NETVANTAGE INC
10-Q, 1998-08-14
COMPUTER COMMUNICATIONS EQUIPMENT
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<PAGE>
 
                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D. C. 20549

                                   FORM 10-Q


            [X]  QUARTERLY REPORT UNDER SECTION 13 OR 15 (d) OF THE

                        SECURITIES EXCHANGE ACT OF 1934

                  For the quarterly period ended June 30, 1998

                                       OR

            [_]  TRANSITION REPORT UNDER SECTION 13 OR 15 (d) OF THE
                        SECURITIES EXCHANGE ACT OF 1934

              For the transition period from ________ to ________

                         Commission file number 0-25992


                                NETVANTAGE, INC.
             (Exact Name of Registrant as Specified in Its Charter)

                                        
                  Delaware                      95-4324525
        (State or Other Jurisdiction           (IRS Employer
              of Incorporation)              Identification No.)


             201 Continental Blvd. Suite 201, El Segundo, CA 90245
               (Address of Principal Executive Offices)(Zip Code)

                                 (310) 726-4130
              (Registrant's Telephone Number, Including Area Code)

Indicate by check mark whether the Registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such shorter period that the Registrant was
required to file such reports), and (2) has been subject to such filing
requirements for the past 90 days. YES   [X] NO [_]


The number of shares outstanding of each of the Registrant's classes of Common
Stock as of August 10, 1998: 10,167,950 shares of Class A Common Stock, 233,963
shares of Class B Common Stock and 540,995 shares of Class E Common Stock.

                                       1
<PAGE>
 
                                NetVantage, Inc.

                         Quarterly Report on Form 10-Q

                                     Index
<TABLE> 
<CAPTION> 

<S>                                                                               <C>
PART I.  FINANCIAL INFORMATION:...................................................   3
 
Item 1.  Financial Statements:....................................................   3
         Condensed Balance Sheets - June 30, 1998 and December 31, 1997...........   3
         Condensed Statements of Operations - Three Month and Six Month Periods
         Ended June 30, 1998 and 1997.............................................   4
         Condensed Statements of Cash Flows - Six Months Ended June 30, 1998
         and 1997.................................................................   5
         Notes to Condensed Financial Statements..................................   6

Item 2.  Management's Discussion and Analysis of Financial Condition and Results
         of Operations...........................................................    9

Item 3.  Quantitative and Qualitative Disclosures about Market Risk..............   14

PART II. OTHER INFORMATION:......................................................   15

Item 1.  Legal Proceedings......................................................    15

Item 2.  Changes in Securities and Use of Proceeds..............................    15

Item 3.  Defaults upon Senior Securities........................................    15

Item 4.  Submission of Matters to a Vote of Security Holders.....................   15

Item 5.  Other Information.......................................................   15

Item 6.  Exhibits and Reports on Form 8-K........................................   15

Signatures.......................................................................   16

Exhibit Index....................................................................   17
</TABLE> 

                                       2
<PAGE>
 
                         PART I  FINANCIAL INFORMATION

Item 1. Financial Statements

                                NetVantage, Inc.
                            Condensed Balance Sheets
                                  (Unaudited)
 
<TABLE> 
<CAPTION>  
                                                                                June 30,                December 31,
                                                                                  1998                     1997
                                                                              ------------              -----------
<S>                                                                            <C>                      <C>
                                   Assets
Current assets:
 Cash and cash equivalents..................................................   $13,264,973              $13,739,948
 Accounts receivable, net of allowance of $395,622 and $359,173 at
  June 30, 1998 and December 31, 1997, respectively.........................     2,414,646                5,559,019
 Other receivables..........................................................        87,837                  274,727
 Inventories, net...........................................................     6,238,107                7,379,511
 Prepaid expenses and other current assets..................................       398,888                  172,406
                                                                               -----------              -----------
  Total current assets......................................................    22,404,451               27,125,611

 Property and equipment, net................................................     2,533,284                1,869,227
 Note receivable from related party, net....................................       328,333                  328,333
 Other assets...............................................................        24,679                   25,523
                                                                               -----------              -----------
                                                                               $25,290,747              $29,348,694
                                                                               ===========              ===========
                    Liabilities and Stockholders' Equity
Current liabilities:
 Accounts payable...........................................................   $ 3,517,742              $ 2,146,669
 Accrued expenses...........................................................     1,032,201                1,009,768
 Accrued compensation and related liabilities...............................     1,299,698                  763,148
                                                                               -----------              -----------
  Total current liabilities.................................................     5,849,641                3,919,585
                                                                               ===========              ===========
Commitments and Contingencies
 
Stockholders' equity:
 Preferred stock, par value $0.01 per share, 5,000,000 shares
  authorized, none issued...................................................
 Class A common stock, par value $0.001 per share, 17,000,000 shares
  authorized, 10,160,603 and 10,082,133 shares issued and outstanding
  at June 30, 1998 and December 31, 1997, respectively......................        10,161                   10,082
 Class B common stock, convertible into Class A common stock, par
  value $0.001 per share, 1,800,000 shares authorized, 241,310 and
300,030 shares issued and outstanding at June 30, 1998 and
December 31, 1997, respectively.............................................           241                      300
 Class E common stock, convertible into Class B common stock, par
  value $0.001 per share, 1,200,000 shares authorized, 540,995 issued;
  all shares are held in escrow.............................................           541                      541
Additional paid-in-capital..................................................    64,942,192               64,830,665
Accumulated deficit.........................................................   (45,512,029)             (39,412,479)
                                                                               ===========              ===========
Total stockholders' equity.................................................     19,441,106               25,429,109
                                                                               -----------              -----------
                                                                               $25,290,747              $29,348,694
                                                                               ===========              ===========
</TABLE> 
                                        
           See accompanying notes to condensed financial statements.

                                       3
<PAGE>
 
                                NetVantage, Inc.
                       Condensed Statements Of Operations
                                  (Unaudited)
 
<TABLE> 
<CAPTION>  
                                                      Three Months Ended                           Six Months Ended
                                                           June 30,                                    June 30,
                                          ---------------------------------------     ---------------------------------------
                                                   1998              1997                     1998                1997
                                          ------------------    -----------------     -----------------     ------------------
<S>                                         <C>                      <C>                     <C>                       <C> 
Net revenues:
 Product revenues...................          $ 1,285,121       $ 5,709,527              $ 1,859,055           $ 9,001,248
 Engineering services...............               33,480               958                   35,432                11,823
 License fees.......................            5,000,000                                  5,000,000        
                                              -----------       -----------              -----------           -----------
                                                6,318,601         5,710,485                6,894,487             9,013,071
                                              ===========       ===========              ===========           ===========
Costs and expenses:
 Cost of revenues...................            1,299,837         6,278,103                5,426,484             8,635,998 
 Research and development...........            2,644,911         1,714,020                4,489,839             3,171,593  
 Selling and marketing..............              874,963           575,870                1,337,417             1,279,765
 General and administrative.........            1,281,084           558,573                2,068,578             1,749,245
                                              -----------       -----------              -----------           -----------
                                                6,100,795         9,126,566               13,322,318            14,836,601
                                              ===========       ===========              ===========           ===========

Income (loss) from operations.......              217,806        (3,416,081)              (6,427,831)           (5,823,530)

Interest income.....................              170,081           319,092                  337,038               472,794
Interest expense....................               (3,670)          (50,860)                  (8,757)              (84,173)
                                              -----------       -----------              -----------           -----------
Net income (loss)...................          $   384,217       $(3,147,849)             $(6,099,550)          $(5,434,909)
                                              ===========       ===========              ===========           ===========
 Net income (loss) per share -
  basic.............................          $      0.04       $     (0.30)             $     (0.59)          $     (0.53)
                                              ===========       ===========              ===========           ===========
 Net income (loss) per share -
  diluted...........................          $      0.04       $     (0.30)             $     (0.59)          $     (0.53)
                                              ===========       ===========              ===========           ===========
Weighted average shares used in per
 share computation:

 Basic..............................           10,398,939        10,357,851               10,391,960            10,177,982
                                              ===========       ===========              ===========           ===========
 Diluted............................           10,884,045        10,357,851               10,391,960            10,177,982
                                              ===========       ===========              ===========           ===========
</TABLE> 

        See accompanying notes to condensed financial statements.

                                       4
<PAGE>
 
                                NetVantage, Inc.
                       Condensed Statements Of Cash Flows
                                  (Unaudited)
<TABLE> 
<CAPTION> 
                                                                                   Six Months Ended June 30,
                                                                            --------------------------------------
                                                                                   1998                  1997
                                                                            -------------------   ----------------
<S>                                                                      <C>                    <C>
Net loss.........................................................             $(6,099,550)         $(5,434,909) 
Adjustments to reconcile net loss to net cash provided by 
(used in) operating activities:                                                                                         
   Depreciation and amortization of goodwill and intangibles.....                 499,062              419,163     
   Allowance for doubtful accounts...............................                  36,449               55,000     
   Compensation recorded upon issuance of warrants...............                                      112,426     
   Allowance for inventory valuation.............................               1,461,579              533,518
Changes in assets and liabilities:                                                                                 
   Accounts receivable...........................................               3,107,924            3,101,262    
   Other receivables.............................................                 186,890              655,037     
   Due from related parties......................................                                      100,000     
   Inventories...................................................                (320,175)          (2,938,944)    
   Prepaid expenses and other assets.............................                (226,482)              (5,745)    
   Note receivable from related party............................                                     (750,000)     
   Other assets..................................................                     844                         
   Accounts payable..............................................               1,371,073            1,325,200    
   Accrued expenses..............................................                  22,433             (376,687)    
   Accrued compensation and related liabilities..................                 536,550             (109,293)    
                                                                              -----------          -----------     
Net cash provided by (used in) operating activities..............                 576,597           (3,313,972)    
                                                                              -----------          -----------     
Investing activities:                                                                                              
   Purchase of property and equipment............................              (1,163,119)            (388,295)    
                                                                              -----------          -----------     
Financing activities:                                                                                              
   Common stock issuance under stock option plans................                 111,547                         
   Proceeds from exercise of B warrant call......................                                   26,233,126    
   Issuance costs on warrant call................................                                     (596,176)    
                                                                              -----------          -----------     
Net cash provided by financing activities........................                 111,547           25,636,950    
                                                                              -----------          -----------     
Increase (decrease) in cash and cash equivalents.................                (474,975)          21,934,683     
                                                                                                                   
Cash and cash equivalents at beginning of period.................              13,739,948            2,787,593     
                                                                              -----------          -----------     
Cash and cash equivalents at end of period.......................             $13,264,973          $24,722,276    
                                                                              ===========          ===========      
Supplemental disclosures of cash flow information:                                                                
   Interest paid.................................................             $     3,670          $        
                                                                              ===========          ===========      
Non cash investing activities -
During 1997 the Company applied $157,500 of deferred warrant call costs as a reduction of additional paid-in-capital.
</TABLE> 

           See accompanying notes to condensed financial statements.

