MASTERING INC
8-K, 1998-02-20
BUSINESS SERVICES, NEC
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                       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 18, 1998.

                                 MASTERING, INC.
             (Exact name of registrant as specified in its charter)



         Delaware              0-28004                           84-1320277
(State or other jurisdiction   (Commission File Number)        (IRS Employer 
      of incorporation)                                      Identification No.)

          9201 East Mountain View Road
          Suite 200
          Scottsdale, Arizona                                  85258
          (Address of principal executive offices)           (Zip Code)


Registrant's telephone number, including area code:  602-657-4000
<PAGE>
Item 5.           Other Events.
                  -------------

                  On February 18, 1998, Mastering,  Inc. (the "Company") entered
into an  Agreement  and Plan of  Merger  (the  "Merger  Agreement")  dated as of
February 18, 1998 among Platinum technology,  inc. ("Platinum"),  PT Acquisition
Corporation I, a wholly owned subsidiary of Platinum  ("Sub"),  and the Company,
providing for the merger (the  "Merger") of Sub with and into the Company,  with
the Company  being the  surviving  corporation  in the  Merger.  Pursuant to the
Merger Agreement, and subject to the terms and conditions thereof, each share of
the Company's common stock will be converted into .448 shares of common stock of
Platinum. The press release relating to the transaction and the Merger Agreement
are attached hereto as exhibits and are incorporated herein by this reference.


Item 7.           Financial Statements, Pro Forma
                  -------------------------------
                    Financial Information and Exhibits.
                    -----------------------------------

                           (c)  Exhibits

                           The exhibits  accompanying  this report are listed in
                  the accompanying Exhibit Index.
                                       -2-
<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.

                                        MASTERING, INC.
                                        (Registrant)


                                        By:  /s/ Marc Pinto
                                             ---------------------------------
                                               Executive Vice President and
                                                 Chief Financial Officer


Date:  February 19, 1998
                                       -3-
<PAGE>
                                  EXHIBIT INDEX
                                  -------------


         The following exhibits are filed herewith as noted below.


         Exhibit No.                        Exhibit
         -----------                        -------

            2(a)               Agreement  and  Plan  of  Merger,   dated  as  of
                               February 18,  1998,  among  Platinum  technology,
                               inc., PT Acquisition Corporation I and Mastering,
                               Inc.

            20(a)              Press Release dated February 18, 1998

                          AGREEMENT AND PLAN OF MERGER



                                      among



                           PLATINUM technology, inc.,

                          PT ACQUISITION CORPORATION I



                                       and



                                 MASTERING, INC.



                          Dated as of February 18, 1998
<PAGE>

                                TABLE OF CONTENTS


1.       THE MERGER.........................................................  1
         1.1  The Merger....................................................  1
         1.2   Effective Time...............................................  1
         1.3   Effect of the Merger.........................................  2
         1.4   Name; Certificate of Incorporation; Bylaws...................  2
         1.5   Directors and Officers.......................................  2
         1.6   Effect on Capital Stock......................................  2
         1.7   No Dissenters' Rights........................................  3
         1.8   Surrender of Certificates....................................  4
         1.9   No Further Ownership Rights in Company Capital Stock.........  5
         1.10   Lost, Stolen or Destroyed Certificates......................  5
         1.11   Tax and Accounting Consequences.............................  6
         1.12   Taking of Necessary Action; Further Action..................  6

2.       REPRESENTATIONS AND WARRANTIES OF THE COMPANY......................  6
         2.1   Organization of the Company..................................  6
         2.2   Company Capital Structure....................................  6
         2.3   Obligations With Respect to Capital Stock....................  7
         2.4   Authority; No Conflicts......................................  8
         2.5   SEC Filings; Company Financial Statements....................  9
         2.6   Absence of Certain Changes of Events......................... 10
                  .......................................................... 10
         2.7   Liabilities.................................................. 10
         2.8   Taxes........................................................ 10
         2.9   Restrictions on Business Activities.......................... 12
         2.10   Absence of Liens and Encumbrances........................... 12
         2.11   Intellectual Property....................................... 13
         2.12   Agreements, Contracts and Commitments....................... 15
         2.13   No Default.................................................. 16
         2.14   Governmental Authorization.................................. 16
         2.15   Litigation.................................................. 17
         2.16   Insurance................................................... 17
         2.17   Labor Matters............................................... 17
         2.18   Employee Benefits........................................... 18
         2.19   Relationships with Related Persons.......................... 19
         2.20   State "Anti-Takeover" Statutes.............................. 20
         2.21   Pooling of Interests........................................ 20
         2.22   Change of Control Payments.................................. 20
         2.23   Registration Statements; Proxy Statements/Prospectus........ 20
         2.24   Board Approval.............................................. 21
         2.25   Fairness Opinion............................................ 21
         2.26   Brokers' and Finders' Fees.................................. 21

3.       REPRESENTATIONS AND WARRANTIES OF PARENT AND
                  MERGER SUB................................................ 21
         3.1   Organization of Parent....................................... 21
         3.2   Absence of Certain Changes of Events......................... 21
                                       (i)
<PAGE>
         3.3   Capital Structure............................................ 22
         3.4   Authority; No Conflict....................................... 24
         3.5   SEC Filings; Parent Financial Statements..................... 24
         3.6   Pooling of Interests......................................... 25
         3.7   Registration Statement; Proxy Statement/Prospectus........... 25
         3.8   Board Approval............................................... 26
         3.9   Fairness Opinion............................................. 26
         3.10   Brokers' and Finders' Fees.................................. 26
         3.12   Employee Benefits........................................... 26
         3.14   Taxes....................................................... 27
         3.15   Intellectual Property....................................... 28
         3.16   Governmental Authorization.................................. 28
         3.17   Litigation.................................................. 28

4.       CONDUCT PRIOR TO THE EFFECTIVE TIME................................ 28
         4.1   Conduct of Business of the Company........................... 28
         4.2   Conduct by Parent............................................ 31

5.       ADDITIONAL AGREEMENTS.............................................. 31
         5.1   Proxy Statement/Prospectus; Registration Statement........... 31
         5.2   Meeting of Stockholders...................................... 32
         5.3   Access to Information; Confidentiality....................... 32
         5.4   No Solicitation.............................................. 32
         5.5   Expenses..................................................... 34
         5.6   Break-Up Fee................................................. 34
         5.7   Public Disclosure............................................ 35
         5.8   Pooling Accounting........................................... 35
         5.9   Auditors' Letters............................................ 35
         5.10   Affiliate Agreements........................................ 36
         5.11   Legal Requirements.......................................... 36
         5.12   Blue Sky Laws............................................... 36
         5.13   Reasonable Commercial Efforts and Further Assurances........ 36
         5.14   Certain Benefit Plans....................................... 37
         5.15   Tax-Free Reorganization..................................... 38
         5.16   Nasdaq Listing.............................................. 38
         5.17   Indemnification............................................. 38
         5.18   Notification................................................ 38
         5.19   Company Stock Options; Employee Stock Purchase Plan......... 38

6.       CONDITIONS TO THE MERGER........................................... 39
         6.1   Conditions to Obligations of Each Party to Effect the Merger. 39
         6.2   Additional Conditions to Obligations of The Company.......... 40
         6.3   Additional Conditions to Obligations of Parent and Merger Sub 42

7.       TERMINATION, AMENDMENT AND WAIVER.................................. 46
         7.1   Termination.................................................. 46
         7.2   Effect of Termination........................................ 47
         7.3   Notice of Termination........................................ 48
                                      (ii)
<PAGE>
         7.4   Amendment.................................................... 48
         7.5   Extension; Waiver............................................ 48

8.       GENERAL PROVISIONS................................................. 48
         8.1   Non-Survival of Representations and Warranties............... 48
         8.2   Notices...................................................... 48
         8.3   Interpretation............................................... 49
         8.4   Counterparts................................................. 50
         8.5   Entire Agreement............................................. 50
         8.6   Severability................................................. 50
         8.7   Other Remedies............................................... 50
         8.8   Governing Law................................................ 50
         8.9   Rules of Construction........................................ 50
         8.10   Assignment.................................................. 50
                                      (iii)
<PAGE>
                            GLOSSARY OF DEFINED TERMS



"Acquiring Persons".................................................Section 2.2

"Acquisition Proposal"..............................................Section 5.4

"Affiliates".......................................................Section 5.10

"Agreement"........................................................Introduction

"Certificate of Merger".............................................Section 1.2

"Certificates"......................................................Section 1.8

"Clarification Agreements"..........................................Section 6.3

"Closing"...........................................................Section 1.2

"Closing Date"......................................................Section 1.2

"Code"................................................................Recital D

"Commercial Software"..............................................Section 2.11

"Company"..........................................................Introduction

"Company Affiliate Agreement"......................................Section 5.10

"Company Affiliate Agreements".....................................Section 5.10

"Company Balance Sheet".............................................Section 2.5

"Company Capital Stock".............................................Section 1.6

"Company Employees"................................................Section 5.14

"Company Ex-U.S. Pension Plan".....................................Section 2.18

"Company Financials"................................................Section 2.5

"Company Intellectual Property Rights".............................Section 2.11

"Company Permits"..................................................Section 2.14

"Company Plan".....................................................Section 2.18

"Company Preferred Stock"...........................................Section 2.2
                                      (iv)
<PAGE>
                            GLOSSARY OF DEFINED TERMS

"Company Right".....................................................Section 2.2

"Company Rights Agreement"..........................................Section 2.2

"Company Schedules"...................................................Section 2

"Company SEC Reports"...............................................Section 2.5

"Company Stock Option".............................................Section 5.19

"Company Stock Option Plan.........................................Section 5.19

"Company Stockholders' Meeting"....................................Section 2.23

"Confidentiality Agreements"........................................Section 5.3

"Conversion Shares".................................................Section 1.6

"Company December 31st Financials"..................................Section 2.5

"Delaware Law"......................................................Section 1.1

"Effective Time"....................................................Section 1.2

"End-User Licenses"................................................Section 2.11

"ERISA"............................................................Section 2.18

"ERISA Affiliate"..................................................Section 2.18

"Exchange Act"......................................................Section 2.4

"Exchange Agent"....................................................Section 1.8

"Exchange Ratio"....................................................Section 1.6

"Expenses"..........................................................Section 5.5

"Family"...........................................................Section 2.19

"Governmental Entity"...............................................Section 2.4

"HSR Act"...........................................................Section 2.4

"Material Adverse Effect"..................................Sections 2.6 and 3.2

"Material Contract"................................................Section 2.12
                                       (v)
<PAGE>
                            GLOSSARY OF DEFINED TERMS

"Merger"..............................................................Recital A

"Merger Sub".......................................................Introduction

"Millennial Dates".................................................Section 2.11

"Notes".............................................................Section 3.3

"Parent"...........................................................Introduction

"Parent Affiliate Agreement".......................................Section 5.10

"Parent Balance Sheet"..............................................Section 3.5

"Parent Common Stock"...............................................Section 1.6

"Parent December 31st Financials"...................................Section 3.5

"Parent Financials".................................................Section 3.5

"Parent Intellectual Property Rights"..............................Section 3.15

"Parent Permits"...................................................Section 3.16

"Parent Plan"......................................................Section 3.12

"Parent-Provided Plans"............................................Section 5.14

"Parent Rights".....................................................Section 3.3

"Parent Rights Agreement"...........................................Section 3.3

"Parent Schedules"....................................................Section 3

"Parent SEC Reports"................................................Section 3.5

"Piper Engagement Letter"..........................................Section 2.26

"Proxy Statement"..................................................Section 2.23

"Qualifying Subsequent Parent Acquisition"..........................Section 6.2

"Registration Statement"............................................Section 3.7

"Related Persons"..................................................Section 2.19

"Returns"...........................................................Section 2.8
                                      (vi)
<PAGE>
                            GLOSSARY OF DEFINED TERMS

"Rule 145".........................................................Section 5.10

"Securities Act"....................................................Section 2.4

"Series B Stock"....................................................Section 2.2

"Severance Obligations".............................................Section 6.3

"Share Value".......................................................Section 1.6

"Significant Tax Agreement".........................................Section 2.8

"Stock Option Plans"...............................................Section 5.19

"Substitute Option"................................................Section 5.19

"Superior Proposal".................................................Section 5.4

"Surviving Corporation".............................................Section 1.1

"Tax"...............................................................Section 2.8
                                      (vii)
<PAGE>
                          AGREEMENT AND PLAN OF MERGER

         This  Agreement  and  Plan of  Merger  (this  "Agreement")  is made and
entered into as of February 18, 1998 among PLATINUM technology, inc., a Delaware
corporation ("Parent"), PT Acquisition Corporation I, a Delaware corporation and
wholly-owned  subsidiary  of Parent  ("Merger  Sub"),  and  Mastering,  Inc.,  a
Delaware corporation (the "Company").

                                    RECITALS

         A. The Board of Directors of each of the Company, Parent and Merger Sub
believes that it is in the best  interests of each company and their  respective
stockholders  that the  Company  and Merger Sub  combine  into a single  company
through the 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,  the outstanding shares
of Common Stock of the Company shall be converted into shares of Common Stock of
Parent at the rate determined herein.

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

         D. The parties intend, by executing this Agreement,  to adopt a plan of
reorganization within the meaning of Section 368 of the Internal Revenue Code of
1986, as amended (the "Code").

         E. The parties  intend that the Merger shall be recorded for accounting
purposes as a pooling of interests.

         NOW,  THEREFORE,  in  consideration  of  the  covenants,  promises  and
representations set forth herein, and for other good and valuable consideration,
the receipt and sufficiency of which are hereby acknowledged,  the parties agree
as follows:

         1. 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 General  Corporation  Law of the State of Delaware
("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.  The Company as 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
parties  hereto  shall  cause  the  Merger  to  be  consummated  by  filing  the
Certificate of Merger of Merger Sub and the Company substantially in the form of
Exhibit A attached hereto (the "Certificate of Merger")
<PAGE>
with the  Secretary of State of the State of Delaware,  in  accordance  with the
relevant  provisions  of  Delaware  Law  (the  time of  such  filing  being  the
"Effective Time") as soon as practicable on or after the Closing Date (as herein
defined).  The  closing of the Merger  (the  "Closing")  shall take place at the
offices of Parent at a time and date to be specified by the parties, which shall
be no later than the second  business day after the  satisfaction  or waiver (if
permissible)  of the  conditions set forth in Article VI, or at such other time,
date and location as the parties hereto agree (the "Closing Date").

         1.3 EFFECT OF THE  MERGER.  At the  Effective  Time,  the effect of the
Merger shall be as provided in this Agreement and 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 NAME; CERTIFICATE OF INCORPORATION; BYLAWS.

                  (a) The name of the Surviving  Corporation  will be Mastering,
         Inc.

                  (b) At the Effective Time, the Certificate of Incorporation of
         the  Company   shall  be  restated  in  its  entirety  and  shall  read
         substantially  in the form set forth on Exhibit A to the Certificate of
         Merger.

                  (c) 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 directors of Merger Sub shall be the
initial  directors  of  the  Surviving   Corporation,   until  their  respective
successors are duly elected or appointed and  qualified.  The officers of Merger
Sub shall be the initial  officers  of the  Surviving  Corporation,  until their
respective successors are duly elected or appointed and qualified.

         1.6 EFFECT ON CAPITAL  STOCK.  At the Effective  Time, by virtue of the
Merger and  without  any action on the part of Merger  Sub,  the  Company or the
holders of any of the following securities:

                  (a)  Conversion  of  Company  Capital  Stock.  Subject  to the
         provisions of  subsections  (d) and (e) of this Section 1.6, each share
         of  Common  Stock,  par value  $.001 per  share,  of the  Company  (the
         "Company  Capital Stock") issued and outstanding  immediately  prior to
         the Effective  Time (other than any shares of Company  Capital Stock to
         be canceled pursuant to Section 1.6(b)) will be converted automatically
         into .448 shares (the  "Conversion  Shares") of Common Stock, par value
         $0.001 per share, of Parent (the "Parent Common Stock").  All shares of
         Company Capital Stock,  when converted,  shall no longer be outstanding
         and shall  automatically  be canceled  and retired and each holder
                                       2
<PAGE>
         of a certificate  representing  any such shares shall cease to have any
         rights  with  respect  thereto,  except  the right to  receive  (a) any
         dividends and other  distributions  in accordance  with Section 1.8(d),
         (b)  certificates  representing  the shares of Parent Common Stock into
         which such shares are converted and (c) any cash, without interest,  in
         lieu of  fractional  shares  to be  issued  or  paid  in  consideration
         therefor upon the  surrender of such  certificates  in accordance  with
         Section  1.6(e).  The ratio of  Conversion  Shares per share of Company
         Capital  Stock is sometimes  hereinafter  referred to as the  "Exchange
         Ratio."

                  (b) Cancellation of Parent-Owned  Stock. Each share of Company
         Capital Stock owned by the Company,  Merger Sub, Parent,  or any direct
         or indirect  subsidiary  of Parent or the  Company,  including  without
         limitation,  any shares of Company Capital Stock held as treasury stock
         of the Company or any direct or  indirect  subsidiary  of the  Company,
         immediately   prior  to  the  Effective  Time  shall  be  canceled  and
         extinguished without any conversion thereof.

                  (c) Capital  Stock of Merger Sub.  Each share of Common Stock,
         par  value  $.01 per  share,  of  Merger  Sub  issued  and  outstanding
         immediately  prior to the  Effective  Time shall be converted  into and
         exchanged  for one (1)  validly  issued,  fully paid and  nonassessable
         share of Common  Stock,  par value  $.01 per  share,  of the  Surviving
         Corporation.  Each stock certificate of Merger Sub evidencing ownership
         of any such shares shall continue to evidence  ownership of such shares
         of capital stock of the Surviving Corporation.

                  (d)  Adjustments  to the Exchange  Ratio.  In the event of any
         reclassification,  stock split or stock dividend with respect to Parent
         Common  Stock,  any change or  conversion  of Parent  Common Stock into
         other securities or any other dividend or distribution  with respect to
         Parent  Common  Stock (or if a record  date with  respect to any of the
         foregoing  should occur) prior to the Effective  Time,  appropriate and
         proportionate adjustments, if any, shall be made to the Exchange Ratio,
         and all  references to the Exchange  Ratio in this  Agreement  shall be
         deemed to be to the Exchange Ratio as so adjusted.

                  (e) Fractional Shares. No fraction of a share of Parent Common
         Stock will be issued by virtue of the Merger,  but in lieu thereof each
         holder of shares  of  Company  Capital  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 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  Share  Value  as of the  Effective  Time.  For
         purposes of this Agreement,  the "Share Value" means, as of any date of
         determination,  the average of the closing (last) prices for a share of
         Parent  Common  Stock,  as reported on the Nasdaq  National  Market (as
         reported in The Wall Street  Journal,  Midwest  Edition),  for the most
         recent ten (10) days that the shares of Parent Common Stock have traded
         ending  on  the  trading  day   immediately   prior  to  such  date  of
         determination.
                                       3
<PAGE>
         1.7 NO DISSENTERS'  RIGHTS.  Holders of shares of Company Capital Stock
who  dissent  from the  Merger are not  entitled  to rights of  appraisal  under
Section 262 of the Delaware Law by virtue of Sections  262(b)(1)  and (2) of the
Delaware Law.

         1.8   SURRENDER OF CERTIFICATES.

                  (a)  Exchange  Agent.  The Harris Trust and Savings  Bank,  or
         another   similar   institution   selected  by  Parent  and  reasonably
         acceptable  to  the  Company,  shall  act as the  exchange  agent  (the
         "Exchange Agent") in the Merger.

                  (b)  Parent  to  Provide  Common  Stock.  Promptly  after  the
         Effective  Time,  Parent shall make available to the Exchange Agent for
         exchange in  accordance  with this Article I,  through such  reasonable
         procedures  as Parent may  adopt,  the  shares of Parent  Common  Stock
         issuable pursuant to Section 1.6 in exchange for outstanding  shares of
         Company Capital Stock, and cash in an amount  sufficient for payment in
         lieu of fractional shares pursuant to Section 1.6(e).

