VISUAL NETWORKS INC
8-K, 1998-05-19
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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):

                                  May 15, 1998



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



       Delaware                    000-23699                  52-1837515
      (State of                   (Commission                (IRS Employer
    Incorporation)                File Number)             Identification No.)



                                2092 Gaither Road
                         Rockville, Maryland      20850
               (Address of principal executive offices) (Zip Code)



                                  301-296-2300
                         (Registrant's telephone number)


                                       1
<PAGE>

Item 2.  Acquisition or Disposition of Assets.

     On May 15, 1998,  Visual  Networks,  Inc.  ("Visual")  announced  that at a
special meeting of the stockholders of Net2Net Corporation  ("Net2Net") approved
the merger (the  "Merger")  of Visual  Acquisitions,  Inc.  ("Acquisitions"),  a
wholly-owned  subsidiary  of  Visual,  with  and  into  Net2Net  pursuant  to an
Agreement  and Plan of Merger dated as of April 15, 1998  ("Merger  Agreement").
Following the special  meeting,  on May 15, 1998, the Merger was consummated and
Acquisition was merged with and into Net2Net.

     Under the terms of the Merger Agreement,  all outstanding shares of Net2Net
capital stock and all shares of Net2Net  common stock reserved for issuance upon
the exercise of all outstanding  Net2Net options and warrants were exchanged for
an aggregate of 2,250,000 shares of Visual common stock.

     Visual issued a press release  announcing the approval of the Merger on May
15, 1998, which is filed herewith as Exhibit 99.1 and is incorporated  herein by
reference.

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

     (a) The  financial  statements  of Net2Net will be filed by  amendment  not
later than 60 days from the date hereof.

     (b) The pro forma  financial  information  of the combined  company will be
filed by amendment not later than 60 days from the date hereof.

     (c) Exhibits.

          2.1  Agreement  and Plan of Merger  dated  April 15, 1998 by and among
               Visual  Networks,  Inc.,  Visual  Acquisitions,  Inc. and Net2Net
               Corporation.

          99.1 Press release of Visual Networks, Inc. dated May 15, 1998.



                                       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 thereunto duly authorized.


Date:  May 19, 1998                  Visual Networks, Inc.



                                     /s/ Scott E. Stouffer
                                     By:       Scott E. Stouffer
                                     Title:    Chief Executive Officer



                                       3
<PAGE>

                                  EXHIBIT INDEX


          2.1  Agreement  and Plan of Merger  dated  April 15, 1998 by and among
               Visual  Networks,  Inc.,  Visual  Acquisitions,  Inc. and Net2Net
               Corporation.

          99.1 Press release of Visual Networks, Inc. dated May 15, 1998.



                                       4
<PAGE>



                          AGREEMENT AND PLAN OF MERGER

                                  BY AND AMONG

                             VISUAL NETWORKS, INC.,

                            VISUAL ACQUISITIONS, INC.

                                       AND

                               NET2NET CORPORATION



                                 April 15, 1998





                                       1
<PAGE>



   
                                TABLE OF CONTENTS


ARTICLE I:  THE MERGER............................................1
     1.1     The Merger................... .......................1
     1.2     The Closing..........................................1
     1.3     Actions at the Closing...............................2
     1.4     Additional Action....................................2
     1.5     Effect on Capital Stock..............................2
     1.6     Dissenting Shares....................................4
     1.7     Exchange of Shares...................................5
     1.8     Dividends............................................6
     1.9     Fractional Shares....................................6
     1.10    Options and Warrants.................................6
     1.11    Certificate Legends..................................8
     1.12    Certificate of Incorporation.........................8
     1.13    By-laws..............................................8
     1.14    Directors and Officers...............................8
     1.15    No Further Rights....................................8
     1.16    Closing of Transfer Books............................9
     1.17    Tax and Accounting Consequences......................9
     1.18    Taking of Necessary Action; Further Action...........9

ARTICLE II:  REPRESENTATIONS AND WARRANTIES OF THE COMPANY.... ...9
     2.1     Organization, Qualification and Corporate Power......9
     2.2     Capitalization.................................... .10
     2.3     Authorization of Transaction........................10
     2.4     Noncontravention....................................11
     2.5     Subsidiaries........................................12
     2.6     Financial Statements................................12
     2.7     Absence of Certain Changes..........................12
     2.8     Undisclosed Liabilities............................ 12
     2.9     Tax Matters.........................................13
     2.10    Assets..............................................14
     2.11    Owned Real Property.................................14
     2.12    Intellectual Property...............................15


                                       2
<PAGE>


     2.13    Real Property Leases................................17
     2.14    Contracts...........................................18
     2.15    Powers of Attorney..................................20
     2.16    Insurance...........................................20
     2.17    Litigation..........................................20
     2.18    Employees...........................................21
     2.19    Employee Benefits...................................21
     2.20    Environmental Matters...............................23
     2.21    Legal Compliance; Restrictions on 
             Business Activities.................................24
     2.22    Permits.............................................24
     2.23    Certain Business Relationships With Affiliates......25
     2.24    Fees................................................25
     2.25    Books and Records...................................25
     2.26    Company Action......................................25
     2.27    Customers and Suppliers.............................25
     2.28    Pooling of Interests................................26
     2.29    Restrictions on Business Activities.................26
     2.30    Certain Payments....................................26
     2.31    Disclosure..........................................26

ARTICLE III:  REPRESENTATIONS AND WARRANTIES OF THE BUYER
              AND THE MERGER SUB.................................27
     3.1     Organization........................................27
     3.2     Capitalization......................................27
     3.3     Authorization of Transaction........................27
     3.4     Noncontravention....................................28
     3.5     Reports and Financial Statements....................28
     3.6     Absence of Material Adverse Changs..................29
     3.7     Litigation..........................................29
     3.8     Company Action......................................29
     3.9     Pooling of Interests................................29
     3.10    Brokers' Fees.......................................29
     3.11    Disclosure..........................................29

ARTICLE IV:  COVENANTS...........................................30
     4.1     Best Efforts........................................30
     4.2     Notices and Consents................................30
     4.3     Special Meeting.....................................30
     4.4     Securities Laws.....................................31


                                       3
<PAGE>


     4.5     Operation of Business...............................31
     4.6     Full Access.........................................34
     4.7     Notice of Breaches..................................34
     4.8     Exclusivity.........................................34
     4.9     Non-Disclosure and Developments Agreements and
             Non-Competition Agreements..........................35
     4.10    Employee Matters....................................35
     4.11    Agreements From Certain Affiliates of the Company...35
     4.12    Registration Rights.................................35
     4.13    Pooling Accounting..................................35
     4.14    Escrow Agreement....................................36
     4.15    Form S-8............................................36
     4.16    Reorganization......................................36
     4.17    Reasonable Commercial Efforts and Further
             Assurances..........................................36

ARTICLE V:  CONDITIONS TO CONSUMMATION OF MERGER.................36
     5.1     Conditions to Each Party's Obligations..............36
     5.2     Conditions to Obligations of the Buyer and
             the Merger Sub......................................37
     5.3     Conditions to Obligations of the Company............38

ARTICLE VI:  TERMINATION.........................................38
     6.1     Termination of Agreement............................38
     6.2     Effect of Termination...............................39
     6.3     Amendment...........................................39
     6.4     Extension; Waiver...................................39

ARTICLE VII:  ESCROW AND INDEMNIFICATION.........................40
     7.1     Indemnification.....................................40
     7.2     Escrow Fund.........................................40
     7.3     Damage Threshold....................................41
     7.4     Escrow Period.......................................41
     7.5     Claims Upon Escrow Fund.............................41
     7.6     Objections to Claims................................42
     7.7     Resolution of Conflicts and Arbitration.............42
     7.8     Stockholders' Agent.................................43
     7.9     Actions of the Stockholders' Agent..................44
     7.10    Third-Party Claims..................................44

ARTICLE VIII:  DEFINITIONS.......................................45


                                       4
<PAGE>

ARTICLE IX:  MISCELLANEOUS.......................................47
     9.1     Press Releases and Announcements....................47
     9.2     No Third Party Beneficiaries........................47
     9.3     Entire Agreement....................................47
     9.4     Succession and Assignment...........................47
     9.5     Counterparts........................................48
     9.6     Headings............................................48
     9.7     Notices.............................................48
     9.8     Governing Law.......................................50
     9.9     Amendments and Waivers..............................50
     9.10    Severability........................................50
     9.11    Expenses............................................50
     9.12    Other Remedies......................................51
     9.13    Specific Performance................................51
     9.14    Construction........................................51
     9.15    Incorporation of Exhibits and Schedules.............51



                                       5
<PAGE>



                                    EXHIBITS

Exhibit A         Stock Option Assumption Agreement
Exhibit B         Affiliate Agreement
Exhibit C         Stockholder Agreement
Exhibit D         Escrow Agreement
Exhibit E         Opinion of Counsel to the Company
Exhibit F         Non-Disclosure and Developments Agreement
Exhibit G         Non-Competition Agreement
Exhibit H         Opinion of Counsel to the Buyer
Exhibit I         Employment Agreement
Exhibit J         Amended and Restated Registration Rights Agreement
Exhibit K         Exchange Ratio Calculation


                                       6
<PAGE>




                          AGREEMENT AND PLAN OF MERGER

         THIS AGREEMENT AND PLAN OF MERGER (this "Agreement") entered into as of
April 15, 1998 by and among VISUAL NETWORKS,  INC., a Delaware  corporation (the
"Buyer"),  VISUAL ACQUISITIONS,  INC., a Delaware corporation and a wholly-owned
subsidiary of the Buyer (the "Merger Sub"), and NET2NET CORPORATION,  a Delaware
corporation  (the  "Company").  The Buyer,  the Merger Sub and the  Company  are
referred to collectively herein as the "Parties."

         This Agreement contemplates a merger of the Merger Sub into the Company
in a  transaction  that will  qualify,  for federal  income tax  purposes,  as a
reorganization   under  Section  368(a)  of  the  Code.  In  such  merger,   the
stockholders  of the Company will receive capital stock of the Buyer in exchange
for their capital stock of the Company.

         NOW, THEREFORE,  in consideration of the  representations,  warranties,
agreements and covenants herein contained, the Parties agree as follows.

                                    ARTICLE I

                                   THE MERGER

         1.1      The Merger.

         Upon and subject to the terms and  conditions  of this  Agreement,  the
Merger Sub shall merge with and into the Company  (with such merger  referred to
herein as the  "Merger") at the  Effective  Time.  From and after the  Effective
Time,  the  separate  corporate  existence of the Merger Sub shall cease and the
Company  shall  continue  as  the  surviving  corporation  in  the  Merger  (the
"Surviving  Corporation").  The "Effective  Time" shall be the time at which the
Company and the Merger Sub file a certificate of merger prepared and executed in
accordance with the relevant  provisions of the Delaware General Corporation Law
("DGCL") with the Secretary of State of the State of Delaware (the  "Certificate
of Merger"). The Merger shall have the effects specified in this Agreement,  the
Certificate  of  Merger  and the  applicable  provisions  of the  DGCL.  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.

         1.2      The Closing.

         The closing of the  transactions  contemplated  by this  Agreement (the
"Closing")  shall take  place at the  offices  of Piper & Marbury  L.L.P.,  1200
Nineteenth Street, N.W.,  Washington,  D.C., commencing at 10:00 a.m. local time
on May 15, 1998, or, if all of the conditions to the  obligations of the Parties
to consummate the  transactions  contemplated  hereby have not been satisfied or
waived  by such  date,  on  such  mutually  agreed  upon  later  date as soon as
practicable   after  the  satisfaction  or  waiver  of  all  conditions  to  the
obligations of the Parties to consummate the  transactions  contemplated  hereby
(the "Closing Date").  If the Closing is consummated,  Buyer and Merger Sub will
be deemed to have  waived  any of the  conditions  set forth in Article V to the
extent not satisfied at or prior to the Closing.

                                       7
<PAGE>

         1.3      Actions at the Closing.

         At the  Closing,  (a) the  Company  shall  deliver to the Buyer and the
Merger Sub the various  certificates,  instruments and documents  referred to in
Section 5.2,  (b) the Buyer and the Merger Sub shall  deliver to the Company the
various certificates,  instruments and documents referred to in Section 5.3, (c)
the  Company  and the Merger Sub shall file with the  Secretary  of State of the
State of Delaware  the  Certificate  of Merger and (d) the Buyer  shall  deliver
certificates  for the Merger Shares to Boston EquiServ LP as exchange agent (the
"Exchange Agent") in accordance with Section 1.7.

         1.4      Additional Action.

         The Surviving  Corporation  may, at any time after the Effective  Time,
take any action,  including  executing and delivering any document,  in the name
and on behalf of either the Company or the Merger Sub,  necessary to  consummate
the transactions contemplated by this Agreement.

         1.5      Effect on Capital Stock.

                  (a)      Definitions.

                   "Buyer  Common  Stock"  shall mean the common  stock,  par
value  $0.01 per share, of Visual Networks, Inc.

                  "Company Common Stock" shall mean the common stock,  par value
$0.01 per share, of Net2Net Corporation, a Delaware corporation.

                  "Company  Shares"  shall mean shares of the  Company's  equity
securities including Company Common Stock, Series A Convertible Preferred Stock,
Series B Convertible  Preferred  Stock and Series C Convertible  Preferred Stock
actually held by each Company Stockholder.

                  "Company  Stockholder" shall mean the holders of the Company's
Series A Convertible  Preferred  Stock,  Series B Convertible  Preferred  Stock,
Series C Convertible Preferred Stock and Company Common Stock.

                  "Counted  Assumed  Option  Shares"  shall  mean the  shares of
Company  Common  Stock  issuable  upon  exercise of options  outstanding  at the
Closing (regardless of whether vested) and any Warrant. In addition,  any option
granted by the Company prior to the Closing shall only be exercisable for shares
of Company Common Stock that are Counted Assumed Option Shares.

                                       8
<PAGE>

                  "Escrow  Share Market  Value"  shall mean the average  closing
sale price on the Nasdaq National Market System for shares of Buyer Common Stock
for the five (5) trading days ending immediately prior to the Closing.

                  "Merger Shares" shall mean two million,  two hundred and fifty
thousand  (2,250,000)  shares  of Buyer  Common  Stock  (as such  number  may be
appropriately  adjusted for stock splits, stock dividends and other subdivisions
and combinations of Buyer Common Stock).

                  "Merger Sub Common Stock" shall mean the common stock,  par
value $0.01 per share,  of the Merger Sub.

                  "Series  A  Convertible   Preferred   Stock"  shall  mean  the
Company's Series A Convertible Preferred Stock, par value $0.01 per share, on an
as converted to Common Stock basis.

                  "Series  B  Convertible   Preferred   Stock"  shall  mean  the
Company's Series B Convertible Preferred Stock, par value $0.01 per share, on an
as converted to Common Stock basis.

                  "Series  C  Convertible   Preferred   Stock"  shall  mean  the
Company's Series C Convertible Preferred Stock, par value $0.01 per share.

                  (b) At the Effective Time each share of the Company's  capital
stock  shall,  by virtue of the Merger and without any action on the part of any
Party or the holder of any of the  Company's  capital  stock,  automatically  be
canceled and extinguished and converted into the right to receive the following:

     (i)......with respect to each share of the Company's Common Stock, Series A
Convertible  Preferred  Stock  (with  each such  share  being  treated as having
converted  immediately  prior to the Effective Time into one thousand  shares of
Company Common Stock) and Series B Convertible  Preferred  Stock (with each such
share being treated as having converted  immediately prior to the Effective Time
into one thousand  shares of Company Common  Stock),  a fraction of Buyer Common
Stock (the "Standard Exchange Ratio"), as determined in accordance with Exhibit
K; and

     (ii).....with respect to each share of Series C Convertible Preferred Stock
a fraction of Buyer Common Stock (the "Series C Exchange Ratio"),  as determined
in accordance  with Exhibit K. 

                  (c) At the Effective  Time,  each share of Merger Sub Common
Stock issued and  outstanding  immediately  prior to the Effective Time shall be
converted   into  and  exchanged  for  one  validly   issued,   fully  paid  and
nonassessable share of Common Stock of the Surviving Corporation.

                                       9
<PAGE>

                  (d)  Notwithstanding  the foregoing,  no fractional  shares of
Buyer Common Stock shall be issued.  Such  fractional  shares shall be converted
into cash as provided in Section 1.9.

                  (e)  Notwithstanding  the  foregoing,  as soon as  practicable
after the Effective  Time, and subject to and in accordance  with the provisions
of Article VII hereof,  the Buyer  shall cause to be  distributed  to the Escrow
Agent (as defined in Article VII) a  certificate  or  certificates  representing
168,750 shares of the Merger Shares which shall be registered in the name of the
Escrow Agent as nominees for the holder of Certificates  pursuant to Section 1.7
(the "Escrow Shares").  Such shares shall be beneficially  owned by such holders
and shall be held in escrow and shall be available to  compensate  the Buyer for
certain  damages as  provided  in Article  VII.  To the extent not used for such
purposes, such shares shall be released, all as provided in Article VII.

         1.6      Dissenting Shares.

                  (a) For purposes of this Agreement,  "Dissenting Shares" means
Company  Shares held as of the Effective Time by a Company  Stockholder  who has
not voted such Company Shares in favor of the adoption of this Agreement and the
Merger and with  respect to which  appraisal  shall have been duly  demanded and
perfected  in  accordance  with  Section  262 of the  DGCL  and not  effectively
withdrawn or forfeited prior to the Effective Time.  Notwithstanding anything to
the  contrary  contained  in Section 1.5 above,  Dissenting  Shares shall not be
converted  into or represent  the right to receive  Merger  Shares,  unless such
Company  Stockholder  shall have forfeited his right to appraisal under the DGCL
or withdrawn, with the consent of the Company, his demand for appraisal. If such
Company  Stockholder  has so forfeited  or  withdrawn  his right to appraisal of
Dissenting  Shares,  then as of the  occurrence  of such  event,  such  holder's
Dissenting  Shares  shall cease to be  Dissenting  Shares and shall be converted
into and represent the right to receive the Merger Shares issuable in respect of
such Company Shares pursuant to Section 1.5.

