escrow Agent shall be entitled to rely on 
any such memorandum and distribute shares of Parent Common Stock from the 
Escrow Fund in accordance with the terms thereof.

               (ii) If no such agreement can be reached after good faith 
negotiation, either Parent or the Securityholder Agent may demand arbitration 
of the matter unless the amount of the damage or loss is at issue in pending 
litigation with a third party, in which event arbitration shall not be 
commenced until such amount is ascertained or both parties agree to 
arbitration; and in either such event the matter shall be settled by 
arbitration conducted by three arbitrators.  Parent and the Securityholder 
Agent shall each select one arbitrator, and the two arbitrators so selected 
shall select a third arbitrator. The arbitrators shall set a limited time 
period and establish procedures designed to reduce the cost and time for 
discovery while allowing the parties an opportunity, adequate in the sole 


                                     A-39
<PAGE>

judgment of the arbitrators, to discover relevant information from the 
opposing parties about the subject matter of the dispute.  The arbitrators 
shall rule upon motions to compel or limit discovery and shall have the 
authority to impose sanctions, including attorneys' fees and costs, to the 
extent as a court of competent law or equity, should the arbitrators 
determine that discovery was sought without substantial justification or that 
discovery was refused or objected to without substantial justification.  The 
decision of a majority of the three arbitrators as to the validity and amount 
of any claim in such Officer's Certificate shall be binding and conclusive 
upon the parties to this Agreement, and notwithstanding anything in Section 
7.2(e) hereof, the Escrow Agent shall be entitled to act in accordance with 
such decision and make or withhold payments out of the Escrow Fund in 
accordance therewith.  Such decision shall be written and shall be supported 
by written findings of fact and conclusions which shall set forth the award, 
judgment, decree or order awarded by the arbitrators.

               (iii)     Judgment upon any award rendered by the arbitrators 
may be entered in any court having jurisdiction.  Any such arbitration shall 
be held in Santa Clara County, California under the rules then in effect of 
the American Arbitration Association.  For purposes of this Section 7.2(f), 
in any arbitration hereunder in which any claim or the amount thereof stated 
in the Officer's Certificate is at issue, Parent shall be deemed to be the 
Non-Prevailing Party in the event that the arbitrators award Parent less than 
the sum of one-half (1/2) of the disputed amount plus any amounts not in 
dispute; otherwise, the stockholders of the Company as represented by the 
Securityholder Agent shall be deemed to be the Non-Prevailing Party.  The 
Non-Prevailing Party to an arbitration shall pay its own expenses, the fees 
of each arbitrator, the administrative costs of the arbitration and the 
expenses, including without limitation, reasonable attorneys' fees and costs, 
incurred by the other party to the arbitration.

          (g)  SECURITYHOLDER AGENT OF THE STOCKHOLDERS; POWER OF ATTORNEY.

               (i)  In the event that the Merger is approved, effective upon 
such vote, and without further act of any stockholder, Don McInnis and a 
representative of Fidelity Ventures to be appointed before the Effective Time 
shall be appointed as agents and attorneys-in-fact (collectively, the 
"SECURITYHOLDER AGENT") for each stockholder of the Company (except such 
stockholders, if any, as shall have perfected their appraisal or dissenters' 
rights under Delaware Law), for and on behalf of stockholders of the Company, 
to give and receive notices and communications, to authorize delivery to 
Parent of shares of Parent Common Stock from the Escrow Fund in satisfaction 
of claims by Parent, to object to such deliveries, to agree to, negotiate, 
enter into settlements and compromises of, and demand arbitration and comply 
with orders of courts and awards of arbitrators with respect to such claims, 
and to take all actions necessary or appropriate in the judgment of 
Securityholder Agent for the accomplishment of the foregoing.  Such agency 
may be changed by the stockholders of the Company from time to time upon not 
less than thirty (30) days prior written notice to Parent; provided that the 
Securityholder Agent may not be removed unless holders of a two-thirds 
interest of the Escrow Fund agree to such removal and to the identity of the 
substituted agent.  Any vacancy in the position of Securityholder Agent may 
be filled by approval of the holders of a majority in interest of the Escrow 
Fund.  No bond shall be required of the Securityholder Agent, and the 
Securityholder 


                                     A-40
<PAGE>

Agent shall not receive compensation for his or her services.  Notices or 
communications to or from the Securityholder Agent shall constitute notice to 
or from each of the stockholders of the Company.