                  (c) Exchange  Procedures.  Promptly after the Effective  Time,
         the Exchange Agent shall cause to be mailed to 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 whose shares were  converted into shares of Parent Common
         Stock pursuant to Section 1.6, (i) a letter of transmittal (which shall
         specify that delivery shall be effected,  and risk of loss and title to
         the Certificates  shall pass, only upon delivery of the Certificates to
         the Exchange  Agent and shall be in such  customary  form and have such
         other   provisions   as  Parent  may   reasonably   specify)  and  (ii)
         instructions  for use in effecting the surrender of the Certificates in
         exchange for certificates  representing  shares of Parent Common Stock.
         Upon surrender of a Certificate for  cancellation to the Exchange Agent
         or to such  other  agent  or  agents  as may be  appointed  by  Parent,
         together with such letter of  transmittal,  duly  completed and validly
         executed in accordance  with the  instructions  thereto,  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 into which the shares represented by the surrendered  Certificate
         shall  have been  converted  at the  Effective  Time  pursuant  to this
         Article I, payment in lieu of  fractional  shares which such holder has
         the right to receive pursuant to Section 1.6 and certain  dividends and
         other   distributions  in  accordance  with  Section  1.8(d),  and  the
         Certificate  so  surrendered  shall  forthwith  be  canceled.  Until so
         surrendered,  each outstanding certificate that, prior to the Effective
         Time,  represented a share of Company Capital Stock will be deemed from
         and after the Effective  Time, for all corporate  purposes,  other than
         the  payment of  dividends  or other  distributions,  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.

                  (d)  Distributions  With  Respect to  Unexchanged  Shares.  No
         dividends  or other  distributions  declared  or made after the date of
         this  Agreement  with respect to Parent Common Stock with a record date
         after  the   Effective   Time  will  be  paid  to  the  holder  of  any
                                       4
<PAGE>
         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: (i)
         at the time of such surrender or as promptly as practicable thereafter,
         the amount of any  dividends or other  distributions  theretofore  paid
         with respect to the shares of Parent Common Stock  represented  by such
         new certificate and having a record date on or after the Effective Time
         and a payment  date prior to such  surrender;  (ii) at the  appropriate
         payment date or as promptly as  practicable  thereafter,  the amount of
         any  dividends  or other  distributions  payable  with  respect to such
         shares of Parent  Common Stock and having a record date on or after the
         Effective  Time but prior to such  surrender  and a payment  date on or
         subsequent to such  surrender;  and (iii) at the time of such surrender
         or as  promptly  as  practicable  thereafter,  the  amount  of any cash
         payable with respect to a  fractional  share of Parent  Common Stock to
         which such holder is entitled pursuant to Section 1.6(e).

                  (e) 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  exchange  will have (i)
         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 (ii)  established  to the
         satisfaction of Parent or any agent  designated by it that such tax has
         been paid or is not payable.

                  (f) No Liability.  Notwithstanding anything to the contrary in
         this Section 1.8, none of the Exchange Agent, the Surviving Corporation
         or any  party  hereto  shall be  liable to a holder of shares of Parent
         Common Stock or Company Capital Stock for any amount properly paid to a
         public official pursuant to any applicable abandoned property,  escheat
         or similar law.

         1.9 NO FURTHER OWNERSHIP RIGHTS IN COMPANY CAPITAL 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 Exchange  Agent shall issue in exchange for such lost,
stolen or destroyed  certificates,  upon the making of an affidavit of that fact
by the holder thereof,  such shares of Parent Common Stock,  cash for fractional
shares,  if any, as may be required pursuant to Section 1.6 and any dividends
                                       5
<PAGE>
or other  distributions  to which the holders  thereof are entitled  pursuant to
Section 1.8(d);  provided,  however, that Parent may, in its discretion and as a
condition  precedent  to the issuance  thereof,  require the owner of such lost,
stolen or destroyed  certificates  to deliver a customary bond in such sum as it
may  reasonably  direct as indemnity  against any claim that may be made against
Parent,  the  Surviving  Corporation  or the Exchange  Agent 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 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
Surviving  Corporation are fully  authorized in the name of and on behalf of the
Company and Merger Sub to take,  and will take,  all such  lawful and  necessary
action, so long as such action is consistent with this Agreement.

         2. REPRESENTATIONS AND WARRANTIES OF THE COMPANY

         The Company  represents and warrants to Parent and Merger Sub,  subject
to the exceptions  disclosed in writing in the disclosure letter supplied by the
Company to Parent (the "Company Schedules") which identifies the Section numbers
hereof  to  which  the  disclosures  pertain  and  which is dated as of the date
hereof, as set forth below.

         2.1  ORGANIZATION  OF  THE  COMPANY.   Each  of  the  Company  and  its
subsidiaries  is a  corporation  duly  organized,  validly  existing and in good
standing  under  the  laws of the  jurisdiction  of its  incorporation,  has the
corporate  power and  authority  to own,  lease and operate its  property and to
carry on its  business  as now  being  conducted,  and is duly  qualified  to do
business and in good standing as a foreign  corporation in each  jurisdiction in
which such  qualification  is required by virtue of the nature of the activities
conducted by it, except to the extent that the failure to be so qualified and in
good standing could not reasonably be expected to have,  individually  or in the
aggregate,  a Material  Adverse Effect on the Company (as hereinafter  defined).
The Company  Schedules  contain a true and complete list of all of the Company's
subsidiaries as of the date hereof and the jurisdiction of incorporation of each
subsidiary.  The  Company  owns,  directly  or  indirectly  through  one or more
subsidiaries,  100% of the capital stock of each of its  subsidiaries  and there
are no securities  exchangeable into or exercisable for any capital stock of any
such  subsidiary  issued,  reserved for issuance or  outstanding.  Except as set
forth in the Company Schedules,  the Company does not directly or indirectly own
any  equity  or  similar  interest  in,  or any  interest  convertible  into  or
exchangeable or exercisable for any interest in, any  corporation,  partnership,
joint venture or other business association or entity. The Company has delivered
or made  available  to  Parent a true and  correct  copy of the  Certificate  of
Incorporation  and Bylaws of the Company and similar  governing  instruments  of
each of its subsidiaries, each as amended to the date hereof.
                                       6
<PAGE>
         2.2 COMPANY  CAPITAL  STRUCTURE.  The  authorized  capital stock of the
Company consists of 30,000,000 shares of Common Stock, $.001 par value, of which
there were  13,738,832  shares issued and outstanding as of the date hereof plus
any shares issued on the date hereof upon exercise of options outstanding on the
date hereof and 2,000,000 shares of Preferred  Stock,  $.001 par value ("Company
Preferred  Stock"),  of which  300,000  shares have been  designated as Series B
Participating  Preferred  Stock  ("Series  B Stock").  No shares of the  Company
Preferred  Stock are issued and outstanding as of the date hereof and there will
be no such shares  outstanding as of the Effective Time. The registered  holders
of Company Capital Stock have the right (a "Company Right") to purchase from the
Company  shares  of Series B Stock.  The  description  and terms of the  Company
Rights are set forth in a Rights  Agreement  (the  "Company  Rights  Agreement")
between the Company and Harris Trust and Savings Bank,  as Rights Agent,  a true
and correct copy of which has been delivered to Parent.  On or prior to the date
hereof,  the Board of  Directors  of the  Company  amended  the  Company  Rights
Agreement to provide that the Parent and Merger Sub are not "Acquiring  Persons"
as defined in the  Company  Rights  Agreement  with  respect to their  rights to
acquire Company Capital Stock pursuant to this Agreement. All outstanding shares
of Company Capital Stock are duly  authorized,  validly  issued,  fully paid and
non-assessable and are not subject to preemptive rights created by statute,  the
Certificate  of  Incorporation  or Bylaws of the  Company  or any  agreement  or
document to which the Company is a party or by which it is bound. As of the date
hereof,  the Company had reserved 5,515,624 shares of Company Capital Stock, net
of  exercises,  for issuance to employees  pursuant to the Company  Stock Option
Plans,  under which  options are  outstanding  for  4,783,397  shares of Company
Capital  Stock minus any options  exercised  on the date  hereof.  All shares of
Company  Capital Stock  subject to issuance as  aforesaid,  upon issuance on the
terms and  conditions  specified in the  instruments  pursuant to which they are
issuable,   shall  be  duly   authorized,   validly   issued,   fully  paid  and
nonassessable.  The Company Schedules include a list for each outstanding option
as of the date  hereof,  of the  following:  (i) the name of the  holder of such
option, (ii) the number of shares subject to such option, and (iii) the exercise
price of such option. No repricing of options has taken place since December 31,
1995. For the offering period ending March 31, 1998 if all current  participants
continue to contribute at current  levels  (assuming the purchase  price of such
shares to be 85% of the fair market  value of the Company  Capital  Stock on the
first day of the  current  offering  period),  there  would be an  aggregate  of
approximately  10,055 shares issuable pursuant to the Stock Purchase Plan and no
more than 11,000 shares are issuable for such offering  period.  Since  December
31,  1996,  there have been no changes in the capital  structure  of the Company
other than  issuances of Company  Capital Stock (i) upon the exercise of options
granted  under the Company  Stock  Option  Plans and (ii)  pursuant to the Stock
Purchase Plan.

         2.3 OBLIGATIONS  WITH RESPECT TO CAPITAL STOCK.  Except as set forth in
Section 2.2 hereof,  there are no equity securities of any class of the Company,
or any security  exchangeable  into or exercisable  for such equity  securities,
issued, reserved for issuance or outstanding.  Except for securities the Company
owns,  directly or  indirectly  through one or more  subsidiaries,  there are no
equity securities of any class of any subsidiary of the Company, or any security
exchangeable into or exercisable for such equity  securities,  issued,  reserved
for issuance or outstanding.  Except as set forth in Section 2.2 hereof,  except
for the vesting of options  under the Company  Stock Option Plans in  connection
with a change in  control,  except  for  rights to  purchase  shares of Series B
Preferred  Stock  pursuant to the Company  Rights  Agreement all of which rights
shall expire at the Effective  Time,  and except for  obligations of the Company
under the Stock
                                       7
<PAGE>
Purchase Plan, there are no options, warrants, equity securities, calls, rights,
commitments  or  agreements  of any character to which the Company or any of its
subsidiaries is a party or by which it is bound obligating the Company or any of
its subsidiaries to issue, deliver or sell, or cause to be issued,  delivered or
sold,  additional  shares  of  capital  stock  of  the  Company  or  any  of its
subsidiaries  or  obligating  the Company or any of its  subsidiaries  to grant,
extend, accelerate the vesting of or enter into any such option, warrant, equity
security, call, right, commitment or agreement. To the knowledge of the Company,
there are no voting trusts,  proxies or other agreements or understandings  with
respect to the shares of capital stock of the Company.  No existing  rights with
respect to the  registration  under the  Securities Act of 1933, as amended (the
"Securities  Act"),  of shares of  Company  Capital  Stock,  including,  but not
limited to, demand rights or piggy-back  registration  rights,  shall apply with
respect to any shares of Parent  Common Stock  issuable in  connection  with the
Merger.

         2.4   AUTHORITY; NO CONFLICTS.

                  (a)  The  Company  has  all  requisite   corporate  power  and
         authority  to enter  into this  Agreement  and,  subject  to  obtaining
         requisite   stockholder   approval,   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 the
         Company,  subject only to the approval of the Merger by the vote of the
         holders of at least a majority  of the  Company  Capital  Stock  voting
         together  as one  class.  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 as enforceability may be limited by bankruptcy and other similar
         laws and general principles of equity.

                  (b)  Except  as  set  forth  in  the  Company  Schedules,  the
         execution  and delivery of this  Agreement by the Company does not, and
         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,  as amended,  or Bylaws,  as amended,  of the Company or
         similar  governing  instruments of any of its  subsidiaries or (ii) any
         mortgage,  indenture,  lease,  contract or other agreement to which the
         Company or any of its  subsidiaries  is a party or by which the Company
         or any of its  subsidiaries  or the assets of the Company or any of its
         subsidiaries  is  bound,  except  for  any  such  conflict,  violation,
         default,  right or loss which could not reasonably be expected to have,
         individually  or in the  aggregate,  a Material  Adverse  Effect on the
         Company, or (iii) any permit, concession, franchise, license, judgment,
         order, decree,  statute, law, ordinance,  rule or regulation applicable
         to the Company, any of its subsidiaries or their respective  properties
         or assets, except for any such conflict,  violation,  default, right or
         loss which could not reasonably be expected to have, individually or in
         the aggregate, a Material Adverse Effect on the Company.

                  (c) Except as set forth in the Company Schedules,  no consent,
         approval,  order or authorization  of, or registration,  declaration or
         filing with,  any court,  administrative  agency or commission or other
         governmental authority or instrumentality  ("Governmental  
                                       8
<PAGE>
         Entity"),  is required by or with  respect to the Company or any of its
         subsidiaries  in  connection  with the  execution  and delivery of this
         Agreement or the consummation of the transactions  contemplated hereby,
         except (i) in connection, or in compliance,  with the provisions of the
         Hart-Scott-Rodino  Antitrust  Improvement Act of 1976, as amended ("HSR
         Act"),  the Securities Act and the Securities  Exchange Act of 1934, as
         amended (the  "Exchange  Act"),  (ii) the filing of the  Certificate of
         Merger with the Delaware  Secretary of State and appropriate  documents
         with the relevant  authorities  of other states in which the Company or
         any of its  subsidiaries is qualified to do business,  (iii) applicable
         requirements, if any, of The Nasdaq National Market and (iv) such other
         consents,    approvals,    orders,    authorizations,    registrations,
         declarations  and filings,  the failure of which to be obtained or made
         could  not  reasonably  be  expected  to have,  individually  or in the
         aggregate, a Material Adverse Effect on the Company.

         2.5   SEC FILINGS; COMPANY FINANCIAL STATEMENTS.

                  (a) The  Company has filed all forms,  reports  and  documents
         required  to be filed  with the SEC  since  March  31,  1996.  All such
         required  forms,  reports and  documents  are referred to herein as the
         "Company SEC Reports." As of their  respective  dates,  the Company SEC
         Reports (i) complied in all material  respects with the requirements of
         the  Securities  Act or the  Exchange  Act, as the case may be, and the
         rules and regulations of the SEC thereunder  applicable to such Company
         SEC  Reports,  and (ii)  did not at the time  they  were  filed  (or if
         amended or superseded by a filing prior to the date of this  Agreement,
         then on the date of such  filing)  contain  any untrue  statement  of a
         material  fact or omit to state a material  fact  required to be stated
         therein or necessary in order to make the  statements  therein,  in the
         light of the circumstances  under which they were made, not misleading.
         None of the  Company's  subsidiaries  is  required  to file any  forms,
         reports or other documents with the SEC.

                  (b) Except as set forth in the Company Schedules,  each of the
         consolidated financial statements (including, in each case, any related
         notes  thereto)  contained  in the Company SEC  Reports  (the  "Company
         Financials"),  including  any Company SEC Reports  filed after the date
         hereof until the Closing, and the consolidated  unaudited balance sheet
         of the Company  and its  subsidiaries  as of December  31, 1997 and the
         consolidated  unaudited  statement of  operations  for the twelve month
         period then ended,  true and correct  copies of which were delivered to
         the  Parent  prior to the  date  hereof  (the  "Company  December  31st
         Financials"),  (x) complies or complied, as the case may be, as to form
         in all material  respects with the published  rules and  regulations of
         the SEC with respect thereto, (y) was prepared (or will be prepared, as
         the case  may be) in  accordance  with  generally  accepted  accounting
         principles  applied  on  a  consistent  basis  throughout  the  periods
         involved  (except as may be indicated  therein or in the notes thereto)
         and (z) fairly  presented (or will fairly present,  as the case may be)
         in all material  respects the  consolidated  financial  position of the
         Company and its subsidiaries as at the respective dates thereof and the
         consolidated  results of its  operations and cash flows for the periods
         indicated,  except  that  the  unaudited  financial  statements  do not
         include  footnote  disclosure  of  the  type  associated  with  audited
         financial   statements  and  (other  than  the  Company  December  31st
         Financials)  were or are  subject  to  normal  and  recurring  year-end
                                       9
<PAGE>
         adjustments  and  to  any  other  adjustments  described  therein.  The
         consolidated   unaudited   balance   sheet  of  the   Company  and  its
         subsidiaries  included  in the  Company  December  31st  Financials  is
         hereinafter referred to as the "Company Balance Sheet."

                  (c) As of the date hereof, there are no material amendments or
         modifications  to  agreements,  documents  or other  instruments  which
         previously  had been filed by the Company  with the SEC pursuant to the
         Securities  Act or the Exchange Act, which have not yet been filed with
         the SEC but which are required to be filed.

         2.6 ABSENCE OF CERTAIN  CHANGES OF EVENTS.  Except as  described in the
Company  SEC Reports  filed  prior to the date hereof or the Company  Schedules,
since the date of the Company Balance Sheet,  except with respect to the actions
contemplated by this  Agreement,  each of the Company and its  subsidiaries  has
conducted  its business only in the ordinary  course and in a manner  consistent
with past  practice  and,  since such date,  there has not been (i) any Material
Adverse  Effect on the  Company  or any  development  that could  reasonably  be
expected  to have a Material  Adverse  Effect on the  Company;  (ii) any damage,
destruction  or loss (whether or not covered by insurance) on the Company or any
of its  subsidiaries  that has had or could  reasonably  be  expected  to have a
Material Adverse Effect on the Company; (iii) any material change by the Company
or any of its subsidiaries in its accounting  methods,  principles or practices;
(iv) any material  revaluation by the Company or any of its  subsidiaries of any
of its  assets,  including,  without  limitation,  writing  down  the  value  of
capitalized software or inventory or deferred tax assets or writing off notes or
accounts receivable other than in the ordinary course of business; (v) any labor
dispute or charge of unfair labor practice,  which could  reasonably be expected
to have,  individually  or in the  aggregate,  a Material  Adverse Effect on the
Company,  or, to the  knowledge of the Company,  any activity or proceeding by a
labor union or representative thereof to organize any employee of the Company or
any of its subsidiaries or any campaign being conducted to solicit authorization
from  employees to be  represented  by such labor union;  (vi) any waiver by the
Company or any of its subsidiaries of any rights of material value; or (vii) any
other  action or event  that  would  have  required  the  consent  of the Parent
pursuant to Section 4.1 had such action or event occurred after the date of this
Agreement.  In this  Agreement,  the  term  "Material  Adverse  Effect"  used in
reference to the Company or any of its subsidiaries  means any event,  change or
effect  materially  adverse to the  financial  condition,  assets,  liabilities,
results of operations or business of the Company and its subsidiaries,  taken as
a whole, other than changes resulting solely from changes in general economic or
computer industry conditions.

         2.7  LIABILITIES.  Except (a) for liabilities  incurred in the ordinary
course of business consistent with past practice,  (b) for transaction  expenses
incurred in connection with this Agreement, (c) for liabilities set forth on the
balance sheet included in the Company  December 31st  Financials,  or (d) as set
forth in the Company Schedules, since December 31, 1997, neither the Company nor
any of its  subsidiaries  has incurred any  material  liabilities  that would be
required to be reflected or reserved against in a consolidated  balance sheet of
the Company and its subsidiaries  prepared in accordance with generally accepted
accounting  principles as applied in preparing the consolidated balance sheet of
the  Company and its  subsidiaries  as of December  31,  1997  contained  in the
Company December 31st Financials.
                                       10
<PAGE>
         2.8   TAXES.

                  (a) Definition of Taxes.  For the purposes of this  Agreement,
         "Tax" or  "Taxes"  refers  to 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  including  any  liability  for taxes of a
         predecessor entity. For purposes of this Agreement,  a "Significant Tax
         Agreement" is any  agreement to which the Company or any  subsidiary of
         the Company is a party under which the Company or such subsidiary could
         reasonably  be  expected  to be  liable to  another  party  under  such
         agreement in an amount in excess of $10,000 in respect of Taxes payable
         by such other party to any taxing authority.

                  (b) Tax Returns and Audits. Except as set forth in the Company
         Schedules:

                             (i) The  Company and each of its  subsidiaries  has
                  timely filed all federal,  state,  local and foreign  returns,
                  information   statements   and   reports   relating  to  Taxes
                  ("Returns")  required by applicable Tax law to be filed by the
                  Company  and  each of its  subsidiaries,  except  for any such
                  failures  to file that could not  reasonably  be  expected  to
                  have,  individually  or in the aggregate,  a Material  Adverse
                  Effect on the Company. All Taxes owed by the Company or any of
                  its  subsidiaries  to a taxing  authority,  or for  which  the
                  Company or any of its  subsidiaries  is  liable,  whether to a
                  taxing  authority  or to other  persons  or  entities  under a
                  Significant  Tax Agreement,  as of the date hereof,  have been
                  paid and,  as of the  Effective  Time,  will  have been  paid,
                  except for any such  failure to pay that could not  reasonably
                  be  expected  to have,  individually  or in the  aggregate,  a
                  Material  Adverse Effect on the Company.  The Company has made
                  (A)  accruals for Taxes on the Company  Balance  Sheet and (B)
                  with respect to periods after the date of the Company  Balance
                  Sheet,  provisions on a periodic  basis  consistent  with past
                  practice on the  Company's or one of its  subsidiaries'  books
                  and records or  financial  statements,  in each case which are
                  adequate to cover any Tax liability of the Company and each of
                  its  subsidiaries  determined  in  accordance  with  generally
                  accepted accounting principles through the date of the Company
                  Balance  Sheet or the date of the  provision,  as the case may
                  be, except where  failures to make such accruals or provisions
                  could not reasonably be expected to have,  individually  or in
                  the aggregate, a Material Adverse Effect on the Company.