                  (b) The  Company  shall  give the Buyer and the  Stockholders'
Agent (i) prompt  notice of any  written  demands for  appraisal  of any Company
Shares,  withdrawals of such demands,  and any other  instruments that relate to
such  demands  received by the Company  and (ii) the  opportunity  to direct all
negotiations  and  proceedings  with respect to demands for appraisal  under the
DGCL. The Company shall not, except with the prior written consent of the Buyer,
which consent shall not be unreasonably withheld,  make any payment with respect
to any demands for appraisal of Company  Shares or offer to settle or settle any
such demands.

                                       10
<PAGE>

         1.7      Exchange of Shares.

                  (a) Prior to the Effective  Time,  the Buyer shall appoint the
Exchange  Agent to effect the  exchange  for the Merger  Shares of  certificates
that,  immediately  prior to the  Effective  Time,  represented  Company  Shares
converted into Merger Shares  pursuant to Section 1.5  ("Certificates").  On the
Closing Date,  the Buyer shall deliver to the Exchange  Agent,  in trust for the
benefit of holders of Certificates,  a stock certificate  (issued in the name of
the Exchange Agent or its nominee)  representing the Merger Shares, as described
in Section 1.5. No later than 10 days  following the Effective  Time,  the Buyer
shall cause the Exchange  Agent to send a notice and a transmittal  form to each
holder of a Certificate  advising such holder of the effectiveness of the Merger
and the procedure for  surrendering  to the Exchange  Agent such  Certificate in
exchange for the Merger Shares issuable  pursuant to Section 1.5. Each holder of
a Certificate, upon proper surrender thereof to the Exchange Agent in accordance
with the  instructions in such notice,  shall be entitled to receive in exchange
therefor  (subject  to any taxes  required  to be  withheld)  the Merger  Shares
issuable pursuant to Section 1.5 (other than the Escrow Shares).  Until properly
surrendered,  each such Certificate shall be deemed for all purposes to evidence
only the right to receive the Merger  Shares  issuable  pursuant to Section 1.5.
Holders of Certificates  shall not be entitled to receive  certificates  for the
Merger Shares to which they would otherwise be entitled until such  Certificates
are properly surrendered.

                  (b) If any  Merger  Shares  are to be  issued in the name of a
person  other  than the  person in whose  name the  Certificate  surrendered  in
exchange therefor is registered, it shall be a condition to the issuance of such
Merger  Shares  that  (i) the  Certificate  so  surrendered  shall  be  properly
assigned,  endorsed  or  accompanied  by  appropriate  stock  powers,  (ii) such
transfer shall otherwise be proper and (iii) the person requesting such transfer
shall pay to the Exchange Agent any transfer or other taxes payable by reason of
the foregoing or establish to the  satisfaction  of the Exchange Agent that such
taxes  have  been  paid or are not  required  to be  paid.  Notwithstanding  the
foregoing,  neither the Exchange Agent nor any Party shall be liable to a holder
of Company  Shares for any Merger  Shares  issuable to such  holder  pursuant to
Section 1.5 that are  delivered  to a public  official  pursuant  to  applicable
abandoned property, escheat or similar laws.

                  (c) In the event any Certificate  shall have been lost, stolen
or  destroyed,  only upon the making of an  affidavit of that fact by the person
claiming such Certificate to be lost, stolen or destroyed, shall the Buyer issue
in exchange for such lost,  stolen or destroyed  Certificate  the Merger  Shares
issuable in exchange therefor pursuant to Section 1.5. The Board of Directors of
the Buyer may, in its  discretion  and as a condition  precedent to the issuance
thereof,  require the owner of such lost,  stolen or  destroyed  Certificate  to
submit to the Buyer an affidavit  and to give to the Buyer an indemnity  against
any claim that may be made  against  the Buyer with  respect to the  Certificate
alleged to have been lost,  stolen or destroyed.  In addition,  a holder of such
lost,  stolen or destroyed  Certificate may be required by the Exchange Agent to
post a bond in connection therewith.

                  (d)  Promptly  following  the date  that is one year  from the
Closing Date,  the Exchange Agent shall return to the Buyer all Merger Shares in
its possession,  and the Exchange  Agent's duties shall  terminate.  Thereafter,
each holder of a Certificate  may surrender  such  Certificate to the Buyer and,
subject to applicable  abandoned property,  escheat and similar laws, receive in
exchange  therefor the Merger Shares issuable with respect  thereto  pursuant to
Section 1.5.

                                       11
<PAGE>

         1.8      Dividends.

         No dividends or other  distributions that are payable to the holders of
record of Buyer  Common Stock as of a date on or after the Closing Date shall be
paid to former Company Stockholders  entitled by reason of the Merger to receive
Merger Shares until such holders surrender their Certificates in accordance with
Section 1.7. Upon such surrender,  the Buyer shall pay or deliver to the persons
in whose name the  certificates  representing  such Merger Shares are issued any
dividends  or other  distributions  that are payable to the holders of record of
Buyer  Common Stock as of a date on or after the Closing Date and that were paid
or  delivered  between  the  Effective  Time  and the  time  of such  surrender;
provided, however, that no such person shall be entitled to receive any interest
on such dividends or other distributions.

         1.9      Fractional Shares.

         No certificates or scrip representing fractional Merger Shares shall be
issued to  former  Company  Stockholders  upon the  surrender  for  exchange  of
Certificates,  and such former Company Stockholders shall not be entitled to any
voting rights,  rights to receive any dividends or distributions or other rights
as a stockholder of the Buyer with respect to any fractional  Merger Shares that
would  otherwise be issued to such former Company  Stockholders.  In lieu of any
fractional  Merger Shares that would  otherwise be issued,  each former  Company
Stockholder  that would have been entitled to receive a fractional  Merger Share
shall,  upon proper  surrender  of such  person's  Certificates,  receive a cash
payment equal to the Escrow Share Market Value,  multiplied by the fraction of a
share that such Company Stockholder would otherwise be entitled to receive.

         1.10     Options and Warrants.

                  (a) As of the Effective Time, all options to purchase  Company
Shares  issued  by the  Company  pursuant  to its 1994  Stock  Option  Plan (the
"Company Stock Option Plan") or pursuant to the resolution of Company's Board of
Directors or the Compensation  Committee  thereof  ("Options"),  whether vested,
unvested or subject to repurchase by Company following such exercise,  which are
outstanding  and not exercised  immediately  prior to the  Effective  Time shall
become and represent an option to acquire,  on the same terms and  conditions as
were applicable under such Option  immediately prior to the Effective Time, such
number of  shares of Buyer  Common  Stock as is equal to the  number of  Company
Shares  subject to the  unexercised  portion of such  Option  multiplied  by the
Standard Exchange Ratio (with any fraction resulting from such multiplication to
be rounded down to the next lower whole number). The exercise price per share of
each such assumed  Option  shall be equal to the  exercise  price of such Option
immediately prior to the Effective Time,  divided by the Standard Exchange Ratio

                                       12
<PAGE>

(with any fraction of a cent  resulting  from such  division to be rounded up to
the next  higher  whole  cent),  but  shall not be less  than  $.001.  The term,
exercisability (including any acceleration of exercisability as a result of this
transaction),  vesting schedule,  repurchase provisions, status as an "incentive
stock  option"  under  Section  422 of the  Internal  Revenue  Code of 1986  (as
amended,  the "Code"), if applicable,  and all of the other terms of the Options
in effect immediately prior to the Effective Time and after giving effect to any
acceleration of vesting for such Options as a result of this  transaction  shall
otherwise  remain  unchanged.  As of the Effective Time, the warrant to purchase
Series C Convertible  Preferred Stock issued by the Company ("the Warrant"),  to
the extent  outstanding  and not  exercised  immediately  prior to the Effective
Time,  shall  become and  represent a Warrant to acquire,  on the same terms and
conditions  as were  applicable  under  such  Warrant  immediately  prior to the
Effective  Time,  such number of shares of Buyer Common Stock as is equal to the
number of Company  Shares  subject to the  unexercised  portion of such  Warrant
immediately  prior to the  Effective  Time  multiplied  by the Series C Exchange
Ratio (with any fraction  resulting from such  multiplication to be rounded down
to the next  lower  whole  number).  The  exercise  price per share of each such
assumed Warrant shall be equal to the exercise price of such Warrant immediately
prior to the Effective  Time,  divided by the Series C Exchange  Ratio (with any
fraction  of a cent  resulting  from such  division to be rounded up to the next
higher whole cent).  The term and all of the other  provisions of the Warrant in
effect immediately prior to the Effective Time shall otherwise remain unchanged.

                  (b) As soon as practicable  after the Effective Time, Buyer or
the  Surviving  Corporation  shall deliver to the holders of Options and Warrant
appropriate  notices setting forth such holders' rights pursuant to such Options
and Warrant, as amended by this Section 1.10, and the agreements evidencing such
Options and Warrant  shall  continue in effect on the same terms and  conditions
(subject to the amendments provided for in this Section 1.10 and such notice).

                  (c) Buyer shall take all corporate action necessary to reserve
for  issuance a  sufficient  number of shares of Buyer Common Stock for delivery
upon exercise of the Options exchanged in accordance with this Section 1.10. Not
later than May 20, 1998,  Buyer shall file a Registration  Statement on Form S-8
(or any  successor  form)  under the  Securities  Act of 1933 (as  amended,  the
"Securities  Act") with respect to all shares of Buyer  Common Stock  subject to
such Options,  and shall use its best efforts to maintain the  effectiveness  of
such Registration Statement for so long as such Options remain outstanding.

                  (d) The Company shall use commercially  reasonable  efforts to
obtain,  prior to the Closing,  the consent from each holder of an Option to the
assumption of such Option pursuant to this Section 1.10,  including an agreement
not to sell under the  Registration  Statement on Form S-8 until August 5, 1998,
unless such  holder's  employment  is  terminated by the Company on or after the
Effective Time.

         1.11     Certificate Legends.

         The shares of Buyer Common Stock to be issued  pursuant to this Article
I shall  not have been  registered  and shall be  characterized  as  "restricted
securities"  under the federal  securities laws, and under such laws such shares
may be resold without  registration  under the  Securities  Act, only in certain
limited circumstances.  Each certificate evidencing shares of Buyer Common Stock
to be issued pursuant to this Article I shall bear the following legend:

                                       13
<PAGE>

         THE SHARES  REPRESENTED  BY THIS  CERTIFICATE  HAVE BEEN  ACQUIRED  FOR
         INVESTMENT  AND HAVE NOT BEEN  REGISTERED  UNDER THE  SECURITIES ACT OF
         1933.  SUCH  SHARES  MAY NOT BE SOLD OR  OTHERWISE  TRANSFERRED  IN THE
         ABSENCE OF SUCH REGISTRATION  WITHOUT AN EXEMPTION UNDER THE SECURITIES
         ACT OR AN  OPINION OF LEGAL  COUNSEL  REASONABLY  ACCEPTABLE  TO VISUAL
         NETWORKS, INC. THAT SUCH REGISTRATION IS NOT REQUIRED.

         1.12     Certificate of Incorporation.

         At the Effective Time, the Certificate of  Incorporation of Merger Sub,
as in effect  immediately  prior the Effective Time, shall be the Certificate of
Incorporation of the Surviving  Corporation until thereafter amended as provided
by DGCL.

         1.13     By-laws.

         The  By-laws  of the  Surviving  Corporation  shall  be the same as the
By-laws of the Merger Sub immediately prior to the Effective Time.

         1.14     Directors and Officers.

         The  directors  of the Merger Sub shall  become  the  directors  of the
Surviving  Corporation  after the Effective Time. The officers of the Merger Sub
shall become the officers of the Surviving Corporation after the Effective Time,
retaining their respective positions.

         1.15     No Further Rights.

         All shares of Buyer Common Stock issued upon the surrender for exchange
of shares of Company Shares in accordance  with the terms hereof  (including any
cash paid in lieu of  fractional  shares) shall be deemed to have been issued in
full satisfaction of all rights pertaining to such Company Shares.

         1.16     Closing of Transfer Books.

         At the Effective Time, the stock transfer books of the Company shall be
closed and no transfer of Company Shares shall thereafter be made. If, after the
Effective Time,  Certificates are presented to the Surviving  Corporation or the
Exchange  Agent,  they shall be  canceled  and  exchanged  for Merger  Shares in
accordance with Section 1.5, subject to applicable law in the case of Dissenting
Shares.

                                       14
<PAGE>

         1.17     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.

         1.18     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 Buyer and Merger Sub,
the officers and directors of the Company and Merger Sub are fully authorized in
the name of their  respective  corporations or otherwise to take, and will take,
all such lawful and necessary action, so long as such action is not inconsistent
with this Agreement.


                                   ARTICLE II
                  REPRESENTATIONS AND WARRANTIES OF THE COMPANY

         The  Company  represents  and  warrants to the Buyer and the Merger Sub
that,  as of the date hereof,  the  statements  contained in this Article II are
true and correct,  except as set forth in the letter  provided by the Company to
the Buyer and the Merger Sub (the "Disclosure Letter").

         2.1      Organization, Qualification and Corporate Power.

         The Company is a corporation  duly organized,  validly  existing and in
corporate good standing under the laws of the State of Delaware.  The Company is
duly  qualified to conduct  business and is in corporate good standing under the
laws of each jurisdiction in which the nature of its businesses or the ownership
or leasing of its  properties  requires  such  qualification,  except  where the
failure to be so qualified or in good standing would not have a Material Adverse
Effect on the  Company.  The Company has the  corporate  power and  authority to
carry on the businesses in which it is engaged and to own and use the properties
owned and used by it. The Company has  furnished  to the Buyer true and complete
copies of its Certificate of Incorporation  and By-laws,  each as amended and as
in  effect  on  the  date   hereof   (hereinafter   "Charter"   and   "By-laws,"
respectively).  The  Company  is not in  default  under or in  violation  of any
provision of its Charter or By-laws, each as amended to date.

         2.2      Capitalization.

         The authorized  capital stock of the Company consists of (i) 14,000,000
shares of  Company  Common  Stock,  of which  3,834,700  shares  are  issued and
outstanding  and no  shares  are  held  in the  treasury  of the  Company,  (ii)
1,606,568  shares  of  preferred  stock,  of  which  (A) 500  shares  have  been
designated  as Series A  Convertible  Preferred  Stock,  of which 500 shares are

                                       15
<PAGE>

issued and  outstanding,  (B) 6,068 have been designated as Series B Convertible
Preferred  Stock,  of which  6,068  shares are issued  and  outstanding  and (C)
1,600,000 have been designated as Series C Convertible Preferred Stock, of which
1,533,361  shares are  issued and  outstanding.  Section  2.2 of the  Disclosure
Letter sets forth a complete and accurate  list of (i) all  stockholders  of the
Company,  indicating  the  type  and  number  of  Company  Shares  held  by each
stockholder,  and (ii) all holders of Options and Warrants,  indicating the type
and number of Company Shares subject to each Option and Warrant and the exercise
price thereof.  All of the Options and Warrants have been granted  pursuant to a
form of agreement or other instrument  previously  provided to the Buyer. All of
the issued and  outstanding  Company Shares are, and all Company Shares that may
be issued  upon  exercise  of Options and  Warrants  will be,  duly  authorized,
validly issued,  fully paid,  nonassessable  and free of all preemptive  rights.
There are no declared or accrued but unpaid  dividends with regard to any issued
and outstanding Company Shares. Holders of issued and outstanding Company Shares
have no basis for  asserting  rights to rescind the purchase of any such Company
Shares.  Other  than the  Options  and  Warrants,  there are no  outstanding  or
authorized options, warrants, rights, calls, convertible instruments, agreements
or  commitments  to which the Company is a party or which are  binding  upon the
Company  providing for the issuance,  disposition  or  acquisition of any of its
capital  stock.  There are no  outstanding  or  authorized  stock  appreciation,
phantom  stock or similar  rights with  respect to the  Company.  Except for the
Stockholder  Agreements,  there are no agreements,  voting trusts,  proxies,  or
understandings  with respect to the voting, or registration under the Securities
Act,  of any  Company  Shares (i)  between or among the  Company  and any of its
stockholders  and (ii) to the Company's  knowledge,  between or among any of the
Company's  stockholders.  All of the issued and outstanding  Company Shares were
issued in compliance with applicable federal and state securities laws.

         2.3      Authorization of Transaction.

         Subject to the  Requisite  Stockholder  Approval of the Merger and this
Agreement,  the Company has the  corporate  power and  authority  to execute and
deliver this Agreement and to perform its obligations  hereunder.  The execution
and delivery of this  Agreement  and,  subject to the adoption of this Agreement
and the  approval  of the Merger by a majority of the votes  represented  by the
outstanding  Company  Shares  entitled to vote on this Agreement and the Merger,
including  the approval of the holders of a majority of the shares of the Series
B  Convertible  Preferred  Stock and the Series C Convertible  Preferred  Stock,
voting  in  accordance  with  the  DGCL  and the  Charter  of the  Company  (the
"Requisite  Stockholder  Approval"),  the  performance  by the  Company  of this
Agreement and the consummation by the Company of the  transactions  contemplated
hereby have been duly and validly  authorized by all necessary  corporate action
on the part of the Company.  This  Agreement has been duly and validly  executed
and delivered by the Company and, assuming the due authorization,  execution and
delivery  by the Buyer  and the  Merger  Sub,  constitutes  a valid and  binding
obligation of the Company,  enforceable  against the Company in accordance  with
its terms,  except as  enforcement  may be limited  by  bankruptcy,  insolvency,
fraudulent  conveyance,  reorganization,   moratorium  and  other  similar  laws
affecting the enforcement of creditors'  rights  generally,  and except that the
availability of equitable remedies,  including specific performance,  is subject
to the  discretion  of the court  before  which any  proceeding  therefor may be
brought.