               (ii) The Securityholder Agent shall not be liable for any act 
done or omitted hereunder as Securityholder Agent while acting in good faith 
and in the exercise of reasonable judgment.  The stockholders of the Company 
on whose behalf the Escrow Amount was contributed to the Escrow Fund shall 
severally indemnify the Securityholder Agent and hold the Securityholder 
Agent harmless against any loss, liability or expense incurred without 
negligence or bad faith on the part of the Securityholder Agent and arising 
out of or in connection with the acceptance or administration of the 
Securityholder Agent's duties hereunder, including the reasonable fees and 
expenses of any legal counsel retained by the Securityholder Agent.

          (h)  ACTIONS OF THE SECURITYHOLDER AGENT.  A decision, act, consent 
or instruction of the Securityholder Agent shall constitute a decision of all 
the stockholders for whom a portion of the Escrow Amount otherwise issuable 
to them are deposited in the Escrow Fund and shall be final, binding and 
conclusive upon each of such stockholders, and the Escrow Agent and Parent 
may rely upon any such decision, act, consent or instruction of the 
Securityholder Agent as being the decision, act, consent or instruction of 
each every such stockholder of the Company.  The Escrow Agent and Parent are 
hereby relieved from any liability to any person for any acts done by them in 
accordance with such decision, act, consent or instruction of the 
Securityholder Agent.

          (i)  THIRD-PARTY CLAIMS.  In the event Parent becomes aware of a 
third-party claim which Parent believes may result in a demand against the 
Escrow Fund, Parent shall notify the Securityholder Agent of such claim, and 
the Securityholder Agent, as representative for the stockholders of the 
Company, shall be entitled, at their expense, to participate in any defense 
of such claim.  Parent shall have the right in its sole discretion to settle 
any such claim; provided, however, that except with the consent of the 
Securityholder Agent, no settlement of any such claim with third-party 
claimants shall alone be determinative of the amount of any claim against the 
Escrow Fund.  In the event that the Securityholder Agent has consented to any 
such settlement, the Securityholder Agent shall have no power or authority to 
object under any provision of this Article VII to the amount of any claim by 
Parent against the Escrow Fund with respect to such settlement.

          (j)  ESCROW AGENT'S DUTIES.

               (i)  The Escrow Agent shall be obligated only for the 
performance of such duties as are specifically set forth herein, and as set 
forth in any additional written escrow instructions which the Escrow Agent 
may receive after the date of this Agreement which are signed by an officer 
of Parent and the Securityholder Agent, and may rely and shall be protected 
in relying or refraining from acting on any instrument reasonably believed to 
be genuine and to have been signed or presented by the proper party or 
parties.  The Escrow Agent shall not be liable for any act done or omitted 
hereunder as Escrow Agent while acting in good faith and in the exercise of 
reasonable judgment, and any act done or omitted pursuant to the advice of 
counsel shall be conclusive evidence of such good faith.


                                     A-41
<PAGE>

               (ii) The Escrow Agent is hereby expressly authorized to comply 
with and obey orders, judgments or decrees of any court of law, 
notwithstanding any notices, warnings or other communications from any party 
or any other person to the contrary.  In case the Escrow Agent obeys or 
complies with any such order, judgment or decree of any court, the Escrow 
Agent shall not be liable to any of the parties hereto or to any other person 
by reason of such compliance, notwithstanding any such order, judgment or 
decree being subsequently reversed, modified, annulled, set aside, vacated or 
found to have been entered without jurisdiction.

               (iii)  The Escrow Agent shall not be liable in any respect on
account of the identity, authority or rights of the parties executing or
delivering or purporting to execute or deliver this Agreement or any documents
or papers deposited or called for hereunder.

               (iv) The Escrow Agent shall not be liable for the expiration 
of any rights under any statute of limitations with respect to this Agreement 
or any documents deposited with the Escrow Agent.