                                       5
<PAGE>
 
                                NetVantage, Inc.
                    Notes to Condensed Financial Statements
                                  (Unaudited)

1.   Description of Business and Basis of Presentation

     NetVantage, Inc. (the "Company") is a provider of Ethernet Workgroup
switching products to the Original Equipment Manufacturer ("OEM") marketplace.
Ethernet Workgroup switches increase the information handling capacity of Local
Area Networks ("LANs"). Other applications for the Company's switching products
include connecting LANs to each other to extend the network's scope and power
and to provide installed networks with the ability to connect to networking
devices incorporating new technologies such as Asynchronous Transfer Mode or
"ATM," Gigabit Ethernet and Layer 3 Switching.  The Company's switching products
require no special skills to install, and require no changes to existing user
network equipment, wiring, hub equipment, software protocols or applications.
The Company's products offer end-users cost effective solutions for their
connectivity needs.

     The accompanying unaudited condensed financial statements have been
prepared in accordance with generally accepted accounting principles for interim
financial information pursuant to the rules and regulations of the Securities
and Exchange Commission. Accordingly, they do not include all of the information
and footnotes required by generally accepted accounting principles for complete
financial statements. The unaudited condensed financial statements reflect, in
the opinion of management, adjustments, all of which are of a normal recurring
nature, necessary to present fairly the financial position of the Company as of
June 30, 1998, the results of operations for the three and six months ended June
30, 1998 and 1997, and its cash flows for the six months ended June 30, 1998 and
1997. The unaudited condensed financial statements should be read in conjunction
with the Company's audited annual financial statements and notes included in the
Company's Annual Report on Form 10-K and Form 10-K/A for the year ended December
31, 1997.

     Certain previously disclosed amounts have been reclassified in order to
conform to the current year's presentation. The reclassification of these
amounts had no effect on the results of operations or accumulated deficit.

2.   Inventories

     The Company's inventories were comprised of the following at June 30, 1998
and December 31, 1997:
 
<TABLE> 
<CAPTION>  
                                                 June 30, 1998             December 31, 1997
                                            ----------------------     ------------------------
<S>                                        <C>                          <C>
Finished goods.....................               $1,178,000                  $3,417,317 
Parts and materials................                5,060,107                   3,962,194   
                                                  ----------                  ----------   
                                                  $6,238,107                  $7,379,511   
                                                  ==========                  ==========    
</TABLE> 

     The finished goods inventory as of June 30, 1998, consists of NV7500 series
and NV8500 series products. Parts and materials inventory as of June 30, 1998
includes $824,784 of items related to the Company's NV7500 series and NV8500
series products. The NV7500 series and NV8500 series related inventory included
above is valued at estimated fair value which is below the Company's initial
cost.

3.   Net Income (Loss) Per Share

     During the fourth quarter of 1997, the Company adopted Statement of
Financial Accounting Standards No. ("Statement") 128, "Earnings Per Share". In
accordance with Statement 128, primary net income (loss) per share has been
replaced with basic net income (loss) per share and fully diluted net income
(loss) per share has been replaced with diluted net income (loss) per share

                                       6
<PAGE>
 
which includes potentially dilutive securities such as outstanding stock
options. Prior periods have been restated to conform to Statement 128; however,
as the Company had a net loss for the three and six month periods ended June 30,
1997, the basic and diluted net loss per share are no different than the net
loss per share amounts previously presented for these periods.

     Basic net income (loss) per share is computed by dividing net income (loss)
available to the Company's Class A and Class B common stockholders by the
weighted average number of the Company's Class A and Class B common shares
outstanding during the period. Diluted net income (loss) per share is computed
by dividing net income (loss) available to the Company's Class A and Class B
common stockholders by the weighted average number of the Company's Class A and
Class B common shares outstanding during the period, increased to include the
number of additional Class A and Class B common shares that would have been
outstanding if the dilutive potential Class A and Class B common shares had been
issued. For purposes of the above calculations, common shares exclude the shares
of Class E Common Stock held in escrow because the conditions for the release of
these shares from escrow have not been satisfied. The dilutive effect of
outstanding stock options is reflected in diluted net income (loss) per share by
application of the treasury stock method. The following table sets forth the
computation of basic and diluted net income (loss) per share (in thousands,
except per share amounts):

<TABLE> 
<CAPTION> 
                                                     Three Months Ended                       Six Months Ended
                                            ------------------------------------     ------------------------------------
                                                June 30,             June 30,            June 30,             June 30,
                                                  1998                 1997                1998                 1997
                                            ----------------     ---------------     ---------------      ---------------
<S>                                           <C>                 <C>                  <C>                   <C> 
Numerator:
 Net income (loss)                                $    384           $ (3,148)            $ (6,100)             $ (5,435) 
                                                  ========           ========             ========              ========
Denominator:                                                                                                              
 Denominator for basic net income
  (loss) per share-weighted average                                                                                       
  shares outstanding                                10,399             10,358               10,392                10,178    
                                                                                                                    
                                                                                                                          
 Effect of dilutive securities:                                                                                           
  Dilutive options and warrants                                                                                            
  outstanding                                          485               -                    -                     -    
                                                  --------           --------             --------              -------- 
                                                                                                                          
 Denominator for diluted net income
  (loss) per share-adjusted weighted             
  average shares outstanding           
                                                    10,884             10,358               10,392                10,178    
                                                  ========           ========             ========              ========   

 Net income (loss) per share - basic              $   0.04           $  (0.30)            $  (0.59)             $  (0.53) 
                                                  ========           ========             ========              ========   
                                                                                                                          
 Net income (loss) per share - diluted            $   0.04           $  (0.30)            $  (0.59)             $  (0.53) 
                                                  ========           ========             ========              ========   
</TABLE> 

          Options to purchase 167,500 shares of common stock at prices ranging
from $7.875 to $11.44 per share outstanding at June 30, 1998, were not included
in the computation of diluted net income per share for the three month period
ended June 30, 1998. These options were excluded from the computation of diluted
net income per share because the options' exercise prices were greater than the
average market price of the common shares during the period, and therefore, the
effect would be antidilutive. As the Company had a net loss for the six month
period ended June 30, 1998, all 2,770,956 outstanding stock options, unit
purchase option and warrants were excluded from the calculation of diluted net
loss per share, because the effect would have been antidulutive.

                                       7
<PAGE>
 
4.   Stockholders' Equity

     Merger Agreement
 
     On June 22, 1998, the Company entered into an Agreement and Plan of Merger
(the "Merger Agreement") with Cabletron Systems, Inc.("Cabletron") and
Cabletron's wholly owned subsidiary, Tempest Acquisition,Inc. ("Merger Sub").
The Merger Agreement provides that, upon satisfaction of certain conditions,
Merger Sub will merge into the Company, with the Company surviving the merger as
a wholly owned subsidiary of Cabletron (the "Merger"), and each outstanding
share of the Company's Class A Common Stock (together with the rights attached
thereto) and Class B Common Stock, and each ten outstanding shares of the
Company's Class E Common Stock, will be converted into the right to receive 8/13
(or approximately 0.6154) of a share of Cabletron's common stock and cash in 
lieu of fractional shares. In addition, upon completion of the Merger, stock
options under the Company's employee stock option plans will become options to
acquire shares of Cabletron common stock at an adjusted price reflecting this
exchange ratio.

     The completion of the Merger is subject to a number of conditions,
including approval of the transaction by the Company's stockholders. Preliminary
proxy materials related to the proposed transaction have been filed with the
Securities and Exchange Commission. The Merger Agreement may be terminated by
the Company or Cabletron if it is not completed by October 15, 1998. Under
certain circumstances specified in the Merger Agreement, Cabletron will be
entitled to a termination fee of $3.8 million from the Company in the event of a
termination of the Merger Agreement. The transaction will be accounted for as a
purchase and is intended to qualify as a tax-free reorganization.

Stockholder Rights Plan

     On February 13, 1998, the Company adopted a Stockholder Rights Plan (the
"Rights Plan"). Under the Rights Plan, a dividend of one Share Purchase Right (a
"Right") was declared for each share of Class A Common Stock outstanding at the
close of business on March 6, 1998. In the event that a person or group acquires
securities representing 15% or more of the aggregate voting power of the
Company's stock without advance approval by the Board of Directors, each Right
will entitle the holder, other than the acquirer, to buy Class A Common Stock
with a market value of twice the exercise price (initially $35.00, subject to
adjustment) for the Right's then current exercise price. In addition, if the
Rights are triggered by such a non-approved acquisition and the Company is
thereafter acquired in a merger or other transaction in which the stockholders
of the Company are not treated equally, stockholders with unexercised Rights
will be entitled to purchase common stock of the acquirer with a value of twice
the exercise price of the Rights. The Company's Board of Directors may redeem
the Rights for a nominal amount at any time prior to an event that causes the
Rights to become exercisable. The Rights trade automatically with the underlying
Class A Common Stock (unless and until a distribution event occurs under the
Rights Plan) and expire on February 13, 2008 if not redeemed earlier. In
connection with its approval of the Merger Agreement, the Company's Board of
Directors took action, pursuant to the Rights Plan, to exempt therefrom the
execution, delivery and performance of the Merger Agreement and the consummation
of the transactions contemplated thereby, including the Merger.

5.   Revenue and Accounts Receivable Concentrations

     Revenue and accounts receivable concentrations are expected due to the
large individual orders characteristic of the Company's OEM customer base. The
following table 

                                       8
<PAGE>
 
represents sales to customers accounting for greater than 10% of the Company's
net revenues for the six months ended June 30, 1998 and 1997, and customer
accounts receivable accounting for greater than 10% of Company accounts
receivable at June 30, 1998 and December 31, 1997.

<TABLE> 
<CAPTION> 
                                           Net Revenues Six Months Ended 
                                                      June 30,                                Accounts Receivable
                                        ---------------------------------------        -----------------------------------------
                                                                                            June 30,               December 31,
                                              1998                    1997                    1998                     1997
                                        ----------------       ----------------        ------------------      -----------------
<S>                                    <C>                     <C>                       <C>                      <C>
Customer 1 (Allied Telesis, K.K).....         13%                      68%                       69%                    87% 
Customer 2...........................         N/A                      18%                       N/A                    N/A  
Customer 7...........................         N/A                      N/A                       10%                    N/A  
Customer 8 (Cabletron Systems, Inc.).         79%                      N/A                       N/A                    N/A   
</TABLE> 

     Due to certain consolidations in the Company's customer base during 1997,
reported net revenues and accounts receivable concentrations have been combined
above in order to reflect the current mix of the Company's customers. The
Company does not expect Customer 1 to be a significant customer in future
quarters. Customer 8 revenues consist solely of a license fee under a 
Manufacturing Rights Agreement (see Note 6).