                                       16
<PAGE>

         2.4      Noncontravention.

         Subject to receipt of the Requisite  Stockholder  Approval,  compliance
with the applicable  requirements of the Securities Act and any applicable state
securities  laws and the filing of the  Certificate of Merger as required by the
DGCL,  neither the execution and delivery of this Agreement by the Company,  nor
the consummation by the Company of the transactions  contemplated  hereby,  will
(a)  conflict  with or violate  any  provision  of the Charter or By-laws of the
Company,  (b) require on the part of the Company any filing with, or any permit,
authorization,  consent  or  approval  of, any  court,  arbitrational  tribunal,
administrative   agency  or  commission  or  other  governmental  or  regulatory
authority or agency (a "Governmental  Entity"),  (c) conflict with,  result in a
breach of,  constitute  (with or without  due notice or lapse of time or both) a
default under,  result in the  acceleration of, create in any party the right to
accelerate,  terminate,  modify or cancel,  or require  any  notice,  consent or
waiver under,  any material  contract,  lease,  sublease,  license,  sublicense,
franchise,  permit,  indenture,   agreement  or  mortgage  for  borrowed  money,
instrument of indebtedness,  Security Interest or other arrangement to which the
Company  is a party or by which  the  Company  is bound or to which any of their
material  assets is  subject,  (d)  result  in the  imposition  of any  Security
Interest  upon any assets of the  Company,  except as  contemplated  by the Loan
Documents, or (e) violate any order, writ, injunction,  decree, statute, rule or
regulation  applicable to the Company,  any of its  properties or assets,  other
than  such  conflicts,  violations,  defaults,  cancellations  or  accelerations
referred to in clauses  (a)  through (d) hereof  which would not have a Material
Adverse  Effect  on the  Company.  For  purposes  of this  Agreement,  "Security
Interest" means any mortgage, pledge, security interest, encumbrance, charge, or
other lien (whether  arising by contract or by operation of law), other than (i)
mechanic's,  materialmen's, and similar liens, (ii) liens arising under worker's
compensation,  unemployment insurance, social security,  retirement, and similar
legislation,   and  (iii)  liens  on  goods  in  transit  incurred  pursuant  to
documentary  letters of credit,  in each case arising in the ordinary  course of
business   consistent  with  past  custom  and  practice  ("Ordinary  Course  of
Business")  of the Company and not  material to the  Company.  "Loan  Documents"
shall mean the Credit  Agreement  by and between the Buyer and the  Company,  as
well  as  all  additional  instruments  and  documents  executed  and  delivered
therewith.

         2.5      Subsidiaries.

         The Company  does not have any direct or indirect  subsidiaries  or any
other  equity  interest  in any  other  firm,  corporation,  partnership,  joint
venture, association or other business organization.

         2.6      Financial Statements

         The Company has  provided to the Buyer (i) the audited  balance  sheets
and statements of operations, changes in stockholders' equity and cash flows for
the fiscal years ended  December  31, 1995 and  December 31, 1996;  and (ii) the
unaudited balance sheet,  statement of operations and statement of cash flows as


                                       17
<PAGE>

of and for the fiscal year ended December 31, 1997 (the "Most Recent Fiscal Year
End"). Such financial statements (collectively, the "Financial Statements") have
been prepared in accordance  with United States  generally  accepted  accounting
principles ("GAAP") applied on a consistent basis throughout the periods covered
thereby, fairly present the financial condition,  results of operations and cash
flows of the  Company as of the  respective  dates  thereof  and for the periods
referred  to  therein  and are  consistent  with the  books and  records  of the
Company, provided,  however, that the Financial Statements referred to in clause
(ii) above are subject to normal recurring year-end  adjustments  (which, to the
Company's  knowledge,  will not in the aggregate be material) and do not include
footnotes.

         2.7      Absence of Certain Changes.

         Since  December 31, 1997, the Company has conducted its business in the
ordinary course  consistent  with past practice and there has not occurred:  (i)
any change,  event or condition  (whether or not covered by insurance)  that has
resulted in, or might  reasonably be expected to result in any material  adverse
change in the assets, business,  financial condition or results of operations of
the  Company  and (b) the  Company has not taken any of the actions set forth in
Section 4.5.

         2.8      Undisclosed Liabilities.

         The  Company  has no  liability  (whether  known  or  unknown,  whether
absolute or contingent, whether liquidated or unliquidated and whether due or to
become  due),  except for (a)  liabilities  accrued or  reserved  against on the
December 31, 1997,  unaudited  consolidated  balance sheet of the Company ("Most
Recent Balance  Sheet"),  (b)  liabilities  which have arisen since December 31,
1997,  in the  Ordinary  Course of Business  and which are similar in nature and
amount to the  liabilities  which arose during the comparable  period of time in
the  immediately   preceding   fiscal  period,   (c)  contractual  or  statutory
liabilities incurred in the Ordinary Course of Business,  (d) up to an aggregate
of $2,000,000  incurred in connection  with the preparation and execution of the
Agreement and in  anticipation of the Merger for legal,  accounting,  investment
banking fees and expenses and transition costs  (collectively,  the "Transaction
Costs"), (e) liabilities which are not material and (f) liabilities set forth on
Section 2.8 of the Disclosure Letter.

         2.9      Tax Matters.

                  (a) The Company has filed all Tax Returns that it was required
to file and all such Tax  Returns  were  correct and  complete  in all  material
respects.  The  Company  has paid or will pay all  Taxes  due on or  before  the
Closing Date,  regardless of whether shown on any such Tax Returns,  except such
as are being  contested in good faith by appropriate  proceedings (to the extent
any such  proceedings  are  required)  and with  respect to which the Company is
maintaining reserves adequate for their payment. The accrued but unpaid Taxes of
the Company for tax periods through the date of the Most Recent Balance Sheet do
not exceed the accruals and reserves for Taxes (other than  deferred  Taxes) set
forth on the Most Recent Balance  Sheet.  All Taxes  attributable  to the period


                                       18
<PAGE>

January 1, 1998 through the Closing Date are  attributable to the conduct by the
Company of its operations in the Ordinary Course of Business. The Company has no
actual or, to its knowledge,  potential  liability for any Tax obligation of any
taxpayer  (including  without limitation any affiliated group of corporations or
other  entities that included the Company  during a prior period) other than the
Company.  All Taxes that the  Company is or was  required  by law to withhold or
collect have been duly withheld or collected and, to the extent  required,  have
been paid to the proper Governmental Entity,  except such as are being contested
in good faith by appropriate proceedings (to the extent any such proceedings are
required) and with respect to which the Company is maintaining reserves adequate
for their payment.

     (i)......For purposes of this Agreement,  "Taxes" means all taxes, charges,
fees,  levies or other similar  assessments or  liabilities,  including  without
limitation income, gross receipts,  ad valorem,  premium,  value-added,  excise,
real property, personal property, sales, use, transfer, withholding, employment,
payroll  and  franchise  taxes  imposed by the  United  States of America or any
state, local or foreign  government,  or any agency thereof,  or other political
subdivision  of the  United  States or any such  government,  and any  interest,
fines,  penalties,  assessments or additions to tax resulting from, attributable
to or incurred in connection  with any tax or any contest or dispute thereof and
any amounts of Taxes of another  person that the  Company or any  Subsidiary  is
liable to pay by law or otherwise.

     (ii).....For  purposes of this Agreement,  "Tax Returns" means all reports,
returns,  declarations,  statements or other information required to be supplied
to a taxing authority in connection with Taxes.

     (iii)....For  purposes of determining the amount of Taxes attributable to a
specified  period  (e.g.,  the period from the date of the Most  Recent  Balance
Sheet  through  the Closing  Date)  other than a Tax  Period,  each Tax shall be
computed as if the  specified  period were a Tax  Period.  For  purposes of this
sub-paragraph  (iii), a Tax Period means a period for which a Tax is required to
be computed under applicable statutes and regulations.

                  (b)  The  Company  has  delivered  to the  Buyer  correct  and
complete  copies of all  federal  income Tax  Returns,  examination  reports and
statements of deficiencies  assessed  against or agreed to by any of the Company
since June 13, 1994. The federal income Tax Returns of the Company have not been
audited by the Internal  Revenue  Service.  No  examination  or audit of any Tax
Returns of the Company by any  Governmental  Entity is currently in progress or,
to the knowledge of the Company, threatened or contemplated. The Company has not
waived  any  statute  of  limitations  with  respect  to Taxes or  agreed  to an
extension of time with respect to a tax assessment or deficiency.

                  (c) The Company is not a "consenting  corporation"  within the
meaning of Section  341(f) of the Code and none of the assets of the Company are
subject to an election  under  Section  341(f) of the Code.  The Company has not
been a United States real  property  holding  corporation  within the meaning of
Section  897(c)(2) of the Code during the applicable period specified in Section
897(c)(l)(A)(ii)  of the Code.  The Company is not a party to any Tax allocation
or sharing agreements.

                                       19
<PAGE>

                  (d) The  Company  is not and has  never  been a  member  of an
"affiliated  group" of  corporations  (within the meaning of Section 1504 of the
Code).

         2.10     Assets.

                  (a) The  Company  has good  and  valid  title to all  tangible
assets necessary for the conduct of its businesses as presently conducted and as
presently proposed to be conducted. Each such tangible asset is suitable for the
purposes for which it presently  is used.  No asset of the Company  (tangible or
intangible) is subject to any Security Interest.

                  (b)  The  inventories  (net  of  any  reserves)  shown  on the
Financial  Statements or thereafter acquired by the Company,  consisted of items
of a quantity and quality usable or salable in the Ordinary  Course of Business.
Since December 31, 1997, the Company has continued to replenish inventories in a
normal and customary manner consistent with past practices.  The Company has not
received notice that it will experience in the foreseeable future any difficulty
in obtaining,  in the desired quantity and quality and at a reasonable price and
upon  reasonable  terms and  conditions,  the  supplies  or  component  products
required for the manufacture,  assembly or production of its products. The value
at which  inventories are carried reflect the inventory  valuation policy of the
Company,  which is consistent with its past practice and in accordance with GAAP
applied on a consistent basis.

                  (c)  Subject  to any  reserves  set  forth  in  the  Financial
Statements,  the accounts receivable shown on the Financial Statements represent
and will represent bona fide claims against debtors for sales and other charges,
and are not subject to  discount  except for normal  cash and  immaterial  trade
discounts. The value at which reserves are carried reflect the reserve valuation
policy  of the  Company,  which is  consistent  with its  past  practice  and in
accordance with GAAP applied on a consistent basis.

         2.11     Owned Real Property.

         The Company does not own any real property.

                                       20
<PAGE>

         2.12     Intellectual Property.

                  (a) The Company  owns,  or is licensed or otherwise  possesses
legally  enforceable rights to use (free and clear of any liens or encumbrances,
other than as set forth in the Loan Documents), all issued United States patents
listed  on the  Disclosure  Letter,  trademarks,  trade  names,  service  marks,
copyrights, and any applications for such trademarks, trade names, service marks
and  copyrights,  and all patent rights listed on the Disclosure  Letter,  trade
secrets,  schematics,   technology,  know-how,  computer  software  programs  or
applications and tangible or intangible proprietary information or material and,
to the Company's knowledge, all third-party issued United States patents, patent
rights  and  patent  applications  (excluding  packaged  commercially  available
licensed  software  programs  sold to the public)  (collectively,  "Intellectual
Property") that are used to conduct its business as currently conducted.

     (i) ....Section  2.12(a)(i) of the Disclosure  Letter lists all patents and
patent  applications  and all  trademarks,  copyrights,  trade names and service
marks owned by the Company and/or which are used in the business of the Company,
including the jurisdictions in which each such  Intellectual  Property right has
been issued or registered or in which any such  application for such issuance or
registration has been filed.

     (ii)  ...Section  2.12(a)(ii) of the  Disclosure  Letter lists all material
written  licenses,  sublicenses  and other  agreements to which the Company is a
party and  pursuant to which any person is  authorized  to use any  Intellectual
Property  rights of the  Company,  except such  licenses,  sublicenses  or other
agreements  with  end-users  that  grant  non-exclusive  rights to use a Company
product in  accordance  with the  Company's  standard  form of end-user  license
agreement.

     (iii)....Section  2.12(a)(iii) of the Disclosure  Letter lists all material
written licenses,  sublicenses and other agreements as to which the Company is a
party and  pursuant  to which the Company is  authorized  to use any third party
patents, patent rights, trademarks,  service marks, trade secrets or copyrights,
including software ("Third Party  Intellectual  Property Rights") which are used
in the business of the Company or which form a part of any  existing  product or
service of the  Company,  excluding  packaged  commercially  available  licensed
software programs sold to the public.

     (iv).....Section  2.12(a)(iv) of the  Disclosure  Letter lists all material
written agreements or other arrangements under which the Company has provided or
agreed to provide source code of any Company product to any third party,  except
for software development kits provided to agent integration providers.

         The Company has made available to the Buyer correct and complete copies
of all such patents,  registrations,  applications,  licenses,  sublicenses  and
agreements  as amended to date.  The Company is not a party to any material oral
license,  sublicense or agreement  which,  if reduced to written form,  would be
required to be listed in Section 2.12 of the  Disclosure  Letter under the terms
of this Section 2.12(a).

                                       21
<PAGE>

                  (b) With respect to each item of  Intellectual  Property  that
the Company owns: (i) subject to such rights as have been granted by the Company
under license agreements entered into by the Company (copies of which previously
have been delivered to the Buyer),  the Company  possesses all right,  title and
interest  in and to  such  item;  and  (ii)  such  item  is not  subject  to any
outstanding judgment, order, decree, stipulation or injunction.  With respect to
each  item of  Third  Party  Intellectual  Property  Rights:  (i)  the  license,
sublicense  or other  agreement  covering  such item is legal,  valid,  binding,
enforceable  and in full force and effect  with  respect  to the  Company  party
thereto,  and to the Company's knowledge is legal, valid,  binding,  enforceable
and in full force and effect with respect to each other party thereto;  (ii) the
Company  is not in  material  breach  or  default  under,  and to the  Company's
knowledge,  no other  party is in  material  breach or default  under,  any such
license or other  agreement and no event has occurred which with notice or lapse
of time would  constitute  a material  breach or default or permit  termination,
modification  or  acceleration  thereunder;  (iii) the underlying  item of Third
Party Intellectual Property is not subject to any outstanding  judgment,  order,
decree,  stipulation  or  injunction to which the Company is a party or has been
served,  nor  to the  Company's  knowledge  subject  to  any  other  outstanding
judgment,  order,  decree,  stipulation,  or injunction;  and (iv) no license or
other fee is payable upon any transfer or assignment of such license, sublicense
or other agreement.

                  (c) The Company (i) has not been served in any suit, action or
proceeding  which involves a claim of  infringement or  misappropriation  of any
Intellectual  Property  right of any third party and (ii) has not  received  any
written notice alleging any such claim of infringement or misappropriation.  The
Company has previously delivered to the Buyer correct and complete copies of all
such suits,  actions or proceedings or written notices to the extent the Company
is not prohibited from disclosing the same under  applicable  court orders.  The
manufacturing,  marketing,  licensing  or  sale  of the  Company's  commercially
available  products  does not infringe any  Intellectual  Property  right of any
third party or, to the Company's  knowledge,  any valid U.S. patent;  and to the
knowledge of the Company,  the  Intellectual  Property rights of the Company are
not being infringed by activities, products or services of any third party.

                  (d)  The  execution  and  delivery  of this  Agreement  by the
Company,  and the consummation of the  transactions  contemplated  hereby,  will
neither  cause the  Company to be in  violation  or default  under any  material
license, sublicense or agreement, nor terminate nor modify nor entitle any other
party to any such  license,  sublicense or agreement to terminate or modify such
license,  sublicense or agreement, nor limit in any way the Company's ability to
conduct its business or use or provide the use of the  Intellectual  Property or
Third Party Intellectual Property Rights.

                  (e) The Company has taken reasonable security measures,  which
the Company  believes are  consistent  with measures taken by companies that are
within the Company's industry and that are similarly situated as the Company, to
safeguard  and  maintain  the  secrecy,  confidentiality  and value of,  and its
property  rights in, all  Intellectual  Property.  All  officers,  employees and
consultants  of the  Company  who have  access  to  proprietary  information  or
Intellectual  Property  have  executed and delivered to the Company an agreement


                                       22
<PAGE>

regarding the  protection of proprietary  information  and the assignment to the
Company of all Intellectual Property arising from the services performed for the
Company by such persons. No current or prior officers,  employees or consultants
of the Company  have made any  written  claim to any  ownership  interest in any
material  Intellectual  Property  as a result of  having  been  involved  in the
development  of such property  while employed by or consulting to the Company or
otherwise.  Any items of  Intellectual  Property  developed  by employees of the
Company have been  developed  by  employees  of the Company  within the scope of
their employment.

                  (f) The  Company has the right,  title and  interest in and to
all material software development tools, not entirely developed internally, used
by the Company in the  development of any of the computer  software  included in
the Intellectual  Property,  excluding packaged commercially  available licensed
software  programs,  operating  systems  and  development  tools  sold  or  made
available to the public.