               (v)  In performing any duties under the Agreement, the Escrow 
Agent shall not be liable to any party for damages, losses, or expenses, 
except for gross negligence or willful misconduct on the part of the Escrow 
Agent.  The Escrow Agent shall not incur any such liability for (A) any act 
or failure to act made or omitted in good faith, or (B) any action taken or 
omitted in reliance upon any instrument, including any written statement or 
affidavit provided for in this Agreement that the Escrow Agent shall in good 
faith believe to be genuine, nor will the Escrow Agent be liable or 
responsible for forgeries, fraud, impersonations, or determining the scope of 
any representative authority. In addition, the Escrow Agent may consult with 
the legal counsel in connection with Escrow Agent's duties under this 
Agreement and shall be fully protected in any act taken, suffered, or 
permitted by it in good faith in accordance with the advice of counsel.  The 
Escrow Agent is not responsible for determining and verifying the authority 
of any person acting or purporting to act on behalf of any party to this 
Agreement.

               (vi) If any controversy arises between the parties to this 
Agreement, or with any other party, concerning the subject matter of this 
Agreement, its terms or conditions, the Escrow Agent will not be required to 
determine the controversy or to take any action regarding it.  The Escrow 
Agent may hold all documents and shares of Parent Common Stock and may wait 
for settlement of any such controversy by final appropriate legal proceedings 
or other means as, in the Escrow Agent's discretion, the Escrow Agent may be 
required, despite what may be set forth elsewhere in this Agreement.  In such 
event, the Escrow Agent will not be liable for damage.  Furthermore, the 
Escrow Agent may at its option, file an action of interpleader requiring the 
parties to answer and litigate any claims and rights among themselves.  The 
Escrow Agent is authorized to deposit with the clerk of the court all 
documents and shares of Parent Common Stock held in escrow, except all cost, 
expenses, charges and reasonable attorney fees incurred by the Escrow Agent 
due to the interpleader action and which the parties jointly and severally 
agree to pay.  Upon initiating such action, the Escrow Agent shall be fully 
released and discharged of and from all obligations and liability imposed by 
the terms of this Agreement.


                                     A-42
<PAGE>

               (vii) The parties and their respective successors and assigns 
agree jointly and severally to indemnify and hold Escrow Agent harmless 
against any and all losses, claims, damages, liabilities, and expenses, 
including reasonable costs of investigation, counsel fees, and disbursements 
that may be imposed on Escrow Agent or incurred by Escrow Agent in connection 
with the performance of his/her duties under this Agreement, including but 
not limited to any litigation arising from this Agreement or involving its 
subject matter.

               (viii) The Escrow Agent may resign at any time upon giving at 
least thirty (30) days written notice to the parties; provided, however, that 
no such resignation shall become effective until the appointment of a 
successor escrow agent which shall be accomplished as follows:  the parties 
shall use their best efforts to mutually agree on a successor escrow agent 
within thirty (30) days after receiving such notice.  If the parties fail to 
agree upon a successor escrow agent within such time, the Escrow Agent shall 
have the right to appoint a successor escrow agent authorized to do business 
in the State of California.  The successor escrow agent shall execute and 
deliver an instrument accepting such appointment and it shall, without 
further acts, be vested with all the estates, properties, rights, powers, and 
duties of the predecessor escrow agent as if originally named as escrow 
agent.  The Escrow Agent shall be discharged from any further duties and 
liability under this Agreement.

          (k)  FEES.  All fees of the Escrow Agent for performance of its 
duties hereunder shall be paid by Parent.  It is understood that the fees and 
usual charges agreed upon for services of the Escrow Agent shall be 
considered compensation for ordinary services as contemplated by this 
Agreement.  In the event that the conditions of this Agreement are not 
promptly fulfilled, or if the Escrow Agent renders any service not provided 
for in this Agreement, or if the parties request a substantial modification 
of its terms, or if any controversy arises, or if the Escrow Agent is made a 
party to, or intervenes in, any litigation pertaining to this escrow or its 
subject matter, the Escrow Agent shall be reasonably compensated for such 
extraordinary services and reimbursed for all costs, attorney's fees, and 
expenses occasioned by such default, delay, controversy or litigation.  
Parent promises to pay these sums upon demand.