                            (ii) Except to the extent  that any such  failure to
                  withhold   could  not   reasonably   be   expected   to  have,
                  individually or in the aggregate, a Material Adverse Effect on
                  the  Company,  the Company and each of its  subsidiaries  have
                  withheld  with respect to its  employees all federal and state
                  income  taxes,  FICA,  FUTA and  other  Taxes  required  to be
                  withheld.
                                       11
<PAGE>
                           (iii)  There  is  no  Tax   deficiency   outstanding,
                  proposed  or  assessed  against  the  Company  or  any  of its
                  subsidiaries,  except any such deficiency that, if paid, could
                  not  reasonably  be expected to have,  individually  or in the
                  aggregate,  a Material Adverse Effect on the Company.  Neither
                  the Company nor any of its subsidiaries  executed or requested
                  any waiver of any statute of  limitations  on or extending the
                  period for the  assessment  or  collection  of any  federal or
                  material state Tax.

                            (iv)  No   federal  or  state  Tax  audit  or  other
                  examination  of the  Company  or any  of its  subsidiaries  is
                  presently  in  progress,  nor  has the  Company  or any of its
                  subsidiaries  been notified in writing of any request for such
                  federal  or  material  state Tax  audit or other  examination,
                  except  in all  cases for Tax  audits  and other  examinations
                  which could not  reasonably be expected to have,  individually
                  or in the aggregate, a Material Adverse Effect on the Company.

                             (v) Neither the Company nor any of its subsidiaries
                  has 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.

                            (vi) Neither the Company nor any of its subsidiaries
                  is a party to (A) any  agreement  with a party  other than the
                  Company  or  any  of  its   subsidiaries   providing  for  the
                  allocation  or payment of Tax  liabilities  or payment for Tax
                  benefits with respect to a  consolidated,  combined or unitary
                  Return  which  Return  includes or included the Company or any
                  subsidiary or (B) any Significant Tax Agreement other than any
                  Significant Tax Agreement described in (A).

                           (vii)  Except for the group of which the  Company and
                  its  subsidiaries  are  now  presently  members,  neither  the
                  Company nor any of its  subsidiaries has ever been a member of
                  an  affiliated  group of  corporations  within the  meaning of
                  Sections 1504 of the Code.

                           (viii)   Neither   the   Company   nor   any  of  its
                  subsidiaries has agreed to make nor is it required to make any
                  adjustment  under  Section  481(a)  of the Code by reason of a
                  change in accounting  method or otherwise  provided,  however,
                  that the  Company  is  required  to make an  adjustment  under
                  Section  481(a) of the Code by reason of change in  accounting
                  method related to the  acquisition of Graphic Media,  Inc. and
                  the change in its accounting method from cash to accrual,  and
                  the full  amount  of the  adjustment  (which  will not  exceed
                  $400,000 of taxable  income) will be recognized by the Company
                  on its timely  filed  federal and state income tax returns for
                  the tax year ended December 31, 1997.

                            (ix)  The  Company  is not,  and has not at any time
                  been,  a "United  States Real  Property  Holding  Corporation"
                  within the meaning of Section 897(c)(2) of the Code.
                                       12
<PAGE>
         2.9  RESTRICTIONS  ON BUSINESS  ACTIVITIES.  Except as set forth in the
Company Schedules, there is no agreement,  judgment, injunction, order or decree
binding upon the Company or its  subsidiaries  or their  properties  (including,
without limitation, their intellectual properties) which has or could reasonably
be  expected  to have the effect of  prohibiting  or  materially  impairing  any
material  acquisition of property by the Company or any of its  subsidiaries  or
the conduct of the business by the Company or any of its subsidiaries, including
any exclusive distribution or licensing agreements.

         2.10  ABSENCE OF LIENS AND  ENCUMBRANCES.  Each of the  Company and its
subsidiaries has good, valid, and marketable title to, or, in the case of leased
properties and assets,  valid leasehold  interests in, all of its properties and
assets (whether real,  personal or mixed,  and whether  tangible or intangible),
necessary  for the  conduct  of its  business,  free and  clear of any liens and
encumbrances,  except (i) as reflected in the Company  December 31st Financials,
(ii)  liens  for  Taxes  not yet due and  payable,  and  (iii)  such  liens  and
encumbrances  that could not reasonably be expected to have,  individually or in
the aggregate, a Material Adverse Effect on the Company.

         2.11   INTELLECTUAL PROPERTY.

                  (a) Except as disclosed in the Company Schedules,  the Company
         or its  subsidiaries  owns,  or is  licensed,  or  otherwise  possesses
         legally enforceable rights, to use, sell or license, as applicable, all
         patents,  trademarks,  trade names, service marks, copyrights,  and any
         applications  therefor,   maskworks,   schematics,   technology,  trade
         secrets,  know-how,  computer  software (in both source code and object
         code form),  and  tangible or  intangible  proprietary  information  or
         material  (excluding  in each  case  Commercial  Software  (as  defined
         below))  that  are  material  to the  business  of the  Company  or its
         subsidiaries as currently conducted (the "Company Intellectual Property
         Rights").  Except as  disclosed in the Company  Schedules,  each of the
         Company and its subsidiaries  has licenses for all Commercial  Software
         used in its business and neither the Company nor any subsidiary has any
         obligation  to pay  fees,  royalties  and  other  amounts  at any  time
         pursuant to any such  license.  "Commercial  Software"  means  packaged
         commercially  available  software programs  generally  available to the
         public  which  have  been  licensed  to  the  Company  or  any  of  its
         subsidiaries  pursuant to end-user  licenses  and which are used in the
         Company's or any of its subsidiaries' respective businesses.

                  (b) The  Company  Schedules  set forth a complete  list of all
         licenses,  sublicenses and other  agreements as to which the Company or
         any of its subsidiaries is a party (as licensor, licensee or otherwise)
         and  pursuant  to which the Company or any of its  subsidiaries  or any
         other  person is  authorized  to use,  sell,  or  license  any  Company
         Intellectual  Property Rights  (excluding object code end-user licenses
         granted  to  end-users  pursuant  to the  Company's  standard  form  of
         end-user  license 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")).  Neither  the Company nor any of its
         subsidiaries  is in  violation  of  any  such  license,  sublicense  or
         agreement,  except for such  violations  that could not  reasonably  be
         expected to have,  individually or in the aggregate, a Material Adverse
         Effect on the Company.
                                       13
<PAGE>
                  (c) Except as disclosed in the Company Schedules,  the Company
         or one of its  subsidiaries  is the  sole  and  exclusive  owner of the
         Company  Intellectual  Property  Rights (free and clear of any liens or
         encumbrances),  and  has  sole  and  exclusive  rights  to the  use and
         distribution  therefor or the material  covered  thereby in  connection
         with  the  services  or  products  in  respect  of which  such  Company
         Intellectual  Property  Rights  are  currently  being  used.  Except as
         disclosed  on  the  Company  Schedules,  the  Company  or  one  of  its
         subsidiaries  is a  non-exclusive  licensee  as to  all  other  Company
         Intellectual  Property  Rights with rights to the use and  distribution
         therefor  or the  material  covered  thereby  in  connection  with  the
         services  or  products  in respect of which such  Company  Intellectual
         Property Rights are currently  being used.  Neither the Company nor any
         of its subsidiaries is  contractually  obligated to pay compensation to
         any third  party with  respect  to any  Company  Intellectual  Property
         Rights,  except  pursuant to the  agreements  disclosed  on the Company
         Schedules.

                  (d) Except as disclosed in the Company Schedules,  neither the
         Company nor any of its  subsidiaries  has infringed on any intellectual
         property  rights of any third persons,  except for  infringements  that
         could  not  reasonably  be  expected  to have,  individually  or in the
         aggregate, a Material Adverse Effect.

                  (e) Except as  disclosed in the Company  Schedules,  no claims
         with respect to the Company  Intellectual  Property  Rights are pending
         or, to the  knowledge of the Company,  threatened by the Company or any
         third party, (i) alleging that the manufacture,  sale, licensing or use
         of any Company Intellectual Property Rights as now manufactured,  sold,
         licensed or used by the Company or any of its subsidiaries or any third
         party infringes on any intellectual  property rights of any third party
         or the  Company,  (ii)  against  the use by the  Company  or any of its
         subsidiaries or any third party of any technology, know-how or computer
         software used in the Company's business as currently conducted or (iii)
         challenging  the  ownership by the Company or any of its  subsidiaries,
         validity or  effectiveness  of any such Company  Intellectual  Property
         Rights; provided, however, no disclosure pursuant to this paragraph (e)
         shall be required  with  respect to any Company  Intellectual  Property
         Rights which are licensed to the Company or any of its  subsidiaries on
         a non-exclusive  basis, unless the Company has knowledge of the pending
         or  threatened  claim and such  claim,  if true,  could  reasonably  be
         expected to have,  individually or in the aggregate, a Material Adverse
         Effect on the Company.

                  (f) Except as disclosed in the Company Schedules,  neither the
         Company  nor any of its  subsidiaries  has entered  into any  agreement
         under which the Company or its subsidiaries is restricted from selling,
         licensing or otherwise  distributing  any products to any class or type
         of customers, in any geographic area or during any period of time.

                  (g)  The  Company  or  one  of  its   subsidiaries  has  taken
         reasonable security measures to safeguard and maintain their respective
         property rights in, all Company  Intellectual  Property Rights owned by
         the Company or any of its  subsidiaries.  Except for clerical and other
         lower level internal  support  personnel (e.g.  mail room,  messengers,
         etc.), all officers, employees and consultants of the Company or any of
         its  subsidiaries  have executed and delivered to the Company or one of
         its  subsidiaries an agreement  
                                       14
<PAGE>
         regarding  the  protection  of  proprietary  information,  and  (i) the
         assignment  to the  Company or one of its  subsidiaries  of all Company
         Intellectual  Property  Rights arising from the services  performed for
         the Company or any of its  subsidiaries  by such  persons,  or (ii) the
         ownership  by the  Company or one of its  subsidiaries  of all  Company
         Intellectual  Property  Rights arising from the services  performed for
         the  Company  or  one of  its  subsidiaries  by  such  persons.  To the
         knowledge of the Company,  no current or prior  officers,  employees or
         consultants  of the  Company  or any of  its  subsidiaries  claim,  and
         neither the Company nor any of its subsidiaries is aware of any grounds
         to  assert  a  claim  to,  any   ownership   interest  in  any  Company
         Intellectual  Property Right as a result of having been involved in the
         development  of such  property  while  employed by or consulting to the
         Company or one of its subsidiaries, or otherwise.

                  (h)  Except  as  disclosed  in  the  Company  Schedules,   the
         occurrence in or use by any computer  software  included in the Company
         Intellectual Property Rights, of dates on or after January 1, 2000 (the
         "Millennial  Dates") will not adversely  affect the performance of such
         software with respect to date dependent data,  computations,  output or
         other functions (including without limitation,  calculating,  computing
         and sequencing) and such software will create, sort and generate output
         data  related to or  including  Millennial  Dates  without any material
         errors or omissions.

                  (i) No government  funding or university or college facilities
         were used in the  development  of the  computer  software  programs  or
         applications owned by the Company or one of its subsidiaries.

         2.12 AGREEMENTS,  CONTRACTS AND COMMITMENTS. Except as set forth in the
Company  Schedules or in the Exhibits to the Company SEC Reports  filed prior to
the date of this Agreement, neither the Company nor any of its subsidiaries is a
party to nor is it or its assets bound by any Material Contract. For purposes of
this Agreement, "Material Contract" means:

                  (a) any collective bargaining agreements;

                  (b)  any  employment  or  consulting  agreement,  contract  or
         binding  commitment   (including  royalty  agreements  with  employees)
         providing for compensation or payments in excess of $50,000 in any year
         not  terminable by the Company or its  subsidiary on thirty days notice
         without liability,  except to the extent general principles of wrongful
         termination  or other  employment  law may limit the  Company's  or its
         subsidiary's ability to terminate employees at will;

                  (c) any agreement or plan, including,  without limitation, any
         stock option plan,  stock  appreciation  right plan, or stock  purchase
         plan, any of the benefits of which will be increased, or the vesting of
         benefits of which will be  accelerated or the right to benefits will be
         created,  by the occurrence of any of the transactions  contemplated by
         this Agreement;

                  (d) any agreement of  indemnification  or guaranty not entered
         into in the  ordinary  course of  business  with any party in excess of
         $100,000 individually or in the
                                       15
<PAGE>
         aggregate,  and any agreement of  indemnification  or guarantee between
         the  Company  or any of its  subsidiaries  and any of its  officers  or
         directors, irrespective of the amount of such agreement or guarantee;

                  (e) Any agreement,  contract or binding commitment  containing
         any covenant directly or indirectly limiting the freedom of the Company
         or any of its  subsidiaries to engage in any line of business,  compete
         with any person, or sell any product,  or following the consummation of
         the Merger  would so limit  Parent,  the  Company  or any of  Company's
         subsidiaries;

                  (f) any agreement,  contract or binding commitment relating to
         capital  expenditures  and involving  future  obligations  in excess of
         $250,000;

                  (g) any agreement,  contract or binding commitment relating to
         the  disposition or acquisition of assets not in the ordinary course of
         business  (since  March  1,  1996)  or any  ownership  interest  in any
         corporation, partnership, joint venture or other business enterprise;

                  (h) any  mortgages,  indentures,  loans or credit  agreements,
         security agreements or other agreements or instruments  relating to the
         borrowing  of money or extension of credit  (other than  extensions  of
         credit in the ordinary course of business from vendors);

                  (i) any joint  marketing or development  agreement  (including
         any agreements with independent contractors);

                  (j)  any  distribution,  sales  representative,  reseller,  or
         value-added reseller agreement,  including in such Company Schedules an
         indication of those distributors,  sales representatives,  resellers or
         value-added  resellers  who  have  not met the  quotas  established  in
         accordance  with those  agreements  or whose  agreements  are otherwise
         currently terminable;

                  (k)   other   than  in   connection   with  the   transactions
         contemplated  by this  Agreement,  any  other  agreement,  contract  or
         binding commitment  (excluding real and personal property leases) which
         involves  payment by the Company or any of its subsidiaries of $100,000
         or more in any twelve (12) month  period or  $250,000 in the  aggregate
         and is not cancelable without penalty within thirty (30) days;

                  (l)  any  escrow  agreements  involving  Company  Intellectual
         Property Rights (including source codes);

                  (m) any agreements to register its securities; or

                  (n)  any  other  material  agreements,  contracts  or  binding
         commitments.

The numerical  thresholds  set forth in this Section 2.12 shall not be deemed in
any respects to define materiality for other purposes of this Agreement.
                                       16
<PAGE>
         2.13 NO DEFAULT.  Neither the Company nor any of its  subsidiaries  has
breached,  or received in writing any claim or threat that it has  breached,  in
any material respect, any Material Contract. Each Material Contract that has not
expired or been  terminated  in  accordance  with its terms is in full force and
effect,  except for such Material  Contracts for which the failure to be in full
force and effect could not  reasonably be expected to have,  individually  or in
the aggregate, a Material Adverse Effect on the Company.

         2.14   GOVERNMENTAL   AUTHORIZATION.   Each  of  the  Company  and  its
subsidiaries  holds all permits,  licenses,  variances,  exemptions,  orders and
approvals of all  Governmental  Entities  which are material to the operation of
its business as currently conducted (the "Company Permits"). Neither the Company
nor any of its subsidiaries is in violation of the terms of the Company Permits,
except  for  violations  which  could  not  be  reasonably   expected  to  have,
individually or in the aggregate,  a Material Adverse Effect on the Company. The
business of the Company and its  subsidiaries is not being,  and the business of
the  Company and its  subsidiaries  (and any prior  subsidiaries  (but only with
respect to the period prior to the disposition of such subsidiary)) currently or
previously  conducted has not been, conducted in violation of any law, ordinance
or regulation of any Governmental Entity,  except for violations which could not
be reasonably  expected to have,  individually  or in the aggregate,  a Material
Adverse  Effect  on the  Company.  No  material  investigation  or review by any
Governmental  Entity with respect to the Company or any of its  subsidiaries  is
pending or, to the knowledge of the Company, threatened.

         2.15 LITIGATION. Except as disclosed in the Company Schedules or in the
Company SEC Reports filed prior to the date of this Agreement, there is no suit,
action,  arbitration,  demand, claim or proceeding pending, or, to the knowledge
of the  Company,  threatened  against  the  Company or any of its  subsidiaries,
except for suits, actions,  arbitrations,  demands, claims and proceedings which
could not be reasonably  expected to have,  individually or in the aggregate,  a
Material  Adverse  Effect on the Company;  nor is there any  material  judgment,
decree,  injunction,  rule or order of any  Governmental  Entity  or  arbitrator
outstanding against the Company or any of its subsidiaries. The Company has made
available  to  Parent  or  its  counsel  correct  and  complete  copies  of  all
correspondence  prepared by its counsel for the Company's auditors in connection
with the last two completed audits of the Company's financial statements and any
such correspondence since the date of the last such audit.

         2.16  INSURANCE.  Other than with  respect to  directors  and  officers
insurance  and errors  and  omissions  insurance,  the  Company  and each of its
subsidiaries  maintains in full force and effect insurance on its assets and its
business and operations against loss or damage,  risks, hazards, and liabilities
of any kinds on and in the amounts  customarily  insured against by corporations
engaged in the same or similar businesses.

         2.17  LABOR  MATTERS.  Each of the  Company  and its  subsidiaries  has
complied  with all  applicable  laws,  and  there is no  allegation,  charge  or
complaint  or  proceeding  pending or, to the  Company's  knowledge,  threatened
against the Company,  its  subsidiaries or any of their  officers,  directors or
employees,  relating  to the  employment  of labor,  including  with  respect to
employment,   equal   employment   opportunity,   discrimination,    harassment,
immigration,  wages,  hours,  benefits,  collective  bargaining,  the payment of
social security and other taxes,  workers  compensation or long term disability,
except,  in  each  case,  for any  such  non-compliance,  
                                       17
<PAGE>
allegations,  charges,  complaints or proceedings  which could not reasonably be
expected to have, individually or in the aggregate, a Material Adverse Effect on
the Company. Except as disclosed in the Company Schedules, there has never been,
there is not presently pending or existing, and to the Company's knowledge there
is not  threatened,  any labor  arbitration,  or  proceeding  in  respect of the
grievance of any  employee,  or other labor  dispute  against or  affecting  the
Company  or any of its  subsidiaries,  except,  in  each  case,  for  any of the
foregoing which could not reasonably be expected to have, individually or in the
aggregate, a Material Adverse Effect on the Company, or, to the knowledge of the
Company, any strike, slowdown, picketing, work stoppage, organizational activity
or  application  or  complaint  filed by an employee or union with the  National
Labor Relations Board or any comparable  governmental  authority. No application
for  certification  of a  collective  bargaining  agent is  pending  or,  to the
Company's  knowledge,  threatened.  There is no lockout of any  employees by the
Company or any of its  subsidiaries,  and no such action is  contemplated by the
Company or any of its subsidiaries.  As of the date hereof,  neither the Company
nor any of its subsidiaries has given to or received from any current officer or
director of the Company or any of its subsidiaries or any current instructor for
the  Company's or any of its  subsidiaries'  instructor-led  training  seminars,
written  notice of  termination of employment or has the knowledge that any such
officer, director or instructor intends to terminate such employment.