                  (g) As of the  date  hereof  and to the  Company's  knowledge,
there are no defects in the Company's commercially available products, and there
are no  errors  in any  documentation,  specifications,  manuals,  user  guides,
promotional material, technical documentation,  drawings, flow charts, diagrams,
source language statements and demo disks related to, associated with or used or
produced in the development of the Company's  commercially  available  products,
which defects or errors would reasonably be expected to have, individually or in
the  aggregate,  a  Material  Adverse  Effect  on  the  Company.  The  Company's
commercially  available  products operate as represented in the  specifications,
manuals,  user guides,  promotional  materials and demo disks,  except where the
failure to so operate would not have a Material  Adverse  Effect on the Company.
The occurrence in or use by the commercially  available  products currently sold
by the  Company of dates on or after  January 1, 2000 (the  "Millennial  Dates")
will not adversely  affect the  performance of the software with respect to date
dependent  data,  computations,  output or other  functions  (including  without
limitation, calculating, computing and sequencing) and the software will create,
sort and generate output data related to or including  Millennial  Dates without
errors or omissions,  provided, however, in each case, each software or hardware
product used in conjunction with the computer software products are also able to
create, generate, sort, output and otherwise process Millennial Dates.

                  (h) No government  funding or university or college facilities
were used in the development of the Company's  commercially  available  products
and the software was not developed  pursuant to any contract or other  agreement
with any person or entity.

         2.13     Real Property Leases.

         Section 2.13 of the Disclosure Letter lists all real property leased or
subleased to the  Company.  The Company has  delivered to the Buyer  correct and
complete  copies of the  leases and  subleases  (as  amended to date)  listed in
Section 2.13 of the Disclosure  Letter.  With respect to each lease and sublease
listed in Section 2.13 of the Disclosure Letter:

                                       23
<PAGE>

                  (a)  the  lease  or   sublease  is  legal,   valid,   binding,
enforceable  and in full force and effect with  respect to the  Company,  to the
Company's knowledge is legal, valid, binding,  enforceable and in full force and
effect with  respect to each other  party  thereto,  and will  continue to be so
following the Closing in accordance with the terms thereof as in effect prior to
the Closing;

                  (b) the  Company  is not in breach or  default  under any such
lease or  sublease,  to the  Company's  knowledge no other party to the lease or
sublease is in breach or default, and, to the Company's knowledge,  no event has
occurred  which,  with  notice or lapse of time,  would  constitute  a breach or
default or permit termination, modification, or acceleration thereunder;

                  (c) there are no  disputes,  oral  agreements  or  forbearance
programs in effect as to the lease or sublease; and

                  (d) the  Company  has  not  assigned,  transferred,  conveyed,
mortgaged,  deeded in trust or  encumbered  any  interest  in the  leasehold  or
subleasehold except as contemplated by the Loan Documents.

         2.14     Contracts.

         Section  2.14 of the  Disclosure  Letter  lists the  following  written
arrangements  (including  without  limitation  written  agreements) to which the
Company is a party:

                  (a) any  written  arrangement  (or  group of  related  written
arrangements)  for the  lease of  personal  property  from or to  third  parties
providing for lease payments in excess of $50,000 per annum;

                  (b) any  written  arrangement  (or  group of  related  written
arrangements)  for the licensing or distribution of software,  products or other
personal  property or for the  furnishing or receipt of services (i) which calls
for  performance  over a period of more than one year,  (ii) which involves more
than the sum of $50,000,  or (iii) in which the  Company  has granted  rights to
license,  sublicense  or copy,  "most  favored  nation"  pricing  provisions  or
exclusive marketing or distribution rights relating to any products or territory
or has agreed to purchase a minimum  quantity of goods or services or has agreed
to purchase goods or services exclusively from a certain party;

                  (c) any written arrangement establishing a partnership or
joint venture;

                  (d) any  written  arrangement  (or  group of  related  written
arrangements) under which it has created,  incurred,  assumed, or guaranteed (or
may create,  incur, assume, or guarantee)  indebtedness  (including  capitalized
lease obligations) involving more than $50,000 or under which it has imposed (or
may impose) a Security Interest on any of its assets, tangible or intangible;

                                       24
<PAGE>

                  (e) the  form of any  written  arrangement  concerning
confidentiality  or  noncompetition, including a list of all parties to such
agreements;

                  (f)  any  written  arrangement  involving  any of the  Company
Stockholders or their affiliates,  as defined in Rule 12b-2 under the Securities
Exchange Act of 1934, as amended (the "Exchange Act") ("Affiliates");

                  (g) any written  arrangement  under which the consequences of
a default or termination could have a Material Adverse Effect on the Company;

                  (h) any other written arrangement (or group of related written
arrangements)  either  involving  more than  $50,000 or not entered  into in the
Ordinary Course of Business;

                  (i) any written  arrangement  under which the Company provides
maintenance or support  services to any third party with regard to the Company's
products and any written  arrangement  containing a commitment by the Company to
provide  support for any such  products  for more than one year from the date of
this Agreement (other than arrangements which by their terms permit the customer
to extend such services after the expiration of the initial one year term);

                  (j) any written arrangement by which the Company agrees to
make available any product; and

                  (k) any other  material  contract or agreement,  as such terms
are defined in Regulation S-K promulgated  under the Securities Act to which the
Company is a party.

         The Company has  delivered to the Buyer a correct and complete  copy of
each  written   arrangement   (or,  in  the  case  of   confidentiality   and/or
noncompetition  arrangements,  the forms of such  agreement(s))  (as  amended to
date)  listed in Section  2.14 of the  Disclosure  Letter.  With respect to each
written  arrangement so listed:  (i) the written  arrangement  is legal,  valid,
binding and enforceable and in full force and effect with respect to the Company
and, to the Company's knowledge the written arrangement is legal, valid, binding
and is enforceable and in full force and effect with respect to each other party
thereto;  (ii) the written arrangement will continue to be legal, valid, binding
and enforceable and in full force and effect  immediately  following the Closing
in accordance  with the terms thereof as in effect prior to the Closing and does
not require the consent of any party to the  transactions  contemplated  hereby;
and (iii) the Company is not in breach or default,  to the Company's  knowledge,
no other party thereto is in breach or default,  and no event has occurred which
with  notice or lapse of time  would  constitute  a breach or  default or permit
termination,  modification, or acceleration,  under the written arrangement. The
Company  is not a party to any oral  contract,  agreement  or other  arrangement
which,  if reduced to written  form,  would be  required to be listed in Section
2.14 of the Disclosure Letter under the terms of this Section 2.14.

                                       25
<PAGE>

         2.15     Powers of Attorney.

         There are no outstanding  powers of attorney  executed on behalf of the
Company.

         2.16     Insurance.

         Section  2.16 of the  Disclosure  Letter  lists each  insurance  policy
(including fire,  theft,  casualty,  general  liability,  workers  compensation,
business interruption, environmental, product liability and automobile insurance
policies and bond and surety  arrangements)  to which the Company is a party,  a
named insured,  or otherwise the  beneficiary of coverage at any time within the
past year.  Section  2.16 of the  Disclosure  Letter lists each person or entity
required to be listed as an additional insured under each such policy. Each such
policy is in full force and effect and by its terms and with the  payment of the
requisite  premiums  thereon  will  continue  to be in  full  force  and  effect
following the Closing.

         The Company is not in breach or default  (including with respect to the
payment of premiums or the giving of notices)  under such  policy,  and no event
has occurred which,  with notice or the lapse of time,  would  constitute such a
breach or default or permit  termination,  modification or  acceleration,  under
such  policy;  and the  Company  has not  received  any notice  from the insurer
disclaiming  coverage or reserving  rights with respect to a particular claim or
such policy in general.  The Company has not incurred any material loss, damage,
expense or liability  covered by any such insurance  policy for which it has not
properly asserted a claim under such policy. The Company is covered by insurance
in scope and amount  customary and  reasonable for the businesses in which it is
engaged.

         2.17     Litigation.

                  (a) Section 2.17(a) of the Disclosure Letter  identifies,  and
contains  a  description  of,  (i)  any  unsatisfied  judgment,  order,  decree,
stipulation  or  injunction  and  (ii)  any  claim,  complaint,   action,  suit,
proceeding,  hearing or investigation of or in any Governmental Entity or before
any arbitrator to which the Company, any officer, director, employee or agent of
the Company (in such  person's  capacity  as an officer,  director,  employee or
agent of the Company and not  personally)  is or was (for the two years prior to
and including  the date hereof) a party or, to the knowledge of the Company,  is
threatened  to be  made  a  party.  None  of  the  complaints,  actions,  suits,
proceedings, hearings, and investigations set forth in the Disclosure Letter, if
determined  adversely to the  Company,  would  reasonably  be expected to have a
Material Adverse Effect on the Company.

                  (b) Section  2.17(b) of the Disclosure  Letter  identifies any
material  agreement  or  other  document  or  instrument   settling  any  claim,
complaint, action, suit or other proceeding against the Company.

                                       26
<PAGE>

         2.18     Employees.

         The Company has provided to the Buyer a written  list of all  employees
of the  Company,  along  with  the  position  and  the  current  annual  rate of
compensation  of each  such  person.  Each  such  employee  has  entered  into a
confidentiality/assignment  of inventions  agreement with the Company, a form of
which has  previously  been  delivered  (with  copies  thereof  having been made
available) to the Buyer. To the Company's knowledge, no Key Employee or group of
employees  has any plans to  terminate  employment  with the Company  within six
months of the date  hereof.  "Key  Employee"  shall mean Alex Ali,  Ralph  Beck,
Michael   Courtemanche,   Martin  Jenkel,  Paul  Kelley,  Kevin  Little,  Stuart
MacEachern,  Stephen  McCalmont or Dan Trippe.  The Company is not a party to or
bound  by any  collective  bargaining  agreement,  nor  has it  experienced  any
material  strikes,  grievances,  claims  of  unfair  labor  practices  or  other
collective   bargaining   disputes.   The  Company  has  no   knowledge  of  any
organizational  effort made or threatened,  either  currently or within the past
two years,  by or on behalf of any labor union with  respect to employees of the
Company.  The  Company  is in  compliance  in all  material  respects  with  all
currently applicable laws and regulations respecting wages, hours,  occupational
safety, health and employment practices,  and discrimination in employment terms
and conditions,  and is not engaged in any unfair labor practice except, in each
case,  where such practice or failure to comply would not reasonably be expected
to have a Material  Adverse  Effect.  There are no pending  claims  against  the
Company  under  any  workers  compensation  plan  or  policy  or for  long  term
disability.  Premiums for COBRA coverage with respect to any former employees or
beneficiaries  are paid by the former employees or  beneficiaries.  There are no
proceedings pending or, to the knowledge of the Company, threatened, between the
Company  and its  employees,  which  proceedings  have or  would  reasonably  be
expected  to have a Material  Adverse  Effect on the  Company.  The  Company has
provided all employees, with all relocation benefits, stock options, bonuses and
incentives,  and all other compensation that such employee has earned up through
the date of this Agreement or that such employee was otherwise promised in their
employment agreements with the Company.

         2.19     Employee Benefits.

                  (a)  Section  2.19(a)  of the  Disclosure  Letter  contains  a
complete and accurate list of all material Employee Benefit Plans maintained, or
contributed  to, by the Company,  or any ERISA  Affiliate.  For purposes of this
Agreement, "Employee Benefit Plan" means any "employee pension benefit plan" (as
defined in Section 3(2) of the Employee  Retirement Income Security Act of 1974,
as amended  ("ERISA")),  any  "employee  welfare  benefit  plan" (as  defined in
Section  3(1) of  ERISA),  and any other  written  or oral  plan,  agreement  or
arrangement  involving  direct  or  indirect  compensation,   including  without
limitation insurance coverage, severance benefits, disability benefits, deferred
compensation,  bonuses,  stock options,  stock  purchase,  phantom stock,  stock
appreciation  or  other  forms  of  incentive  compensation  or  post-retirement
compensation. For purposes of this Agreement, "ERISA Affiliate" means any entity
which is a member of (i) a  controlled  group of  corporations  (as  defined  in
Section 414(b) of the Code),  (ii) a group of trades or businesses  under common
control  (as  defined in Section  414(c) of the  Code),  or (iii) an  affiliated
service group (as defined under  Section  414(m) of the Code or the  regulations


                                       27
<PAGE>

under Section 414(o) of the Code),  any of which includes the Company.  Complete
and accurate copies of (i) all Employee Benefit Plans which have been reduced to
writing,  (ii) written summaries of all unwritten  Employee Benefit Plans, (iii)
all related trust agreements, insurance contracts and summary plan descriptions,
and (iv) all annual reports filed on IRS Form 5500,  5500C or 5500R for the last
three plan years for each  Employee  Benefit  Plan,  have been  delivered to the
Buyer.  Each Employee Benefit Plan has been  administered in accordance with its
terms and each of the Company,  and the ERISA Affiliates has met its obligations
with  respect  to  such  Employee   Benefit  Plan  and  has  made  all  required
contributions  thereto.  The  Company  and all  Employee  Benefit  Plans  are in
material  compliance with the currently  applicable  provisions of ERISA and the
Code and the regulations thereunder.

                  (b) There are no  investigations  by any Governmental  Entity,
termination  proceedings or other claims (except claims for benefits  payable in
the normal  operation of the Employee Benefit Plans and proceedings with respect
to  qualified  domestic  relations  orders),  suits or  proceedings  against  or
involving  any  Employee  Benefit  Plan or  asserting  any  rights  or claims to
benefits  under any  Employee  Benefit Plan that could give rise to any material
liability.

                  (c) All the  Employee  Benefit  Plans that are  intended to be
qualified under Section 401(a) of the Code have received  determination  letters
from the Internal Revenue Service to the effect that such Employee Benefit Plans
are  qualified  and the plans and the trusts  related  thereto  are exempt  from
federal  income taxes under  Sections  401(a) and 501(a),  respectively,  of the
Code, no such determination  letter has been revoked and revocation has not been
threatened, and no such Employee Benefit Plan has been amended since the date of
its most recent determination letter or application therefor in any respect, and
no act or omission has occurred,  that would adversely affect its  qualification
or increase its cost.

                  (d)  Neither  the  Company  nor any ERISA  Affiliate  has ever
maintained an Employee  Benefit Plan subject to Section 412 of the Code or Title
IV of ERISA.

                  (e) At no time has the  Company  or any ERISA  Affiliate  been
obligated  to  contribute  to any  "multi-employer  plan" (as defined in Section
4001(a)(3) of ERISA).

                  (f)  There are no  unfunded  obligations  under  any  Employee
Benefit Plan providing  benefits after termination of employment to any employee
of the Company (or to any beneficiary of any such  employee),  including but not
limited to retiree  health  coverage and deferred  compensation,  but  excluding
continuation of health coverage  required to be continued under Section 4980B of
the Code and insurance conversion privileges under federal or state law.

                  (g) No act or omission has  occurred  and no condition  exists
with respect to any Employee Benefit Plan maintained by the Company or any ERISA
Affiliate that would subject the Company or any ERISA  Affiliate to any material
fine, penalty, tax or liability of any kind imposed under ERISA or the Code.

                                       28
<PAGE>

                  (h) No Employee Benefit Plan is funded by, associated with, or
related to a "voluntary employee's  beneficiary  association" within the meaning
of Section 501(c)(9) of the Code.

                  (i) No Employee Benefit Plan, plan documentation or agreement,
summary plan description or other written communication distributed generally to
employees by its terms  prohibits the Company from amending or  terminating  any
such Employee Benefit Plan.

                  (j) Section 2.19(j) of the Disclosure  Letter  discloses each:
(i) agreement with any director,  executive officer or other key employee of the
Company  (A) the  benefits  of which are  contingent,  or the terms of which are
altered,  upon the  occurrence  of a  transaction  involving  the Company of the
nature of any of the transactions  contemplated by this Agreement, (B) providing
any term of employment  or  compensation  guarantee or (C)  providing  severance
benefits or other benefits after the termination of employment of such director,
executive  officer or key employee;  (ii) agreement,  plan or arrangement  under
which any person may receive  payments  from the Company  that may be subject to
the tax imposed by Section 4999 of the Code or included in the  determination of
such person's  "parachute  payment"  under  Section 280G of the Code;  and (iii)
agreement or plan binding the Company,  including  without  limitation any stock
option  plan,  stock  appreciation  right plan,  restricted  stock  plan,  stock
purchase plan,  severance benefit plan, or any Employee Benefit Plan, any of the
benefits of which will be  increased,  or the  vesting of the  benefits of which
will be accelerated,  by the occurrence of any of the transactions  contemplated
by  this  Agreement  or the  value  of any of the  benefits  of  which  will  be
calculated  on  the  basis  of  any of the  transactions  contemplated  by  this
Agreement.

         2.20     Environmental Matters.

                  (a) The Company has complied with all applicable Environmental
Laws.  There is no pending or threatened civil or criminal  litigation,  written
notice of violation,  formal administrative  proceeding, or, to the knowledge of
the  Company,   any  investigation,   inquiry  or  information  request  by  any
Governmental  Entity,  relating to any  Environmental Law involving the Company.
For purposes of this Agreement,  "Environmental Law" means any federal, state or
local  law,  statute,   rule  or  regulation  relating  to  the  environment  or
occupational  health and  safety,  including  without  limitation  any  statute,
regulation or order pertaining to (i) treatment,  storage, disposal,  generation
and transportation of toxic or hazardous substances or toxic or hazardous waste;
(ii) air, water and noise pollution;  (iii) groundwater and soil  contamination;
(iv) the release or threatened release into the environment of industrial, toxic
or  hazardous  substances,  or  solid  or  hazardous  waste,  including  without
limitation  emissions,  discharges,  injections,  spills,  escapes or dumping of
pollutants or contaminants;  (v) the protection of wild life, marine sanctuaries
and  wetlands,  including  without  limitation  all  endangered  and  threatened
species; (vi) storage tanks, vessels and containers; (vii) underground and other
storage tanks or vessels,  abandoned,  disposed or discarded barrels, containers
and other closed  receptacles;  (viii)  health and safety of employees and other
persons;  and  (ix)  manufacture,  processing,  use,  distribution,   treatment,
storage, disposal, transportation or handling of pollutants, contaminants, toxic
or  hazardous  substances  or oil or  petroleum  products or toxic or  hazardous
waste.  As used above,  the terms  "release"  and  "environment"  shall have the
meaning  set  forth in the  federal  Comprehensive  Environmental  Compensation,
Liability and Response Act of 1980 ("CERCLA").