6.  OEM and Manufacturing Rights Agreements

    On June 22, 1998, concurrently with entering into the Merger Agreement, the
Company and Cabletron entered into an OEM agreement (the "OEM Agreement") and a
Manufacturing Rights Agreement (the "Manufacturing Rights Agreement"). Under the
OEM Agreement, Cabletron may purchase certain products manufactured by the
Company for resale under Cabletron and other OEM brand names. Under the
Manufacturing Rights Agreement, Cabletron was granted a nonexclusive worldwide
license to manufacture certain products of the Company and then resell them
under Cabletron and other OEM brand names in exchange for an initial non-
refundable payment of $5 million plus certain specified additional royalties for
certain products produced and sold in excess of certain defined quantity levels.
The OEM Agreement and the Manufacturing Rights Agreement are effective
immediately and are not subject to stockholder approval. If the Merger Agreement
is terminated, the OEM Agreement will terminate, but the Manufacturing Rights
Agreement will continue in effect.

Item 2.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
         OF OPERATIONS

    Except for the historical information contained herein, the matters
discussed in this report are forward-looking statements that involve certain
risks and uncertainties that could cause the actual results to differ materially
from the forward-looking statements. For example, statements in this Form 10-Q
that relate to future plans, events or performance are forward-looking
statements that involve risks and uncertainties, including risks associated with
uncertainties pertaining to customer orders, demand for products and services,
development of markets for the Company's products and services and other risks.
Other potential risks and uncertainties include, without limitation, risks in
the near term associated with the development and introduction of new products,
including the need to complete testing satisfactorily, the availability of
appropriate quantities of defect-free parts which incorporate new technology and
customer acceptance of new products when introduced, as well as those mentioned
in the Company's Annual Report on Form 10-K and Form 10-K/A for the year ended
December 31, 1997 (including those listed under the heading "Risk Factors") and
other factors described from time to time in other filings made by the Company

                                       9
<PAGE>
 
with the Securities and Exchange Commission. Actual results, events and
performance may differ materially. Readers are cautioned not to place undue
reliance on these forward-looking statements, which speak only as of the date
hereof. The Company undertakes no obligation to release publicly the results of
any revisions to these forward-looking statements that may be made to reflect
events or circumstances after the date hereof or to reflect the occurrence of
unanticipated events.

     The following discussion should be read in conjunction with the unaudited
condensed financial statements and accompanying notes, included in Part I - Item
1 of this Quarterly Report, and the audited financial statements and
accompanying notes and Management's Discussion and Analysis of Financial
Condition and Results of Operations contained in the Company's Annual Report on
Form 10-K and Form 10-K/A for the year ended December 31, 1997.

GENERAL

     In mid-1995, the Company introduced its 8 port Ethernet switch and began
commercial shipments of this product in late 1995. In 1995, the Company
attempted to market this product both through distribution channels and to
Original Equipment Manufacturers ("OEMs"). Late in the third quarter of 1995,
the Company changed its strategic marketing emphasis to OEM customers and
discontinued its efforts to market through distribution channels. In the first
quarter of 1996, the Company completed its second product, a 16 port Ethernet
switch with uplink capability. In the first quarter of 1996, the production and
sale of the original 8 port product was discontinued. During the third quarter
of 1996, the Company began selling an 8 port Ethernet switch with a 100 Base T
uplink. Substantially all of the revenue in 1996 was from the 8 and 16 port
Ethernet switching products including 100 Base T, 100 Base FX and 100 VG
uplinks. The Company continued to sell the 8 port Ethernet switch during the
first and second quarter of 1997. Sales of the 8 port switch for all practical
purposes ended after the second quarter of 1997. Sales of the 16 port Ethernet
switch with a single uplink continued throughout 1997. The Company introduced a
new 16 port switch with dual uplinks in the first quarter of 1997. All of the
Company's products mentioned above are expected to become insignificant to the
Company's future revenues due to the introduction of the NV9224, the Company's
newest Ethernet switch, of which the Company began first customer shipments
during the second quarter of 1998. The NV9224 is a 24 port Fast Ethernet switch
with 10/100 dual speed ports, and is the first in a series of products to be
released in the Company's NV9200 family.

     On June 22, 1998, the Company entered into an Agreement and Plan of Merger
(the "Merger Agreement") with Cabletron Systems, Inc. ("Cabletron") and
Cabletron's wholly owned subsidiary, Tempest Acquisition, Inc. ("Merger Sub"),
pursuant to which, among other things, Merger Sub will merge into the Company,
with the Company surviving the merger as a wholly owned subsidiary of Cabletron
(the "Merger"), and each outstanding share of the Company's Class A Common Stock
(together with the rights attached thereto) and Class B Common Stock and each
ten outstanding shares of the Company's Class E Common Stock (other than shares
of the Company's Common Stock held in the treasury of the Company, held by
Cabletron or any direct or indirect wholly owned subsidiary of the Company or
Cabletron, or with respect to which appraisal rights are properly exercised)
will be automatically converted into the right to receive 8/13 (or approximately
0.6154) of a share of Cabletron's common stock and cash in lieu of fractional
shares.  The consummation of the Merger Agreement and the transactions
contemplated thereby, including the Merger, is subject to certain conditions,
including the approval of the Company's stockholders at a special meeting to be
held at a later date.  Preliminary proxy materials related to the proposed
transaction have been filed with the Securities and Exchange Commission.  The
Merger Agreement may be terminated by the Company or Cabletron if it is not
completed by October 15, 1998.  Under certain circumstances specified in the
Merger Agreement, Cabletron will be entitled to a termination fee of $3.8
million from the Company in the event of a termination of the Merger Agreement.
The information contained in this Quarterly Report on Form 10-Q speaks only as
of the date 

                                       10
<PAGE>
 
hereof and does not address the possible effects of any consummation of the
Merger Agreement or the transactions contemplated thereby, including the Merger,
on the Company. Concurrently with entering into the Merger Agreement, the
Company and Cabletron entered into an OEM Agreement (the "OEM Agreement") and a
Manufacturing Rights Agreement (the "Manufacturing Rights Agreement"). Under the
Manufacturing Rights Agreement, Cabletron was granted a nonexclusive worldwide
license to manufacture certain products of the Company and resell them under
Cabletron and other OEM brand names in exchange for an initial non-refundable
payment of $5 million, plus certain specified additional royalties for certain
products produced and sold in excess of certain defined quantity levels. These
two agreements were effective immediately and are not subject to stockholder
approval. See also the notes to the unaudited condensed financial statements of
the Company included in Part I - Item 1 hereto.

THREE MONTHS ENDED JUNE 30, 1998 COMPARED TO THREE MONTHS ENDED JUNE 30, 1997

     Net revenues for the three months ended June 30, 1998 and 1997 were
$6,318,601 and $5,710,485, respectively. The net revenues increase was due to
the Company receiving $5,000,000 as an initial non-refundable payment under the
Manufacturing Rights Agreement with Cabletron. The product revenues and
engineering services decrease of $4,391,884 or 77% was primarily due to the
Company experiencing a delay in the release of the new NV9200 series product, of
which first customer shipments were made in May 1998, and the reduced demand for
the Company's NV7500 and NV8500 series product lines. The majority of the second
quarter 1997 sales were for the NV7500 and NV8500 series product lines, whereas
only approximately $990,000 of the second quarter 1998 revenue was for these
product lines. The Company's products are subject to intense competition in the
switching market characterized by frequent product introductions with improved
price/performance characteristics, significant price reductions, rapid
technological changes and continued emergence of new industry standards. The
Company's revenue in any period is also dependent upon the sales efforts and
success of the Company's OEM customers.

     Cost of revenues for the three months ended June 30, 1998 and 1997 were
$1,299,837 or 99% of product revenues and engineering services, and $6,278,103
or 110% of product revenues and engineering services, respectively. The positive
gross margin in 1998 on product revenues and engineering services was primarily
attributable to the first customer shipments of the new NV9200 series product.
During the quarter, the Company also sold previously manufactured NV7500 and
NV8500 products to one customer at significantly reduced margins in an ongoing
effort to obtain the maximum amount of cash from the Company's previously
written down inventory. The negative gross margin in 1997 was attributable to a
large concentration of sales made to the same customer in order to decrease the
Company's exposure on certain previously purchased inventory.

     In the future, the Company's gross margins may be affected by several 
factors, including the mix of products sold, the price of products sold, price 
competition, manufacturing volumes, fluctuations in material costs, changes in 
other components of cost of revenue and the technological innovativeness of 
products sold.  The timing, cost, performance, feature set, ASIC revisions and 
volume of the Company's new product lines may impact gross margins and could 
result in excess or obsolete inventories.

     Research and development expenses for the three months ended June 30, 1998
and 1997 were $2,644,911 or 42% of net revenues and $1,714,020 or 30% of net
revenues, respectively. The increase of $930,891 or 54%, is primarily
attributable to significant product rollout costs associated with the NV9224,
additional research and development efforts related to the  development of other
models in the NV9200 family of products and the addition of new personnel and
related incentives.

     Selling and marketing expenses for the three months ended June 30, 1998 and
1997 were $874,963 or 14% of net revenues and $575,870 or 10% of net revenues,
respectively. The increase of $299,093 or 52% was primarily due to an increase
in commission expenses resulting from the procurement of the Manufacturing
Rights Agreement.

     General and administrative expenses for the three months ended June 30,
1998 and 1997 were $1,281,084 or 20% of net revenues and $558,573 or 10% of net
revenues, respectively. The increase of $722,511 or 129% was primarily due to
the significant increase in legal fees, accounting fees and consulting costs
associated with the Company entering into the Merger

                                       11
<PAGE>
 
Agreement, OEM Agreement and Manufacturing Rights Agreement with Cabletron.

     Interest income for the three months ended June 30, 1998 and 1997 was
$170,081 and $319,092 respectively.  The decrease of $149,011 or 47% is due to
the decrease in investable funds.
 
     A provision for income tax expense has not been charged against operations 
for the three month period ended June 30, 1998 as the Company expects a net loss
for the current year, for accounting and tax purposes, greater than the amount
of reflected second quarter 1998 net income.