         2.18 EMPLOYEE BENEFITS.

                  (a) The Company  Schedules contain a list of each Company Plan
         (as  hereinafter  defined)  maintained  by  the  Company  or any of its
         subsidiaries.  With  respect to each  Company  Plan,  the  Company  has
         delivered to Parent prior to the date hereof, to the extent applicable,
         a true and correct  copy of (i) such  Company  Plan and all  amendments
         thereto,   (ii)   each   trust   agreement,   insurance   contract   or
         administration  agreement relating to such Company Plan, (iii) the most
         recent  summary  plan  description  for each  Company  Plan for which a
         summary  plan  description  is  required,  (iv) the most recent  annual
         report  (Form 5500) filed with the IRS,  (v) the most recent  actuarial
         report or  valuation  relating to a Company Plan subject to Title IV of
         the  Employee  Retirement  Income  Security  Act of  1974,  as  amended
         ("ERISA"), (vi) the most recent determination letter, if any, issued by
         the IRS with respect to any Company Plan intended to be qualified under
         section  401(a) of the  Code,  (vii) any  request  for a  determination
         currently pending before the IRS and (viii) all correspondence with the
         IRS,  the  Department  of  Labor  or  the  Pension   Benefit   Guaranty
         Corporation  relating  to any  outstanding  controversy.  Except as set
         forth on the Company  Schedules  and except as could not  reasonably be
         expected to have,  individually or in the aggregate, a Material Adverse
         Effect on the Company,  (i) each Company Plan complies with ERISA,  the
         Code and all  other  applicable  statutes  and  governmental  rules and
         regulations,  (ii) no "reportable event" (within the meaning of Section
         4043 of ERISA) has occurred within the past three years with respect to
         any Company  Plan which is likely to result in liability to the Company
         and (iii) no action has been taken, or is currently  being  considered,
         to terminate any Company Plan subject to Title IV of ERISA.  At no time
         has the Company or any of its ERISA Affiliates (as hereinafter defined)
         been  required to contribute  to, or otherwise  had any liability  with
         respect to, a "multiemployer plan" (as defined in Section 4001(a)(3) of
         ERISA).
                                       18
<PAGE>
                  (b) There has been no failure to make any  contribution or pay
         any amount due to any  Company  Plan as  required by Section 412 of the
         Code,  Section  302 of  ERISA,  or the terms of any such  Plan,  and no
         Company  Plan,  nor any trust  created  thereunder,  has  incurred  any
         "accumulated  funding deficiency" (as defined in Section 302 of ERISA),
         whether or not waived.

                  (c) To the  knowledge  of the  Company,  there are no actions,
         suits or claims  pending or threatened  (other than routine  claims for
         benefits)  with respect to any Company Plan which could  reasonably  be
         expected to, individually or in the aggregate,  have a Material Adverse
         Effect  on the  Company.  Neither  the  Company  nor  any of its  ERISA
         Affiliates  has incurred or would  reasonably  be expected to incur any
         material  liability under or pursuant to Title IV of ERISA,  including,
         without  limitation,  any  material  liability  in  the  event  of  the
         involuntary  termination  of any  Company  Plan  subject to Title IV of
         ERISA. No prohibited  transactions described in Section 406 of ERISA or
         Section  4975 of the Code  have  occurred  which  would  reasonably  be
         expected  to  result  in  material  liability  to  the  Company  or its
         subsidiaries. All Company Plans that are intended to be qualified under
         Section  401(a) of the Code have  been  determined  by the IRS to be so
         qualified,  and  there  is no  reason  why any  Company  Plan is not so
         qualified  in  operation.  Neither  the  Company  nor any of its  ERISA
         Affiliates  has any liability or  obligation  under any welfare plan to
         provide  life  insurance  or  medical  benefits  after  termination  of
         employment to any employee or dependent  other than as required by Part
         6 of Title I of ERISA or as disclosed in the Company Schedules.

                  (d) As used herein,  (i) "Company Plan" means a "pension plan"
         (as defined in Section 3(2) of ERISA),  a "welfare plan" (as defined in
         Section  3(1)  of  ERISA),  or  any  bonus,  profit  sharing,  deferred
         compensation,  incentive compensation, stock ownership, stock purchase,
         stock  option,  phantom  stock,  vacation,  severance,  death  benefit,
         insurance or other plan,  arrangement  or  understanding,  in each case
         established,  maintained or contributed to by the Company or any of its
         ERISA  Affiliates  or as to  which  the  Company  or any  of its  ERISA
         Affiliates or otherwise may have any liability and (ii) with respect to
         any person,  "ERISA  Affiliate" means any trade or business (whether or
         not incorporated)  which is under common control or would be considered
         a single employer with such person pursuant to Section 414(b), (c), (m)
         or (o) of the Code and the regulations promulgated under those sections
         or pursuant to Section 4001(b) of ERISA and the regulations promulgated
         thereunder.

                  (e) The  Company  Schedules  contain  a list  of each  Company
         Ex-U.S. Pension Plan and the Company has made available to Parent prior
         to the date hereof a copy of any written  plan  document  with  respect
         thereto.  Except  for  non-compliance  that  could  not  reasonably  be
         expected to, individually or in the aggregate,  have a Material Adverse
         Effect on the Company, each such plan has been maintained in compliance
         with all applicable laws,  orders and regulations,  and the fair market
         value of the assets of each such plan which is  intended to be a funded
         plan  or  arrangement  equals  or  exceeds  the  value  of the  accrued
         benefits.  "Company  Ex-U.S.  Pension Plan" shall mean any  arrangement
         providing retirement pension benefits that is established or maintained
         by the Company or
                                       19
<PAGE>
         any of its  subsidiaries  exclusively  for the benefit of employees who
         are or were employed outside the United States.

                  (f) The Company  Schedules  contain a list,  as of the date of
         this  Agreement,  of all (i) severance and employment  agreements  with
         officers and  employees of the Company and each ERISA  Affiliate,  (ii)
         severance plans,  programs and policies of the Company with or relating
         to its  employees  and  (iii)  plans,  programs,  agreements  and other
         arrangements  of the Company  with or relating to its  employees  which
         contain  change of control  or  similar  provisions.  The  Company  has
         provided to Parent a true and complete copy of each of the foregoing.

         2.19  RELATIONSHIPS  WITH RELATED  PERSONS.  Except as disclosed in the
Company  SEC  Reports  filed prior to the date hereof and except as set forth on
the  Company  Schedules,  there are no, and since  January 1, 1997 have not been
any, undischarged contracts or agreements or other material transactions between
the Company or any of its  subsidiaries,  on the one hand,  and any  director or
executive officer of the Company or any of their respective  Related Persons (as
defined below),  on the other hand, and no director or executive  officer of the
Company or any of their  respective  Related Persons have any interest in any of
the assets of the Company or any of its subsidiaries.  For purposes hereof,  the
term "Related  Persons" shall mean:  (a) each other member of such  individual's
Family and (b) any person or entity that is directly or indirectly controlled by
any one or more  members  of such  individual's  Family.  For  purposes  of this
definition, the "Family" of an individual includes (i) such individual, (ii) the
individual's spouse,  (iii) any lineal descendant of such individual,  or (iv) a
trust for the benefit of the foregoing.

         2.20 STATE  "ANTI-TAKEOVER"  STATUTES.  Neither Section 203 of Delaware
law nor any other "fair price" or "control share  acquisition"  statute or other
similar  statute or regulation will apply to the Merger or this Agreement or the
transactions contemplated hereby.

         2.21 POOLING OF INTERESTS.  To the  knowledge of the Company,  based on
consultation  with its  independent  accountants,  neither  the  Company nor its
directors,  officers or  stockholders  has taken any action which would preclude
(i) Parent's ability to account for the Merger as a pooling of interests or (ii)
Parent's,  Surviving  Corporation's  or the  Company's  ability to  continue  to
account  for as a pooling  of  interests  any past  acquisition  by the  Company
currently accounted for as a pooling of interests.

         2.22  CHANGE OF CONTROL  PAYMENTS.  Except as set forth on the  Company
Schedules,  except for the acceleration of vesting of outstanding  stock options
in  accordance  with the terms of the Company  Stock  Option  Plans,  except for
employment  agreements with directors and officers  entered into before the date
of this  Agreement  and filed  with the SEC and except as  contemplated  by this
Agreement,  neither  the  execution  and  delivery  of  this  Agreement  nor the
consummation  of the  transactions  contemplated  hereby  will (i) result in any
payment (including,  without limitation,  severance,  unemployment compensation,
golden parachute,  bonus or otherwise)  becoming due to any director or employee
of the  Company  or  any of its  subsidiaries  from  the  Company  or any of its
subsidiaries,  under  any  Company  Employee  Benefit  Plan or  otherwise,  (ii)
materially  increase any benefits  otherwise  payable under any Company Employee
Benefit Plan, 
                                       20
<PAGE>
(iii) result in the  acceleration  of the time of payment or vesting of any such
benefits  or  (iv)  create  a  right  to  receive  payments  upon  a  subsequent
termination of employment.

         2.23  REGISTRATION   STATEMENTS;   PROXY   STATEMENTS/PROSPECTUS.   The
information supplied by the Company for inclusion in the Registration  Statement
(as defined in Section 3.7) shall not at the time the Registration  Statement is
filed with the SEC and at the time it  becomes  effective  under the  Securities
Act,  contain  any  untrue  statement  of a  material  fact or omit to state any
material  fact  required to be stated  therein or necessary in order to make the
statements therein not misleading. The information supplied by or concerning the
Company  for  inclusion  in the  proxy  statement/prospectus  to be  sent to the
stockholders  of the Company in  connection  with the  meeting of the  Company's
stockholders to consider the Merger (the "Company Stockholders'  Meeting") (such
proxy  statement/prospectus  as amended or supplemented is referred to herein as
the "Proxy  Statement")  shall  not,  on the date the Proxy  Statement  is first
mailed to the Company's  stockholders,  at the time of the Company Stockholders'
Meeting or at the  Effective  Time,  contain any untrue  statement of a material
fact or omit to state  any  material  fact  required  to be  stated  therein  or
necessary in order to make the statements therein, in light of the circumstances
under which they are made,  not false or  misleading.  The Proxy  Statement will
comply (with  respect to the Company) as to form in all material  respects  with
the provisions of the Exchange Act and the rules and regulations thereunder.  If
at any time prior to the Effective Time any event relating to the Company or any
of its  affiliates,  officers or directors  should be  discovered by the Company
which  should be set forth in an amendment  to the  Registration  Statement or a
supplement to the Proxy  Statement,  the Company shall  promptly  inform Parent.
Notwithstanding  the foregoing,  the Company makes no representation or warranty
with respect to any information  supplied by or concerning  Parent or Merger Sub
which is contained in any of the foregoing documents.

         2.24 BOARD APPROVAL.  The Board of Directors of the Company, has, on or
prior to the date hereof, approved this Agreement and the Merger.

         2.25 FAIRNESS OPINION.  The Company has received a written opinion from
Piper  Jaffray  Inc.  dated  as of the date  hereof,  that  the  Exchange  Ratio
contemplated  by this  Agreement is fair to the  Company's  stockholders  from a
financial point of view and has delivered to Parent a copy of such opinion.

         2.26  BROKERS'  AND FINDERS'  FEES.  Neither the Company nor any of its
subsidiaries  has  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,  except  for a fee due to  Piper  Jaffray  Inc.  at the  Effective  Time
pursuant  to an  agreement,  a copy of which has been  provided  to Parent  (the
"Piper Engagement Letter").

         3.       REPRESENTATIONS AND WARRANTIES OF PARENT AND
                  MERGER SUB

         Parent and Merger Sub represent and warrant to the Company,  subject to
the  exceptions  specifically  disclosed in the  disclosure  letter  supplied by
Parent to the Company (the "Parent  Schedules")  and dated as of the date hereof
as follows:
                                       21
<PAGE>
         3.1   ORGANIZATION   OF  PARENT.   Each  of  Parent  and  its  material
subsidiaries  is a  corporation  duly  organized,  validly  existing and in good
standing  under  the  laws of the  jurisdiction  of its  incorporation,  has the
corporate  power to own,  lease and  operate  its  property  and to carry on its
business as now being  conducted,  and is duly  qualified  to do business and in
good  standing  as a foreign  corporation  in each  jurisdiction  in which  such
qualification is required by virtue of the nature of activities conducted by it,
except to the extent that the failure to be so  qualified  and in good  standing
could not  reasonably  be expected to have,  individual or in the  aggregate,  a
Material Adverse Effect on Parent. Parent has delivered or made available a true
and correct copy of the Certificate of Incorporation and Bylaws or other charter
documents of Parent, each as amended to date, to counsel for the Company.

         3.2 ABSENCE OF CERTAIN  CHANGES OF EVENTS.  Except as  described in the
Parent SEC  Reports (as  hereinafter  defined)  filed prior to the date  hereof,
since the date of the Parent Balance Sheet (as hereinafter defined), except with
respect to the actions contemplated by this Agreement,  the Parent has conducted
its business only in the ordinary  course and in a manner  consistent  with past
practice and, since such date, there has not been (i) any Material Adverse
 Effect on the Parent or any  development  that could  reasonably be expected to
have a Material  Adverse Effect on the Parent;  (ii) any damage,  destruction or
loss  (whether or not covered by insurance) on the Parent or any of its material
subsidiaries  that has had or could  reasonably  be  expected to have a Material
Adverse Effect on the Parent;  (iii) any material change by the Parent or any of
its material  subsidiaries in its accounting  methods,  principles or practices;
(iv) any material revaluation by the Parent or any of its material  subsidiaries
of any of its assets, including,  without limitation,  writing down the value of
capitalized software or inventory or deferred tax assets or writing off notes or
accounts receivable other than in the ordinary course of business; (v) any labor
dispute  or  charge of unfair  labor  practice  which  could not  reasonably  be
expected to have, individually or in the aggregate, a Material Adverse Effect on
Parent, any activity or proceeding by a labor union or representative thereof to
organize any employee of the Parent or any of its material  subsidiaries  or any
campaign  being  conducted  to  solicit   authorization  from  employees  to  be
represented by such labor union;  or (vi) any waiver by the Parent of any rights
of material value. In this Agreement, the term "Material Adverse Effect" used in
reference to the Parent and its subsidiaries  means any event,  change or effect
materially adverse to the financial condition,  assets, liabilities,  results of
operations  or  business of the Parent and its  subsidiaries,  taken as a whole,
other than changes resulting solely from changes in general economic or computer
industry conditions.

         3.3 CAPITAL STRUCTURE.

                  (a)  The  authorized  capital  stock  of  Parent  consists  of
         180,000,000  shares of Common  Stock,  $.001 par value,  as of the date
         hereof,  of which  64,009,818  shares were issued and outstanding as of
         February 13, 1998 plus any shares  issued on such date upon exercise of
         options  outstanding  on such  date and  10,000,000  shares of Class II
         Preferred Stock, $.01 par value,  1,000,000 shares of which (subject to
         adjustment  upward or downward by the Parent's Board of Directors) have
         been  designated  Series A Junior  Participating  Preferred  Stock  and
         1,775,000  of which  (subject  to  adjustment  upward  or  downward  in
         accordance with the Parent's Certificate of Incorporation,  as amended)
         have been designated as Class II Series B Preferred Stock. No shares of
         the Series A Junior
                                       22
<PAGE>
         Participating  Preferred Stock are issued or outstanding as of the date
         hereof.  The shares of Parent Common Stock to be issued pursuant to the
         Merger and upon the  exercise  of  Substitute  Options  will  include a
         corresponding  number of rights (such rights being hereinafter referred
         to  collectively  as "Parent  Rights") to  purchase  shares of Series A
         Junior Participating Stock pursuant to the Rights Agreement dated as of
         December 21, 1995 (the "Parent  Rights  Agreement")  between Parent and
         Harris Trust and Savings Bank, as Rights Agent. The authorized  capital
         stock of Merger Sub consists of 1,000 shares of Common Stock,  $.01 par
         value,  1,000  shares of which are issued and  outstanding  and held by
         Parent.  A total of  1,768,421  shares of Class II  Series B  Preferred
         Stock are  issued and  outstanding  as of the date  hereof.  All of the
         foregoing  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.
         The  registered  holders of Parent  Common  Stock have  Parent  Rights,
         pursuant to the Parent Rights  Agreement.  The description and terms of
         the Parent Rights are set forth in the Parent Rights  Agreement.  As of
         the date hereof,  Parent has also reserved (i) 864,850 shares of Common
         Stock for issuance to the Parent's  officers,  directors,  employees or
         independent  contractors or affiliates  thereof under the Parent's 1989
         Stock Option Plan,  (ii) 115,000 shares of Common Stock for issuance to
         the Chief  Executive  Officer of the Parent  under the  Parent's  Chief
         Executive  Officer Stock Option Plan,  (iii) 2,475,706 shares of Common
         Stock for issuance to the Parent's  officers,  directors,  employees or
         independent  contractors or affiliates  thereof under the Parent's 1991
         Stock Option Plan, (iv) 498,000 shares of its Common Stock for issuance
         to non-employee  directors of the Parent under the Parent's  Directors'
         Stock  Option  Plan,  (v)  1,000,000  shares  of its  Common  Stock for
         issuance to officers, directors, employees,  independent contractors or
         other  service  providers of the Parent under the 1994 Stock  Incentive
         Plan,  (vi)  8,030,251  shares  of its  Common  Stock for  issuance  to
         officers,  directors,  employees,   independent  contractors  or  other
         service  providers  of the  Parent  under the  Parent's  1995  Employee
         Incentive   Compensation  Plan,  (vii)  1,768,421  shares  (subject  to
         adjustment  upward or downward)  of its Common Stock for issuance  upon
         conversion of outstanding  shares of Class II Series B Preferred Stock,
         (viii)  8,243,010 shares of Common Stock for issuance upon the election
         by the holders of 6.75% Convertible  Subordinated Notes to convert such
         notes  into  shares  of  Common  Stock  as  provided  therein  and (ix)
         4,160,600  shares of Common Stock for issuance upon the election by the
         holders of 6.25% Convertible  Subordinated  Notes to convert such notes
         into shares of Common  Stock as provided  therein.  As of December  31,
         1997,  of the  13,474,659  shares of Parent  Common Stock  reserved for
         issuance upon exercise of options therefor,  11,861,865 shares remained
         subject to outstanding  options and 1,612,794  shares were reserved for
         future grant. In addition, pursuant to Parent's Employee Stock Purchase
         Plan,  300,000 shares of Parent's  Common Stock will be issuable to the
         participants  therein for the offering period ending February 28, 1998,
         provided that all participants continue to contribute at current levels
         (assuming  the  purchase  price  of such  shares  to be 85% of the fair
         market  value of Parent's  Common Stock on the first day of the current
         offering  period).  In  addition,  as of the  date  hereof,  there  are
         outstanding (A)  $115,000,000  (aggregate  principal  amount) of 6 3/4%
         Convertible  Subordinated Notes Due 2001 (the "Notes"), which Notes are
         (i)  convertible  at the  option of the  holder  into  shares of Parent
         Common  Stock at any time prior to  maturity at a  conversion  price of
         $13.95 per share  
                                       23
<PAGE>
         (equivalent to a conversion rate of 71.685 shares per $1,000  principal
         amount of Notes),  (ii)  redeemable at the option of Parent at any time
         after  November 15, 1999 and (iii) mature on November 15, 2001, and (B)
         $150,000,000   (aggregate   principal   amount)  of  6.25%  Convertible
         Subordinated  Notes Due 2002, which (i) are redeemable at the option of
         the  Purchaser  at any time after  December 15, 2000 and (ii) mature on
         December 15, 2002.  Except as set forth in the Parent Schedules and for
         shares of Parent  Capital Stock  issuable in  connection  with business
         combinations  or  acquisitions  of  technology  pursuant to  agreements
         entered  into  after  the  date  hereof,  there  are  no  other  equity
         securities, options, warrants, calls, rights, commitments or agreements
         of any  character  to which  Parent  is a party or by which it is bound
         obligating  Parent to issue,  deliver,  sell,  repurchase or redeem, or
         cause to be issued,  delivered,  sold,  repurchased  or  redeemed,  any
         shares of the capital  stock of Parent or  obligating  Parent to grant,
         extend or enter into any such equity security,  option,  warrant, call,
         right, commitment or agreement.

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

         3.4   AUTHORITY; NO CONFLICT.

                  (a) 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 as enforceability  may be limited by bankruptcy
         and other similar laws and general principles of equity.

                  (b) The execution and delivery of this Agreement does not, and
         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
         a benefit under (i) any provision of the  Certificate of  Incorporation
         or Bylaws of Parent  or  Merger  Sub 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 Parent,  any of its  subsidiaries  or
         their  respective  properties or assets other than any such  conflicts,
         violations,  defaults,  terminations,  cancellations  or  accelerations
         which could not reasonably be expected to have,  individually or in the
         aggregate, a Material Adverse Effect on Parent or materially impair the
         ability of Parent to consummate the transactions contemplated hereby.

                  (c) No  consent,  approval,  order  or  authorization  of,  or
         registration,  declaration or filing with, any Governmental  Entity, is
         required  by or with  respect  to  Parent  and  Merger  Sub  and  their
         respective  subsidiaries  in connection with the execution and delivery
         of this  Agreement  by Parent  and Merger  Sub or the  consummation  by
         Parent and Merger 
                                       24
<PAGE>
         Sub of the transactions  contemplated hereby, except for (i) the filing
         of a pre-merger  notification report under the HSR Act, (ii) the filing
         of the Form S-4  Registration  Statement with the SEC, (iii) the filing
         of the Certificate of Merger with the Delaware Secretary of State, (iv)
         the filing of a Form 8-K with the SEC, (v) listing of the shares on the
         Nasdaq National Market,  and (vi) such other consents,  authorizations,
         filings,  approvals  and  registrations  which if not  obtained or made
         could  not  reasonably  be  expected  to have,  individually  or in the
         aggregate, a Material Adverse Effect on Parent or materially impair the
         ability of Parent to consummate the transactions contemplated hereby.