                                       29
<PAGE>

                  (b)  The   Company  has  not   released   any   Materials   of
Environmental Concern into the environment at any parcel of real property or any
facility  during  the time when such  real  property  or  facility  was  leased,
operated or controlled by the Company or a Subsidiary.  The Company is not aware
of  any  other  releases  of  Materials  of  Environmental  Concern  that  could
reasonably  be  expected to have an impact on the real  property  or  facilities
leased,  operated or controlled by the Company or a Subsidiary.  For purposes of
this  Agreement,  "Materials  of  Environmental  Concern"  means any  chemicals,
pollutants or contaminants,  hazardous substances (as such term is defined under
CERCLA), hazardous wastes (as such terms are defined under the federal Resources
Conservation and Recovery Act), toxic materials,  oil or petroleum and petroleum
products,  or any other material subject to regulation  under any  Environmental
Law.

                  (c) The  Company  is not aware of any  environmental  reports,
investigations and audits relating to premises currently or previously leased or
operated by the Company  (whether  conducted by or on behalf of the Company or a
third party,  and whether done at the initiative of the Company or directed by a
Governmental  Entity or other third party) being issued or conducted  during the
past five years .  Complete  and  accurate  copies of each such  report,  or the
results of each such investigation or audit, have been provided to the Buyer.

         2.21     Legal Compliance; Restrictions on Business Activities.

         The  Company  and the conduct and  operations  of its  business  are in
material  compliance with each law (including rules and regulations  thereunder)
of any federal, state, local or foreign government,  or any Governmental Entity,
which (a) affects or relates to this Agreement or the transactions  contemplated
hereby or (b) is applicable to the Company or business, except for any violation
of or default which would not reasonably be expected to have a Material  Adverse
Effect on the Company.  There is no agreement,  judgment,  injunction,  order or
decree  binding upon the Company  which has or would  reasonably  be expected to
have the effect of  prohibiting  or  materially  impairing any current or future
business practice of the Company as currently  contemplated by the Company,  any
acquisition of property of the Company or the conduct of business by the Company
as currently conducted.

         2.22     Permits.

         Section 2.22 of the Disclosure Letter sets forth a list of all permits,
licenses, registrations, certificates, orders or approvals from any Governmental
Entity (including  without  limitation those issued or required under applicable
export laws or regulations)  ("Permits") issued to or held by the Company.  Such
listed Permits are the only Permits that are required for the Company to conduct
its business as presently conducted, except for those the absence of which would
not have a Material  Adverse Effect on the Company.  Each such Permit is in full
force and  effect  and,  to the  knowledge  of the  Company,  no  suspension  or
cancellation  of such Permit is  threatened  and there is no basis for believing
that such Permit will not be renewable  upon  expiration.  Each such Permit will
continue in full force and effect following the Closing.

                                       30
<PAGE>

         2.23     Certain Business Relationships With Affiliates.

         No Affiliate of the Company (a) owns any property or right, tangible or
intangible,  which is used in the business of the Company,  (b) has any claim or
cause of action  against  the  Company,  or (c) owes any  money to the  Company.
Section  2.23  of  the  Disclosure   Letter   describes  any   transactions   or
relationships  between the Company and any Affiliate thereof which are reflected
in the  statements  of  operations  of the  Company  included  in the  Financial
Statements.

         2.24     Fees.

         The  Company  has no  liability  or  obligation  to  pay  any  fees  or
commissions to any broker, investment banking firm, finder or agent with respect
to the transactions contemplated by this Agreement.

         2.25     Books and Records.

         The minute books and other similar  records of the Company contain true
and  complete  records of all  material  actions  taken at any  meetings  of the
Company's  stockholders,  Board of Directors or any committee thereof and of all
written consents executed in lieu of the holding of any such meeting.

         2.26     Company Action.

         The Board of  Directors  of the  Company,  at a meeting duly called and
held, has by the unanimous vote of all directors (i) determined  that the Merger
is fair and in the best  interests  of the  Company and its  stockholders,  (ii)
adopted this Agreement in accordance  with the provisions of the DGCL, and (iii)
directed  that  this  Agreement  and the  Merger  be  submitted  to the  Company
Stockholders  for their  adoption and  approval  and resolved to recommend  that
Company  Stockholders  vote in favor of the adoption of this  Agreement  and the
approval of the Merger.

         2.27     Customers and Suppliers.

         As of the date hereof,  no customer  which  individually  accounted for
more  than  5% of the  Company's  gross  revenues  during  the 12  month  period
preceding  the date  hereof and no  supplier  of the  Company  has  canceled  or
otherwise  terminated,  or made any  written  threat to the Company to cancel or
otherwise  terminate its relationship  with the Company or has at any time on or
after  December 31, 1997,  decreased  materially its services or supplies to the
Company  in the case of any such  supplier,  or its usage of these  services  or
products  of the  Company  in the case of such  customer,  and to the  Company's
knowledge,  no supplier or customer has  indicated  either  orally or in writing
that it will cancel or otherwise  terminate its relationship with the Company or
decrease  materially its services or supplies to the Company or its usage of the
services  or products  of the  Company,  as the case may be. The Company has not
engaged in any  fraudulent  conduct  with respect to any customer or supplier of
the Company.

                                       31
<PAGE>

         2.28     Pooling of Interests.

         To  the  Company's  knowledge,  neither  the  Company  nor  any  of its
Affiliates  has taken or agreed to take any action that could prevent Buyer from
accounting  for the  business  combination  to be  effected  by the  Merger as a
"pooling of interests" in accordance with GAAP.

         2.29     Restrictions on Business Activities

         There is no agreement,  judgment,  injunction,  order or decree binding
upon  the  Company  or its  properties  (including,  without  limitation,  their
intellectual  properties)  which has or would reasonably be expected to have the
effect of prohibiting or materially impairing any acquisition of property by the
Company or the conduct of any business by the Company,  including  any exclusive
distribution  or licensing  agreements,  other than as  contemplated by the Loan
Documents.

         2.30     Certain Payments

         To the  Company's  knowledge,  neither the  Company  nor any  director,
officer,  agent,  or  employee  of the  Company  or any  other  person or entity
associated  with or acting  for or on behalf of the  Company,  has  directly  or
indirectly (a) made any contribution,  gift, bribe,  rebate,  payoff,  influence
payment,  kickback, or other payment to any person or entity, private or public,
regardless  of form,  whether  in money,  property,  or  services  (i) to obtain
favorable  treatment in securing business,  (ii) to pay for favorable  treatment
for  business  secured,  (iii) to  obtain  special  concessions  or for  special
concessions already obtained,  for or in respect of the Company or any affiliate
of the Company, or (iv) in violation of any federal,  state,  local,  municipal,
foreign or other constitution,  ordinance, regulation, statute, treaty, or other
law,  or (b)  established  or  maintained  any fund or  asset  that has not been
recorded in the books and records of the Company.

         2.31     Disclosure.

         No  representation  or  warranty  by  the  Company  contained  in  this
Agreement,  and no  statement  contained in the  Disclosure  Letter or any other
document,  certificate or other instrument delivered to or to be delivered by or
on behalf  of the  Company  pursuant  to this  Agreement,  contains  any  untrue
statement of a material fact or omits to state any material fact  necessary,  in
light  of the  circumstances  under  which  it was  made,  in  order to make the
statements herein not misleading.  Except for the representations and warranties
contained in this Article II, the Company makes no representation or warranty to
Buyer or Merger Sub,  either  express or implied,  at law or in equity,  and the
Company  disclaims  any such other  representation  or warranty,  whether by the
Company  or  any  of  its  agents  or   representatives  or  any  other  person,
notwithstanding  the  delivery  or  disclosure  to Buyer or Merger Sub or any of
their officers,  directors,  employees,  agents or  representatives or any other
person of any document or other  information by the Company or any of its agents
or representatives or any other person.

                                       32
<PAGE>


                                   ARTICLE III
                   REPRESENTATIONS AND WARRANTIES OF THE BUYER
                               AND THE MERGER SUB

         Each of the Buyer and the Merger Sub  represents  and  warrants  to the
Company as follows:

         3.1      Organization.

         Each of the Buyer and the Merger Sub is a corporation  duly  organized,
validly  existing  and in good  standing  under  the  laws of the  state  of its
incorporation.  Each of the Buyer and  Merger Sub is duly  qualified  to conduct
business and is in corporate good standing  under the laws of each  jurisdiction
in which  the  nature of its  businesses  or the  ownership  or  leasing  of its
properties  requires  such  qualification,  except  where the  failure  to be so
qualified or in good standing  would not have a Material  Adverse  Effect on the
Buyer or the Merger Sub.

         3.2      Capitalization.

         The  authorized  capital  stock of the Buyer  consists of Five  Million
(5,000,000)  shares of  undesignated  preferred  stock,  of which no shares were
issued and  outstanding  as of the date hereof,  and Fifty Million  (50,000,000)
shares of Buyer  Common  Stock,  of which  17,759,016  shares  were  issued  and
outstanding  and no shares were held in the treasury of the Buyer as of March 5,
1998.  All of the issued and  outstanding  shares of Buyer Common Stock are duly
authorized, validly issued, fully paid, nonassessable and free of all preemptive
rights.  All of the Merger Shares will be, when issued in  accordance  with this
Agreement,  duly authorized,  validly issued, fully paid, nonassessable and free
of all preemptive  rights.  As of March 31, 1998,  there were  3,275,000  shares
reserved  for issuance  under the Buyer's  1994 Stock Option Plan,  1997 Omnibus
Stock Plan and 1997 Directors' Stock Option Plan (the "Buyer Option Plans"),  of
which  options  to  purchase   1,830,313   shares  of  Buyer  Common  Stock  are
outstanding.  Other than shares  reserved  for  issuance  under the Buyer Option
Plans, there are no outstanding or authorized options,  warrants, rights, calls,
convertible instruments, agreements or commitments to which the Buyer is a party
or which are binding upon the Buyer  providing for the issuance,  disposition or
acquisition of any of its capital stock.  There are no outstanding or authorized
stock appreciation, phantom stock or similar rights with respect to the Buyer.

         3.3      Authorization of Transaction.

         Each of the Buyer and the Merger Sub has all corporate  requisite power
and  authority  to  execute  and  deliver  this  Agreement  and to  perform  its
obligations  hereunder  and  thereunder.  The  execution  and  delivery  of this
Agreement and the  performance  of this  Agreement and the  consummation  of the
transactions  contemplated  hereby  and  thereby by the Buyer and the Merger Sub
have been duly and validly  authorized by all necessary  corporate action on the
part of the Buyer and  Merger  Sub.  This  Agreement  has been duly and  validly
executed  and  delivered  by the Buyer and the Merger Sub and,  assuming the due


                                       33
<PAGE>

authorization,  execution  and delivery by the Company,  constitutes a valid and
binding obligation of the Buyer and the Merger Sub,  enforceable against them in
accordance  with its terms,  except as enforcement may be limited by bankruptcy,
insolvency or other similar laws affecting the enforcement of creditors'  rights
generally,  and except that the  availability of equitable  remedies,  including
specific performance, is subject to the discretion of the court before which any
proceeding therefor may be brought.

         3.4      Noncontravention.

         Subject  to  compliance   with  the  applicable   requirements  of  the
Securities Act and any applicable  state  securities  laws, the Exchange Act and
the filing of the  Certificate  of Merger as required  by the DGCL,  neither the
execution and delivery of this Agreement,  nor the  consummation by the Buyer or
the Merger Sub of the  transactions  contemplated  hereby or  thereby,  will (a)
conflict or violate any  provision of the charter or By-laws of the Buyer or the
Merger  Sub,  (b)  require on the part of the Buyer or the Merger Sub any filing
with, or permit, authorization, consent or approval of, any Governmental Entity,
(c) conflict with,  result in breach of,  constitute (with or without due notice
or lapse of time or both) a default under, result in the acceleration of, create
in any party any right to accelerate,  terminate,  modify or cancel,  or require
any notice,  consent or waiver under, any contract,  lease,  sublease,  license,
sublicense,  franchise,  permit,  indenture,  agreement or mortgage for borrowed
money,  instrument of indebtedness,  Security  Interest or other  arrangement to
which the Buyer or Merger Sub is a party or by which either is bound or to which
any of their assets are  subject,  or (d) violate any order,  writ,  injunction,
decree, statute, rule or regulation applicable to the Buyer or the Merger Sub or
any of their properties or assets.

         3.5      Reports and Financial Statements.

         The Buyer has  previously  furnished  or made  available to the Company
complete and accurate copies,  as amended or supplemented,  all reports filed by
the Buyer under  Section 13 of the  Exchange  Act with the SEC since the Buyer's
initial  public  offering  on February  6, 1998 (such  reports are  collectively
referred to herein as the "Buyer Reports").  The Buyer Reports constitute all of
the documents required to be filed by the Buyer under Section 13 of the Exchange
Act with the SEC  since  such  date.  As of their  respective  dates,  the Buyer
Reports did not contain any untrue statement of a material fact or omit to state
a  material  fact  required  to be  stated  therein  or  necessary  to make  the
statements  therein,  in light of the circumstances  under which they were made,
not misleading. The audited financial statements and unaudited interim financial
statements  of the Buyer  included in the Buyer Reports (i) comply as to form in
all material respects with applicable accounting  requirements and the published
rules and regulations of the SEC with respect  thereto,  (ii) have been prepared
in accordance  with GAAP applied on a consistent  basis  throughout  the periods
covered thereby (except as may be indicated therein or in the notes thereto, and
in the case of quarterly financial  statements,  as permitted by Form 10-Q under
the Exchange Act),  (iii) fairly present the consolidated  financial  condition,
results of  operations  and cash flows of the Buyer as of the  respective  dates
thereof and for the periods  referred to therein,  and (iv) are consistent  with
the books and records of the Buyer.

                                       34
<PAGE>

         3.6      Absence of Material Adverse Changes.

         Since December 31, 1997, there has not been any material adverse change
in the assets,  business,  financial  condition or results of  operations of the
Buyer,  nor has there occurred any event or development that could reasonably be
foreseen to result in such a material adverse change in the future.

         3.7      Litigation.

         Neither  Buyer  nor  Merger  Sub is a party to,  nor are its  assets or
properties subject to (i) any unsatisfied judgment,  order, decree,  stipulation
or injunction and (ii) any claim, complaint,  action, suit, proceeding,  hearing
or, to the Buyer's  knowledge,  investigation of or in any Governmental  Entity,
other  than  judgments,  orders,  decrees,  stipulations,  injunctions,  claims,
complaints, actions, suits, proceedings,  hearings or, to the Buyer's knowledge,
investigations that would not have a Material Adverse Effect on the Buyer.

         3.8      Company Action.

         The Board of  Directors  of the Buyer and Merger Sub, at meetings  duly
called and held, have by the unanimous vote of all directors (i) determined that
the Merger is fair and in the best  interests  of the Buyer and Merger Sub,  and
each of its stockholders, and (ii) adopted this Agreement in accordance with the
provisions of the DGCL.

         3.9      Pooling of Interests.

         To the Buyer's knowledge,  neither the Buyer nor Merger Sub, nor any of
their  respective  Affiliates have taken or agreed to take any action that could
prevent Buyer from accounting for the business combination to be effected by the
Merger as a "pooling of interests" in accordance with GAAP.

         3.10     Brokers' Fees.

         Neither the Buyer nor the Merger Sub has any liability or obligation to
pay any fees or commissions  to any broker,  finder or agent with respect to the
transactions contemplated by this Agreement except to Goldman, Sachs & Co.

         3.11     Disclosure.

         No representation or warranty by the Buyer contained in this Agreement,
and no statement  contained in any  document,  certificate  or other  instrument
delivered to or to be  delivered  by or on behalf of the Buyer  pursuant to this
Agreement,  contains or will contain any untrue  statement of a material fact or
omits  or will  omit to  state  any  material  fact  necessary,  in light of the
circumstances  under  which  it was or will  be  made,  in  order  to  make  the
statements herein or therein not misleading.

                                       35
<PAGE>


                                   ARTICLE IV
                                    COVENANTS

         4.1      Best Efforts.

         Each  of the  Parties  shall  use  its  best  efforts,  to  the  extent
commercially  reasonable,  to take all actions  and to do all things  necessary,
proper  or  advisable  to  consummate  the  transactions  contemplated  by  this
Agreement.

         4.2      Notices and Consents.

         Each  of the  Buyer,  the  Merger  Sub and the  Company  shall  use its
respective best efforts to obtain,  at its expense,  all such waivers,  permits,
consents,  approvals or other authorizations from third parties and Governmental
Entities,  and to effect all such registrations,  filings and notices with or to
third parties and Governmental  Entities,  as may be required by or with respect
to the Buyer,  the Merger Sub or the Company,  respectively,  in connection with
the transactions  contemplated by this Agreement  (including without limitation,
with respect to the Company,  those listed in Section 2.4 or Section 2.22 of the
Disclosure Letter).

         4.3      Special Meeting.

                  (a) Within 25 days of the date hereof,  the Company shall hold
a special  meeting  of Company  Stockholders  to be held to vote in favor of the
adoption of this Agreement and the approval of the Merger ("the Company  Special
Meeting")  in  accordance  with the  DGCL and  shall  solicit  proxies  from its
stockholders to vote in favor of the adoption of this Agreement and the approval
of the Merger at the Company Special  Meeting.  The Company shall include within
the private placement  memorandum/information statement that will be sent to the
Company Stockholders a request for the Company Stockholders to execute a written
consent of stockholders in lieu of special meeting.