     The net income for the three months ended June 30, 1998 was $384,217
compared to a net loss for the three months ended June 30, 1997 of $3,147,849.
The $3,532,066 or 112% increase to net income was primarily due to the
$5,000,000 in license fees resulting from the Cabletron Manufacturing Rights
Agreement offset by higher research and development costs attributed to the
rollout costs of the NV9224, higher commission expenses and higher legal,
accounting and consulting fees associated with the execution of the Merger
Agreement, OEM Agreement and Manufacturing Rights Agreement with Cabletron.

SIX MONTHS ENDED JUNE 30, 1998 COMPARED TO SIX MONTHS ENDED JUNE 30, 1997

     Net revenues for the six months ended June 30, 1998 and 1997 were
$6,894,487 and $9,013,071, respectively. Included in the net revenues for the
six months ended June 30, 1998, is an initial non-refundable payment of
$5,000,000 received under the Manufacturing Rights Agreement with Cabletron. The
decrease in product revenues and engineering services of $7,118,584 or 79% was
primarily due to the Company experiencing a delay in the release of the new
NV9200 series product, of which first customer shipments were made in May of
1998, and the reduced demand for the Company's NV7500 and NV8500 series product
lines. The majority of the 1997 product sales were for the NV7500 and NV8500
series product lines. The Company's products are subject to intense competition
in the switching market characterized by frequent product introductions with
improved price/performance characteristics, significant price reductions, rapid
technological changes and continued emergence of new industry standards. The
Company's revenue in any period is also dependent upon the sales efforts and
success of the Company's OEM customers.

     Cost of revenues for the six months ended June 30, 1998 and 1997 were
$5,426,484 or 286% of product revenues and engineering services, and $8,635,998
or 96% of product revenues and engineering services, respectively. The negative
gross margin on product revenues and engineering services in 1998 is
attributable to the Company charging operations approximately $3.1 million for a
reduction in inventory valuation in the first quarter of 1998. This charge
related primarily to a reduction in the estimated fair value of the Company's
NV7500 series and NV8500 series product lines, which the Company believes were
negatively affected by further market pricing pressure, and losses on firm
purchase order commitments related to the above mentioned product lines. During
the six months ended June 30, 1998, the Company also sold previously
manufactured NV7500 and NV8500 products to one customer at significantly 
reduced margins. In addition, the Company's operating model requires greater
manufacturing volumes in order to obtain the necessary purchasing economies of
scale, production efficiencies and reasonable overhead application rates
required to significantly improve gross margins. The second quarter 1997 low
gross margin was primarily due to a number of factors including the Company's
sale of certain previously manufactured inventory at below cost in order to
reduce the Company's inventory exposure, as well as additional manufacturing
costs incurred to meet scheduled shipments and inventory valuation issues
identified by management and charged to operations. See additional information
under "Liquidity and Capital Resources".

     In the future, the Company's gross margins may be affected by several 
factors, including the mix of products sold, the price of products sold, price
competition, manufacturing volumes, fluctuations in material costs, changes in 
other components of cost of revenues and the technological innovativeness of 
products sold.  The timing, cost, performance, feature set, ASIC revisions and 
volume of the Company's new product lines may impact gross margins and could 
result in excess or obsolete inventories.

     Research and development expenses for the six months ended June 30, 1998
and 1997 were $4,489,839 or 65% of net revenues, and $3,171,593 or 35% of net
revenues, respectively. The increase of expenses as a percentage of net revenue
from the six months ended June 30, 1998 to the same period of 1997 is due to
increases in expenditures and the decline in revenue. A significant portion of
the increase of expenditures of $1,318,246 or 42% was due to related incentive
and enhanced employee benefit packages, depreciation on equipment, and increased

                                       12
<PAGE>
 
costs associated with new projects aimed at developing the Company's next
generation of products. The Company will continue to spend significant amounts
for research and development as the Company continues with the development of
additional products and features based upon the next generation product
architecture.

     Selling and marketing expenses for the six months ended June 30, 1998 and
1997 were $1,337,417 or 19% of net revenues and $1,279,765 or 14% of net
revenues, respectively. The increase of $57,652 or 5% was primarily due to the
expansion of selling efforts in the European, Middle East and African markets.

     General and administrative expenses for the six months ended June 30, 1998
and 1997 were $2,068,578 or 30% of net revenues and $1,749,245 or 19% of net
revenues, respectively. The increase of $319,333 or 18% was principally due to
professional fees related to the execution of the Merger Agreement, OEM 
Agreement and the Manufacturing Rights Agreement with Cabletron, which resulted
in increased legal fees, accounting fees and consulting costs, as well as the
addition of new personnel. In 1997 general and administrative expenses were
higher than the prior period of 1996 primarily due to additional legal,
accounting and consulting fees incurred after the resignation of the Company's
former Chief Financial Officer in January 1997.

     Interest income for six months ended June 30, 1998 and 1997 was $337,038
and $472,794, respectively.  The change in interest income is due to a decrease
in investable funds.

     The net loss for the six months ended June 30, 1998 and 1997 was $6,099,550
and $5,434,909, respectively. The $664,641 increase in the net loss was due to a
lower sales volume, sales at reduced margins, charges for inventory valuation
issues and losses on firm purchase order commitments, continued research and
development expense increases, and increases in general and administrative
expenses due to the execution of the Merger Agreement, OEM Agreement and the
Manufacturing Rights Agreement, offset by a license fee received by the Company
under the Manufacturing Rights Agreement.

VARIABILITY OF PERIODIC RESULTS AND SEASONALITY

     Results from any one period cannot be used to predict the results for other
periods.  Revenues fluctuate from period to period; however, management does not
see any overriding seasonality or a high level of predictability to these
fluctuations at this time.  Revenues can be negatively affected by, among other
things, expected releases of both the Company's or its competitors' new product
lines.  The Company's reliance on a few base product types also makes it more
susceptible to revenue shortfalls.

LIQUIDITY AND CAPITAL RESOURCES

     Since its inception in March 1991, the Company has financed its development
activities through a combination of an initial public offering completed in 1995
and private transactions involving the issuance of common stock for cash,
convertible notes, bridge notes and the exercise of stock options and warrants.
For the period from March 12, 1991 (inception) to June 30, 1998, the Company has
raised $64,953,135 from such sources.

     At June 30, 1998, the Company had working capital of $16,554,810, including
inventories of $6,238,107, accounts receivable of $2,414,646 and cash and cash
equivalents of $13,264,973. Inventories include finished goods, parts and
materials, of $1,178,000 and $824,784, respectively, related to the Company's
earlier generation NV7500 and NV8500 product lines. The Company has reduced the
carrying value of the inventory to its estimated net realizable value as of June
30, 1998. While the Company will continue to negotiate sales for these products,
there can be no assurance that the Company will be successful in this effort. In
the event the market pricing or customer acceptance for these products further
decreases, additional charges to operations will be required.

     The Company requires substantial working capital to fund its business,
particularly to finance new product development.  In addition, capital is needed
to support product procurement and manufacturing and accounts receivable. The
Company's future capital 

                                       13
<PAGE>
 
requirements will depend on many factors, including the rate of revenue growth,
the timing and extent of spending to support product development efforts and
expansion of sales and marketing, the timing of introductions of new products
and enhancements to existing products, and market acceptance of the Company's
products. Management believes that there was some negative impact on the
Company's sales to Asian-based customers in the second half of 1997 due to the
Asian economic crisis, although it is difficult to quantify such impact. In
addition, this negative impact on sales to Asian-based customers has continued
throughout 1998 and may continue thereafter if the situation in Asia does not
improve.

     The Company believes that its existing cash balances are sufficient to meet
the liquidity requirements of the Company for at least the next twelve months.
Management intends to supplement the Company's cash position through the
financial support of its key suppliers whose trade terms with the Company are
expected to provide a source of additional cash flow. The Company anticipates
that operating losses in 1998 and any accounts receivable resulting from new
sales of the next generation product will increase the cash demands of the
Company. The Company's operations provided cash of $576,597 for the six months
ended June 30, 1998, whereas for the six months ended June 30, 1997, the
Company's operations utilized cash of $3,313,972. Management expects to use cash
in operations for at least the remainder of the 1998 year. Additionally, the
Company currently anticipates additional spending for capital expenditures in
1998 for computer software and network test equipment. In addition, depending on
the completion of the merger transaction, the Company expects to procure an
asset based credit line in 1998 to provide further available liquidity to the
operations. However, because of continuing investments in research and
development and operating losses, the Company may need to seek additional credit
sources, alternative financing and/or further equity investment. The sources of
such credit or equity investment may include the issuance of additional
securities. There can be no assurance, however, that additional funds from
equity or debt sources will be available on favorable terms or at all. The
Company's future capital requirements will depend upon numerous factors,
including the progress of the Company's cost reduction efforts for its existing
products, the success or lack thereof of its new product development, the amount
of resources devoted to manufacturing and marketing, technological advances, the
status of competitors and the success or lack thereof of the Company's marketing
activities.

Item 3.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

     Not applicable.

                                       14
<PAGE>
 
                          PART II - OTHER INFORMATION

ITEM 1.  Legal Proceedings

     The Company is currently involved in various claims and legal actions
arising in the ordinary course of business. In the opinion of management, after
discussion with legal counsel, the ultimate resolution of such claims and
actions are not expected to have a material adverse effect on the Company's
financial position, results of operations or cash flows.

ITEM 2.  Changes in Securities and Use of Proceeds

         None.

ITEM 3.  Defaults upon Senior Securities

         None.

ITEM 4.  Submission of Matters to a Vote of Security Holders

         None

ITEM 5.  Other Information

         None

ITEM 6.  Exhibits and Reports on Form 8-K

         (a)  Exhibits:

          Exhibit 2.1    Agreement and Plan of Merger dated as of June 22, 1998,
                         between Cabletron Systems, Inc., Tempest Acquisition,
                         Inc. and the Company.

          Exhibit 10.01  Cabletron Systems, Inc., Agreement dated as of June 22,
                         1998 between Cabletron Systems, Inc., NetVantage, Inc. 
                         and Stephen R. Rizzone.
                         
          Exhibit 10.16  Amended and Restatement of Employment Agreement
                         dated as of June 22, 1998, between Stephen Rizzone and
                         the Company.


          Exhibit 10.23  Management Incentive Compensation Plan, as Amended.

          Exhibit 27     Financial Data Schedule - Electronic Format Only

          (b) Reports on Form 8-K
          None

                                       15
<PAGE>
 
                                   SIGNATURES


     PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1934, THE REGISTRANT
HAS DULY CAUSED THIS REPORT TO BE SIGNED ON ITS BEHALF BY THE UNDERSIGNED
THEREUNTO DULY AUTHORIZED.