         3.5   SEC FILINGS; PARENT FINANCIAL STATEMENTS

                  (a) Parent has filed all forms, reports and documents required
         to be filed  with the SEC since  January  1,  1996.  All such  required
         forms,  reports and documents are referred to herein as the "Parent SEC
         Reports."  As of their  respective  dates,  the Parent SEC  Reports (i)
         complied  in  all  material  respects  with  the  requirements  of  the
         Securities  Act or the Exchange  Act, as the case may be, and the rules
         and  regulations  of the SEC  thereunder  applicable to such Parent SEC
         Reports  and (ii) did not at the time they were filed (or if amended or
         superseded by a filing prior to the date of this Agreement, then on the
         date of such filing) contain any untrue statement of a material fact or
         omit to  state  a  material  fact  required  to be  stated  therein  or
         necessary in order to make the statements  therein, in the light of the
         circumstances  under  which they were  made,  not  misleading.  None of
         Parent's  subsidiaries is required to file any forms,  reports or other
         documents with the SEC.

                  (b) Each of the consolidated  financial statements (including,
         in each case,  any related notes  thereto)  contained in the Parent SEC
         Reports (the  "Parent  Financials"),  including  any Parent SEC Reports
         filed  after the date hereof  until the  Closing  and the  consolidated
         unaudited  balance  sheet  of the  Parent  and its  subsidiaries  as of
         December  31,  1997  and  the  consolidated   unaudited   statement  of
         operations  and cash flow for the twelve month period then ended,  true
         and correct  copies of which were delivered to the Company (the "Parent
         December 31st Financials"),  (i) complies, or complied, as the case may
         be, as to form in all material  respects with the  published  rules and
         regulations of the SEC with respect thereto, (ii) was prepared (or will
         be  prepared)  in  accordance   with  generally   accepted   accounting
         principles  applied  on  a  consistent  basis  throughout  the  periods
         involved  (except as may be indicated  in the notes  thereto) and (iii)
         fairly presented (or will fairly present) in all material  respects the
         consolidated  financial  position of Parent and its  subsidiaries as at
         the  respective  dates  thereof  and the  consolidated  results  of its
         operations  and cash flows for the periods  indicated,  except that the
         unaudited  interim   financial   statements  do  not  include  footnote
         disclosure of the type associated with audited financial statements and
         (other than the Parent December 31st Financials) were or are subject to
         normal and recurring year-end  adjustments and to any other adjustments
         described therein.  The consolidated  unaudited balance sheet of Parent
         and its subsidiaries included in the Parent December 31st Financials is
         hereinafter referred to as the "Parent Balance Sheet."

                  (c) Except as set forth on the Parent Schedules,  there are no
         material amendments or modifications to agreements,  documents or other
         instruments  which  previously  had been  
                                       25
<PAGE>
         filed by Parent  with the SEC  pursuant  to the  Securities  Act or the
         Exchange Act,  which have not yet been filed with the SEC but which are
         required to be filed.

         3.6  POOLING  OF  INTERESTS.  To  the  Parent's  knowledge,   based  on
consultation  with its  independent  accountants,  neither  the  Parent  nor its
directors,  officers or stockholders  nor any of its  subsidiaries has taken any
action which would  preclude (i) the Parent's  ability to account for the Merger
as a pooling of interests or (ii) the  Parent's or the  Surviving  Corporation's
ability  to  continue  to  account  for  as a  pooling  of  interests  any  past
acquisitions  by Parent or the Company  currently  accounted for as a pooling of
interests.

         3.7 REGISTRATION STATEMENT; PROXY STATEMENT/PROSPECTUS. Other than with
respect to the information supplied by the Company,  the registration  statement
on Form S-4 (or such other or successor form as shall be appropriate) (including
any amendments or supplements thereto, the "Registration  Statement"),  pursuant
to which the shares of Parent  Common  Stock to be issued in the Merger  will be
registered  with the SEC shall not, at the time the  Registration  Statement  is
filed with the SEC and at the time it  becomes  effective  under the  Securities
Act,  contain  any  untrue  statement  of a  material  fact or omit to state any
material fact  necessary in order to make the  statements  included  therein not
misleading.  The  information  supplied  by Parent  for  inclusion  in the Proxy
Statement  shall  not,  on the date the  Proxy  Statement  is  first  mailed  to
stockholders,  at  the  time  of the  Company  Stockholders'  Meeting  or at the
Effective Time, contain any untrue statement of a material fact or omit to state
any material  fact  required to be stated  therein or necessary in order to make
the statements therein, in light of the circumstances under which they are made,
not false or  misleading.  The Proxy  Statement  will  comply  (with  respect to
information  relating  to  Parent  or  Merger  Sub) as to  form in all  material
respects with the  provisions of the Exchange Act and the rules and  regulations
thereunder.  If at any time prior to the  Effective  Time any event  relating to
Parent, Merger Sub or any of their respective affiliates,  officers or directors
should be  discovered  by Parent or Merger  Sub which  should be set forth in an
amendment to the Registration  Statement or a supplement to the Proxy Statement,
Parent or Merger Sub will  promptly  inform  the  Company.  Notwithstanding  the
foregoing, Parent and Merger Sub make no representation or warranty with respect
to any  information  supplied by the Company  which is  contained  in any of the
foregoing documents.

         3.8 BOARD  APPROVAL.  The Board of  Directors  of Parent has, as of the
date hereof, approved this Agreement and the Merger.

         3.9  FAIRNESS  OPINION.  Parent  has  received a written  opinion  from
Donaldson Lufkin & Jenrette Securities Corporation, dated as of the date hereof,
that the Exchange  Ratio is fair to Parent from a financial  point of view,  and
has delivered to the Company a copy of such opinion.

         3.10 BROKERS' AND FINDERS' FEES. Parent has not incurred,  and will not
incur,  directly or indirectly,  any liability for brokerage or finders' fees or
agents'  commissions or any similar  charges in connection  with this Agreement,
the  Merger or any  transaction  contemplated  hereby,  except  for a fee due to
Donaldson, Lufkin & Jenrette Securities Corporation at the Effective Time.

         3.11  OPERATIONS  OF MERGER SUB.  Merger Sub is a direct,  wholly-owned
subsidiary  of Parent,  was formed  solely for the  purpose of  engaging  in the
transactions  contemplated  hereby, 
                                       26
<PAGE>
has engaged in no other  business  activities  and has conducted its  operations
only as contemplated hereby.

         3.12   EMPLOYEE BENEFITS.

                  (a)  Except  as could  not  reasonably  be  expected  to have,
         individually or in the aggregate,  a Material Adverse Effect on Parent,
         (i) each  Parent  Plan  complies  with  ERISA,  the Code and all  other
         applicable  statutes and  governmental  rules and  regulations and (ii)
         there has been no  failure to make any  contribution  or pay any amount
         due to any  Parent  Plan as  required  by  Section  412 of the  Code or
         Section  302 of  ERISA  and no  Parent  Plan,  nor  any  trust  created
         thereunder,  has  incurred any  "accumulated  funding  deficiency"  (as
         defined in Section 302 of ERISA), whether or not waived.

                  (b) To the knowledge of Parent, there are no actions, suits or
         claims  pending or threatened  (other than routine claims for benefits)
         with respect to any Parent Plan which would  reasonably  be expected to
         have,  individually or in the aggregate,  a Material  Adverse Effect on
         Parent.  Neither Parent nor any of its ERISA Affiliates has incurred or
         would  reasonably be expected to incur any material  liability under or
         pursuant to Title IV of ERISA. No prohibited  transactions described in
         Section 406 of ERISA or Section  4975 of the Code have  occurred  which
         could reasonably be expected to result in material  liability to Parent
         or its subsidiaries.

                  (c) As used herein,  "Parent Plan" means a "pension  plan" (as
         defined in  Section  3(2) of ERISA),  a "welfare  plan" (as  defined in
         Section  3(1)  of  ERISA),  or  any  bonus,  profit  sharing,  deferred
         compensation,  incentive compensation, stock ownership, stock purchase,
         stock  option,  phantom  stock,  vacation,  severance,  death  benefit,
         insurance or other plan,  arrangement  or  understanding,  in each case
         established, maintained or contributed to by Parent or any of its ERISA
         Affiliates  or as to which  Parent  or any of its ERISA  Affiliates  or
         otherwise may have any material liability.

         3.13 LIABILITIES.  Except (a) for liabilities  incurred in the ordinary
course of business consistent with past practice,  (b) for liabilities set forth
on the balance sheet included in the Parent December 31st Financials, (c) as set
forth in Parent and Merger Sub Schedules or (d) other liabilities that could not
reasonably be expected to have,  individually  or in the  aggregate,  a Material
Adverse Effect on Parent, since December 31, 1997, none of Parent, Merger Sub or
any of Parent's subsidiaries has incurred any liabilities that would be required
to be reflected or reserved  against in a  consolidated  balance sheet of Parent
and its subsidiaries  prepared in accordance with generally accepted  accounting
principles as applied in preparing the consolidated  balance sheet of Parent and
its  subsidiaries  as of December 31, 1997 contained in the Parent December 31st
Financials.

         3.14 TAXES. Except as set forth in Parent and Merger Sub Schedules:

                  (a) Parent and each of its  subsidiaries  has timely filed all
         Returns  required by applicable  Tax law to be filed by Parent and each
         of its  subsidiaries,  except where any such failure to file that could
         not reasonably be expected to have, individually or in the 
                                       27
<PAGE>
         aggregate,  a Material  Adverse Effect on Parent.  All Taxes imposed on
         Parent or any of its  subsidiaries  by a taxing  authority or for which
         Parent or any of its  subsidiaries is or could be liable,  whether to a
         taxing  authority  or to  other  persons  or  entities,  to the  extent
         required  to be paid by  Parent  or any of its  subsidiaries  have been
         paid,  except for any such failure to pay that could not  reasonably be
         expected to have,  individually or in the aggregate, a Material Adverse
         Effect on Parent.

                  (b) Except to the  extent  that any such  failure to  withhold
         could  not  reasonably  be  expected  to have,  individually  or in the
         aggregate,  a Material  Adverse  Effect on Parent,  as of the Effective
         Time,  Parent and each of its  subsidiaries,  will have  withheld  with
         respect to its  employees all federal and state taxes,  FICA,  FUTA and
         other Taxes required to be withheld.

                  (c)  There  is no  Tax  deficiency  outstanding,  proposed  or
         assessed  against  Parent  or  any  of  its  subsidiaries,  except  any
         deficiency  that,  if paid,  could not  reasonably be expected to have,
         individually or in the aggregate, a Material Adverse Effect on Parent.

         3.15  INTELLECTUAL  PROPERTY.  Parent  and its  subsidiaries  have  all
patents,  trademarks,  trade names, service marks, trade secrets, copyrights and
other proprietary Parent  intellectual  property rights  (collectively,  "Parent
Intellectual  Property Rights") as are necessary in connection with the business
of Parent and its  subsidiaries,  taken as a whole,  except where the failure to
have such Intellectual Property Rights could not reasonably be expected to have,
individually or in the aggregate,  a Material Adverse Effect on Parent.  Neither
Parent nor any of its  subsidiaries  has  infringed  any  Intellectual  Property
Rights  of any  third  party,  other  than  any  infringements  that  could  not
reasonably be expected to have,  individually  or in the  aggregate,  a Material
Adverse Effect on Parent.

         3.16 GOVERNMENTAL  AUTHORIZATION.  Parent and its subsidiaries hold all
permits,  licenses,   variances,   exemptions,   orders  and  approvals  of  all
Governmental Entities which are material to the operation of their businesses as
currently conducted (the "Parent Permits") except where the failure to hold such
Permits  could  not  reasonably  be  expected  to have,  individually  or in the
aggregate,  a Material  Adverse Effect on Parent.  Neither Parent nor any of its
subsidiaries  is in  violation  of the terms of the Parent  Permits,  except for
violations  which could not be reasonably  expected to have,  individually or in
the aggregate,  a Material Adverse Effect on Parent.  The business of Parent and
its  subsidiaries  is not being and the business of Parent and its  subsidiaries
(and any prior  subsidiaries  (but only with  resect to the period  prior to the
disposition of such subsidiary)) currently or previously conducted has not been,
conducted in violation of any law,  ordinance or regulation of any  Governmental
Entity,  except for  violations  which could not reasonably be expected to have,
individually  or in the  aggregate,  a Material  Adverse  Effect on  Parent.  No
material  investigation  or review by any  Governmental  Entity with  respect to
Parent or any of its subsidiaries is pending or threatened.

         3.17  LITIGATION.  Except as disclosed in Parent Schedules or in Parent
SEC Reports filed prior to the date of this Agreement, there is no suit, action,
arbitration, demand, claim or proceeding pending or, to the knowledge of Parent,
threatened against Parent or any of its 
                                       28
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subsidiaries,  except  for suits,  actions,  arbitrations,  demands,  claims and
proceedings  which could not reasonably be expected to have,  individually or in
the aggregate,  a Material  Adverse Effect on Parent;  nor is there any material
judgment,  decree,  injunction,  rule or order  of any  Governmental  Entity  or
arbitrator outstanding against Parent or any of its subsidiaries.

         4. 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  pursuant to its terms and the Effective  Time, the Company (which for
the  purposes  of this  Section  4.1 shall  include  the Company and each of its
subsidiaries)  agrees,  except to the extent that Parent shall otherwise consent
in writing (which  consent shall not be  unreasonably  withheld or delayed),  to
carry on its business in the usual, regular and ordinary course in substantially
the same  manner as  heretofore  conducted,  to timely  pay its debts and Taxes,
subject to good faith disputes over such debts or taxes, and on the same payment
terms  such  debts and  taxes  have  historically  been  paid,  to  collect  its
receivables  in the same  manner  and on the same terms  such  receivables  have
historically been collected, to timely pay or perform other material obligations
when due, and to use all commercially  reasonable  efforts  consistent with past
practices  and  policies  to  preserve  intact the  Company's  present  business
organizations, keep available the services of its present officers and employees
and  preserve  its  relationships  with  customers,   suppliers,   distributors,
licensors,  licensees,  and others having business dealings with the Company, to
the end that the Company's  goodwill and ongoing businesses be unimpaired at the
Effective  Time.  The  Company  shall  promptly  notify  Parent  of any event or
occurrence  not in the  ordinary  course of business of the  Company.  Except as
expressly  provided  for by  this  Agreement  or as  set  forth  on the  Company
Schedules,  the  Company  shall  not,  prior to the  Effective  Time or  earlier
termination of this Agreement  pursuant to its terms,  without the prior written
consent of Parent (which consent shall not be unreasonably withheld or delayed):

                  (a) Except as  required  by the  Company's  benefit  plans and
         agreements, accelerate, amend or change the period of exercisability of
         options or  restricted  stock,  or reprice  options  granted  under the
         Company  Stock Option Plans or authorize  cash payments in exchange for
         any options granted under any of such plans;

                  (b) Enter into any partnership  agreements,  joint development
         agreements or strategic alliance agreements;

                  (c)  Except  as  required  by the  Company  Plans,  grant  any
         severance or  termination  pay (i) to any executive  officer or (ii) to
         any  other  employee  except  payments  made  in  connection  with  the
         termination  of  employees  who are not  executive  officers in amounts
         consistent  with  Parent's  policies and past  practices or pursuant to
         written  agreements  outstanding,  or  policies  existing,  on the date
         hereof and as previously  disclosed in writing to Parent or pursuant to
         written agreements  consistent with the Company's past agreements under
         similar circumstances;
                                       29
<PAGE>
                  (d) Other than in the ordinary course of business, transfer or
         license to any person or entity or  otherwise  extend,  amend or modify
         any  rights to the  Company  Intellectual  Property  Rights  (including
         rights to resell or relicense the Company Intellectual Property Rights)
         or enter into grants to future patent rights,  other than the Company's
         standard forms of End-User Licenses entered into in the ordinary course
         of business consistent with past practices;

                  (e)  Commence  any  litigation  other than (i) for the routine
         collection of bills,  (ii) for software piracy,  or (iii) 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 Parent consults with the Company
         prior to the filing of such a suit (except  that the Company  shall not
         require the  approval  of, and shall not be  required to consult  with,
         Parent with  respect to any claim,  suit or  proceeding  by the Company
         against Parent or any of its affiliates);

                  (f)  Declare  or  pay  any  dividends  on or  make  any  other
         distributions (whether in cash, stock or property) in respect of any of
         its capital stock,  or split,  combine or reclassify any of its capital
         stock or issue or  authorize  the issuance of any other  securities  in
         respect of, in lieu of or in  substitution  for shares of capital stock
         of the Company;

                  (g) Repurchase or otherwise  acquire,  directly or indirectly,
         any shares of its capital stock;

                  (h)  Issue,  deliver  or  sell or  authorize  or  propose  the
         issuance,  delivery or sale of, any shares of its capital  stock of any
         class  or  securities  convertible  into,  or  subscriptions,   rights,
         warrants  or options to  acquire,  or enter  into other  agreements  or
         commitments of any character  obligating it to issue any such shares or
         other convertible securities,  other than (i) the issuance of shares of
         Company Capital Stock pursuant to the exercise of Company stock options
         or warrants therefor outstanding as of the date of this Agreement, (ii)
         up to 11,000 shares of Company  Capital Stock issuable to  participants
         in the Stock  Purchase  Plan  consistent  with the terms of that  Plan,
         (iii) shares of Company Capital Stock issuable  pursuant to the Company
         Rights Agreement,  and (iv) options to purchase up to 100,000 shares of
         Company Capital Stock granted to non-executive  officers of the Company
         in  the  ordinary  course  of  business,  provided  such  options  vest
         proportionately  over  a  four  year  period,  do  not  vest  upon  the
         consummation  of the  Merger  or any of the  transactions  contemplated
         hereby and have an  exercise  price  equal to the  market  value of the
         Company Common Stock on the date of grant;

                  (i) Cause,  permit or propose any  amendments to the Company's
         Certificate of Incorporation or Bylaws, or amend any Material Contract;

                  (j) Sell, lease, license, encumber or otherwise dispose of any
         of the Company's properties or assets which are material,  individually
         or in the  aggregate,  to the  business of the  Company,  except in the
         ordinary course of business consistent with past practice;
                                       30
<PAGE>
                  (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 or warrants or rights
         to  acquire  debt  securities  of the  Company  or  guarantee  any debt
         securities of others;

                  (l) Except as required by law, adopt or amend any Company Plan
         or increase the salaries or wage rates of any of its employees  (except
         for wage  increases in the ordinary  course of business and  consistent
         with  past  practices),  including  but not  limited  to  (but  without
         limiting the generality of the foregoing), the adoption or amendment of
         any stock  purchase or option plan, the entering into of any employment
         contract or the payment of any special bonus or special remuneration to
         any director or employee,  other than bonuses  reflected on the balance
         sheet included in the December 31st  Financials and bonuses  payable in
         the ordinary course of business pursuant to the provisions contained in
         the Company Schedules;

                  (m) Revalue any of the  Company's  assets,  including  without
         limitation  writing down the value of  inventory,  writing off notes or
         accounts  receivable  other  than in the  ordinary  course of  business
         consistent with past practice or waive any right of material value;

                  (n) Pay,  discharge  or  satisfy  in an  amount  in  excess of
         $100,000 (in any one case) or $250,000 (in the  aggregate),  any claim,
         liability or obligation  (absolute,  accrued,  asserted or  unasserted,
         contingent or  otherwise),  including,  without  limitation,  under any
         employment   contract   or  with   respect  to  any  bonus  or  special
         remuneration,  other than the payment, discharge or satisfaction in the
         ordinary  course of business of  liabilities  of the type  reflected or
         reserved against in the Company Financials (or the notes thereto);

                  (o) Except as required by  applicable  Tax law, make or change
         any  material  election  in  respect  of Taxes,  adopt or change in any
         material  respect any accounting  method in respect of Taxes,  file any
         material Return or any amendment to a material  Return,  enter into any
         closing  agreement,  settle any claim or assessment in respect of Taxes
         (except settlements  effected solely through payment of immaterial sums
         of  money),  or consent to any  extension  or waiver of the  limitation
         period applicable to any claim or assessment in respect of Taxes;

                  (p) Intentionally take any action,  including the acceleration
         of vesting  (except as  contemplated  under the  Company  Stock  Option
         Plans) of any options,  warrants,  restricted  stock or other rights to
         acquire  shares  of  the  Company's  Capital  Stock,   which  would  be
         reasonably likely to interfere with Parent's ability to account for the
         Merger as a pooling of interests; or

                  (q) Take, or agree in writing or otherwise to take, any of the
         actions  described in Section 4.1(a)  through (p) above,  or any action
         which  would  cause or would be  reasonably  likely to cause any of the
         conditions  to the Merger set forth in Sections  6.1 or 6.3,  not to be
         satisfied.
                                       31
<PAGE>
         4.2  CONDUCT  BY  PARENT.  Except  as  expressly  provided  for by this
Agreement,  Parent shall not, prior to the Effective Time or earlier termination
of this Agreement  pursuant to its terms,  without the prior written  consent of
the Company (which consent shall not be unreasonably withheld or delayed), adopt
any  amendments to its  Certificate of  Incorporation,  or take any other action
requiring a vote of the holders of Parent Common Stock,  which would  materially
adversely affect the terms and provisions of the Parent Common Stock or take, or
agree in writing or otherwise to take, any of the foregoing actions.