                                  ARTICLE VIII

                        TERMINATION, AMENDMENT AND WAIVER

     8.1  TERMINATION.  Except as provided in Section 8.2 below, this 
Agreement may be terminated and the Merger abandoned at any time prior to the 
Effective Time:

          (a)  by mutual written consent of the Company and Parent;

          (b)  by Parent or the Company if:  (i) the Effective Time has not 
occurred before 5:00 p.m. (Pacific time) on May 31, 1997 (provided that the 
right to terminate this Agreement under this clause 8.1(b)(i) shall not be 
available to any party whose willful failure to fulfill any obligation 


                                     A-43
<PAGE>

hereunder has been the cause of, or resulted in, the failure of the Effective 
Time to occur on or before such date); (ii) there shall be a final 
nonappealable order of a federal or state court in effect preventing 
consummation of the Merger; or (iii) there shall be any statute, rule, 
regulation or order enacted, promulgated or issued or deemed applicable to 
the Merger by any governmental entity that would make consummation of the 
Merger illegal; 

          (c)  by Parent if there shall be any action taken, or any statute, 
rule, regulation or order enacted, promulgated or issued or deemed applicable 
to the Merger, by any Governmental Entity, which would:  (i) prohibit 
Parent's or the Company's ownership or operation of all or any material 
portion of the business of the Company or (ii) compel Parent or the Company 
to dispose of or hold separate all or a material portion of the business or 
assets of the Company or Parent as a result of the Merger;

          (d)  by Parent if it is not in material breach of its obligations 
under this Agreement and there has been a breach of any representation, 
warranty, covenant or agreement contained in this Agreement on the part of 
the Company and (i) such breach has not been cured within five (5) business 
days after written notice to the Company (provided that, no cure period shall 
be required for a breach which by its nature cannot be cured), and (ii) as a 
result of such breach the conditions set forth in Section 6.3(a) or 6.3(b), 
as the case may be, would not then be satisfied;

          (e)  by the Company if it is not in material breach of its 
obligations under this Agreement and there has been a breach of any 
representation, warranty, covenant or agreement contained in this Agreement 
on the part of Parent or Merger Sub and (i) such breach has not been cured 
within five (5) business days after written notice to Parent (provided that, 
no cure period shall be required for a breach which by its nature cannot be 
cured), and (ii) as a result of such breach the conditions set forth in 
Section 6.2(a) or 6.2(b), as the case may be, would not then be satisfied.

Where action is taken to terminate this Agreement pursuant to this Section 
8.1, it shall be sufficient for such action to be authorized by the Board of 
Directors (as applicable) of the party taking such action.

     8.2  EFFECT OF TERMINATION.  In the event of termination of this 
Agreement as provided in Section 8.1, this Agreement shall forthwith become 
void and there shall be no liability or obligation on the part of Parent, 
Merger Sub or the Company, or their respective officers, directors or 
stockholders, provided that each party shall remain liable for any breaches 
of this Agreement prior to its termination; and provided further that, the 
provisions of Sections 5.3 and 5.4 and Article VIII of this Agreement shall 
remain in full force and effect and survive any termination of this Agreement.

     8.3  AMENDMENT.  Except as is otherwise required by applicable law after 
the stockholders of the Company approve this Agreement, this Agreement may be 
amended by the parties hereto at any time by execution of an instrument in 
writing signed on behalf of each of the parties hereto.


                                     A-44
<PAGE>

     8.4  EXTENSION; WAIVER.  At any time prior to the Effective Time, Parent 
and Merger Sub, on the one hand, and the Company, on the other, may, to the 
extent legally allowed, (i) extend the time for the performance of any of the 
obligations of the other party hereto, (ii) waive any inaccuracies in the 
representations and warranties made to such party contained herein or in any 
document delivered pursuant hereto, and (iii) waive compliance with any of 
the agreements or conditions for the benefit of such party contained herein.  
Any agreement on the part of a party hereto to any such extension or waiver 
shall be valid only if set forth in an instrument in writing signed on behalf 
of such party.