Date:     August 14, 1998


                                         BY:  /S/  STEPHEN R. RIZZONE
                                         ----------------------------
                                         STEPHEN R. RIZZONE,
                                         Chairman of the Board, President
                                         and Chief Executive Officer



                                         BY:  /S/  THOMAS IWANSKI
                                         ------------------------
                                         THOMAS IWANSKI,
                                         Vice President of Finance,
                                         Secretary and
                                         Chief Financial Officer

                                       16
<PAGE>
 
                                 EXHIBIT INDEX

<TABLE> 
<CAPTION> 

     NUMBER                   TITLE
     ------                   -----
<S>          <C>  
     2.1     Agreement and Plan of Merger dated as of June 22, 1998, between
             Cabletron Systems, Inc., Tempest Acquisition, Inc. and the Company.

     10.01   Cabletron Systems, Inc., Agreement dated as of June 22, 1998
             between Cabletron Systems, Inc., NetVantage, Inc. and Stephen R.
             Rizzone.
             
     10.16   Amended and Restatement of Employment Agreement dated as of June
             22, 1998, between Stephen R. Rizzone and the Company.

     10.23   Management Incentive Compensation Plan, as Amended.

     27      Financial Data Schedule - Electronic Format Only
</TABLE> 

                                       17

<PAGE>
 
                                                                EXHIBIT 2.1
 
 
                          AGREEMENT AND PLAN OF MERGER
 
                                  BY AND AMONG
 
                                NETVANTAGE, INC.
 
                                      AND
 
                            CABLETRON SYSTEMS, INC.
 
                                      AND
 
                           TEMPEST ACQUISITION, INC.
 
                           DATED AS OF JUNE 22, 1998
 
<PAGE>
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
ARTICLE I--THE MERGER......................................................    1
    SECTION 1.1 The Merger.................................................    1
    SECTION 1.2 Effective Time.............................................    2
    SECTION 1.3 Effect of the Merger.......................................    2
    SECTION 1.4 Certificate of Incorporation, By-Laws......................    2
    SECTION 1.5 Directors and Officers.....................................    2
    SECTION 1.6 Effect on Capital Stock....................................    2
    SECTION 1.7 Exchange of Certificates...................................    4
    SECTION 1.8 Stock Transfer Books.......................................    5
    SECTION 1.9 No Further Ownership Rights in Company Common Stock........    5
    SECTION 1.10 Lost, Stolen or Destroyed Certificates....................    5
    SECTION 1.11 Tax and Accounting Consequences...........................    5
    SECTION 1.12 Taking of Necessary Action; Further Action................    6
    SECTION 1.13 Material Adverse Effect...................................    6
ARTICLE II--REPRESENTATIONS AND WARRANTIES OF THE COMPANY..................    7
    SECTION 2.1 Organization and Qualification.............................    7
    SECTION 2.2 Certificate of Incorporation and By-Laws...................    7
    SECTION 2.3 Capitalization.............................................    7
    SECTION 2.4 Authority Relative to this Agreement.......................    8
    SECTION 2.5 No Conflict; Required Filings and Consents.................    8
    SECTION 2.6 Compliance, Permits........................................    9
    SECTION 2.7 SEC Filings; Financial Statements..........................    9
    SECTION 2.8 Absence of Certain Changes or Events.......................   10
    SECTION 2.9 No Undisclosed Liabilities.................................   10
    SECTION 2.10 Absence of Litigation.....................................   10
    SECTION 2.11 Employee Benefit Plans, Employment Agreements.............   10
    SECTION 2.12 Labor Matters.............................................   11
    SECTION 2.13 Registration Statement, Joint Proxy Statement/Prospectus..   12
    SECTION 2.14 Restrictions on Business Activities.......................   12
    SECTION 2.15 Title to Property.........................................   12
    SECTION 2.16 Taxes.....................................................   12
    SECTION 2.17 Environmental Matters.....................................   13
    SECTION 2.18 Intellectual Property.....................................   14
    SECTION 2.19 Interested Party Transactions.............................   15
    SECTION 2.20 Insurance.................................................   15
    SECTION 2.21 Accounts Receivable; Inventory............................   15
    SECTION 2.22 Employees.................................................   15
    SECTION 2.23 Opinion of Financial Advisor..............................   16
    SECTION 2.24 Brokers...................................................   16
    SECTION 2.25 Change in Control Payments................................   16
    SECTION 2.26 Full Disclosure...........................................   16
    SECTION 2.27 Rights Agreement..........................................   16
ARTICLE III--REPRESENTATIONS AND WARRANTIES OF PARENT AND MERGER SUB.......   16
    SECTION 3.1 Organization and Qualification; Subsidiaries...............   16
    SECTION 3.2 Charter and By-Laws........................................   17
    SECTION 3.3 Capitalization.............................................   17
    SECTION 3.4 Authority Relative to this Agreement.......................   17
    SECTION 3.5 No Conflict, Required Filings and Consents.................   17
    SECTION 3.6 Compliance; Permits........................................   18
    SECTION 3.7 SEC Filings; Financial Statements..........................   18
</TABLE>
 
                                       i
<PAGE>
 
<TABLE>
<CAPTION>
                                                                           PAGE
                                                                           ----
<S>                                                                        <C>
    SECTION 3.8 Absence of Certain Changes or Events......................  19
    SECTION 3.9 No Undisclosed Liabilities................................  19
    SECTION 3.10 Absence of Litigation....................................  19
    SECTION 3.11 Employee Benefit Plans; Employment Agreements............  19
    SECTION 3.12 Labor Matters............................................  20
    SECTION 3.13 Registration Statement; Joint Proxy
     Statement/Prospectus.................................................  20
    SECTION 3.14 Restrictions on Business Activities......................  21
    SECTION 3.15 Title to Property........................................  21
    SECTION 3.16 Intellectual Property....................................  21
    SECTION 3.17 Interested Party Transactions............................  21
    SECTION 3.18 Insurance................................................  21
    SECTION 3.19 Brokers..................................................  21
    SECTION 3.20 Ownership of Merger Sub; No Prior Activities.............  21
    SECTION 3.21 Full Disclosure..........................................  22
ARTICLE IV--CONDUCT OF BUSINESS PENDING THE MERGER........................  22
    SECTION 4.1 Conduct of Business by the Company Pending the Merger.....  22
    SECTION 4.2 No Solicitation...........................................  23
    SECTION 4.3 Conduct of Business by Parent Pending the Merger..........  24
ARTICLE V--ADDITIONAL AGREEMENTS..........................................  25
    SECTION 5.1 HSR Act...................................................  25
    SECTION 5.2 Joint Proxy Statement/Prospectus; Registration Statement..  25
    SECTION 5.3 Stockholders Meeting......................................  25
    SECTION 5.4 Access to Information; Confidentiality....................  25
    SECTION 5.5 Consents; Approvals.......................................  25
    SECTION 5.6 Agreements with Respect to Affiliates.....................  26
    SECTION 5.7 Indemnification and Insurance.............................  26
    SECTION 5.8 Notification of Certain Matters...........................  26
    SECTION 5.9 Further Action............................................  27
    SECTION 5.10 Public Announcements.....................................  27
    SECTION 5.11 Conveyance Taxes.........................................  27
    SECTION 5.12 Accountants' Letters.....................................  27
    SECTION 5.13 Rights Agreement.........................................  27
    SECTION 5.14 NASDAQ Listing...........................................  27
    SECTION 5.15 Listing of Parent Shares.................................  27
    SECTION 5.16 Benefit Plans............................................  27
    SECTION 5.17 Company Securities.......................................  28
ARTICLE VI--CONDITIONS TO THE MERGER......................................  28
    SECTION 6.1 Conditions to Obligation of Each Party to Effect the
     Merger...............................................................  28
    SECTION 6.2 Additional Conditions to Obligations of Parent and Merger
     Sub..................................................................  29
    SECTION 6.3 Additional Conditions to Obligation of the Company........  29
ARTICLE VII--TERMINATION..................................................  30
    SECTION 7.1 Termination...............................................  30
    SECTION 7.2 Effect of Termination.....................................  32
    SECTION 7.3 Fees and Expenses.........................................  32
ARTICLE VIII--GENERAL PROVISIONS..........................................  32
    SECTION 8.1 Effectiveness of Representations, Warranties and
     Agreements; Knowledge, Etc. .........................................  32
    SECTION 8.2 Notices...................................................  33
    SECTION 8.3 Certain Definitions.......................................  33
</TABLE>
 
                                      ii
<PAGE>
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
    SECTION 8.4 Amendment..................................................  34
    SECTION 8.5 Waiver.....................................................  34
    SECTION 8.6 Headings...................................................  34
    SECTION 8.7 Severability...............................................  34
    SECTION 8.8 Entire Agreement...........................................  34
    SECTION 8.9 Assignment; Guarantee of Merger Sub........................  35
    SECTION 8.10 Parties in Interest.......................................  35
    SECTION 8.11 Failure or Indulgence Not Waiver; Remedies Cumulative.....  35
    SECTION 8.12 Governing Law.............................................  35
    SECTION 8.13 Counterparts..............................................  35
</TABLE>
 
                                      iii
<PAGE>
 
                         AGREEMENT AND PLAN OF MERGER
 
  AGREEMENT AND PLAN OF MERGER, dated as of June 22, 1998 (this "AGREEMENT"),
among Cabletron Systems, Inc., a Delaware corporation ("PARENT"), Tempest
Acquisition, Inc., a Delaware corporation and a wholly owned subsidiary of
Parent ("MERGER SUB"), and NetVantage, Inc., a Delaware corporation (the
"COMPANY").
 
                                  WITNESSETH:
 
  WHEREAS, the Boards of Directors of Parent, Merger Sub and the Company have
each determined that it is advisable and in the best interests of their
respective stockholders for Parent to enter into a business combination with
the Company upon the terms and subject to the conditions set forth herein;
 
  WHEREAS, in furtherance of such combination, the Boards of Directors of
Parent and Merger Sub have each approved the merger of Merger Sub with and
into the Company (the "MERGER") in accordance with the applicable provisions
of the Delaware General Corporation Law (the "DGCL") and the Board of
Directors of the Company has approved the Merger in accordance with the
applicable provisions of the DGCL, and upon the terms and subject to the
conditions set forth herein;
 
  WHEREAS, Parent, Merger Sub and the Company intend, by approving resolutions
authorizing this Agreement, to adopt this Agreement as a plan of
reorganization within the meaning of Section 368(A) of the Internal Revenue
Code of 1986, as amended (the "CODE"), and the regulations promulgated
thereunder;
 
  WHEREAS, for accounting purposes, it is intended that the Merger be
accounted for as a "purchase"; and
 
  WHEREAS, pursuant to the Merger, each outstanding share (a "SHARE") of the
Company's Class A common stock, $0.001 par value, together with the rights
("RIGHTS") attached to the Class A common stock issued pursuant to the Rights
Agreement dated as of February 13, 1998 between the Company and Continental
Stock Transfer & Trust Company, as Rights Agent (the "RIGHTS AGREEMENT") (the
"CLASS A COMMON STOCK"), Class B common stock, $0.001 par value (the "CLASS B
COMMON STOCK") and Class E common stock, $0.001 par value (the "CLASS E COMMON
STOCK" and together with the Class A Common Stock and Class B Common Stock,
the "COMPANY COMMON STOCK") shall be converted into the right to receive the
Merger Consideration (as defined in Section 1.6(a)), upon the terms and
subject to the conditions set forth herein;
 
  NOW, THEREFORE, in consideration of the foregoing and the mutual covenants
and agreements herein contained, and intending to be legally bound hereby,
Parent, Merger Sub and the Company hereby agree as follows:
 
                                   ARTICLE I
 
                                  THE MERGER
 
  SECTION 1.1 The Merger.
 