         5. ADDITIONAL AGREEMENTS

         5.1 PROXY STATEMENT/PROSPECTUS;  REGISTRATION STATEMENT. As promptly as
practicable after the execution of this Agreement,  Parent and the Company shall
prepare, and file with the SEC, the Proxy Statement and Parent shall prepare and
file with the SEC the  Registration  Statement in which the Proxy Statement will
be  included  as a  prospectus.  Each of the  Parent and  Company  shall use its
reasonable best efforts to have the Registration Statement declared effective as
soon thereafter as  practicable;  provided,  however,  that Parent shall have no
obligation  to agree to account for the Merger as a "purchase" in order to cause
the  Registration  Statement  to become  effective.  The Proxy  Statement  shall
include the fairness opinion of Piper Jaffray Inc.  referred to in Section 2.25.
The Proxy  Statement  shall  also  include  the  recommendation  of the Board of
Directors  of the Company in favor of the Merger  which shall not be  withdrawn,
modified or  withheld  except in  compliance  with the  fiduciary  duties of the
Company's Board under applicable law, subject to Section 5.4(c).

         5.2  MEETING  OF  STOCKHOLDERS.  Promptly  after the date  hereof,  and
subject to the  fiduciary  duties of the Board of Directors of the Company under
applicable  law and also subject to Section  5.4(c),  the Company shall take all
action  necessary in  accordance  with the Delaware Law and its  Certificate  of
Incorporation and Bylaws to convene the Company Stockholders' Meeting to be held
as promptly as practicable for the purpose of voting upon this Agreement and the
Merger.

         5.3   ACCESS TO INFORMATION; CONFIDENTIALITY.

                  (a)  Each  party   shall   afford  the  other  party  and  its
         accountants, counsel and other representatives reasonable access during
         normal  business hours during the period prior to the Effective Time to
         all  information  concerning  the  business,  including  the  status of
         product development efforts,  properties and personnel of such party as
         the other party may  reasonably  request.  No  information or knowledge
         obtained in any investigation pursuant to this Section 5.3 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.

                  (b) The parties  acknowledge  that Parent and the Company have
         previously executed  Confidentiality  Agreements (the  "Confidentiality
         Agreements"),  which Confidentiality  Agreements shall continue in full
         force and effect in accordance  with their  respective  terms and which
         Confidentiality Agreements shall be applicable to any
         information obtained pursuant to Section 5.3(a).
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<PAGE>
         5.4   NO SOLICITATION.

                  (a)  From  and  after  the date of this  Agreement  until  the
         Effective  Time  or  the  earlier  termination  of  this  Agreement  in
         accordance with its terms, the Company and its  subsidiaries  will not,
         and will not permit their respective  directors,  officers,  investment
         bankers  and  affiliates  to, and will use their best  efforts to cause
         their respective  employees,  representatives  and other agents not to,
         directly or indirectly,  (i) solicit or knowingly encourage  submission
         of any  inquiries,  proposals  or offers by,  (ii)  participate  in any
         negotiations with, (iii) afford any access to the properties,  books or
         records of the Company or any of its subsidiaries to, or (iv) otherwise
         knowingly assist,  facilitate or encourage, or enter into any agreement
         or understanding with, any person,  entity or group (other than Parent,
         Merger  Sub and  their  affiliates,  agents  and  representatives),  in
         connection  with any  Acquisition  Proposal.  For the  purposes of this
         Agreement,  an "Acquisition  Proposal" shall mean any proposal relating
         to the possible  acquisition of the Company,  whether by way of merger,
         purchase of capital  stock of the Company  representing  25% or more of
         the  voting  power  or  equity  of  the  Company,  purchase  of  all or
         substantially  all of the assets of the Company  and its  subsidiaries,
         taken as a whole, or otherwise.  In addition,  subject to the Company's
         rights  under  paragraph  (c)  hereof,  from and after the date of this
         Agreement  until the Effective Time or the earlier  termination of this
         Agreement  in   accordance   with  its  terms,   the  Company  and  its
         subsidiaries will not, and will not permit their respective  directors,
         officers, investment bankers and affiliates to, and will use their best
         efforts to cause their respective employees,  representatives and other
         agents not to,  directly or  indirectly,  make or authorize  any public
         statement, recommendation or solicitation in support of any Acquisition
         Proposal made by any person,  entity or group (other than Parent and/or
         Merger Sub).  The Company will  immediately  cease any and all existing
         activities,  discussions  or  negotiations  with any parties  conducted
         heretofore with respect to any of the foregoing.

                  (b)  Notwithstanding  the  provisions  of paragraph (a) above,
         prior  to  the  approval  of  this  Agreement  and  the  Merger  by the
         stockholders  of the  Company  at the  Company  Stockholders'  Meeting,
         nothing  contained  in this  Agreement  shall  prevent the Company from
         furnishing   information  concerning  the  Company  and  its  business,
         properties  and  assets  (but  not  encouraging  the  request  for such
         information)  to, and  participating in any negotiations or discussions
         with,  any third party,  provided that (i) such third party has made an
         Acquisition Proposal, or indicated an interest in making an Acquisition
         Proposal, and the Board of Directors of the Company determines,  in its
         good faith  reasonable  judgment,  that such Acquisition  Proposal,  if
         consummated, is reasonably likely to constitute a Superior Proposal (as
         hereinafter defined),  (ii) the Company notifies Parent within 24 hours
         of any  disclosure of non-public  information  to any such third party,
         with a description of the  information  to be disclosed,  and (iii) the
         Company   provides   such   non-public   information   pursuant   to  a
         confidentiality    agreement   at   least   as   restrictive   as   the
         Confidentiality  Agreement.  Notwithstanding the foregoing, the Company
         may not provide any non-public information to any third party if it has
         not provided such  information  to Parent or Parent's  representatives.
         "Superior  Proposal" shall mean a bona fide Acquisition  Proposal which
         the Board of  Directors  of the  Company in its good  faith  reasonable
         judgment determines,  after consultation with its independent financial
         advisor, to be more favorable to the stockholders of the Company from a
         financial point of view than the Merger and for which financing, to 
                                       33
<PAGE>
         the extent  required,  is then  committed  or which,  in the good faith
         reasonable  judgment of the Board of  Directors  of the Company  (based
         upon the advice of its independent  financial  advisor),  is reasonably
         capable of being financed by such person,  entity or group and which is
         likely to be consummated.

                  (c) In the event the  Company  receives a  Superior  Proposal,
         nothing  contained  in  this  Agreement  shall  prevent  the  Board  of
         Directors of the Company from  accepting  or  approving  such  Superior
         Proposal and nothing  contained  in this  Agreement  shall  prevent the
         Board  of  Directors  of  the  Company  and  its  directors,  officers,
         employees,  representatives,  investment bankers,  agents or affiliates
         from recommending such Superior Proposal to the Company's stockholders;
         in  such  case,   the  Board  may  amend,   withhold  or  withdraw  its
         recommendation of the Merger, decline to hold the Company Stockholders'
         Meeting or exercise its termination  rights  hereunder.  Subject to the
         right of termination set forth in Section 7.1(f),  except to the extent
         expressly  set forth in this Section  5.4,  nothing  shall  relieve the
         Company from complying with all other terms of this Agreement.  Nothing
         contained  in  this  paragraph  (c)  shall  affect  Parent's  right  to
         terminate  this  Agreement  pursuant  to Section  7.1 or the  Company's
         obligations under Sections 5.5(c) and 5.6.

                  (d) The Company will (i) notify  Parent within 24 hours if any
         proposal  is  made  or  any  information  or  access  is  requested  in
         connection  with an  Acquisition  Proposal  and  (ii)  within  24 hours
         communicate  to Parent the principal  terms and  conditions of any such
         Acquisition Proposal or potential  Acquisition Proposal or inquiry (but
         not the  identity of the offeror or  potential  offeror) and a list and
         description  of any  information  provided to the offeror or  potential
         offeror.

                  (e) Nothing  contained in this  Section 5.4 shall  prevent the
         Company or its Board of Directors from complying with the provisions of
         Rule 14e-2 and 14d-9 promulgated under the Exchange Act.

         5.5   EXPENSES.

                  (a)  Except as set  forth in this  Section  5.5,  all fees and
         expenses incurred in connection with the Agreement and the transactions
         contemplated hereby shall be paid by the party incurring such expenses,
         whether or not the Merger is consummated.

                  (b) In connection  with any claim,  dispute,  disagreement  or
         other conflict involving the enforcement of this Article V, the parties
         agree that the prevailing  party shall be reimbursed by the other party
         for all reasonable  attorneys'  fees and costs and expenses  associated
         with such conflict.

                  (c) If this Agreement is terminated pursuant to Section 7.1(e)
         because the Merger has not been  consummated as a result of the failure
         to satisfy the condition set forth in Section 6.3(k),  then the Company
         shall pay,  or  reimburse  Parent,  for all  Expenses  (as  hereinafter
         defined),  provided  that Parent is not then in material  breach of the
         terms of this Agreement.
                                       34
<PAGE>
         5.6   BREAK-UP FEE.

                  (a) If  this  Agreement  is  terminated  pursuant  to  Section
         7.1(b)(ii),  7.1(b)(iii), or 7.1(c)(iii), then, provided that Parent is
         not then in material breach of the terms of this Agreement, the Company
         shall pay to Parent,  within five (5) business days following  Parent's
         written request, therefor the aggregate sum of $1,000,000 plus Expenses
         (as  hereinafter  defined) by wire  transfer of  immediately  available
         funds to an account  designated by Parent.  In addition,  if (i) within
         nine  months  after  such  termination,  the  Company  or  any  of  its
         subsidiaries enters into a definitive agreement for the consummation of
         an  Acquisition  Proposal  with a  person  or  entity  who had  made an
         Acquisition  Proposal or indicated an interest in making an Acquisition
         Proposal after the date of this Agreement but prior to the  termination
         of this Agreement or (ii) within six months after such termination, the
         Company or any of its subsidiaries enters into an definitive  agreement
         for the  consummation  of an  Acquisition  Proposal  with any person or
         entity,  then  the  Company  shall  pay  to  Parent,  within  five  (5)
         businesses days following Parent's written request therefor, $3,000,000
         by  wire  transfer  of  immediately   available  funds  to  an  account
         designated  by Parent,  provided  that  Parent is not then in  material
         breach of the terms of this Agreement. "Expenses" shall mean all of the
         reasonable out- of-pocket expenses of Parent, including but not limited
         to attorneys' fees,  accounting fees,  financial  printer fees,  filing
         fees and fees and expenses of financial advisors, in each case incurred
         in connection  with this Agreement and the Merger,  provided,  however,
         that Parent shall have  provided  reasonable  supporting  documentation
         (such as invoices and receipts) to the Company for such  Expenses;  and
         provided  further,  that in no event  shall  the  aggregate  amount  of
         Expenses payable by the Company pursuant to this Section 5.6 or Section
         5.5(c) exceed $1,500,000.

                  (b) If this Agreement is terminated pursuant to Section 7.1(f)
         hereto,  then,  provided that Parent is not then in material  breach of
         the terms of this Agreement,  the Company shall pay to Parent, prior to
         the  termination  of this  Agreement  pursuant to Section  7.1(f),  the
         aggregate  sum  of  $4,000,000   plus  Expenses  by  wire  transfer  of
         immediately  available funds to an account designated by Parent.  Under
         no  circumstances  shall the  Company be required to pay to Parent more
         than the aggregate of $4,000,000 plus Expenses pursuant to this Section
         5.6.  The  foregoing  sentence  shall not limit in any manner  Parent's
         remedies for a breach by the Company of this Agreement.


         5.7 PUBLIC  DISCLOSURE.  Parent and the Company shall consult with each
other before issuing any press release or otherwise  making any public statement
with respect to the Merger or this  Agreement and shall not issue any such press
release or make any such public statement prior to such consultation,  except as
may be  required  by law or any  listing  agreement  with a national  securities
exchange or the Nasdaq National Market.

         5.8  POOLING  ACCOUNTING.  Parent  and the  Company  shall each use its
reasonable  commercial efforts to cause the business  combination to be effected
by the Merger to be accounted for as a pooling of interests.  Each of Parent and
the Company shall use its reasonable  commercial efforts to cause its Affiliates
(as defined in Section 5.10) not to take any action that would 
                                       35
<PAGE>
adversely  affect the ability of Parent to account for the business  combination
to be effected by the Merger as a pooling of interests.

         5.9 AUDITORS' LETTERS. The Company shall use its reasonable  commercial
efforts to cause to be delivered to the Company (with a copy to Parent) a letter
of Arthur Andersen LLP, independent auditors to the Company, dated a date within
two business days before the date on which the  Registration  Statement  becomes
effective, in form and substance reasonably satisfactory to Parent and customary
in scope and substance for letters delivered by independent  public  accountants
in  connection  with  registration   statements   similar  to  the  Registration
Statement. The Parent shall use its reasonable commercial efforts to cause to be
delivered  to Parent  (with a copy to the Company) a letter of KPMG Peat Marwick
LLP,  independent  auditors to the Parent, dated a date within two business days
before the date on which the Registration  Statement becomes effective,  in form
and substance reasonably  satisfactory to the Company and customary in scope and
substance for letters delivered by independent  public accountants in connection
with registration statements similar to the Registration Statement.

         5.10 AFFILIATE AGREEMENTS. Set forth respectively in Parent's Schedules
and the  Company's  Schedules is a list of those persons who are, in Parent's or
the Company's reasonable judgment, as the case may be, "Affiliates" of Parent or
the  Company,  as the case may be,  within  the  meaning  of Rule 145 (each such
person who is an "affiliate" of Parent or the Company within the meaning of Rule
145 is referred  to as an  "Affiliate")  promulgated  under the  Securities  Act
("Rule  145").  Each of Parent  and the  Company  shall  provide  the other such
information and documents as the other shall reasonably  request for purposes of
reviewing such list. The Company shall use its reasonable  commercial efforts to
deliver or cause to be  delivered to Parent,  within  thirty (30) days after the
date hereof,  from each of the Affiliates of the Company,  an executed Affiliate
Agreement in the form attached  hereto as Exhibit B (each, a "Company  Affiliate
Agreement" and, collectively, the "Company Affiliate Agreements").  Parent shall
use its  reasonable  best  efforts to deliver  or cause to be  delivered  to the
Company,  within thirty (30) days after the date hereof, an Affiliate Agreement,
executed by each of the  Affiliates of Parent,  in the form  attached  hereto as
Exhibit C (the "Parent Affiliate Agreement").  Parent shall be entitled to place
appropriate legends on the certificates evidencing any Parent Common Stock to be
received  by such  Affiliates  of the  Company  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 the  Company
Affiliate Agreements.

         5.11 LEGAL  REQUIREMENTS.  Each of Parent,  Merger Sub and the  Company
will take all reasonable  actions necessary or desirable to comply promptly with
all  legal  requirements  which  may be  imposed  on them  with  respect  to the
consummation  of the  transactions  contemplated  by this  Agreement  (including
furnishing all  information  required  under the HSR Act and in connection  with
approvals of or filings with any Governmental  Entity,  and prompt resolution of
any  litigation  prompted  hereby) and will promptly  cooperate with and furnish
information  to  any  party  hereto   necessary  in  connection  with  any  such
requirements  imposed  upon  any of them or  their  respective  subsidiaries  in
connection  with  the  consummation  of the  transactions  contemplated  by this
Agreement,  and will take all reasonable  actions  necessary to obtain (and will
cooperate  with the other parties  hereto in obtaining)  any consent,  approval,
order or authorization of, or any registration,  declaration or filing with, any
Governmental  Entity or other  public or  private  third
                                       36
<PAGE>
party required to be obtained or made in connection with the Merger or taking of
any action contemplated by this Agreement.

         5.12 BLUE SKY LAWS. Parent shall take such steps as may be necessary to
comply  with the  securities  and blue sky laws of all  jurisdictions  which are
applicable to the issuance of Parent Common Stock pursuant  hereto.  The Company
shall use its reasonable commercial efforts to assist Parent as may be necessary
to comply with the securities and blue sky laws of all  jurisdictions  which are
applicable  in  connection  with the issuance of Parent  Common  Stock  pursuant
hereto.

         5.13   REASONABLE COMMERCIAL EFFORTS AND FURTHER ASSURANCES.

                  (a) Subject to the  exercise  of the  Company's  rights  under
         Section 5.4 hereof,  each of the parties to this  Agreement  shall each
         use its reasonable  commercial  efforts to effectuate the  transactions
         contemplated  hereby as expeditiously as reasonably  practicable and to
         fulfill and cause to be fulfilled the  conditions to closing under this
         Agreement  (including  resolution of any litigation  prompted  hereby).
         Subject to the  exercise  of the  Company's  rights  under  Section 5.4
         hereof,  each party hereto, at the reasonable  request of another 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 the transactions  contemplated
         hereby.

                  (b) If  requested  by  Parent  to  deliver  the  Clarification
         Agreements (as hereinafter defined) contemplated by Section 6.3(k), the
         Company  shall  consult  with Parent and shall use its best  efforts to
         negotiate agreements for delivery of the Clarification  Agreements that
         are on terms most favorable to Parent and the Company after the Merger.
         If the Company  negotiates any  agreements  that require it to waive or
         modify its existing rights to future contingent payments (provided such
         agreement  does not require the  Company or any  subsidiary  to pay any
         other  amounts)  in  order  to  obtain  any   Clarification   Agreement
         contemplated by Section 6.3(k),  Parent will either (a) consent to such
         agreement and waive the requirement of Section  6.3(k)(ii) or (b) waive
         the condition in Sections 6.3(k)(i) and (ii).

         5.14   CERTAIN BENEFIT PLANS.

                  (a) Parent agrees that it will cause the Surviving Corporation
         from and after the  Effective  Time to honor all Company  Plans and all
         employment  agreements  entered  into by the Company  prior to the date
         hereof;  provided,  however,  that nothing in this  Agreement  shall be
         interpreted   as  limiting  the  power  of  Parent  or  the   Surviving
         Corporation  to  amend  or  terminate  any  Company  Plan or any  other
         individual  employee benefit plan,  program,  agreement or policy or as
         requiring  Parent or the  Surviving  Corporation  to offer to  continue
         (other than as required by its terms) any written employment  contract.
         As soon as administratively  practicable  following the Effective Time,
         Parent shall cause all  employees  of the Company and its  subsidiaries
         then  actually  at  work  ("Company  Employees")  to be  covered  under
         employee  benefit and fringe  benefit  plans,  programs,  policies  and
         arrangements  that are  substantially  the same as the employee
                                       37
<PAGE>
         benefit  plans,   programs,   policies  and  arrangements  that  Parent
         maintains for similarly situated employees of Parent  ("Parent-Provided
         Plans").

                  (b) All service of a Company Employee taken into account prior
         to the  Effective  Time under any Company Plan shall,  on and after the
         Effective Time, be taken into account as service with the Parent or any
         of its  subsidiaries  (as  applicable)  for purposes of  eligibility to
         participate  and  vesting  and  accrual of  benefits  under any similar
         Parent-Provided  Plan;  provided,  however,  that a Company  Employee's
         service prior to the Effective  Time shall not be taken into account as
         service  for  purposes  of the  accrual of  benefits  under any defined
         benefit pension plan maintained by Parent or any of its subsidiaries on
         or after the  Effective  Time.  Parent shall cause all  Parent-Provided
         Plans to (i) waive any  pre-existing  condition  limitations  otherwise
         applicable  on and after the  Effective  Time to the  extent  that such
         conditions  are covered under Company  Plans  immediately  prior to the
         Effective  Time and (ii) provide that any expenses  incurred by Company
         Employees (and their dependents)  during the plan year within which the
         Effective  Time  occurs  shall be taken into  account  for  purposes of
         satisfying applicable deductible, coinsurance and maximum out-of-pocket
         provisions (and like  adjustments or limitations on coverage) under the
         Parent-Provided  Plans.  Any  salary  reduction  elections  of  Company
         Employees  under a flexible  spending  plan  maintained  by the Company
         pursuant to section 125 of the Code prior to the  Effective  Time shall
         continue in effect under any similar  Parent-Provided Plan on and after
         the Effective Time, and any amounts credited and debited to accounts of
         such  employees  under such Company Plan as of the Effective Time shall
         be  credited  and  debited  to  such  employees'  accounts  under  such
         Parent-Provided Plan.