                                   ARTICLE IX

                               GENERAL PROVISIONS

     9.1  NOTICES.  All notices and other communications hereunder shall be 
in writing and shall be deemed given if delivered personally or by commercial 
delivery service, or mailed by registered or certified mail (return receipt 
requested) or sent via facsimile (with acknowledgment of complete 
transmission) to the parties at the following addresses (or at such other 
address for a party as shall be specified by like notice):

          (a)  if to Parent or Merger Sub, to:

               Quickturn Design Systems, Inc.
               440 Clyde Avenue
               Mountain View, CA  94043
               Attention:  Keith R. Lobo
               Telephone No.:  (415) 967-3300
               Facsimile No.:  (415) 694-6505

               with a copy to:

               Wilson Sonsini Goodrich & Rosati, P.C.
               650 Page Mill Road
               Palo Alto, California 94304-1050
               Attention:  Herbert P. Fockler, Esq.
               Telephone No.:  (415) 493-9300
               Facsimile No.:  (415) 493-6811



                                     A-45
<PAGE>

          (b)  if to the Company, to:

               SpeedSim, Inc.
               11 School Street 
               North Chelmsford, Massachusetts  01863
               Attention: Don McInnis
               Telephone No.:  (508) 251-3377
               Facsimile No.:  (508) 251-4004

               with a copy to:

               Foley, Hoag & Eliot LLP
               One Post Office Square
               Boston, Massachusetts  02109
               Attention:  John D. Patterson, Jr.
               Telephone No.:  (617) 832-1000
               Facsimile No.:  (617) 832-7000

          (c)  if to the Securityholder Agent:

               Don McInnis
               East Corporation
               11 School Street 
               North Chelmsford, Massachusetts  01863
               Telephone No.:  (508) 251-3377
               Facsimile No.:  (508) 251-4004

     9.2  INTERPRETATION.  The words "include," "includes" and "including" 
when used herein shall be deemed in each case to be followed by the words 
"without limitation."  The table of contents and headings contained in this 
Agreement are for reference purposes only and shall not affect in any way the 
meaning or interpretation of this Agreement.

     9.3  COUNTERPARTS.  This Agreement may be executed in one or more 
counterparts, all of which shall be considered one and the same agreement and 
shall become effective when one or more counterparts have been signed by each 
of the parties and delivered to the other party, it being understood that all 
parties need not sign the same counterpart.

     9.4  ENTIRE AGREEMENT; ASSIGNMENT.  This Agreement, the Schedules and 
Exhibits hereto, and the documents and instruments and other agreements among 
the parties hereto referenced herein:  (a) constitute the entire agreement 
among the parties with respect to the subject matter hereof and supersede all 
prior agreements and understandings, both written and oral, among the parties 
with respect to the subject matter hereof; (b) are not intended to confer 
upon any other person any rights or remedies hereunder; and (c) shall not be 
assigned by operation of law or otherwise except as 


                                     A-46
<PAGE>

otherwise specifically provided, except that Parent and Merger Sub may assign 
their respective rights and delegate their respective obligations hereunder 
to their respective affiliates.

     9.5  SEVERABILITY.  In the event that any provision of this Agreement or 
the application thereof, becomes or is declared by a court of competent 
jurisdiction to be illegal, void or unenforceable, the remainder of this 
Agreement will continue in full force and effect and the application of such 
provision to other persons or circumstances will be interpreted so as 
reasonably to effect the intent of the parties hereto.  The parties further 
agree to replace such void or unenforceable provision of this Agreement with 
a valid and enforceable provision that will achieve, to the extent possible, 
the economic, business and other purposes of such void or unenforceable 
provision.

     9.6  OTHER REMEDIES.  Except as otherwise provided herein, any and all 
remedies herein expressly conferred upon a party will be deemed cumulative 
with and not exclusive of any other remedy conferred hereby, or by law or 
equity upon such party, and the exercise by a party of any one remedy will 
not preclude the exercise of any other remedy.

     9.7  GOVERNING LAW.  This Agreement shall be governed by and construed 
in accordance with the laws of the State of California, regardless of the 
laws that might otherwise govern under applicable principles of conflicts of 
laws thereof. Each of the parties hereto agrees that process may be served 
upon them in any manner authorized by the laws of the State of California for 
such persons and waives and covenants not to assert or plead any objection 
which they might otherwise have to such jurisdiction and such process.

     9.8  RULES OF CONSTRUCTION.  The parties hereto agree that they have 
been represented by counsel during the negotiation and execution of this 
Agreement and, therefore, waive the application of any law, regulation, 
holding or rule of construction providing that ambiguities in an agreement or 
other document will be construed against the party drafting such agreement or 
document.