                  (b) As soon as practical  after the date  hereof,  the Company
shall use commercially reasonable efforts on behalf of the Buyer and pursuant to
the request of the Buyer, to mail to the Company  Stockholders the materials set
forth in Section 4.3(a) hereof,  to cause each Company  Stockholder  who has not
executed a  Stockholder  Consent or a  Stockholder  Agreement  prior to the date
hereof  to  execute  the  Stockholder  Consent  or  the  Stockholder  Agreement.
"Stockholder   Agreement"  shall  mean  an  agreement   executed  by  a  Company
Stockholder in favor of and on behalf of the Buyer  substantially in the form of
Exhibit C hereto or in such other form reasonably acceptable to the Buyer.

                  (c) The Company shall comply with all applicable provisions of
the DGCL in the preparation,  filing and distribution of any such materials, the
solicitation of proxies  thereunder,  and the calling and holding of the Company
Special Meeting.  Without limiting the foregoing,  the Company shall ensure that
such  materials do not, as of the date on which they are  distributed to Company
Stockholders,  and as of the date of the Company  Special  Meeting,  contain any


                                       36
<PAGE>

untrue  statement of a material fact or omit to state a material fact  necessary
in order to make the statements made, in light of the circumstances  under which
they  were  made,  not  misleading  (provided  that the  Company  shall  only be
responsible  for the accuracy and  completeness  of information  relating to the
Company or furnished  by the Company in writing for  inclusion in any such proxy
materials).  The Buyer and the Merger Sub shall  ensure that such  materials  do
not, as of the date on which they are distributed to Company  Stockholders,  and
as of the date of the Company Special Meeting, contain any untrue statement of a
material  fact or omit to state a material  fact  necessary in order to make the
statements made, in light of the  circumstances  under which they were made, not
misleading (provided that the Buyer and the Merger Sub shall only be responsible
for the  accuracy  and  completeness  of  information  relating to the Buyer and
Merger  Sub and  furnished  by the  Buyer  and the  Merger  Sub in  writing  for
inclusion in any such proxy materials).

                  (d) The Company, acting through its Board of Directors,  shall
include  in  any  private   placement   memorandum/information   statement   the
recommendation  of its Board of Directors that the Company  Stockholders vote in
favor of the  adoption of this  Agreement  and the  approval of the Merger,  and
shall otherwise use its best efforts, to the extent commercially reasonable,  to
obtain the Requisite Stockholder Approval.

         4.4      Securities Laws.

                  (a)  Prior to the  Closing,  the  Company  shall  not take any
action  that  would  cause  the  number  of  Company  Stockholders  who  are not
"accredited investors" pursuant to Regulation D promulgated under the Securities
Act to increase to more than 35 during the term of this  Agreement or that would
cause any person who does not meet the  standards  of  Regulation D required for
"purchasers" under Regulation D to become a stockholder,  provided, however, the
Company will not be precluded  from issuing  Company Shares upon the exercise of
Options or Warrants.

                  (b) The Buyer  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 the Buyer Common  Stock in  connection  with the
Merger.  The  Company  shall use its best  efforts,  to the extent  commercially
reasonable,  to  assist  the  Buyer as may be  necessary  to  comply  with  such
securities and blue sky laws.

         4.5      Operation of Business.

                  Except as contemplated  by this  Agreement,  during the period
from the date of this Agreement to the Effective Time, the Company shall conduct
its  operations in the Ordinary  Course of Business and in  compliance  with all
applicable laws and regulations and, to the extent consistent therewith, use all
reasonable  efforts to preserve intact its current business  organization,  keep
its physical  assets in good working  condition,  keep available the services of
its  current  officers  and  employees  and  preserve  its  relationships   with
customers, suppliers and others having business dealings with it to the end that
its goodwill and ongoing business shall not be impaired in any material respect.
Without  limiting the generality of the foregoing,  prior to the Effective Time,
the Company shall not, without the written consent of the Buyer:

                                       37
<PAGE>

     (i)......issue,  sell, deliver or agree or commit to issue, sell or deliver
(whether  through the  issuance or granting of options,  warrants,  commitments,
subscriptions, rights to purchase or otherwise other than issuance of Options to
persons  set forth on Section 4.5 of the  Disclosure  Letter) or  authorize  the
issuance,  sale or delivery of, or redeem or repurchase,  any stock of any class
or any other  securities or any rights,  warrants or options to acquire any such
stock or other  securities  (except  pursuant to the  conversion  or exercise of
convertible securities,  Options or Warrants outstanding on the date hereof), or
amend any of the terms of any such convertible securities, Options or Warrants;

     (ii).....split,  combine or  reclassify  any shares of its  capital  stock;
declare,  set aside or pay any dividend or other distribution  (whether in cash,
stock or property or any combination thereof) in respect of its capital stock;

     (iii)....create,  incur  or  assume  any  debt  not  currently  outstanding
(including obligations in respect of capital leases); assume, guarantee, endorse
or otherwise  become liable or responsible  (whether  directly,  contingently or
otherwise) for the obligations of any other person or entity; or make any loans,
advances or capital  contributions  to, or  investments  in, any other person or
entity, except in the Ordinary Course of Business or as contemplated by the Loan
Documents;

     (iv).....enter  into,  adopt  or amend  any  Employee  Benefit  Plan or any
employment  or  severance  agreement  or  arrangement  of the type  described in
Section  2.19(j) or increase in any manner the  compensation  or fringe benefits
of, or modify the  employment  terms of, its  directors,  officers or employees,
generally  or  individually,  or pay any  benefit  not  required by the terms in
effect on the date hereof of any existing Employee Benefit Plan;

     (v)......acquire,  sell, lease,  encumber or dispose of any material assets
or property,  other than purchases and sales of assets in the Ordinary Course of
Business;

     (vi).....amend its Charter or By-laws;

     (vii)....change in any material respect its accounting methods,  principles
or practices, except insofar as may be required by a generally applicable change
in GAAP or as required by Buyer;

     (viii)...discharge  or satisfy any Security  Interest or pay any obligation
or liability other than in the Ordinary Course of Business or as contemplated by
the Loan Documents;

     (ix).....mortgage  or pledge any of its  property  or assets or subject any
such assets to any  Security  Interest  other than as  contemplated  by the Loan
Documents;

                                       38
<PAGE>

     (x)......sell, assign, transfer or license any Intellectual Property, other
than in the Ordinary Course of Business;

     (xi).....enter into, amend, terminate, take or omit to take any action that
would  constitute a violation of or default under,  or waive,  release or assign
any rights under, any material contract or agreement;

     (xii)....make  or  commit  to make any  capital  expenditure  in  excess of
$25,000 per item;

     (xiii)...take  any  action  or fail to take any  action  permitted  by this
Agreement  with the  knowledge  that such action or failure to take action would
result in (i) any of the representations and warranties of the Company set forth
in this  Agreement  becoming  untrue or (ii) any of the conditions to the Merger
set forth in Article V not being satisfied;

     (xiv)....hire,  terminate or discharge  any employee or engage or terminate
any  consultant,  except for the hiring of persons for whom offers of employment
are outstanding on the date hereof as set forth on Section 4.5 of the Disclosure
Letter;

     (xv).....enter  into any  material  contract,  other  than in the  Ordinary
Course of Business and as provided to the Buyer,  or any  material  amendment or
termination of, or default under, any material  contract to which the Company is
a party or by which it is bound;

     (xvi)....take any action, which would interfere with the Buyer's ability to
account for the Merger as a pooling of interests;

     (xvii)...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 Company
consults with the Buyer prior to the filing of such a suit;

     (xviii)..make or change any material election in respect of Taxes, adopt or
change 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;

     (xix)....incur  costs  and  expenses  in  excess  of  $2,000,000,   in  the
aggregate, in connection with the preparation, negotiation and execution of this
Agreement and the completion of the transactions  contemplated hereby, including
without  limitation,  costs and  expenses  of lawyers,  accountants,  investment
bankers and other  consultants  or  representatives,  but excluding the fees and
expenses of Company's  investment  bankers  pursuant to engagement  letters that
have been delivered to Buyer prior to the date hereof; or

                                       39
<PAGE>

     (xx).....agree  in  writing  or  otherwise  to  take  any of the  foregoing
actions.

         4.6      Full Access.

         The  Company  shall  permit  representatives  of the Buyer to have full
access (upon reasonable  notice and at all reasonable  times, and in a manner so
as not to interfere with the normal  business  operations of the Company) to all
premises, properties, financial and accounting records, contracts, other records
and  documents,  and  personnel,  of or  pertaining  to the Company,  subject to
compliance with applicable confidentiality obligations of the Company.

         4.7      Notice of Breaches.

         The Company shall  promptly  deliver to the Buyer written notice of any
event or development of which the Company is aware and that would (a) render any
statement,   representation  or  warranty  of  the  Company  in  this  Agreement
(including  the  Disclosure  Letter)  inaccurate  or  incomplete in any material
respect,  or (b)  constitute  or result in a breach by the Company or any of its
Affiliates  of, or a failure by the Company or any of its  Affiliates  to comply
with, any agreement or covenant in this Agreement  applicable to such party. The
Buyer or the Merger Sub shall promptly  deliver to the Company written notice of
any event or  development  of which  either the Buyer or Merger Sub is aware and
that would (i) render any statement,  representation or warranty of the Buyer or
the  Merger Sub in this  Agreement  inaccurate  or  incomplete  in any  material
respect, or (ii) constitute or result in a breach by the Buyer or the Merger Sub
of, or a failure by the Buyer or the Merger Sub to comply with, any agreement or
covenant in this Agreement applicable to such party. No such disclosure shall be
deemed to avoid or cure any such misrepresentation or breach.

         4.8      Exclusivity.

         The Company  shall not,  and the Company  shall use its best efforts to
cause  its   Affiliates  and  each  of  its  officers,   directors,   employees,
representatives  and  agents  not  to,  directly  or  indirectly,  (a)  solicit,
initiate,  engage  or  participate  in or  knowingly  encourage  discussions  or
negotiations  with any person or entity  (other than the Buyer)  concerning  any
merger, consolidation,  sale of material assets, tender offer, recapitalization,
accumulation of Company Shares, proxy solicitation or other business combination
involving  the  Company  or any  division  of the  Company  or (b)  provide  any
non-public  information  concerning  the  business,  properties or assets of the
Company to any person or entity  (other  than the  Buyer).  Notwithstanding  the
foregoing,  if the Company  receives an unsolicited  bona fide offer or proposal
the Board of  Directors  may  withdraw its  recommendation  to its  stockholders
regarding the Merger;  provided however, that the Company shall not have a right
to terminate this Agreement.  The Company shall immediately notify the Buyer of,
and shall  disclose to the Buyer all details of, any  inquiries,  discussions or
negotiations of the nature described in the first sentence of this Section 4.8.

                                       40
<PAGE>

         4.9      Non-Disclosure and Developments Agreements 
                  and Non-Competition Agreements.

         Prior to Closing,  the Company  shall use its  commercially  reasonable
best efforts to cause all of the employees  identified on Schedule 4.9 hereof to
execute   non-disclosure   and  developments   agreements  and   non-competition
agreements  in  substantially  the forms  attached  hereto as  Exhibits F and G,
respectively.

         4.10     Employee Matters.

         The Buyer shall use commercially  reasonable  efforts to make available
to the employees of the Surviving Corporation all employee benefits then offered
to employees of the Buyer of similar positions and responsibilities.

         4.11     Agreements From Certain Affiliates of the Company.

         Schedule 4.11 of the Disclosure Letter sets forth a list of all persons
or entities who are Affiliates of the Company (the "Company  Affiliates")  as of
the date  hereof.  The  Company  shall  provide the Buyer such  information  and
documents as the Buyer shall  reasonably  request for purposes of reviewing such
list.  The Company  shall use its best  efforts or cause to be  delivered to the
Buyer, concurrently with the execution of this Agreement (and in each case prior
to the  Effective  Time),  from  each  of the  Company  Affiliates  an  executed
Affiliate  Agreement in the form  attached  hereto as Exhibit B (the  "Affiliate
Agreements").  The Buyer and Merger Sub shall be entitled  to place  appropriate
legends on the certificates  evidencing any Buyer Common Stock to be received by
the  Company  Affiliates  pursuant to the terms of this  Agreement  and to issue
appropriate  stock transfer  instructions to the transfer agent for Buyer Common
Stock, consistent with the terms of such Affiliate Agreement.

         4.12     Registration Rights.

         The Company  Stockholders shall have the right to become a party to the
Amended and Restated Registration Rights Agreement attached hereto as Exhibit J.

         4.13     Pooling Accounting.

         The  Buyer,  Merger  Sub and the  Company  shall  each  use  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 the  Company,
Merger Sub and the Buyer shall use its best efforts to cause its  Affiliates not
to take any action  that  would  adversely  affect  the  ability of the Buyer to
account of the business combination to be effected by the Merger as a pooling of
interests.

                                       41
<PAGE>

         4.14     Escrow Agreement.

         On or before the Effective Time, the Escrow Agent and the Stockholders'
Agent will execute the Escrow Agreement  contemplated by Article VII in the form
attached hereto as Exhibit D (the "Escrow Agreement").

         4.15     Form S-8.

         The Buyer agrees to file,  not later than May 20, 1998, a  registration
statement  on Form S-8  covering  the  shares  of Buyer  Common  Stock  issuable
pursuant to the Options  assumed by the Buyer.  The Company shall cooperate with
and assist the Buyer in the preparation of such registration statement.

         4.16     Reorganization.

         The Buyer and the Company  shall each use its best efforts to cause the
business  combination  to  be  effected  by  the  Merger  to be  qualified  as a
"reorganization" described in Section 368(a) of the Code.

         4.17     Reasonable Commercial Efforts and Further Assurances.

         Each  of  the  Parties  shall  use  reasonable  commercial  efforts  to
effectuate  the  transactions  contemplated  hereby  and to fill and cause to be
fulfilled the  conditions to Closing under this  Agreement.  Each Party,  at the
reasonable  request of another  Party,  shall  execute  and  deliver  such other
instruments and do and perform such other acts and things as may be necessary or
desirable for effecting  completely the  consummation  of this Agreement and the
transactions contemplated hereby.


                                    ARTICLE V
                      CONDITIONS TO CONSUMMATION OF MERGER

         5.1      Conditions to Each Party's Obligations.

         The  respective  obligations of each Party to consummate the Merger are
subject to the satisfaction of the following conditions:

                  (a)      this  Agreement and the Merger shall have received
the  Requisite  Stockholder  Approval by the Company Stockholders;

                  (b) the  Buyer and the  Company  shall be  satisfied  that the
issuances of Buyer Common Stock in the transaction shall be exempt under Section
4(2) of the Securities Act; and

                                       42
<PAGE>

                  (c) 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  have  been  issued,  nor  shall  any  proceeding  brought  by any
Governmental Entity, seeking any of the foregoing be pending; nor shall there be
any action taken, or any statute,  rule,  regulation or order enacted,  entered,
enforced or deemed  applicable to the Merger which makes the consummation of the
Merger illegal.

         5.2      Conditions to Obligations of the Buyer and the Merger Sub.

                  The  obligation  of each of the  Buyer and the  Merger  Sub to
consummate the Merger is subject to the satisfaction of the following additional
conditions:

                  (a) the  Agreement and the Merger shall have been approved and
adopted with the  Requisite  Stockholder  Approval and the number of  Dissenting
Shares shall not exceed 10% of the number of  outstanding  Company  Shares as of
the Effective Time;

                  (b) prior to the time at which the  Company has  delivered  to
the Buyer  written  evidence  of a receipt of  consent  to the  Merger  from the
holders  of no less than 90% of the  Company  Shares,  the  representations  and
warranties  of the Company  set forth in Section  2.12 shall be true and correct
when made on the date hereof, except where the failure to be true and correct on
the date hereof would not have a Material Adverse Effect on the Company;

                  (c) the Company  shall have  performed or complied with in all
material  respects  its  agreements  and  covenants  required to be performed or
complied with under this Agreement as of or prior to the Effective Time;

                  (d) the  Company  shall  have  delivered  to the Buyer and the
Merger Sub a certificate  (without  qualification as to knowledge or materiality
or  otherwise)  to the effect that each of the  conditions  specified in clauses
(a),  (b) and (c) (to the extent the Company is a party or is named  therein) of
Section 5.1 and clauses (a) through (c) of this  Section 5.2 is satisfied in all
respects;

                  (e) the Buyer and the  Merger  Sub shall  have  received  from
Testa,   Hurwitz  &  Thibeault,   LLP,  counsel  to  the  Company,   an  opinion
substantially in the form set forth as Exhibit E attached  hereto,  addressed to
the Buyer and the Merger Sub and dated as of the Closing Date;

                  (f) all of the employees  identified on Section  5.2(f) of the
Disclosure Letter shall have executed employment agreements substantially in the
form attached hereto as Exhibit I;

                  (g) the Company Affiliates shall have executed and delivered
the Affiliate Agreements;

                  (h) the Buyer  shall  have  received  a written  opinion  from
Arthur Andersen LLP, dated as of the Closing Date,  stating that the Merger will
qualify as a "pooling of  interests"  transaction  under  Accounting  Principles
Board  Opinion  No.  16  and  applicable  SEC  regulations,  if  the  Merger  is
consummated in accordance with this Agreement; and

                                       43
<PAGE>

                  (i) the  Buyer  shall  have  received  the  report  of  Arthur
Andersen LLP on the Company's audited financial statements for fiscal year ended
December 31, 1997.