         5.15  TAX-FREE  REORGANIZATION.  Parent and the Company  shall each use
reasonable   commercial  efforts  to  cause  the  Merger  to  be  treated  as  a
reorganization within the meaning of Section 368 of the Code.

         5.16 NASDAQ  LISTING.  Parent  agrees to  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 INDEMNIFICATION.  From and after the Effective Time, Parent shall,
and  shall  cause the  Surviving  Corporation  to,  indemnify,  defend  and hold
harmless (and advance expenses to) all past and present officers,  directors and
employees of the Company and of its subsidiaries to the same extent such persons
are indemnified as of the date of this Agreement by the Company  pursuant to any
agreements  between the Company and any such person and the  Company's  Restated
Certificate of Incorporation and By-Laws,  for acts or omissions occurring at or
prior to the  Effective  Time. In the event of any dispute  regarding  whether a
director,  officer  or  employee  has met the  standards  of  conduct  set forth
therein,  such question shall be conclusively  determined by the written opinion
of reputable  disinterested  legal counsel  selected by the  Company's  Board of
Directors.  Any heirs or legal representatives  entitled to the benefits of such
indemnification  shall be  deemed  express  third  party  beneficiaries  of this
Section 5.17.
                                       38
<PAGE>
         5.18 NOTIFICATION. Between the date of this Agreement and the Effective
Time,  each party will promptly  notify the other party in writing if such party
becomes  aware of any fact or condition  that causes or  constitutes a breach of
any of  such  party's  representations  and  warranties  as of the  date of this
Agreement,  or if such party becomes aware of the  occurrence  after the date of
this  Agreement of any fact or condition that would cause or constitute a breach
of any such  representation or warranty had such representation or warranty been
made as of the time of occurrence or discovery of such fact or condition.

         5.19   COMPANY STOCK OPTIONS; EMPLOYEE STOCK PURCHASE PLAN.

                  (a) Not later than the Effective Time, each option to purchase
         Company  Capital Stock  ("Company  Stock  Option") which is outstanding
         immediately prior to the Effective Time pursuant to the Company's stock
         option plans (other than any "stock  purchase  plan" within the meaning
         of Section 423 of the Code) in effect on the date hereof (the  "Company
         Stock Option  Plans")  shall become and represent an option to purchase
         the number of shares of Parent  Common  Stock (a  "Substitute  Option")
         (decreased to the nearest full share) determined by multiplying (i) the
         number of shares of Company Capital Stock subject to such Company Stock
         Option  immediately  prior to the  Effective  Time by (ii) the Exchange
         Ratio,  at an exercise  price per share of Parent Common Stock (rounded
         up to the  nearest  tenth of a cent)  equal to the  exercise  price per
         share of Company Capital Stock  immediately prior to the Effective Time
         divided  by the  Exchange  Ratio.  Parent  shall pay cash to holders of
         Company  Stock Options in lieu of issuing  fractional  shares of Parent
         Common  Stock upon the  exercise  of  Substitute  Options for shares of
         Parent  Common  Stock,  unless in the  judgment of Parent such  payment
         would adversely  affect the ability to account for the Merger under the
         pooling  of  interests  method.  After the  Effective  Time,  except as
         provided above in this Section 5.19,  each  Substitute  Option shall be
         exercisable upon the same terms and conditions as were applicable under
         the related  Company  Stock Option  immediately  prior to the Effective
         Time (including  that all such Substitute  Options shall be immediately
         exercisable  pursuant  to the terms of such  Stock  Option  Plan).  The
         Company agrees that it will not grant any stock appreciation  rights or
         limited stock appreciation  rights and will not permit cash payments to
         holders of Company Stock Options in lieu of the  substitution  therefor
         of Substitute Options, as described in this Section 5.19.

                  (b) The Company  shall not  commence  any  "offering  periods"
         under its Amended and Restated Employee Stock Purchase Plan (the "Stock
         Purchase Plan") after March 31, 1998,  shall apply all amounts deducted
         and withheld thereunder to purchase shares of the Company Capital Stock
         in accordance  with the  provisions  thereof,  and shall  terminate the
         Stock  Purchase  Plan as of the  Effective  Time.  Parent shall have no
         obligation or duty in respect of the Stock  Purchase Plan or the rights
         granted thereunder.

         6. 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 Effective  Time of the
following conditions:
                                       39
<PAGE>
                  (a) Stockholder Approval.  This Agreement and the Merger shall
         have been approved and adopted by the requisite  vote under  applicable
         law of the stockholders of the Company.

                  (b)  Registration  Statement  Effective.  The SEC  shall  have
         declared the Registration Statement effective. No stop order suspending
         the  effectiveness  of the  Registration  Statement or any part thereof
         shall  have been  issued and no  proceeding  for that  purpose,  and no
         similar  proceeding in respect of the Proxy Statement,  shall have been
         initiated  or  threatened  in writing by the SEC;  and all requests for
         additional  information on the part of the SEC shall have been complied
         with to the reasonable satisfaction of the parties hereto.

                  (c)  No   Injunctions.   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) HSR Act. Any  applicable  waiting period under the HSR Act
         shall have expired or been terminated.

                  (e) Opinion of Accountants. (i) Arthur Andersen LLP shall have
         delivered a letter to the  Company,  in form and  substance  reasonably
         satisfactory  to the Company and Parent,  that the Company is an entity
         that can participate in a merger that qualifies for pooling of interest
         accounting treatment under Accounting  Principles Board Opinion No. 16,
         and (ii) KPMG Peat Marwick LLP shall have delivered a letter to Parent,
         in form and  substance  reasonably  satisfactory  to  Parent,  that the
         Merger will qualify for pooling of interests accounting treatment under
         Accounting Principles Board Opinion No. 16 if consummated in accordance
         with this Agreement.

                  (f) 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   (including  the  Substitute   Options)  shall  have  been
         authorized  for listing on the Nasdaq  National  Market  upon  official
         notice of issuance.

         6.2  ADDITIONAL   CONDITIONS  TO   OBLIGATIONS  OF  THE  COMPANY.   The
obligations  of the  Company to  consummate  and effect this  Agreement  and the
transactions  contemplated  hereby  shall be subject to the  satisfaction  at or
prior to the Effective  Time of each of the following  conditions,  any of which
may be waived, in writing, exclusively by the Company:
                                       40
<PAGE>
                  (a) Representations and Warranties.

                           (i) The  representations and warranties of Parent and
                  Merger Sub contained in this  Agreement  that are qualified by
                  materiality  shall be true  and  correct  as of the  Effective
                  Time,  as if made  on and as of the  Effective  Time,  and the
                  representations  and  warranties  of  Parent  and  Merger  Sub
                  contained in this Agreement that are not so qualified shall be
                  true and correct in all material  respects as of the Effective
                  Time,  as if made on and as of the Effective  Time,  except in
                  each  case for  those  representations  and  warranties  which
                  address  matters  only as of a  particular  date (which  shall
                  remain true and correct as of such date).

                           (ii) All representations and warranties of Parent and
                  Merger Sub (without taking into account any qualifications for
                  materiality  or Material  Adverse  Effect on Parent)  shall be
                  true and  correct in all  respects as if made on and as of the
                  Effective  Time,  except  for (A)  those  representations  and
                  warranties  which address matters only as of a particular date
                  (which  shall remain true and correct as of such date) and (B)
                  such  exceptions  that in the aggregate do not have a Material
                  Adverse  Effect on Parent or a material  adverse effect on the
                  Parent's or Merger Sub's ability to consummate the Merger.

                           (iii)The Company shall have received a certificate to
                  the  foregoing  effect  signed  on  behalf  of  Parent  by the
                  President and Chief Financial Officer of Parent.

                  (b) Agreements and Covenants. Parent and Merger Sub shall have
         performed or complied in all materials  respect 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 the foregoing  effect signed by the President
         and Chief Financial Officer of Parent.

                  (c) Tax Opinion. The Company shall have received a tax opinion
         from  Sidley  &  Austin,  legal  counsel  to the  Company,  in form and
         substance reasonably  satisfactory to the Company,  dated the Effective
         Time,  substantially  to the  effect  that,  on  the  basis  of  facts,
         representations  and  assumptions  set forth in such  opinion  that are
         consistent  with the state of facts existing as of the Effective  Time,
         for federal income tax purposes:

                             (i) the Merger will  constitute a  "reorganization"
                  within  the  meaning of  Section  368(a) of the Code,  and the
                  Company,  Merger Sub and  Parent  will each be a party to such
                  reorganization  within the  meaning  of Section  368(b) of the
                  Code;

                            (ii) no gain or loss will be  recognized  by Parent,
                  Merger Sub or the Company as a result of the Merger;

                           (iii)no  gain  or  loss  will  be  recognized  by the
                  stockholders of the Company upon the exchange of their Company
                  Capital  Stock  solely  for  shares  of  Parent  Common  Stock
                  pursuant to the Merger,  except with respect to cash,  if any,
                  received in lieu of fractional shares of Parent Common Stock;
                                       41
<PAGE>
                           (iv) the  aggregate tax basis of the shares of Parent
                  Common Stock received  solely in exchange for Company  Capital
                  Stock pursuant to the Merger  (including  fractional shares of
                  Parent  Common Stock for which cash is  received)  will be the
                  same as the aggregate  tax basis of the Company  Capital Stock
                  exchanged therefor;

                           (v) the  holding  period for shares of Parent  Common
                  Stock  received  solely in exchange for Company  Capital Stock
                  pursuant to the Merger will include the holding  period of the
                  Company  Capital  Stock  exchanged  therefor,   provided  such
                  Company  Capital  Stock  was  held as a  capital  asset by the
                  stockholder at the Effective Time; and

                           (vi) a  stockholder  of the Company who receives cash
                  in lieu of a  fractional  share of Parent  Common  Stock  will
                  recognize  gain  or  loss  equal  to the  difference,  if any,
                  between such  stockholder's tax basis in such fractional share
                  (as  described  in clause  (iv)  above) and the amount of cash
                  received.


         In rendering  such  opinion,  Sidley & Austin may receive and rely upon
         representations contained in a certificate of the Company substantially
         in the form of the  Company  Tax  Certificate  attached  to the Company
         Schedules,  a certificate  of Parent  substantially  in the form of the
         Parent  Tax   Certificate   attached  to  the  Parent   Schedules   and
         representations  contained  in other  appropriate  certificates  of the
         Company, Parent and others.

                  (d) Material Adverse Effect. Since the date of this Agreement,
         there shall not have occurred any Material Adverse Effect on Parent.

                  (e) Affiliate  Agreements.  Each of the parties  identified by
         Parent  pursuant to Section 5.10 hereof as being an Affiliate of Parent
         shall have  executed,  and Parent shall have  delivered to the Company,
         the Parent Affiliate Agreement which shall be in full force and effect.

                  (f) Governmental Consents. All consents,  approvals, orders or
         authorizations  of, or registrations,  declarations or filings with any
         Governmental Entity required by or with respect to the Company,  Parent
         or  any  of  their  respective  subsidiaries  in  connection  with  the
         execution  and delivery of this  Agreement or the  consummation  of the
         transactions  contemplated  hereby  shall have been  obtained  or made,
         except   for  such   consents,   approvals,   orders,   authorizations,
         registrations,  declarations  or filings  the failure to obtain or make
         could  not  reasonably  be  expected  to have,  individually  or in the
         aggregate, a Material Adverse Effect on the Company or Material Adverse
         Effect on the  Parent or  materially  impair the  Company's  ability to
         consummate the Merger.

                  (g) Fairness  Opinion.  If between the date of this  Agreement
         and the Effective Time,  Parent or any of its subsidiaries  shall enter
         into a definitive agreement relating to a possible acquisition by it of
         another business entity (whether by way of merger,  purchase of capital
         stock  or  assets  or  otherwise)  for an  equity  value at the date of
         execution in excess of $200 Million (a  "Qualifying  Subsequent  Parent
         Acquisition"), then the obligations of
                                       42
<PAGE>
         the  Company  to   consummate   and  effect  this   Agreement  and  the
         transactions  contemplated  hereby shall be subject to the satisfaction
         at or prior to the Effective Time (or such earlier date selected by the
         Company  subsequent to its being informed of the Qualifying  Subsequent
         Parent Acquisition) of the following additional condition, which may be
         waived, in writing,  exclusively by the Company. The Company shall have
         received a written  opinion  from Piper  Jaffray  Inc.  dated as of the
         Effective Time (or such earlier date selected by the Company subsequent
         to its being informed of the Qualifying  Subsequent Parent Acquisition)
         that,  after  taking into  account  the  Qualifying  Subsequent  Parent
         Acquisition,  the Exchange Ratio contemplated by this Agreement is fair
         to the Company's stockholders from a financial point of view.

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

                  (a) Representations and Warranties.

                           (i) The representations and warranties of the Company
                  contained in this  Agreement that are qualified by materiality
                  shall be true and correct as of the Effective Time, as if made
                  on and as of the Effective Time, and the  representations  and
                  warranties of the Company contained in this Agreement that are
                  not so  qualified  shall be true and  correct in all  material
                  respects as of the Effective Time, as if made on and as of the
                  Effective Time, except in each case for those  representations
                  and warranties  which address  matters only as of a particular
                  date (which shall remain true and correct as of such date).

                            (ii)  All  representations  and  warranties  of  the
                  Company  (without taking into account any  qualifications  for
                  materiality  or Material  Adverse Effect on the Company) shall
                  be true and  correct in all  respects  as if made on and as of
                  the Effective Time, except for (A) those  representations  and
                  warranties  which address matters only as of a particular date
                  (which  shall remain true and correct as of such date) and (B)
                  such  exceptions  that in the aggregate do not have a Material
                  Adverse Effect on the Company or a material  adverse effect on
                  the Company's ability to consummate the Merger.

                           (iii)Parent  and  Merger  Sub shall  have  received a
                  certificate  to the  foregoing  effect signed on behalf of the
                  Company by the  President and Chief  Financial  Officer of the
                  Company.

                  (b) Agreement 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 or complied with by it on or
         prior to the Effective  Time,  and the Parent and Merger Sub shall have
         received a certificate to the foregoing  effect signed by the President
         and Chief Financial Officer of the Company.
                                       43
<PAGE>
                  (c) Third  Party  Consents.  Parent  shall have  received  all
         written  consents,   assignments,   waivers,  authorizations  or  other
         certificates  necessary to provide for the  continuation  in full force
         and effect of any and all material  contracts and leases of the Company
         and for the Company to consummate the transactions contemplated hereby,
         except  where  the  failure  to  receive  such  consents,  assignments,
         waivers,  authorizations or certificates could not,  individually or in
         the aggregate, have a Material Adverse Effect on the Company.

                  (d) Material Adverse Effect. Since the date of this Agreement,
         there  shall  not have  occurred  any  Material  Adverse  Effect on the
         Company.

                  (e) Affiliate  Agreements.  Each of the parties  identified by
         the Company  pursuant to Section  5.10 hereof as being an  Affiliate of
         the  Company  shall  have  delivered  to  Parent  an  executed  Company
         Affiliate Agreement which shall be in full force and effect.

                  (f)   Non-Competition/Non-Solicitation   Agreement.   Each  of
         Terence M.  Graunke,  Thomas R.  Graunke,  Jay Sperco and Mark Rukavina
         shall  have  executed,  and the  Company  shall have  delivered  to the
         Parent, a  Non-Competition/Non-Solicitation  Agreement in substantially
         the form attached hereto as Exhibit D.

                  (g) Rights Plan. The Company Rights  Agreement shall have been
         amended to provide for the expiration of all outstanding Company Rights
         prior to the Effective Time, all  outstanding  Company Rights under the
         Company Rights Agreement shall expire in accordance with the provisions
         of the Company Rights Agreement, as so amended, no Company Rights shall
         have been triggered  prior to such  expiration and no shares of Company
         Capital  Stock or  Preferred  Stock  shall have been issued or issuable
         with respect to Company Rights.

                  (h) Transaction Expenses.  The Company shall have delivered to
         Parent  evidence  reasonably  acceptable to Parent that the Company and
         its  subsidiaries  have not  incurred  costs and  expenses in excess of
         $800,000 in the  aggregate (or  $2,000,000,  in the  aggregate,  in the
         event that (i) a third  party  commences  a hostile  tender or exchange
         offer  for the  Company  that the  board of  directors  of the  Company
         determines  to  contest,   (ii)  a  third  party  commences  litigation
         challenging the Merger or (iii) there shall have occurred an unexpected
         development  (other  than the  analysis,  negotiation  or pursuit of an
         Acquisition  Proposal  from a third party (except for the defense of an
         offer as set forth in (i) above))  which has prevented the parties from
         consummating  the Merger at the time that  similar  transactions  would
         customarily  be  expected  to  close)  for the costs  and  expenses  of
         lawyers,   accountants,   investment  bankers,  other  consultants  and
         representatives  and the costs and expenses of the printing and mailing
         of the finished  Proxy  Statement  to the  Company's  stockholders,  in
         connection  with the  preparation,  negotiation  and  execution of this
         Agreement and the completion of the transactions  contemplated  hereby,
         but excluding  the fees and expenses of Piper Jaffray Inc.  pursuant to
         the Piper Engagement Letter.

                  (i) Severance Agreements.  Each of Terence M. Graunke,  Thomas
         R. Graunke and Marc Pinto shall have delivered to Parent  evidence that
         all severance, change-of- 
                                       44
<PAGE>
         control or similar  arrangements  or  agreements  pursuant to which the
         Company or any of its  subsidiaries  is obligated  to make  payments to
         Terence M. Graunke, Thomas R. Graunke or Marc Pinto, respectively, upon
         a   change-of-control   or  termination   of  employment   following  a
         change-of-control  or otherwise  shall have been  terminated  as of the
         Effective Time.

                  (j) Governmental Consents. All consents,  approvals, orders or
         authorizations  of, or registrations,  declarations or filings with any
         Governmental Entity required by or with respect to the Company,  Parent
         or  any  of  their  respective  subsidiaries  in  connection  with  the
         execution  and delivery of this  Agreement or the  consummation  of the
         transactions  contemplated  hereby  shall have been  obtained  or made,
         except   for  such   consents,   approvals,   orders,   authorizations,
         registrations,  declarations  or filings  the failure to obtain or make
         could  not  reasonably  be  expected  to have,  individually  or in the
         aggregate, a Material Adverse Effect on the Company or Material Adverse
         Effect on the Parent or materially  impair the Parent's or Merger Sub's
         ability to consummate the Merger.

                  (k)  Existing  Non-Competition  Agreements.  If  requested  by
         Parent,  (i) the Company shall have  delivered to Parent  agreements in
         form and substance reasonably  acceptable to the Company and Parent and
         duly  executed by the parties to such  agreements,  clarifying  certain
         non-competition  covenants or agreements to which the Company or one of
         its  subsidiaries  is a party or by  which it is bound  ("Clarification
         Agreements")  and (ii) neither the Company nor any of its  subsidiaries
         shall  have  paid,  or agreed to pay,  any  amounts  to obtain any such
         Clarification Agreements.

                  (l) First Quarter Results. The Company's  consolidated revenue
         for the three- month period  ending March 31, 1998 (as set forth in its
         earnings release for such period) shall equal or exceed $10,640,000 (as
         determined in accordance with generally accepted accounting  principles
         (including  principles of  materiality)  applied on a basis  consistent
         with the  principles  applied in preparing  the Company  December  31st
         Financials)

                  (m) Tax Opinion. Parent shall have received a tax opinion from
         Katten Muchin & Zavis,  legal counsel to Parent,  in form and substance
         reasonably   satisfactory   to  Parent,   dated  the  Effective   Time,
         substantially   to  the   effect   that,   on  the   basis  of   facts,
         representations  and  assumptions  set forth in such  opinion  that are
         consistent  with the state of facts existing as of the Effective  Time,
         for federal income tax purposes:

                             (i) the Merger will  constitute a  "reorganization"
                  within  the  meaning of  Section  368(a) of the Code,  and the
                  Company,  Merger Sub and  Parent  will each be a party to such
                  reorganization  within the  meaning  of Section  368(b) of the
                  Code;

                            (ii) no gain or loss will be  recognized  by Parent,
                  Merger Sub or the Company as a result of the Merger;

                           (iii)no  gain  or  loss  will  be  recognized  by the
                  stockholders of the Company upon the exchange of their Company
                  Capital  Stock  solely  for  shares  of  Parent  Common  Stock
                  pursuant to the 
                                       45
<PAGE>
                  Merger,  except with respect to cash, if any, received in lieu
                  of fractional shares of Parent Common Stock;

                           (iv) the  aggregate tax basis of the shares of Parent
                  Common Stock received  solely in exchange for Company  Capital
                  Stock pursuant to the Merger  (including  fractional shares of
                  Parent  Common Stock for which cash is  received)  will be the
                  same as the aggregate  tax basis of the Company  Capital Stock
                  exchanged therefor;

                           (v) the  holding  period for shares of Parent  Common
                  Stock  received  solely in exchange for Company  Capital Stock
                  pursuant to the Merger will include the holding  period of the
                  Company  Capital  Stock  exchanged  therefor,   provided  such
                  Company  Capital  Stock  was  held as a  capital  asset by the
                  stockholder at the Effective Time; and

                           (vi) a  stockholder  of the Company who receives cash
                  in lieu of a  fractional  share of Parent  Common  Stock  will
                  recognize  gain  or  loss  equal  to the  difference,  if any,
                  between such  stockholder's tax basis in such fractional share
                  (as  described  in clause  (iv)  above) and the amount of cash
                  received.