     9.9  SPECIFIC PERFORMANCE.  The parties hereto agree that irreparable 
damage would occur in the event that any of the provisions of this Agreement 
were not performed in accordance with their specific terms or were otherwise 
breached.  It is accordingly agreed that the parties shall be entitled to an 
injunction or injunctions to prevent breaches of this Agreement and to 
enforce specifically the terms and provisions hereof in any court of the 
United States or any state having jurisdiction, this being in addition to any 
other remedy to which they are entitled at law or in equity.


                                     A-47
<PAGE>

     IN WITNESS WHEREOF, Parent, Merger Sub, Company and the Securityholder 
Agent (as to Articles VII and IX), and have caused this Agreement to be 
signed by their duly authorized respective officers, all as of the date first 
written above.

QUICKTURN DESIGN SYSTEMS, INC.     SPEEDSIM, INC.



By /S/ KEITH LOBO                       By /S/ DON MCINNIS               
   --------------------------------        ---------------------------------
   Name:   Keith Lobo                      Name:   Don McInnis
   Title:  President                       Title:  President



SECURITYHOLDER AGENT:              QT CORPORATION



 /S/ DON MCINNIS                        By /S/ KEITH LOBO 
- -----------------------------------        ---------------------------------
Name:  Don McInnis                         Name:   Keith Lobo   
                                           Title:  President


(to be executed by Fidelity Investors Limited Partnership
 representative before the Closing Date)


/S/ JOHN REMONDI                               
- ----------------------------------- 
Name:  John Remondi




                       ***REORGANIZATION AGREEMENT***




                                    A-48

<PAGE>

                                   EXHIBIT 2.2

                              CERTIFICATE OF MERGER
                                        
                                     MERGING

                                 QT CORPORATION

                                  WITH AND INTO

                                 SPEEDSIM, INC.

                        ________________________________

           Pursuant to Section 251 of the General Corporation Law of 
                              the State of Delaware
                        ________________________________

     SpeedSim, Inc., a Delaware corporation ("SpeedSim"), DOES HEREBY CERTIFY 
AS FOLLOWS:

     FIRST:  That SpeedSim was incorporated on February 1, 1995, pursuant to 
the Delaware General Corporation Law (the "Delaware Law"), and QT 
Corporation. ("QT") was incorporated on January 10, 1997 pursuant to the 
Delaware Law.

     SECOND:  That an Agreement and Plan of Reorganization (the 
"Reorganization Agreement"), dated as of January 16, 1997, among Quickturn 
Design Systems, Inc., a Delaware corporation, SpeedSim and QT, setting forth 
the terms and conditions of the merger of QT with and into SpeedSim (the 
"Merger"), has been approved, adopted, certified, executed and acknowledged 
by each of the constituent corporations in accordance with the requirements 
of Section 251 of the Delaware Law.

     THIRD:  That the surviving corporation (the "Surviving Corporation") 
shall be SpeedSim, which shall retain the name "SpeedSim, Inc."

     FOURTH: That pursuant to the Reorganization Agreement, the Certificate 
of Incorporation of SpeedSim, Inc. shall be amended on the date of the Merger 
to read in its entirety as set forth on EXHIBIT A attached hereto.

From and after the effective time of the Merger, the Certificate of 
Incorporation of SpeedSim, as so amended, shall continue to be the 
Certificate of Incorporation of the surviving corporation, until amended as 
provided by law. 


                                    B-1
<PAGE>

      FIFTH:  That an executed copy of the Reorganization Agreement is on 
file at the principal place of business of the Surviving Corporation at the 
following address:

                    11 School Street
                    North Chelmsford, Massachusetts 01863

     SIXTH:  That a copy of the Reorganization Agreement will be furnished by 
the Surviving Corporation, on request and without cost, to any stockholder of 
any constituent corporation.

     SEVENTH:  That the Merger shall become effective upon the filing of this 
Certificate of Merger with the Secretary of State of the State of Delaware.

     IN WITNESS WHEREOF, SpeedSim has caused this Certificate of Merger to be 
executed in its corporate name as of the 7th day of February 1997.

                         SPEEDSIM, INC.



                         By: /s/ Donald McInnis          
                             ----------------------------------------------
                             Donald McInnis
                             President



                                    B-2
<PAGE>


                                    EXHIBIT A

                          CERTIFICATE OF INCORPORATION
                                       OF
                                 SPEEDSIM, INC.

                                        

                                   ARTICLE 1.