  (a) Effective Time. At the Effective Time (as defined in Section 1.2), and
subject to and upon the terms and conditions of this Agreement and the DGCL,
Merger Sub shall be merged with and into the Company, the separate corporate
existence of Merger Sub shall cease, and the Company shall continue as the
surviving corporation. The Company as the surviving corporation after the
Merger is hereinafter sometimes referred to as the "SURVIVING CORPORATION."
 
  (b) Closing. Unless this Agreement shall have been terminated and the
transactions herein contemplated shall have been abandoned pursuant to Section
7.1, the consummation of the Merger will take place as promptly as practicable
(and in any event within two business days) after satisfaction or waiver of
the conditions set forth in Article VI, at the offices of Ropes & Gray, One
International Place, Boston, Massachusetts, unless another date, time or place
is agreed to in writing by the parties hereto.
 
                                       1
<PAGE>
 
  SECTION I.2 Effective Time. As promptly as practicable after the
satisfaction or waiver of the conditions set forth in Article VI, the parties
hereto shall cause the Merger to be consummated by filing a certificate of
merger as contemplated by the DGCL (the "CERTIFICATE OF MERGER"), together
with any required related certificates, with the Secretary of State of the
State of Delaware, in such form as required by, and executed in accordance
with the relevant provisions of, the DGCL (the time of such filing being the
"EFFECTIVE TIME").
 
  SECTION 1.3 Effect of the Merger. At the Effective Time, the effect of the
Merger shall be as provided 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.
 
  SECTION 1.4 Certificate of Incorporation, By-Laws.
 
  (a) Certificate of Incorporation. Unless otherwise determined by Parent
prior to the Effective Time, at the Effective Time the Certificate of
Incorporation of Merger Sub, as in effect immediately prior to the Effective
Time, shall be the Certificate of Incorporation of the Surviving Corporation
until thereafter amended in accordance with the DGCL and such Certificate of
Incorporation.
 
  (b) By-Laws. Unless otherwise determined by Parent prior to the Effective
Time, the By-Laws of Merger Sub, as in effect immediately prior to the
Effective Time, shall be the By-Laws of the Surviving Corporation until
thereafter amended in accordance with the DGCL, the Certificate of
Incorporation of the Surviving Corporation and such By-Laws. Nothing in this
Section 1.4(b) shall impair the provisions of Section 5.7.
 
  SECTION 1.5 Directors and Officers. The directors of Merger Sub immediately
prior to the Effective Time shall be the initial directors of the Surviving
Corporation, each to hold office in accordance with the Certificate of
Incorporation and By-Laws of the Surviving Corporation, and the officers of
Merger Sub immediately prior to the Effective Time shall be the initial
officers of the Surviving Corporation, in each case until their respective
successors are duly elected or appointed and qualified.
 
  SECTION 1.6 Effect on Capital Stock. At the Effective Time, by virtue of the
Merger and without any action on the part of the Parent, Merger Sub, the
Company or the holders of any of the following securities:
 
  (a) Conversion of Securities. Each share of Class A Common Stock and Class B
Common Stock and each ten shares of Class E Common Stock issued and
outstanding immediately prior to the Effective Time, (excluding any Shares to
be canceled pursuant to Section 1.6(b)) shall be converted, subject to Section
1.6(c) and Section 1.6(h), into the right to receive 8/13 (the "EXCHANGE
RATIO") of a share of the Common Stock, $.01 par value, of Parent ("PARENT
COMMON STOCK") (the shares of Parent Common Stock to be issued pursuant to
this Section 1.6(a) are hereinafter referred to as the "PARENT SHARES" and the
right of each holder of Company Shares to receive such Parent Shares and cash
in respect of fractional Shares as provided in Section 1.6(h) being referred
to as the "MERGER CONSIDERATION").
 
  (b) Cancellation. Each Share held in the treasury of the Company and each
Share owned by Parent, Merger Sub or any direct or indirect wholly owned
subsidiary of the Company or Parent immediately prior to the Effective Time
shall, by virtue of the Merger and without any action on the part of the
holder thereof, cease to be outstanding, be canceled and retired without
payment of any consideration therefor and cease to exist.
 
  (c) Shares of Dissenting Holders. Notwithstanding anything to the contrary
contained in this Agreement, any holder of Company Common Stock with respect
to which dissenters' rights, if any, are granted by reason of the Merger under
the DGCL and who does not vote in favor of the Merger and who otherwise
complies with Section 262 of the DGCL ("COMPANY DISSENTING SHARES") shall not
be entitled to receive Parent Shares pursuant to Section 1.6(a) and cash in
lieu of fractional Shares pursuant to Section 1.6(h) hereof, and shall only be
entitled to receive for such Company Common Stock the payment provided for by
Section 262 of the DGCL, unless such holder fails to perfect, effectively
withdraws or loses his right to dissent from the Merger under the DGCL. If any
such holder so fails to perfect, effectively withdraws or loses his or her
dissenters' rights under
 
                                       2
<PAGE>
 
the DGCL, his or her Company Dissenting Shares shall thereupon be deemed to
have been converted, as of the Effective Time, into the right to receive the
number of Parent Shares determined in accordance with Section 1.6(a) and, if
applicable, cash in lieu of fractional shares as provided in Section 1.6(h).
 
  (d) Any payments relating to the Company Dissenting Shares shall be made
solely by the Surviving Corporation and no funds or other property have been
or will be provided by Merger Sub or any of Parent's other direct or indirect
subsidiaries for such payment.
 
  (e) Stock Options; Warrants.
 
    (i)At the Effective Time, each outstanding option to purchase Company
  Common Stock (a "STOCK OPTION") granted under the Company's 1997 Equity
  Incentive Plan, 1996 Incentive Stock Plan, 1994 Incentive and Nonstatutory
  Stock Option Plan, and 1992 Incentive and Nonstatutory Stock Option Plan
  (collectively, the "COMPANY STOCK OPTION PLANS"), whether vested or
  unvested, shall be, together with the Company Stock Option Plans, deemed
  assumed by Parent and deemed to constitute an option to acquire, on the
  same terms and conditions as were applicable under such Stock Option prior
  to the Effective Time, the number (rounded down to the nearest whole
  number) of Parent Shares as the holder of such Stock Option would have been
  entitled to receive pursuant to the Merger had such holder exercised such
  option in full immediately prior to the Effective Time (not taking into
  account whether or not such option was in fact exercisable), at a price per
  share equal to (x) the aggregate exercise price for Company Common Stock
  otherwise purchasable pursuant to such Stock Option divided by (y) the
  number of Parent Shares deemed purchasable pursuant to such Stock Option.
 
    (ii)As soon as practicable after the Effective Time, Parent shall deliver
  to each holder of an outstanding Stock Option an appropriate notice setting
  forth such holder's rights pursuant thereto, and such Stock Option shall
  continue in effect on the same terms and conditions.
 
    (iii)Parent shall take all corporate action necessary to reserve for
  issuance a sufficient number of Parent Shares for delivery pursuant to the
  terms set forth in this Section 1.6(e).
 
    (iv)Subject to any applicable limitations under the Securities Act of
  1933, as amended, and the rules and regulations thereunder (the "SECURITIES
  ACT"), Parent shall either (A) file a Registration Statement on Form S-8
  (or any successor form), effective as of the Effective Time, with respect
  to the shares of Parent Common Stock issuable upon exercise of the Stock
  Options, or (B) file any necessary amendments to the Company's previously-
  filed Registration Statements on Form S-8 in order that the Parent will be
  deemed a "successor registrant" thereunder, and, in either event the Parent
  shall use all reasonable efforts to maintain the effectiveness of such
  registration statement (and maintain the current status of the prospectus
  or prospectuses relating thereto) for so long as such options shall remain
  outstanding.
 
    (v)Parent will not assume the SVB Warrants (as defined in Section 2.3).
  Such nonassumption shall have the consequences described in Section 1.7.3
  of each of the SVB Warrants. Parent will assume the exercisable SR Warrants
  (as defined in Section 2.3) such that each exercisable SR Warrant shall be
  deemed to constitute a warrant to acquire, on the same terms and conditions
  as are applicable under such SR Warrant prior to the Effective Time, the
  number of Parent Shares (rounded down to the nearest whole number) that the
  holder would have been entitled to receive pursuant to the Merger had he
  exercised such warrant in full immediately prior to the Effective Time, at
  a price per share equal to (x) the aggregate exercise price for Company
  Common Stock purchasable pursuant to such warrant divided by (y) the number
  of Parent Shares deemed purchasable pursuant to such warrant. The non-
  exercisable SR Warrant dated April 22, 1997 for 15,000 shares of Class A
  Common Stock, shall be deemed assumed by Parent and deemed to constitute a
  warrant to acquire, on the same terms and conditions as were applicable
  under such SR Warrant prior to the Effective Time, a number of Parent
  Shares (rounded down to the nearest whole number) equal to 1,500 multiplied
  by the Exchange Ratio, at a price per share equal to (x) the aggregate
  exercise price for Company Common Stock otherwise purchasable pursuant to
  such SR Warrant divided by (y) ten multiplied by the number of Parent
  Shares deemed purchasable pursuant to such warrant.
 