         In rendering  such opinion,  Katten Muchin & Zavis may receive and rely
         upon  representations   contained  in  a  certificate  of  the  Company
         substantially  in the form of the Company Tax  Certificate  attached to
         the Company  Schedules,  a certificate of Parent  substantially  in the
         form of the Parent Tax Certificate attached to the Parent Schedules and
         representations  contained  in other  appropriate  certificates  of the
         Company, Parent and others.

                  (n) Assumption of Chicago Lease. Terence M. Graunke shall have
         subleased  from the Company all real property  leased by the Company at
         676 N. Michigan in Chicago, Illinois and assumed all obligations of the
         Company to be  performed  after the  Effective  Time under such  lease,
         which sublease and assumption shall be in form and substance reasonably
         acceptable to Parent.

         7. TERMINATION, AMENDMENT AND WAIVER

         7.1  TERMINATION.  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 if:

                             (i)  there  has  been  a  material  breach  of  any
                  representation,  warranty,  covenant or agreement contained in
                  this  Agreement on the part of the Company and such breach has
                  not been cured  within ten (10)  business  days after  written
                  notice  to  the  Company  (provided,  that  Parent  is  not in
                  material breach of the terms of this
                                       46
<PAGE>
                  Agreement;  and provided further, that no cure period shall be
                  required  for a breach  which by its  nature  cannot be cured)
                  such  that the  conditions  set  forth in  Section  6.3(a)  or
                  Section 6.3(b), as the case may be, will not be satisfied,

                            (ii) the Board of Directors of the Company adversely
                  amends,  withholds  or  withdraws  its  recommendation  of the
                  Merger  or the  Merger  is  not  submitted  to  the  Company's
                  stockholders as contemplated by this Agreement  (provided that
                  Parent  is  not  in  material  breach  of the  terms  of  this
                  Agreement and this Agreement has not otherwise been terminated
                  pursuant to this Section 7.1), or

                           (iii) the Company's  stockholders  do not approve the
                  Merger at the Company Stockholders' Meeting;

                  (c)      by the Company if:

                           (i)  there  has  been  a   material   breach  of  any
                  representation,  warranty,  covenant or agreement contained in
                  this  Agreement  on the part of the  Parent or Merger  Sub and
                  such breach has not been cured within ten (10)  business  days
                  after written notice to the Parent (provided, that the Company
                  is not in material breach of the terms of this Agreement;  and
                  provided further,  that no cure period shall be required for a
                  breach  which by its  nature  cannot be  cured)  such that the
                  conditions set forth in Section 6.2(a) or Section  6.2(b),  as
                  the case may be, will not be satisfied,

                           (ii) the  Share  Value at any time from and after the
                  date on which the Registration Statement is declared effective
                  and prior to the date of the Company  Stockholder's Meeting is
                  less than $22.50,

                           (iii) the Company's  stockholders  do not approve the
                  Merger at the Company Stockholders' Meeting, or

                           (iv)  Parent  adopts a plan of  complete  or  partial
                  liquidation   or   dissolution   or  a  plan  of   merger   or
                  consolidation in which Parent would become a subsidiary of any
                  other person;

                  (d) by any  party  hereto  if:  (i)  there  shall  be a final,
         non-appealable  order of a Federal or state court in effect  preventing
         consummation  of the Merger;  or (ii) there  shall be any final  action
         taken, or any statute,  rule, regulation or order enacted,  promulgated
         or issued  and  deemed  applicable  to the  Merger by any  Governmental
         Entity  which would make  consummation  of the Merger  illegal or which
         would  prohibit  Parent's  ownership  or operation of all or a material
         portion of the business of the Company,  or compel Parent 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;

                  (e) by any  party  hereto  if the  Merger  shall not have been
         consummated  by July 31, 1998  (provided  that if the Merger  shall not
         have been consummated solely due to
                                       47
<PAGE>
         the waiting  period,  or any extension  thereof,  under the HSR Act not
         having expired or been terminated,  then such date shall be extended to
         August 31, 1998);  provided,  further, that the right to terminate this
         Agreement under this Section 7.1(e) shall not be available to any party
         whose  willful  failure to fulfill any material  obligation  under this
         Agreement  has been the cause of, or  resulted  in, the  failure of the
         Effective Time to occur on or before such date.

                  (f) by any  party if the  Board of  Directors  of the  Company
         accepts or  approves  a Superior  Proposal,  or  recommends  a Superior
         Proposal to the stockholders of the Company;  provided that the Company
         shall provide to Parent three (3) business  days' prior written  notice
         that the Company may accept or approve a Superior Proposal.

         7.2   EFFECT OF TERMINATION.

                  (a) In the event of  termination of this Agreement as provided
         in Section 7.1, this Agreement  shall  forthwith  become void and there
         shall be no liability or obligation on the part of Parent,  Merger Sub,
         the Company or their respective  officers,  directors,  stockholders or
         affiliates, except to the extent that such termination results from the
         breach  by a party  hereto of any of its  representations,  warranties,
         covenants or agreements set forth in this Agreement, and, provided that
         the  provisions  of Sections  5.3(b),  5.5, and 5.6 and Article VIII of
         this  Agreement  shall  remain in full force and effect and survive any
         termination  of this  Agreement.  The  exercise  by  either  party of a
         termination  right pursuant to Section 7.1 shall not be deemed a breach
         of any provision of this Agreement.

                  (b) Any termination of this Agreement by the Company  pursuant
         to Section 7.1(f) hereof shall be of no force or effect unless prior to
         such  termination  the  Company  shall  have paid to Parent  the sum as
         prescribed by Section 5.6.

         7.3 NOTICE OF TERMINATION.  Subject to Section 7.2(b),  any termination
of this Agreement under Section 7.1 above will be effective immediately upon the
delivery of written notice of the terminating party to the other parties hereto.

         7.4  AMENDMENT.  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.

         7.5  EXTENSION;  WAIVER.  At any time prior to the  Effective  Time any
party  hereto may, to the extent  legally  allowed,  (i) extend the time for the
performance of any of the obligations or other acts of the other parties 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.
                                       48
<PAGE>
         8. GENERAL PROVISIONS

         8.1  NON-SURVIVAL  OF  REPRESENTATIONS  AND  WARRANTIES.  None  of  the
representations and warranties in this Agreement or in any instrument  delivered
pursuant to this  Agreement  shall survive  beyond the Effective Time other than
the Parent Tax Certificates and the Company Tax Certificates referred to herein.

         8.2 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  telecopy  (receipt  confirmed)  to the  parties  at the
following  addresses or telecopy  numbers (or at such other  address or telecopy
numbers for a party as shall be specified by like notice):

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

                           PLATINUM technology, inc.
                           1815 South Meyers Road
                           Oak Brook Terrace, Illinois   60181
                           Attention:                Andrew J. Filipowski,
                                                     Larry Freedman
                           Telecopy No.:             (630) 691-0710

                           with a copy to:

                           Katten Muchin & Zavis
                           525 West Monroe Street
                           Chicago, Illinois
                           Attention:                Matthew S. Brown, Esq.
                           Telecopy No.:             (312) 902-1061

                  (b)      if to the Company, to:

                           Mastering, Inc.
                           9201 East Mountain View Road
                           Suite 200
                           Scottsdale, Arizona 85258-5132
                           Attention:                Terence Graunke
                                                     Marc Pinto
                           Telecopy No.:             (602) 657-4005
                                       49
<PAGE>
                           with a copy to:

                           Sidley & Austin
                           One First National Plaza
                           Chicago, Illinois  60603
                           Attention:                Thomas A. Cole, Esq.
                                                     Paul L. Choi, Esq.
                           Telecopy No.:             (312) 853-7036

         8.3  INTERPRETATION.  When a  reference  is made in this  Agreement  to
Exhibits,  such  reference  shall  be to an  Exhibit  to this  Agreement  unless
otherwise indicated.  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. When reference is made herein to "the business
of" an entity,  such  reference  shall be deemed to include the  business of all
direct and indirect  subsidiaries of such entity.  Reference to the subsidiaries
of an entity shall be deemed to include all direct and indirect  subsidiaries of
such  entity.  References  in this  Agreement  to  "knowledge"  shall  mean  the
knowledge of the officers  and  directors of the Company or Parent,  as the case
may be.

         8.4  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.

         8.5 ENTIRE AGREEMENT.  This Agreement and the documents and instruments
and other  agreements among the parties hereto as contemplated by or referred to
herein,  including the Company Schedules and the Parent Schedules (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, it being understood
that the Confidentiality Agreement shall continue in full force and effect until
the Closing and shall survive any termination of this Agreement; and (b) are not
intended  to confer  upon any other  person  any rights or  remedies  hereunder,
except with respect to Sections 5.14 and 5.17.

         8.6 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.

         8.7 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 
                                       50
<PAGE>
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.

         8.8 GOVERNING LAW. This Agreement shall be governed by and construed in
accordance  with the laws of the State of Delaware,  regardless of the laws that
might otherwise govern under applicable  principles of conflicts of law thereof.
Each of the parties hereto irrevocably consents to the exclusive jurisdiction of
any state or federal court within the State of Delaware,  in connection with any
matter based upon or arising out of this  Agreement or the matters  contemplated
herein,  agrees that process may be served upon them in any manner authorized by
the laws of the State of Delaware 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.

         8.9 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.

         8.10  ASSIGNMENT.  No party may assign either this  Agreement or any of
its rights,  interests,  or  obligations  hereunder  without  the prior  written
approval of the parties.
                                       51
<PAGE>
         IN WITNESS WHEREOF, Parent, Merger Sub and the Company have caused this
Agreement  to be  signed  by  themselves  or their  duly  authorized  respective
officers, all as of the date first written above.

PLATINUM technology, inc.                    MASTERING, INC.   
                                                               
                                                               
By: /s/ Larry S. Freedman                    By: /s/ Marc Pinto
   -----------------------------               ------------------------------
Name:  Larry S. Freedman                     Name: Marc Pinto            
     ---------------------------                  ---------------------------
Title: Senior Vice President and             Title: Executive Vice President
      --------------------------                   --------------------------
       General Counsel                             and Chief Financial Officer
      --------------------------                   --------------------------
PT ACQUISITION CORPORATION I


By: /s/ Larry S. Freedman
   -----------------------------
Name: Larry S. Freedman
     ---------------------------
Title: Senior Vice President and
      --------------------------
       General Counsel
      --------------------------                                       52

PLATINUM
TECHNOLOGY


The Open Enterprise Management Company

For Press Inquiries:                               For Investment Analyst
- --------------------                               Inquiries:
                                                   ----------

Keith Reehl                 Amy LaBan              Maria Dalesandro
PLATINUM technology, inc.   Mastering, Inc.        PLATINUM technolgoy, inc.
(630) 691-0681              (602) 657-4244         (630) 691-0771
[email protected]          Amy__LaBan@            [email protected]
                            mastering
                            computers.com

         PLATINUM technology To Join  Forces  with  Mastering,  Inc. To Train IT
                             Professionals and Address Resource Shortage

         PLATINUM signs  agreement  to  acquire  leading  provider  of  training
                  solutions for Windows NT, Windows 95, Internet/intranets,  and
                  other IT topics


                  OAKBROOK TERRACE, IL FEBRUARY 18,  1998--PLATINUM  technology,
inc.  (NASDAQ:  PLAT) today announced that it has signed an agreement to acquire
the  training  expert,  Mastering,  Inc.  (NASDAQ:  MASC)  and  its  subsidiary,
Mastering  Computers,  to help  organizations  address  the costly and  critical
shortage of skilled IT  personnel.  This  transaction  will  enable  PLATINUM to
deliver effective  certification  courses and training solutions for high-demand
topics such as Windows NT, Windows 95, and Internet/intranet  technologies, thus
reinforcing  PLATINUM's  position as a leading provider of products and services
to help manage and improve IT  infrastructure.  Mastering  will become a part of
PLATINUM technology Solutions, PLATINUM's education and consulting division.

                  Under  terms  of the  acquisition,  Mastering  Computers  will
become a  wholly-owned  subsidiary of PLATINUM.  PLATINUM  will  exchange  0.448
shares of PLATINUM common stock for each share of Mastering,  Inc. common stock.
Based on PLATINUM's  closing price of $26.375 on February 17, 1998,  the implied
purchase price for Mastering is  approximately  $138.7 million,  net of cash and
option proceeds and before transaction  expenses.  The acquisition is subject to
the  filing  of a  registration  statement  with  the  Securities  and  Exchange
Commission,  the approval of shareholders  of Mastering,  and to other legal and
regulatory  conditions  customary in such  agreements.  It is expected  that the
acquisition--
<PAGE>
anticipated  to be completed in the second  quarter of  1998--will  qualify as a
tax-free reorganization and be accounted for as a pooling of interests.

                  "Last month the Information  Technology Association of America
(ITAA) and Virginia Tech released a report  estimating  that there are currently
346,000  vacant IT positions in the US alone.  We have seen demand for expertise
with  Microsoft  NT and other  technologies  far  exceeds  the supply of trained
professionals,"  said John Shackleton,  president and COO of PLATINUM technology
Solutions.  "Because  there is such a severe  shortage of  qualified  staff,  IT
training is now more  important  than ever.  Mastering,  which  boasts more than
250,000   alumni,   will  add   high-quality   instructor-led   workshops,   300
computer-based  training courses, and a staff of 450 to PLATINUM, and will allow
us to meet a broader range of training needs."

         "PLATINUM offers industry-leading consulting and training services, and
is a natural complement to our organization,"  said Terry Graunke,  chairman and
CEO of Mastering,  Inc. "PLATINUM's  established customer relationship worldwide
will  help us push  forward  in our plans  both to  establish  national  account
relationships  with large corporate  customers and our international  expansion,
two growth opportunities we've targeted for 1998."

                  Mastering and PLATINUM  offer each other a number of synergies
that the combined organization plans to leverage, including:

         o        Strong  financial  position:   Mastering  has  experienced  82
                  percent  compounded  annual  growth  since  1994,  and  it has
                  increased  its  penetration  of the IT  training  market.  The
                  company  recently  reported  1997  revenues of $41 million and
                  earnings per share of $0.25.  Mastering has  approximately $48
                  million in cash and no long-term debt.

         o        Direct sales group: PLATINUM technology has an extensive field
                  sales  force and a strong  customer  base  within the  Fortune
                  1000.  PLATINUM's  direct sales force would look to expand its
                  current long-term  contracts by offering  multi-year  training
                  and support  provided by  Mastering  for  Microsoft  operating
                  systems,  related client/server  applications,  and PLATINUM's
                  own enterprise products.

         o        Presence in key international markets:  Mastering is currently
                  in  the  process  of  expanding   its  training   distribution
                  internationally. PLATINUM already has a
                                      - 2 -
<PAGE>
                  strong presence in the countries Mastering is targeting.

         o        Telesales:  PLATINUM  will be able to  supplement  its current
                  sales  force  with  Mastering's  telesales  group,  a unit  of
                  highly-trained  staff that has  generated  over $40 million in
                  revenue in 1997 and has successfully doubled Mastering's sales
                  in each of the past two years.

         o        CBT  development:  Mastering's  in-house CBT development  team
                  offers   PLATINUM   experts  in  multimedia   development  for
                  PLATINUM's own products and applications.

         o        Windows 98 and NT 5.0  product  introductions:  Mastering  and
                  PLATINUM anticipate significant training growth potential when
                  Microsoft introduces these new products later this year.

                  Mastering's   courses  prepare  attendees  to  pass  stringent
certification  exams,   including  the  entire  series  of  Microsoft  Certified
Professional  (MCP)  exams  required  to  achieve  Microsoft  Certified  Systems
Engineer (MCSE) status.  Mastering's  fine-tuned courseware  development process
can generate  content-rich  courses more rapidly than most education  courseware
providers.  The Mastering  process has become so  successful  that it is able to
guarantee  certification for students enrolled in Mastering  courses.  Using the
resources  supplied by Mastering as the cornerstone of a courseware  development
effort,  PLATINUM  intends to offer an  extensive  curriculum  of  certification
programs, including training for Java and other emerging technologies.

About Mastering

                  Mastering,   Inc.  is  a  leading   provider  of   information
technology  training  to  Fortune  1000  companies,   universities,   and  large
government agencies.  Since 1988, Mastering Computers, the company's IT training
subsidiary, has trained over 250,000 information technology professionals in its
instructor-led  one-day FastTrack workshops,  two-day MasterTrack  workshops and
three-day and four-day Microsoft  CertTrack training on topics including Windows
NT, Windows 95, Exchange Server, TCP/IP, Internet/intranet technology, and other
client server  applications.  Mastering Computers also offers one of the world's
largest multimedia  computer-based  training (CBT) libraries,  including both IT
professional  and end-user  training courses focused on products from Microsoft,
Netscape,  Lotus Notes, and Novell that can be delivered on CD-ROM, LAN/WAN, and
corporate intranets.
                                      - 3 -
<PAGE>
About PLATINUM technology Solutions

                  PLATINUM  technology  Solutions  provides  instructor-led  and
computer-based training for IT topics including: database administration for DB2
and Oracle,  administration and use of open systems environments (including AIX,
HP-UX, SunOS, and Sun Solaris); data warehouse construction,  administration and
use; application  development  (including courses on C, C++,  PowerBuilder,  and
PLATINUM tools);  and systems  management.  PLATINUM  technology  Solutions also
provides  a  full  range  of  consulting  services  for  disciplines   including
application  development,  information  management (including data warehousing),
online services (including Web site design and electronic commerce integration),
systems management, and Year 2000 conversions.

About PLATINUM technology

                  PLATINUM   technology,   headquartered  in  Oakbrook  Terrace,
Illinois,  provides software and services that help IT organizations  manage and
improve  the  IT   infrastructure.   Solutions   include  database  and  systems
management,  data warehousing and decision support,  application  infrastructure
management, and Year 2000 reengineering. For information visit www.platinum.com.

                  Andrew  J.  (Flip)  Filipowski,  the  president  and CEO and a
director of PLATINUM,  is a director of Mastering.  Filipowski  excused  himself
from deliberations of the Mastering board regarding this transaction. Filipowski
holds options to purchase  34,800 shares of Mastering  common stock,  which were
granted to him in his  capacity as a director of  Mastering.  Also,  through two
investment  partnerships of which he is a principal,  Filipowski indirectly owns
more than 22,000  shares of  Mastering  common  stock.  James E. Cowie,  another
director of  PLATINUM,  is also a director  of  Mastering  and holds  options to
purchase  34,800  shares of  Mastering  common  stock.  He services as a general
partner of the Frontenac Company,  with indirectly owns a total of approximately
3,000,000  shares of Mastering  common  stock.  Cowie  excused  himself from the
deliberations  of  PLATINUM's  board with respect to PLATINUM's  acquisition  of
Mastering.  A special  committee of the PLATINUM board,  including neither Cowie
nor Filipowski,  approved this  transaction.  PLATINUM  Venture  Partners owns a
total of approximately 335,000 shares of Mastering.  Additionally, certain other
executive officers and directors of PLATINUM indirectly own an aggregate of more
than 20,000 shares of Mastering common stock.
                                      - 4 -
<PAGE>
                                       ###

                  All  PLATINUM  technology,  inc.  product  names  and  product
category names are trademarks of PLATINUM  technology,  inc. Other company names
and product names referenced  herein may be trademarks or registered  trademarks
of the respective corporation.

                  The  statements  in  this  press  release  regarding  PLATINUM
technology's plans, intentions,  and expectation are forward- looking statements
that involve  transactions that may not occur and risks and  uncertainties  that
could  cause  actual  results  to  differ  materially  from  those  anticipated,
including,  but not limited  to,  quarterly  fluctuations  in the  results,  the
management of growth,  the  competitive  environment, and risks as detailed from
time  to time in the  company's  Securities  and  Exchange  Commission  filings,
including  the  company's  quarterly  report on Form 10-Q for the quarter  ended
September 30, 1997.
                                      - 5 -


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