          The name of the corporation is SpeedSim, Inc. (the "Corporation").

                                   ARTICLE 2.

          The address of the Corporation's registered office in the State of 
Delaware is Corporation Trust Center, 1209 Orange Street, Wilmington, County 
of New Castle.  The name of its registered agent at such address is The 
Corporation Trust Company.

                                   ARTICLE 3.

          The nature of the business or purposes to be conducted or promoted 
by the Corporation is to engage in any lawful act or activity for which 
corporations may be organized under the General Corporation Law of Delaware.

                                   ARTICLE 4.

          The total number of shares of stock which the corporation shall 
have authority to issue is Ten Thousand (10,000) and the par value of each of 
such shares is One Cent ($.01) amounting in the aggregate to One Hundred 
Dollars ($100.00).

                                   ARTICLE 5.

          The board of directors is authorized to make, alter or repeal the 
by-laws of the corporation.  Election of directors need not be by written 
ballot.

                                   ARTICLE 6.

          A director of the corporation shall not be personally liable to the 
corporation or its stockholders for monetary damages for breach of fiduciary 
duty as a director except for liability (i) for any breach of the director's 
duty of loyalty to the corporation or its stockholders, (ii) for acts or 
omissions not in good faith or which involve intentional misconduct or a 
knowing violation of law, (iii) under Section 174 of the Delaware General 
Corporation Law, or (iv) for any transaction from which the director derived 
any improper personal benefit.


                                    B-3
<PAGE>


                                   ARTICLE 7.

          The Corporation shall indemnify its officers, directors, employees 
and agents to the extent permitted by the General Corporation Law of 
Delaware. 


                                    B-4



<PAGE>

                                EXHIBIT 20.1


Quickturn Design Systems, Inc. Reports Results for 1996 


Revenue Increases 28%, Operating Income Increases 39% 

MOUNTAIN VIEW, CA - January 16, 1997 - Quickturn Design Systems, Inc. 
(NASDAQ: QKTN) today announced that for the year ended December 31, 1996, 
revenue was $104.4 million, an increase of 28% over 1995 revenue of $81.8 
million. Operating income was $16.3 million, an increase of 39% over the 
operating income of $11.7 million in 1995. Net income was $12.6 million or 
$0.83 per share, compared to net income of $13.1 million or $0.90 per share 
in 1995. 

Both the 1996 results and the results for the fourth quarter of 1996 include 
a net year-to-date tax benefit of $542,000 or $0.03 per share comprised of a 
one time recognition of deferred tax assets. Both the 1995 results and the 
results for the fourth quarter of 1995 include a net year-to-date tax benefit 
of $3.7 million or $0.26 per share comprised of a one time recognition of 
deferred tax assets of $6.0 million or $0.41 per share offset by an increased 
tax expense of $2.3 million or $0.15 per share. 

Fourth quarter revenue of $28.8 million was up 25% over revenue of $23.0 
million in the comparable period of 1995 and up 6% over the previous quarter 
of $27.2 million. Operating income was $4.8 million, an increase of 33% over 
the operating income of $3.6 million in the fourth quarter of 1995 and 
compared to operating income of $4.2 million in the third quarter of 1996. 
Net income was $4.1 million or $0.26 per share, compared to $6.6 million or 
$0.45 per share in the fourth quarter of 1995 and an increase of 29% over the 
net income of $3.2 million or $0.21 per share in the third quarter of 1996. 

"Quickturn surpassed the $100 million threshold for the first time in the 
fiscal year just ended," said Keith Lobo, president and CEO of Quickturn. 
"This is a significant achievement in the electronic design automation (EDA) 
business, and a milestone of which we are all very proud. Looking forward, we 
intend to build on this success by continuing to offer solutions for our 
customers to deal with their most complex and difficult design verification 
problems." 

For the second year in a row, Quickturn has been named to the Technology 
"Fast 50" list, honoring the fastest growing technology companies in the 
Silicon Valley. The list sponsors - Deloitte and Touche LLP, NASDAQ and Joint 
Venture: Silicon Valley - name public and private technology-based companies 
to the list according to revenue growth in the preceding five years. 