    (vi)Parent has no obligation to assume and will not assume the Unit
  Purchase Options granted to D.H. Blair and its affiliates. Should any of
  the Unit Purchase Options be exercised prior to the Effective Time,
 
                                       3
<PAGE>
 
  any resulting warrant for shares of Company Common Stock shall be deemed
  assumed by Parent and deemed to constitute a warrant to acquire, on the
  same terms and conditions as are applicable under such warrant prior to the
  Effective Time, the number of Parent Shares (rounded down to the nearest
  whole number) that the holder of such warrant would have been entitled to
  receive pursuant to the Merger had such holder exercised such warrant in
  full immediately prior to the Effective Time, at a price per share equal to
  (x) the aggregate exercise price for Company Common Stock purchasable
  pursuant to such warrant divided by (y) the number of Parent Shares deemed
  purchasable pursuant to such warrant. "UNIT PURCHASE OPTIONS" means the
  outstanding Unit Purchase Options granted to D.H. Blair and its affiliates
  in connection with the Company's initial public offering to purchase a
  unit, comprising (i) one share of Class A Common Stock, (ii) one Class A
  Warrant, and (iii) one Class B Warrant, and which collectively grant the
  holders of the Unit Purchase Options the right to purchase an aggregate of
  up to 622,500 shares of Class A Common Stock.
 
  (f) Capital Stock of Merger Sub. Each share of common stock, $.01 par value,
of Merger Sub issued and outstanding immediately prior to the Effective Time
shall be converted into and exchanged for one validly issued, fully paid and
nonassessable share of common stock, $.01 par value, of the Surviving
Corporation.
 
  (g) Adjustments to Exchange Ratio. The Exchange Ratio shall be equitably
adjusted to reflect fully the effect of any reclassification, stock split,
reverse split, stock dividend (including any dividend or distribution of
securities convertible into Parent Common Stock), reorganization,
recapitalization or other like change with respect to Parent Common Stock
occurring after the date hereof and prior to the Effective Time.
 
  (h) Fractional Shares. No certificates or scrip representing less than one
Parent Share shall be issued upon the surrender for exchange of a certificate
or certificates which immediately prior to the Effective Time represented
outstanding Shares (the "CERTIFICATES"). All fractional shares of Parent
Common Stock that a holder of shares of Company Common Stock would otherwise
be entitled to receive as a result of the Merger shall be aggregated and if a
fractional share results from such aggregation, such holder shall be entitled
to receive, in lieu thereof, an amount in cash determined by multiplying the
closing sale price of the Parent Common Stock on the New York Stock Exchange
("NYSE") on the trading day immediately preceding the Effective Time by the
fraction of a share of Parent Common Stock to which such holder would
otherwise have been entitled.
 
  SECTION 1.7 Exchange of Certificates.
 
  (a) Exchange Agent. Parent shall supply, or shall cause to be supplied, to
or for the account of Boston Equiserve or such other bank or trust company as
shall be designated by Parent with the prior approval (not to be unreasonably
withheld) of the Company (the "EXCHANGE AGENT"), in trust for the benefit of
the holders of Company Common Stock, for exchange in accordance with this
Section 1.7, through the Exchange Agent, certificates evidencing the Parent
Shares issuable pursuant to Section 1.6 and any cash in lieu of fractional
shares payable pursuant to Section 1.6, in exchange for outstanding Shares.
 
  (b) Exchange Procedures. As soon as reasonably practicable after the
Effective Time, Parent will instruct the Exchange Agent to mail to each holder
of record of Certificates (i) a letter of transmittal (which shall specify
that delivery shall be effected, and risk of loss and title to the
Certificates shall pass, only upon proper delivery of the Certificates to the
Exchange Agent and shall be in such form and have such other provisions as
Parent may reasonably specify), and (ii) instructions to effect the surrender
of the Certificates in exchange for the certificates evidencing Parent Shares
and cash in lieu of fractional shares. Upon surrender of a Certificate for
cancellation to the Exchange Agent together with such letter of transmittal,
duly executed, and such other customary documents as may be required pursuant
to such instructions, the holder of such Certificate shall be entitled to
receive in exchange therefor (A) certificates evidencing that number of whole
Parent Shares which such holder has the right to receive in accordance with
the Exchange Ratio in respect of the Shares formerly evidenced by such
Certificate, (B) any dividends or other distributions to which such holder is
entitled pursuant to Section 1.7(c), and (C) cash in respect of fractional
shares as provided in Section 1.6(f), and the Certificate so surrendered shall
forthwith be canceled. In the event of a transfer of ownership of Shares which
is not registered in the transfer records of the Company as of the Effective
Time, the Merger Consideration and any dividends or
 
                                       4
<PAGE>
 
other distributions to which the holder is entitled pursuant to Section 1.7(c)
may be issued and paid in accordance with this Article I to a transferee if
the Certificate evidencing such Shares is presented to the Exchange Agent,
accompanied by all documents required to evidence and effect such transfer
pursuant to this Section 1.7(b) and by evidence that any applicable stock
transfer taxes have been paid. Until so surrendered, each outstanding
Certificate that, prior to the Effective Time, represented Shares of Company
Common Stock will be deemed from and after the Effective Time, for all
corporate purposes, subject to Sections 1.6(f) and 1.7(c), to evidence the
right to receive such Merger Consideration, as applicable. Parent Shares
issued in the Merger shall be issued as of and deemed to be outstanding as of
the Effective Time. Parent shall cause all such Parent Shares to be duly
authorized, validly issued, fully paid and non-assessable, and not subject to
any preemptive rights.
 
  (c) Distributions With Respect to Unexchanged Parent Shares. No dividends or
other distributions declared or made after the Effective Time with respect to
Parent Shares with a record date after the Effective Time shall be paid to the
holder of any unsurrendered Certificate with respect to the Parent Shares they
are entitled to receive until the holder of such Certificate shall surrender
such Certificate. Subject to applicable law, following surrender of any such
Certificate, there shall be paid to the record holder of the certificates
representing whole Parent Shares issued in exchange therefor, without
interest, (i) at the time of such surrender, the amount of dividends or other
distributions with a record date after the Effective Time theretofore paid
with respect to such whole Parent Shares and (ii) at the appropriate payment
date, the amount of dividends or other distributions with a record date after
the Effective Time and a payment date after such surrender.
 
  (d) No Liability. Neither Parent, Merger Sub nor the Company shall be liable
to any holder of Company Common Stock for any Merger Consideration delivered
to a public official pursuant to any applicable abandoned property, escheat or
similar law.
 
  (e) Withholding Rights. Parent or the Exchange Agent shall be entitled to
deduct and withhold from the Merger Consideration otherwise payable pursuant
to this Agreement to any holder of Company Common Stock such amounts as Parent
or the Exchange Agent is required to deduct and withhold with respect to the
making of such payment under the Code, or any provision of state, local or
foreign tax law. To the extent that amounts are so withheld by Parent or the
Exchange Agent, such withheld amounts shall be treated for all purposes of
this Agreement as having been paid to the holder of the Shares in respect of
which such deduction and withholding was made by Parent or the Exchange Agent.
 
  SECTION 1.8 Stock Transfer Books. At the Effective Time, the stock transfer
books of the Company shall be closed, and there shall be no further
registration of transfers of Company Common Stock thereafter on the records of
the Company.
 
  SECTION 1.9 No Further Ownership Rights in Company Common Stock. The Merger
Consideration delivered upon the surrender for exchange of Shares in
accordance with the terms hereof shall be deemed to have been issued in full
satisfaction of all rights pertaining to such Shares, and there shall be no
further registration of transfers on the records of the Surviving Corporation
of Shares which were outstanding immediately prior to the Effective Time. If,
after the Effective Time, Certificates are presented to the Surviving
Corporation for any reason, they shall be canceled and exchanged as provided
in this Article I.
 
  SECTION 1.10 Lost, Stolen or Destroyed Certificates. In the event any
Certificates shall have been lost, stolen or destroyed, the Exchange Agent
shall issue in exchange for such lost, stolen or destroyed Certificates, upon
the making of an affidavit of that fact by the holder thereof, such Merger
Consideration as may be required pursuant to Section 1.6; provided, however,
that Parent may, in its discretion and as a condition precedent thereof,
require the owner of such lost, stolen or destroyed Certificates to deliver a
bond in such sum as it may reasonably direct as indemnity against any claim
that may be made against Parent or the Exchange Agent with respect to the
Certificates alleged to have been lost, stolen or destroyed.
 
  SECTION 1.11 Tax and Accounting Consequences For federal income tax
purposes, it is intended by the parties hereto that the transaction effected
through the Merger shall constitute a reorganization within the meaning of
Section 368 of the Code. The parties hereto hereby adopt this Agreement as a
"plan of reorganization" within the meaning of Sections 1.368-2(g) and 1.368-
3(a) of the United States Treasury
 
                                       5
<PAGE>
 
Regulations. For accounting purposes, it is intended by the parties hereto
that the Merger shall be accounted for as a "purchase."
 
  SECTION 1.12 Taking of Necessary Action; Further Action. Each of Parent,
Merger Sub and the Company will take all such reasonable and lawful action as
may be necessary or appropriate in order to effectuate the Merger in
accordance with this Agreement as promptly as possible unless, in the case of
the Company, it receives a bona fide Acquisition Proposal (as hereinafter
defined) and in the good faith determination of the Company's Board of
Directors (consistent with the advice of the Company's outside legal counsel),
refraining from taking such action is required in the discharge of its
fiduciary duties under applicable law. If, at any time after the Effective
Time, any such further action is necessary or desirable to carry out the
purposes of this Agreement and to vest the Surviving Corporation with full
right, title and possession to all assets, property, rights, privileges,
powers and franchises of the Company and Merger Sub, the officers and
directors of the Company and Merger Sub immediately prior to the Effective
Time are fully authorized in the name of their respective corporations or
otherwise to take, and will take, all such lawful and necessary action.
 
  SECTION 1.13 Material Adverse Effect. When used in connection with the
Company, or Parent or any of its subsidiaries, as the case may be, the term
"MATERIAL ADVERSE EFFECT" means any change, effect or circumstance that,
individually or when taken together with all other such changes, effects or
circumstances that have occurred prior to the date of determination of the
occurrence of the Material Adverse Effect, (a) is or is reasonably likely to
be materially adverse to the business, assets (including intangible assets),
prospects, financial condition or results of operations of the Company or
Parent and its subsidiaries, as the case may be, in each case taken as a
whole, or (b) is or is reasonably likely to materially delay or prevent the
consummation of the transactions contemplated hereby; provided, however, that
the following shall not in and of itself constitute a Material Adverse Effect:
(i) any adverse change, event or effect that is directly attributable to
conditions affecting the United States economy generally or the computer
networking industry generally, unless such conditions adversely affect the
Company or Parent, as the case may be, in a materially disproportionate
manner; and, (ii) in the case of the Company, any adverse change, event or
effect resulting from the delay or deferral of orders from the Company's
current or prospective customers where such delay or deferral (x) is directly
attributable to the Merger, this Agreement, the Manufacturing Rights Agreement
entered into as of the date hereof, the OEM Agreement entered into as of the
date hereof, the performance of any of these Agreements or to the announcement
or pendency of the Merger and (y) occurs despite the Company's reasonable
commercial efforts as required in Section 4.1. The parties agree that the
Company's "Wolfpack" product is material to the business of the Company as it
is proposed to be conducted.
 