         5.3      Conditions to Obligations of the Company.

         The  obligation of the Company to  consummate  the Merger is subject to
the satisfaction of the following additional conditions:

                  (a) each of the Buyer and the Merger Sub shall have  performed
or complied with in all material respects its agreements and covenants  required
to be  performed  or complied  with under this  Agreement  as of or prior to the
Effective Time;

                  (b) each of the Buyer and the Merger Sub shall have  delivered
to  the  Company  a  certificate  (without  qualification  as  to  knowledge  or
materiality or otherwise) to the effect that each of the conditions specified in
clauses  (b) and (c) (to the  extent  the Buyer or  Merger  Sub is a party or is
named therein) of Section 5.1 and clause (a) of this Section 5.3 is satisfied in
all respects; and

                  (c) the Company  Stockholders shall have received from Piper &
Marbury   L.L.P.,   counsel  to  the  Buyer  and  the  Merger  Sub,  an  opinion
substantially in the form set forth as Exhibit H attached  hereto,  addressed to
the Company and dated as of the Closing Date.


                                   ARTICLE VI
                                   TERMINATION

         6.1      Termination of Agreement.

         The Parties may terminate  this  Agreement  prior to the Effective Time
(whether before or after Requisite Stockholder Approval) as provided below:

                  (a) the Parties may terminate this Agreement by mutual written
consent;

                  (b) any Party may terminate  this  Agreement by giving written
notice to the other  Parties at any time  after the  Company  Stockholders  have
voted on  whether  to approve  this  Agreement  and the Merger in the event this
Agreement and the Merger failed to receive the Requisite Stockholder Approval;

                  (c) any Party may terminate  this  Agreement by giving written
notice to the other Parties upon the entry of any permanent  injunction or other
order of a court or other competent authority preventing the consummation of the
Merger that has become final and nonappealable;

                                       44
<PAGE>

                  (d) the Buyer may terminate  this  Agreement by giving written
notice to the Company if the Closing  shall not have  occurred on or before July
15, 1998, by reason of the failure of any condition  precedent under Section 5.1
or 5.2 hereof (unless the failure  results  primarily from a breach by the Buyer
or the Merger Sub of any representation,  warranty or covenant contained in this
Agreement); and

                  (e) the Company may terminate this Agreement by giving written
notice to the Buyer and the Merger Sub if the Closing shall not have occurred on
or before July 15,  1998,  by reason of the failure of any  condition  precedent
under Section 5.1 or 5.3 hereof  (unless the failure  results  primarily  from a
breach by the Company of any  representation,  warranty or covenant contained in
this Agreement).

         6.2      Effect of Termination.

         If any party  terminates  this  Agreement  pursuant to Section 6.1, all
obligations of the Parties  hereunder shall  terminate  without any liability of
any Party to any other Party (except for any liability of any Party for breaches
of this Agreement).

         6.3      Amendment.

         The board of  directors  of the Parties may cause this  Agreement to be
amended at any time by execution of an instrument in writing signed on behalf of
each of the Parties;  provided that an amendment made subsequent to the adoption
of the  Agreement  by  Company  Stockholders  shall not (i) alter or change  the
amount or kind of  consideration  to be  received on  conversion  of the Company
Shares; (ii) alter or change any term of the Charter or By-laws of the Surviving
Corporation  to be effected  by the merger;  or (iii) alter or change any of the
terms and  conditions  of the  Agreement  if such  alteration  or  change  would
adversely affect the holders of Company Shares.

         6.4      Extension; Waiver.

          At any time prior the  Effective  Time,  any Party 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;  (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 to any such  extension or waiver shall be valid
only if set forth in an instrument in writing signed on behalf of such Party.

                                       45
<PAGE>


                                   ARTICLE VII
                           ESCROW AND INDEMNIFICATION

         7.1      Indemnification.

                  (a) The Company  Stockholders will indemnify and hold harmless
the Buyer and the Surviving Corporation and its respective officers,  directors,
agents and employees,  and each person,  if any, who controls or may control the
Buyer or the  Surviving  Corporation  within the meaning of the  Securities  Act
(hereinafter  referred  individually as an "Indemnified Person" and collectively
as "Indemnified  Person") from and against any and all losses,  costs,  damages,
liabilities  and  expenses  arising  from claims,  demands,  actions,  causes of
action,  including,  without  limitation  reasonable  legal  fees,  net  of  any
recoveries under existing insurance policies,  tax benefit received by the Buyer
or its Affiliates as a result of such damages, indemnities from third parties or
in the case of third party claims, by any amount actually recovered by the Buyer
or its  affiliates  pursuant  to  counterclaims  made  by any of  them  directly
relating  to the facts  giving rise to such third  party  claims  (collectively,
"Damages")  arising  out of any  misrepresentation  or breach of or  default  in
connection with any of the representations, warranties, covenants and agreements
given or made by the Company in this  Agreement,  the  Disclosure  Letter or any
Exhibit to this Agreement.  The Buyer and its Affiliates shall act in good faith
and in a commercially reasonable manner to mitigate any Damages they may suffer.

                  (b) Nothing in this Agreement shall limit the liability of the
Company for any breach of any representation, warranty or covenant if the Merger
does not close.

         7.2      Escrow Fund.

         Notwithstanding  the  provisions  of Article I, upon the Closing of the
Merger,  the Buyer shall issue to each  Company  Stockholder  92.5% of the Buyer
Common  Stock  otherwise  issuable  to such  stockholder  pursuant  to Article I
(rounded  upward to the nearest  whole share).  The remaining  7.5% of the Buyer
Common Stock  issuable to a Company  Stockholder  in connection  with the Merger
shall be referred to as "Escrow Shares,"  collectively,  the Escrow Shares shall
be referred to as the "Escrow  Fund." The  obligation  of the Buyer to issue the
Escrow Shares  otherwise  issuable upon the Merger or any such exercise shall be
subject to reduction  to satisfy the  Company's  obligations  under this Article
VII.  Damages that: (i) are accepted as valid by the  Stockholders'  Agents;  or
(ii) are determined to be valid by arbitration as described in this Article VII,
shall reduce the number of Escrow Shares issuable to the Company Stockholders by
the number of Escrow Shares  (rounded to the closest whole number) equal to such
Damages divided by the Escrow Share Market Value.  As soon as practicable  after
the Effective Date, the Escrow Shares shall be registered in the name of, and be
deposited with,  State Street Bank (or other  institution  selected by the Buyer
with the  reasonable  consent  of the  Company)  as escrow  agent  (the  "Escrow
Agent"),  such deposit to  constitute  the Escrow Fund and to be governed by the
terms set forth herein and in the Escrow Agreement attached hereto as Exhibit D.
The Escrow Shares shall be beneficially  owned by the Company  Stockholders  and
the Escrow Fund shall be the sole and exclusive  remedy to compensate  the Buyer
pursuant to the  indemnification  obligations  of the Company  Stockholders  set
forth in Section 7.1(a).

                                       46
<PAGE>

         7.3      Damage Threshold.

                  Notwithstanding  Section  7.1,  the Buyer may not  receive any
shares  from the  Escrow  Fund  unless  and until an  Officer's  Certificate  or
Certificates  (as defined in Section 7.5 below) and identifying the requirements
of Section  7.5(a)(ii) and identifying  Damages has been delivered to the Escrow
Agent as provided in Section 7.5 below and such amount is determined pursuant to
this  Article VII to be payable,  in which case the Buyer shall  receive  shares
equal in value to the full amount of Damages.

         7.4      Escrow Period.

         The "Escrow  Period" shall  terminate upon the earlier of (i) three (3)
business  days after the delivery of the Buyer's  independent  certified  public
accountants  of its reports for the fiscal year ending on December  31, 1998 and
(ii) the close of business on March 31, 1999; provided,  however, that a portion
of the Escrow Shares, which, in the reasonable judgment of the Buyer, subject to
the objection of the Stockholders'  Agent and the subsequent  arbitration of the
matter in the manner provided in Section 7.7 hereof are necessary to satisfy any
unsatisfied claims specified in any Officer's Certificate  theretofore delivered
to the Escrow Agent prior to  termination  of the Escrow  Period with respect to
facts and circumstances existing prior to expiration of the Escrow Period, shall
remain in the Escrow Fund until such claims have been  resolved.  Such  retained
portion  of the  Escrow  Fund  shall  be  retained  only  until  the  claim  for
indemnification  pursuant to which such portion is being  retained is settled or
finally determined between Buyer and the Stockholders'  Agent in accordance with
Section 7.7 below.

         7.5      Claims Upon Escrow Fund.

                  (a) Upon receipt by the Escrow Agent on or before the last day
of the Escrow  Period of a  certificate  signed by any  officer of the Buyer (an
"Officer's Certificate"):

     (i) stating that with respect to the indemnification obligations of Company
Stockholders, Damages exist in an aggregate amount greater than $250,000, (which
aggregate amount cannot include any individual Damage items of $10,000 or less),
and

     (ii) specifying in reasonable  detail the individual  items of such Damages
included in the amount so stated,  the date each such item was paid, or properly
accrued or arose,  the nature of the  misrepresentation,  breach of  warranty or
claim to which such item is  related,  the Escrow  Agent  shall,  subject to the
provisions of this Article VII,  deliver to the Buyer out of the Escrow Fund, as
promptly as  practicable,  Buyer Common Stock or other assets held in the Escrow
Fund  having a value  determined  in  accordance  with  Section  7.5(b)  of this
Agreement equal to such Damages with respect to the indemnification  obligations
of Company  Stockholders  set forth in Section  7.1.  The Escrow  Agent will not
release  any  portion  of the  Escrow  Fund to Buyer  pursuant  to an  Officer's
Certificate  until such claim has been resolved or is  uncontested in accordance
with Section 7.6 below.

                                       47
<PAGE>

                  (b) For the purpose of compensating  the Buyer for its Damages
pursuant  to this  Agreement,  Buyer  Common  Stock in the Escrow  Fund shall be
valued at the Escrow Share Market Value.

         7.6      Objections to Claims.

         At the time of  delivery  of any  Officer's  Certificate  to the Escrow
Agent, a duplicate copy of such Officer's  Certificate shall be delivered to the
Stockholders'  Agent  (defined  in  Section  7.8  below)  and  for a  period  of
forty-five  (45) days  after  such  delivery,  the  Escrow  Agent  shall make no
delivery of Buyer Common Stock or other property  pursuant to Section 7.5 hereof
unless the Escrow  Agent  shall have  received  written  authorization  from the
Stockholders'  Agent  to  make  such  delivery.  After  the  expiration  of such
forty-five  (45) days  period,  the Escrow  Agent  shall make  delivery of Buyer
Common Stock or other property in the Escrow Fund in accordance with Section 7.5
hereof,  provided  that  no  such  payment  or  delivery  may  be  made  if  the
Stockholders' Agent shall object in a written statement to the claim made in the
Officer's  Certificate,  and such  statement  shall have been  delivered  to the
Escrow Agent and to the Buyer prior to the  expiration of such  forty-five  (45)
day period.

         7.7      Resolution of Conflicts and Arbitration.

                  (a) In case the Stockholders' Agent shall so object in writing
to any claim or claims by the Buyer made in any Officer's Certificate, the Buyer
shall have fifteen (15) days from receipt of a Stockholders'  Agent's objections
under  Section 7.6 to respond in a written  statement  to the  objection  of the
Stockholders'  Agent.  If after such  fifteen  (15) day period  there  remains a
dispute as to any claims, the Stockholders' Agent and the Buyer shall attempt in
good  faith for  thirty  (30) days  thereafter  to agree  upon the rights of the
respective  parties with respect to each of such  claims.  If the  Stockholders'
Agent and the Buyer should so agree,  a memorandum  setting forth such agreement
shall be  prepared  and signed by both  parties  and shall be  furnished  to the
Escrow Agent.  The Escrow Agent shall be entitled to rely on any such memorandum
and shall  distribute  Buyer Common Stock or other property from the Escrow Fund
in accordance with the terms thereof.

                  (b) If no such  agreement  can be  reached  after  good  faith
negotiation,  either the Buyer or the Stockholders' Agent may, by written notice
to the other,  demand  arbitration of the matter unless the amount of the damage
or loss is at issue in pending  litigation  with a third  party,  in which event
arbitration  shall not be  commenced  until such amount is  ascertained  or both
parties  agree to  arbitration;  and in either  such event the  matter  shall be
settled by arbitration conducted by three arbitrators.  Within fifteen (15) days
after such written notice is sent, the Buyer and the  Stockholders'  Agent shall
each select one  arbitrator,  and the two arbitrators so selected shall select a
third arbitrator.  The decision of the arbitrators as to the validity and amount
of any claim in such Officer's  Certificate shall be binding and conclusive upon
the  parties to this  Agreement,  and  notwithstanding  anything  in Section 7.6
hereof,  the Escrow  Agent  shall be  entitled  to act in  accordance  with such
decision  and make or withhold  payments  out of the Escrow  Fund in  accordance
therewith.

                                       48
<PAGE>

                  (c) Judgment upon any award rendered by the arbitrators may be
entered in any court having jurisdiction.  Any such arbitration shall be held in
Montgomery  County,  Maryland under the  commercial  rules then in effect of the
American  Arbitration  Association.  For purposes of this Section 7.7(c), in any
arbitration  hereunder  in which any claim or the amount  thereof  stated in the
Officer's  Certificate  is at  issue,  the  Buyer  shall  be  deemed  to be  the
Non-Prevailing  Party unless the arbitrators  award the Buyer more than one-half
(1/2) of the amount in dispute, plus any amounts not in dispute;  otherwise, the
Company Stockholders for whom shares of Buyer Common Stock otherwise issuable to
them  have  been  deposited  in  the  Escrow  Fund  shall  be  deemed  to be the
Non-Prevailing  Party. The Non-Prevailing  Party to an arbitration shall pay its
own  expenses,  the  fees  of each  arbitrator,  the  administrative  fee of the
American Arbitration Association, and the expenses, including without limitation
attorneys'  fees  and  costs,  reasonably  incurred  by the  other  party to the
arbitration.

         7.8      Stockholders' Agent.

                  (a) R. Stephen McCormack shall be constituted and appointed as
agents  ("Stockholders'  Agents") for and on behalf of Company  Stockholders  to
give and receive notices and communications,  to authorize delivery to the Buyer
of Buyer Common Stock or other property from the Escrow Fund in  satisfaction of
claims by the Buyer, to object to such deliveries, to agree to, negotiate, enter
into  settlements  and  compromises  of, and demand  arbitration and comply with
orders of courts and awards of arbitrators  with respect to such claims,  and to
take all actions  necessary or appropriate in the judgment of the  Stockholders'
Agent for the accomplishment of the foregoing. Such agency may be changed by the
holders of a majority  in interest of the Escrow Fund from time to time upon not
less than 10 days' prior written  notice to the Buyer,  Stockholders'  Agent and
the Escrow Agent. No bond shall be required of the Stockholders'  Agent, and the
Stockholders' Agent shall receive no compensation for their services. Notices or
communications to or from the Stockholders'  Agent shall constitute notice to or
from each Company Stockholder.

                  (b) The  Stockholders'  Agent  shall not be liable for any act
done or omitted hereunder as Stockholders'  Agent while acting in good faith and
in the exercise of reasonable  judgment and any act done or omitted  pursuant to
the advice of counsel  shall be  conclusive  evidence  of such good  faith.  The
Company  Stockholders shall severally indemnify the Stockholders' Agent and hold
him harmless  against any loss,  liability  or expense  incurred  without  gross
negligence or bad faith on the part of the  Stockholders'  Agent and arising out
of or in  connection  with  the  acceptance  or  administration  of  his  duties
hereunder.

                  (c) The  Stockholders'  Agent shall have reasonable  access to
information  about the Company and the  reasonable  assistance  of the Company's
officers and employees for purposes of performing  his duties and exercising his
rights   hereunder,   provided   that  the   Stockholders'   Agent  shall  treat


                                       49
<PAGE>

confidentially  and not disclose  any  nonpublic  information  from or about the
Company to anyone  (except on a need to know basis to  individuals  who agree to
treat such  information  confidentially).  The  Stockholders'  Agent will not be
entitled to receive any compensation  from Buyer or the Company  Stockholders in
connection with this Agreement.  Any fees and expenses incurred by Stockholders'
Agent in  connection  with  actions  taken  pursuant  to the terms of the Escrow
Agreement will be paid by the Company  Stockholders to the Stockholders'  Agent,
provided,  however,  that the Stockholders'  Agent shall be entitled to submit a
claim  for  reimbursement  of actual  reasonable  expenses  incurred  or paid to
counsel or other third parties in  investigating,  negotiating,  arbitrating  or
settling  any claim  hereunder  in an amount not to exceed  $50,000,  and Escrow
Shares  in such  amount  shall be paid by the  Escrow  Agent  within  45 days of
receipt, and provided, further, to the extent any Escrow Shares remain available
for distribution on the final release date, such fees and expenses shall be paid
out from such Escrow Fund prior to the distribution to the Company Stockholders,
but only upon the written direction of Buyer and the  Stockholders'  Agent to be
given to the Escrow  Agent at least three (3)  business  days prior to the final
release date.

                  (d) The Buyer acknowledges that Stephen McCormack and may have
a conflict of interest with respect to his duties as Stockholders' Agent, and in
such regard will act in the best interests of the Company Stockholders.

         7.9      Actions of the Stockholders' Agent.

         A decision,  act, consent,  consent or instruction of the Stockholders'
Agent shall constitute a decision of all Company Stockholders for whom shares of
Buyer Common Stock  otherwise  issuable to them are deposited in the Escrow Fund
and shall be final,  binding and conclusive upon each such Company  Stockholder,
and the Escrow Agent and the Buyer may rely upon any decision,  act,  consent or
instruction of the  Stockholders'  Agent as being the decision,  act, consent or
instruction of each and every such Company Stockholder. The Escrow Agent and the
Buyer are hereby  relived from any  liability to any person for any acts done by
them in  accordance  with such  decision,  act,  consent or  instruction  of the
Stockholders' Agent.