Quickturn Design Systems, Inc. is the industry pioneer in reprogrammable 
emulation products for system-level design verification. The company's 
products create a "virtual silicon(TM)" representation of an electronic 
design to permit concurrent verification of ASICs and full-custom ICs with 
system 


                                   C-1
<PAGE>

hardware and software. Quickturn's customers include the leading electronics 
companies in the high-performance computing, multimedia, graphics, and 
communications markets. Quickturn's verification solutions enable these 
companies to improve design quality, lower overall development cost, and 
shorten time to market. Quickturn Design Systems, Inc. is headquartered at 
440 Clyde Avenue, Mountain View, CA 94043, telephone 415-967-3300. For more 
information, send e-mail to [email protected] or visit the Quickturn website 
at www.quickturn.com. 

                                   ###

Quickturn and virtual silicon are trademarks of Quickturn Design Systems, Inc.

                         QUICKTURN DESIGN SYSTEMS, Inc.
                  Condensed Consolidated Statements of Income
                  (amounts in thousands except per share data)

<TABLE>
<CAPTION>
                                        Three Months Ended            Year Ended
                                             December 31,             December 31,
                                       ----------------------     -------------------
                                          1996*        1995**       1996*     1995**
                                       ----------   ----------    --------   --------
                                       (unaudited)  (unaudited)
<S>                                    <C>          <C>           <C>        <C>
Revenue                                  $28,786      $23,000     $104,370   $81,800
Cost of Revenue                            8,934        7,012       32,383    25,082
                                        --------      -------     --------   -------
     Gross Profit                         19,852       15,988       71,987    56,718

Operating expenses:
     Research and development              5,226        4,152       18,548    14,864
     Sales and marketing                   8,069        7,004       30,694    25,439
     General and administrative            1,751        1,216        6,476     4,681
                                        --------      -------     --------   -------
          Total operating expenses        15,046       12,372       55,718    44,984

Operating income                           4,806        3,616       16,269    11,734

Other income, net                            505          192        1,785       737
                                        --------      -------     --------   -------
     Net income before provision
        for (benefit from) income taxes    5,311        3,808       18,054    12,471

Provision for (benefit from) income 
  taxes                                    1,216       (2,778)       5,415      (612)
                                        --------      -------     --------   -------
     Net income                          $ 4,095      $ 6,586      $12,639   $13,083
                                        --------      -------     --------   -------
                                        --------      -------     --------   -------

Net income per share                     $  0.26      $  0.45      $  0.83   $  0.90
                                        --------      -------     --------   -------
                                        --------      -------     --------   -------
Shares used in per share calculations     15,583       14,735       15,204    14,605
                                        --------      -------     --------   -------
                                        --------      -------     --------   -------

</TABLE>

*    The 1996 results include a net year-to-date tax benefit of $542,000 or
     $0.03 per share.
**   The 1995 results include a net year-to-date-tax benefit of $3.7 million 
     or $0.26 per share.



                                    C-2

<PAGE>

                         QUICKTURN DESIGN SYSTEMS, Inc.
                      Condensed Consolidated Balance Sheets
                             (amounts in thousands)

<TABLE>
<CAPTION>
                                               December 31,   December 31,
                                                   1996*          1995*
                                               ------------   ------------
<S>                                            <C>            <C>
ASSETS
  Current assets
     Cash and marketable securities               $34,225        $31,397
     Accounts receivable, net                      21,537         20,706
     Inventories                                   10,141          7,805
     Prepaid expenses and other current assets      8,369          7,285
                                                 --------       --------
         Total current assets                      74,272         67,193

  Marketable securities                            18,198          9,110
  Fixed assets, net                                11,032         13,003
  Other assets                                      5,351          3,478
                                                 --------       --------
                                                 $108,853       $ 92,784
                                                 --------       --------
                                                 --------       --------
LIABILITIES
  Current liabilities
     Current portion of long-term debt             $3,502         $3,401
     Accounts payable and accrued liabilities      15,414         16,716
     Deferred revenue                               8,151          3,538
                                                 --------       --------
         Total current liabilities                 27,067         23,655

  Long-term debt                                        0          3,502
                                                 --------       --------
                                                   27,067         27,157

STOCKHOLDERS' EQUITY
  Stockholders' equity                             81,786         65,627
                                                 --------       --------
                                                 $108,853       $ 92,784
                                                 --------       --------
                                                 --------       --------
</TABLE>

*Derived from audited financial statements



                                     C-3



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