         7.10     Third-Party Claims.

         In the event the Buyer becomes  aware of a third-party  claim which the
Buyer  believes may result in a demand  against the Escrow Fund, the Buyer shall
promptly notify the  Stockholders'  Agent of such claim,  and the  Stockholders'
Agent  and the  Company  Stockholders  for whom  shares  of Buyer  Common  Stock
otherwise  issuable to them are  deposited in the Escrow Fund shall be entitled,
at their expense,  to participate in any defense of such claim.  The Buyer shall
have the right to settle any such claim;  provided,  however, that the Buyer may
not effect the settlement of any such claim without the prior written consent of
the  Stockholders'  Agent,  which  consent shall not be  unreasonably  withheld.
Following notice of any claim, the Buyer shall notify the Stockholders' Agent of
any  discussions,  negotiations  or other material  developments  affecting such
claim  and,  to the extent  commercially  reasonable,  permit the  Stockholders'
Agents to participate in any such discussions or negotiations.

                                       50
<PAGE>

                                  ARTICLE VIII

                                   DEFINITIONS

         (a) In this Agreement, any reference to any event, change, condition or
effect being  "material"  with respect to any entity or group of entities  means
any  material  event,  change,  condition  or effect  related  to the  financial
condition,   properties,  assets  (including  intangible  assets),  liabilities,
business,  operations  or  results  of  operations  of such  entity  or group of
entities.  In this Agreement,  any reference to a "Material Adverse Effect" with
respect to any  entity or group of  entities  means any event,  change or effect
that is  materially  adverse to the  financial  condition,  properties,  assets,
liabilities,  business,  operations  or results of  operations  of such  entity;
provided,  however, that the following will not be considered a Material Adverse
Effect:  any adverse  effect  that  primarily  results  from the  execution  and
delivery of this Agreement or from changes in the financial  markets in general.
In this  Agreement,  any  reference  to a Party's  knowledge  means such Party's
actual  knowledge  after  reasonable  inquiry of officers,  directors  and other
employees of such Party reasonably believed to have knowledge of such matters.

         (b) For purposes of this Agreement, each of the following defined terms
is defined in the Section of this Agreement indicated below:

Defined Term                                             Section

Affiliate...................................................2.14
Affiliate Agreements........................................4.11
Agreement...............................................Preamble
Buyer ..................................................Preamble
Buyer Common Stock...........................................1.5
Buyer Option Plans...........................................3.2
Buyer Reports................................................3.5
By-Laws......................................................2.1
CERCLA......................................................2.20
Certificate of Merger........................................1.1
Certificates.................................................1.7
Charter......................................................2.1
Closing......................................................1.2
Closing Date.................................................1.2
Code........................................................1.10
Company.................................................Preamble
Company Affiliate...........................................4.11
Company Common Stock.........................................1.5
Company Shares...............................................1.5
Company Special Meeting......................................4.3
Company Stockholder..........................................1.5


                                       51
<PAGE>

Common Stock Equivalents.....................................1.5
Company Stock Option Plan....................................1.5
Counted Assumed Option Shares................................1.5
DGCL.........................................................1.1
Damages......................................................7.1
Disclosure Letter.....................................Article II
Dissenting Shares............................................1.6
Effective Time...............................................1.1
Employee Benefit Plan.......................................2.19
Environmental Law...........................................2.20
ERISA.......................................................2.19
ERISA Affiliate.............................................2.19
Escrow Agent.................................................7.2
Escrow Agreement............................................4.16
Escrow Fund..................................................7.2
Escrow Period................................................7.4
Escrow Share Market Value....................................1.5
Escrow Shares................................................1.5
Exchange Act................................................2.14
Exchange Agent...............................................1.3
Financial Statements.........................................2.6
GAAP.........................................................2.6
Governmental Entity..........................................2.4
Indemnified Person...........................................7.1
Intellectual Property.......................................2.12
Loan Documents...............................................2.4
Material Adverse Effect..............................Article VII
Materials of Environmental Concern..........................2.20
Merger.......................................................1.1
Merger Shares................................................1.5
Merger Sub..............................................Preamble
Merger Sub Common Stock......................................1.5
Millennial Dates............................................2.12
Most Recent Balance Sheet....................................2.8
Most Recent Fiscal Year End..................................2.6
Officer's Certificate........................................7.5
Options.....................................................1.10
Ordinary Course of Business..................................2.4
Party...................................................Preamble
Permit......................................................2.22
Requisite Stockholder Approval...............................2.3
Securities Act..............................................1.10
Security Interest............................................2.4
Series A Convertible Preferred Stock.........................1.5


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<PAGE>

Series B Convertible Preferred Stock.........................1.5
Series C Convertible Preferred Stock.........................1.5
Series C Exchange Ratio......................................1.5
Standard Exchange Ratio......................................1.5
Stockholder Agreement.......................................4.12
Stockholder Consent..........................................4.3
Stockholder's Agent..........................................7.8
Surviving Corporation........................................1.1
Taxes........................................................2.9
Tax Returns..................................................2.9
Third Party Intellectual Property Rights....................2.12
Transaction Costs............................................2.8
Warrant.....................................................1.10


                                   ARTICLE IX
                                  MISCELLANEOUS

         9.1      Press Releases and Announcements.

         No Party  shall issue any press  release or make any public  disclosure
relating  to the subject  matter of this  Agreement  without  the prior  written
approval of the other Parties;  provided,  however,  that any Party may make any
public disclosure it believes in good faith is required by law or regulation (in
which case the disclosing  Party shall advise the other Parties and provide them
with a copy of the proposed disclosure prior to making the disclosure).

         9.2      No Third Party Beneficiaries.

         This Agreement  shall not confer any rights or remedies upon any person
other than the Parties and their  respective  successors and permitted  assigns;
provided,  however,  that the provisions in Article I concerning issuance of the
Merger Shares are intended for the benefit of the Company Stockholders.

         9.3      Entire Agreement.

         This  Agreement,  the Disclosure  Letter,  Exhibits,  the documents and
instruments and other  agreements  among the parties  referred to herein and the
nondisclosure  agreements signed by each of the Parties prior to the date hereof
constitute  the entire  agreement  among the  Parties and  supersedes  any prior
understandings,  agreements or representations by or among the Parties,  written
or oral, with respect to the subject matter hereof.

                                       53
<PAGE>

         9.4      Succession and Assignment.

         This  Agreement  shall be binding  upon and inure to the benefit of the
Parties named herein and their respective  successors and permitted assigns.  No
Party may assign  either  this  Agreement  or any of its rights,  interests,  or
obligations hereunder without the prior written approval of the other Parties.

         9.5      Counterparts.

         This  Agreement  may be executed in two or more  counterparts,  each of
which shall be deemed an original but all of which together shall constitute one
and the same instrument.

         9.6      Headings.

         The section  headings  contained  in this  Agreement  are  inserted for
convenience  only and shall not affect in any way the meaning or  interpretation
of this Agreement.

         9.7      Notices.

         All  notices,  requests,  demands,  claims,  and  other  communications
hereunder  shall be in writing.  Any notice,  request,  demand,  claim, or other
communication  hereunder  shall be deemed duly delivered two business days after
it is sent by registered or certified mail,  return receipt  requested,  postage
prepaid,  or one  business  day  after  it is sent  via a  reputable  nationwide
overnight courier service or sent via facsimile (with acknowledgment of complete
transmission)  with a confirmation copy by registered or certified mail, in each
case to the intended recipient as set forth below:

         If to the Company:

                  Net2Net Corporation
                  131 Coolidge Street
                  Hudson, MA  01749
                  Attn:  Its President

         Copies to:

                  Testa, Hurwitz & Thibeault, LLP
                  High Street Tower, 125 High Street
                  Boston, MA  02110
                  Attn:  Jonathan M. Moulton, Esq.

                                       54
<PAGE>

         If to the Buyer:

                  Visual Networks, Inc.
                  2092 Gaither Road
                  Rockville, MD  20850
                  Attn:  Its President

         Copy to:

                  Piper & Marbury L.L.P.
                  1200 Nineteenth Street, N.W.
                  Washington, DC  20036
                  Attn:  Nancy A. Spangler, Esq.

         If to the Merger Sub:

                  Visual Acquisitions, Inc.
                  2092 Gaither Road
                  Rockville, MD  20850
                  Attn:  Its President

         Copy to:

                  Piper & Marbury L.L.P.
                  1200 Nineteenth Street, N.W.
                  Washington, DC  20036
                  Attn: Nancy A. Spangler, Esq.

         If to the Stockholders' Agent:

                  R. Stephen McCormack
                  c/o Commonwealth Capital Ventures L.P.
                  20 William Street
                  Wellesley, MA 02181

         Copies to:

                  Testa, Hurwitz & Thibeault, LLP
                  High Street Tower, 125 High Street
                  Boston, MA  02110
                  Attn:  Jonathan M. Moulton, Esq.

                                       55
<PAGE>

Any Party may give any notice,  request,  demand,  claim, or other communication
hereunder using any other means (including personal delivery, expedited courier,
messenger service,  telecopy,  telex, ordinary mail, or electronic mail), but no
such notice,  request,  demand, claim, or other communication shall be deemed to
have been duly given  unless and until it  actually is received by the party for
whom it is  intended.  Any  Party  may  change  the  address  to which  notices,
requests,  demands,  claims,  and  other  communications  hereunder  are  to  be
delivered by giving the other Parties notice in the manner herein set forth.

         9.8      Governing Law.

         This  Agreement  shall be governed by and construed in accordance  with
the internal laws (and not the law of conflicts) of the State of Delaware.

         9.9      Amendments and Waivers.

         The Parties may mutually  amend any provision of this  Agreement at any
time prior to the Effective Time; provided, however, that any amendment effected
subsequent  to the  Requisite  Stockholder  Approval  shall  be  subject  to the
restrictions  contained  in the DGCL.  No  amendment  of any  provision  of this
Agreement  shall be valid  unless the same shall be in writing and signed by all
of the  Parties.  No waiver by any Party of any  default,  misrepresentation  or
breach of warranty or covenant  hereunder,  whether intentional or not, shall be
deemed to extend to any prior or subsequent default, misrepresentation or breach
of  warranty or covenant  hereunder  or affect in any way any rights  arising by
virtue of any prior or  subsequent  default,  misrepresentation,  breach of such
warranty or covenant.

         9.10     Severability.

         Any  term  or   provision  of  this   Agreement   that  is  invalid  or
unenforceable in any situation in any jurisdiction shall not affect the validity
or  enforceability  of the remaining terms and provisions hereof or the validity
or  enforceability  of the offending term or provision in any other situation or
in any  other  jurisdiction.  If the  final  judgment  of a court  of  competent
jurisdiction   declares  that  any  term  or  provision  hereof  is  invalid  or
unenforceable,  the Parties  agree that the court  making the  determination  of
invalidity  or  unenforceability  shall  have the  power to  reduce  the  scope,
duration, or area of the term or provision, to delete specific words or phrases,
or to replace  any invalid or  unenforceable  term or  provision  with a term or
provision that is valid and enforceable and that comes closest to expressing the
intention of the invalid or unenforceable term or provision,  and this Agreement
shall be  enforceable  as so modified  after the  expiration  of the time within
which the judgment may be appealed,  provided that this Agreement shall not then
substantially deprive either Party of the bargained-for performance of the other
Party.

                                       56
<PAGE>

         9.11     Expenses.

         All fees and expenses  (including all accounting,  legal and investment
banking fees and expenses and all other  expenses)  incurred by Buyer and Merger
Sub in connection with this Agreement and the transactions  contemplated  hereby
shall be paid by the Buyer and Merger  Sub,  as the case may be,  whether or not
the Merger is  consummated.  All fees and expenses  (including  all  accounting,
legal and investment  banking fees and expenses and all other expenses) incurred
by  the  Company  in  connection  with  this  Agreement  and  the   transactions
contemplated hereby shall be paid by the Surviving Corporation or, if the Merger
does not occur, by the Company.

         9.12     Other Remedies.

         Except  as  otherwise  provided  herein,  any and all  remedies  herein
expressly  conferred  upon a  party  will be  deemed  cumulative  with,  and not
exclusive  of, any other remedy  conferred  hereby or by law or equity upon such
party,  and the  exercise  by a party of any one remedy  will not  preclude  the
exercise of any other remedy.  Notwithstanding the provisions of this Agreement,
the parties expressly agree that reasonable  attorneys' fees and expenses may be
recoverable in connection  with any action to enforce  contractual  rights under
the  Amended and  Restated  Registration  Rights  Agreement  attached  hereto as
Exhibit J.

         9.13     Specific Performance.

         The Parties  acknowledge  and agree that damages would be an inadequate
remedy for any breach of the  provisions  of this  Agreement  and agree that the
obligations  of  the  Parties  hereunder  shall  be  specifically   enforced  in
accordance  with the terms of this Agreement.  The prevailing  party in any such
action  shall be entitled to recover from the other party its  attorneys'  fees,
costs and expenses incurred in connection with regard to such action.

         9.14     Construction.

         The Parties agree that they have been represented by counsel during the
negotiation,  preparation 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.  Any  reference to any
federal,  state,  local, or foreign statute or law shall be deemed also to refer
to all rules and regulations promulgated thereunder, unless the context requires
otherwise.

         9.15     Incorporation of Exhibits and Schedules.

         The Exhibits and  Disclosure  Letter  identified in this  Agreement are
incorporated herein by reference and made a part hereof.


                      [Signatures begin on following page]

                                       57
<PAGE>


         IN WITNESS WHEREOF,  the Parties hereto have executed this Agreement as
of the date first above written.


                                            VISUAL NETWORKS, INC.

Attest:
                                            By:      /s/  Scott E. Stouffer
By:      /s/  Nancy A. Spangler             Name:    Scott E. Stouffer
Name:    Nancy A. Spangler                  Title:   President
Title:   Secretary


                                            VISUAL ACQUISITIONS, INC.

Attest:
                                            By:      /s/  Peter J. Minihane
By:      /s/ Nancy A. Spangler              Name:    Peter J. Minihane
Name:    Nancy A. Spangler                  Title:   President
Title:   Secretary


                                            NET2NET CORPORATION

Attest:
                                            By:      /s/  Stephen A. McCalmont
By:      /s/  Paul Kelley                   Name:    Stephen A. McCalmont
Name:    Paul Kelley                        Title:   President and CEO
Title:   Secretary

                                       58
<PAGE>




CONTACT:
Dan Davie                                     Angela Tandy
Public Relations Specialist                   Investor Relations Analyst
Visual Networks, Inc.                         Visual Networks, Inc.
301/296-2273                                  301/296-2394
[email protected]                     [email protected]


                   VISUAL NETWORKS, INC. COMPLETES ACQUISITION
                             OF NET2NET CORPORATION

Rockville, MD - May 15, 1998 - Visual Networks(R), Inc. (NASDAQ: VNWK) a leading
provider of WAN service level  management  systems,  announced today that it has
completed its  acquisition  of  privately-held  Net2Net  Corporation,  a leading
provider of ATM analysis and management systems.

Under terms of the  transaction  announced  on April 16, 1998,  Visual  Networks
completed  its purchase of Net2Net for 2.25 million  shares of Visual  Networks'
common stock. Based on the May 14, 1998 closing price of Visual Networks' common
stock, the transaction is valued at approximately  $71 million.  The transaction
is being accounted for as a pooling of interests and is structured as a tax-free
reorganization. As a result of the acquisition, Visual Networks will recognize a
one-time charge of approximately $10 million related to transaction costs.

Based in Hudson,  Massachusetts,  Net2Net is a leading  provider of ATM analysis
and  management  systems.  The  company's  award-winning  family of  CellBlaster
products are designed to help ATM equipment developers,  service providers,  and
large end users install and troubleshoot ATM networks as they are deployed,  and
maintain those networks once operational.  Net2Net sells its products  globally,
through a network of channel-focused partners,  distributors,  and manufacturers
reps.

Visual  Networks,  Inc.  designs,  manufactures,  and  sells WAN  service  level
management  systems for  statistically  multiplexed  technologies  such as frame
relay and IP/Internet. Visual Networks' Visual UpTime system combines WAN access
functionality   with   innovative    software   for   performance    monitoring,
troubleshooting,  and network planning.  Visual UpTime provides  instrumentation
for  network  performance  measurement  and  analysis  that  allows WAN  service
providers  to  achieve  service  levels  required  by  subscribers  and to lower
operating  costs  associated with  statistically  multiplexed  services.  Visual
Networks is headquartered in Rockville, Maryland, with sales offices nationwide.

For more  information  about Visual  Networks and Visual UpTime,  contact Visual
Networks, Inc., 2092 Gaither Road, Rockville, Maryland 20850, at (800) 240-4010,
or via the World Wide Web at http://www.visualnetworks.com.

                                       1
<PAGE>

This press release may contain forward-looking information within the meaning of
Section 27A of the  Securities  Act of 1933 and  Section  21E of the  Securities
Exchange  Act of 1934,  and is  subject  to the  safe  harbor  created  by those
sections.  Visual  Networks  assumes no  obligations  to update the  information
contained in this press release. Visual Networks' future results may be impacted
by its ability to implement  its provider  deployment  model,  its lengthy sales
cycle,   dependence  on  its  major  customers,   risks  associated  with  rapid
technological change and the emerging services market, potential fluctuations in
its quarterly  operating  results,  its  dependence  on sole and limited  source
suppliers  and  fluctuations  in  component  pricing and its  dependence  on key
employees. Visual Networks' future results may be impacted by other risk factors
listed from time to time in its SEC reports,  including, but not limited to, the
Company's  prospectus dated February 5, 1998, its Annual Report on Form 10-K and
its Quarterly Report on Form 10-Q.


                                       2
<PAGE>


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