                                       6
<PAGE>
 
                                  ARTICLE II
 
                 REPRESENTATIONS AND WARRANTIES OF THE COMPANY
 
  The Company hereby represents and warrants to Parent and Merger Sub that,
except as set forth in the written disclosure schedule delivered on or prior
to the date hereof by the Company to Parent that is arranged in paragraphs
corresponding to the numbered and lettered paragraphs contained in this
Article II (the "COMPANY DISCLOSURE SCHEDULE"):
 
  SECTION 2.1 Organization and Qualification. The Company is a corporation
duly organized, validly existing and in good standing under the laws of the
jurisdiction of its incorporation and has the requisite corporate power and
authority and is in possession of all franchises, grants, authorizations,
licenses, permits, easements, consents, certificates, approvals and orders
("APPROVALS") necessary to own, lease and operate the properties it purports
to own, operate or lease and to carry on its business as it is now being
conducted, except where the failure to be so organized, existing and in good
standing or to have such power, authority and Approvals would not reasonably
be expected to have a Material Adverse Effect. Except as set forth in Section
2.1 of the Company Disclosure Schedule, the Company is duly qualified or
licensed as a foreign corporation to do business, and is in good standing, in
each jurisdiction where the character of its properties owned, leased or
operated by it or the nature of its activities makes such qualification or
licensing necessary, except for such failures to be so duly qualified or
licensed and in good standing that would not reasonably be expected to have a
Material Adverse Effect. The Company has no subsidiaries. Except as set forth
in Section 2.1 of the Company Disclosure Schedule, the Company does not
directly or indirectly own any equity or similar interest in, or any interest
convertible into or exchangeable or exercisable for, any equity or similar
interest in, any corporation, partnership, joint venture or other business
association or entity, with respect to which interest the Company has invested
or is required to invest $100,000 or more, excluding securities in any
publicly traded company held for investment by the Company and comprising less
than five percent of the outstanding stock of such company.
 
  SECTION 2.2  Certificate of Incorporation and By-Laws. The Company has
heretofore furnished to Parent a complete and correct copy of its Certificate
of Incorporation and By-Laws as amended and restated to date. Such Certificate
of Incorporation and By-Laws, as amended and restated, are in full force and
effect. The Company is not in material violation of any of the provisions of
its Certificate of Incorporation or By-Laws.
 
  SECTION 2.3 Capitalization.  The authorized capital stock of the Company
consists of (1) 17,000,000 shares of Class A Common Stock (and associated
Rights), (ii) 1,800,000 shares of Class B Common Stock, (iii) 1,200,000 shares
of Class E Common Stock and (iv) 5,000,000 shares of preferred stock, $0.01
par value per share, none of which is issued and outstanding and none of which
is held in treasury. As of May 13, 1998, (i) 10,162,603 shares of Class A
Common Stock, 241,310 shares of Class B Common Stock and 540,995 shares of
Class E Common Stock were issued and outstanding, all of which are validly
issued, fully paid and nonassessable, and no shares were held in treasury,
(ii) 2,125,000 shares of Class A Common Stock, 200,000 shares of Class B
Common Stock and 66,667 shares of Class E Common Stock were reserved for
future issuance pursuant to outstanding stock options granted under the
Company Stock Option Plans (iii) up to 622,500 shares of Class A Common Stock
were reserved for future issuance pursuant to outstanding Unit Purchase
Options, (iv) up to 60,000 shares of Class A Common Stock were reserved for
future issuance under warrants granted to Silicon Valley Bank (the "SVB
WARRANTS"), and (v) up to 52,875 shares of Class A Common Stock were reserved
for future issuance under the warrants granted to the Company's President (the
"SR WARRANTS"). Except as set forth in Section 2.3 of the Company Disclosure
Schedule, no material change in such capitalization has occurred between March
31, 1998 and the date hereof. Except as set forth in this Section 2.3 or in
Sections 2.3 or 2.11 of the Company Disclosure Schedule, there are no options,
warrants or other rights, agreements, arrangements or commitments of any
character to which the Company is a party relating to the issued or unissued
capital stock of the Company or obligating the Company to issue or sell any
shares of capital stock of, or other equity interests in, the Company. All
shares of Company Common Stock subject to issuance as aforesaid, upon issuance
on the terms and conditions specified in the instruments pursuant to which
they are issuable, shall be duly authorized, validly issued, fully paid and
nonassessable. Except as disclosed in Section 2.3 of the Company
 
                                       7
<PAGE>
 
Disclosure Schedule, there are no obligations, contingent or otherwise, of the
Company to repurchase, redeem or otherwise acquire any shares of Company
Common Stock or to provide funds to or make any investment (in the form of a
loan, capital contribution, guaranty or otherwise) in any other entity.
 
  SECTION 2.4 Authority Relative to this Agreement.  The Company has all
necessary corporate power and authority to execute and deliver this Agreement
and to perform its obligations hereunder and to consummate the transactions
contemplated hereby. The execution and delivery of this Agreement by the
Company and the consummation by the Company of the transactions contemplated
hereby have been duly and validly authorized by all necessary corporate
action, and no other corporate proceedings on the part of the Company are
necessary to authorize this Agreement or to consummate the transactions so
contemplated (other than the adoption of this Agreement and the Merger by the
holders of at least a majority of the outstanding voting power of Company
Common Stock entitled to vote in accordance with the DGCL and the Company's
Certificate of Incorporation and By-Laws). The Board of Directors of the
Company has determined that it is advisable and in the best interest of the
Company's stockholders for the Company to enter into a business combination
with Parent upon the terms and subject to the conditions of this Agreement,
and has unanimously recommended that the Company's stockholders approve and
adopt this Agreement and the Merger. This Agreement has been duly and validly
executed and delivered by the Company and, assuming the due authorization,
execution and delivery by Parent and Merger Sub, as applicable, constitutes a
legal, valid and binding obligation of the Company enforceable against the
Company in accordance with its terms.
 
  SECTION 2.5 No Conflict; Required Filings and Consents.
 
  (a) Section 2.5(a) of the Company Disclosure Schedule includes a list of (i)
all loan agreements, indentures, mortgages, pledges, conditional sale or title
retention agreements, security agreements, equipment obligations, guaranties,
standby letters of credit, equipment leases or lease purchase agreements to
which the Company is a party or by which it is bound; (ii) all contracts,
agreements, commitments or other understandings or arrangements to which the
Company is a party or by which it or any of its respective properties or
assets are bound or affected, but excluding contracts, agreements, commitments
or other understandings or arrangements entered into in the ordinary course of
business and involving, in each case, payments or receipts by the Company of
less than $100,000 in any single instance but not more than $300,000 in the
aggregate; and (iii) all agreements which, as of the date hereof, are required
to be filed as "material contracts" with the Securities Exchange Commission
("SEC") pursuant to the requirements of the Securities Exchange Act of 1934,
as amended, and the SEC's rules and regulations thereunder (the "EXCHANGE
ACT").
 
  (b) Except as disclosed in Section 2.5(b) of the Company Disclosure
Schedule, (i) the Company has not breached, is not in default under, and has
not received written notice of any breach of or default under, any of the
agreements, contracts or other instruments referred to in clauses (i), (ii) or
(iii) of Section 2.5(a), (ii) to the knowledge of the Company, no other party
to any of the agreements, contracts or other instruments referred to in
clauses (i), (ii) or (iii) of Section 2.5(a) has breached or is in default of
any of its obligations thereunder, and (iii) each of the agreements, contracts
and other instruments referred to in clauses (i), (ii) or (iii) of Section
2.5(a) is in full force and effect, except in any such case under clauses (i),
(ii) or (iii) of this Section 2.5(b) for breaches, defaults or failures that
have not had and would not reasonably be expected to have a Material Adverse
Effect.
 
  (c) Except as set forth in Section 2.5(c) of the Company Disclosure
Schedule, the execution and delivery of this Agreement by the Company does
not, and the performance of this Agreement by the Company and the consummation
of the transactions contemplated hereby will not, (i) conflict with or violate
the Certificate of Incorporation or By-Laws of the Company, (ii) conflict with
or violate any federal, foreign, state or provincial law, rule, regulation,
order, judgment or decree (collectively, "LAWS") applicable to the Company or
by which its properties are bound or affected, or (iii) result in any breach
of or constitute a default (or an event that with notice or lapse of time or
both would become a default under), or impair the Company's rights or alter
the rights or obligations of any third party under, or give to others any
rights of termination, amendment, acceleration, or cancellation of, or result
in the creation of any security interests, liens, claims, pledges, agreements,
limitations on the Company's voting rights, charges or other encumbrances of
any nature whatsoever (collectively,
 
                                       8
<PAGE>
 
"LIENS") on any of the properties or assets of the Company pursuant to, any
note, bond, mortgage, indenture, contract, agreement, lease, license, permit,
franchise or other instrument or obligation to which the Company is a party or
by which the Company or any of its properties is bound or affected, except in
any such case under clauses (i), (ii) or (iii) of this Section 2.5(c) for any
such conflicts, violations, breaches, defaults or other occurrences that would
not reasonably be expected to have a Material Adverse Effect.
 
  (d) The execution and delivery of this Agreement by the Company does not,
and the performance of this Agreement by the Company will not, require any
consent, approval, authorization or permit of, or filing with or notification
to, any federal, foreign, state or provincial governmental or regulatory
authority except (i) for applicable requirements, if any, of the Securities
Act, the Exchange Act, state securities laws ("BLUE SKY LAWS"), the pre-merger
notification requirements of the Hart-Scott-Rodino Antitrust Improvements Act
of 1976, as amended (the "HSR ACT"), any required foreign antitrust or similar
filings and the filing and recordation of appropriate merger or other
documents as required by the DGCL, and (ii) where the failure to obtain such
consents, approvals, authorizations or permits, or to make such filings or
notifications, would not prevent or materially delay consummation of the
Merger, or otherwise prevent or materially delay the Company from performing
its obligations under this Agreement, or would not otherwise have a Material
Adverse Effect. Neither the Certificate of Incorporation or Bylaws provide the
shareholders with, nor has the board of directors of the Company provided,
pursuant to resolution or otherwise, the shareholders with, a right to dissent
from the Merger in accordance with the provisions of Section 262(c) of the
DGCL.
 
  SECTION 2.6 Compliance, Permits.
 
  (a) Except as disclosed in Section 2.6(a) of the Company Disclosure
Schedule, the Company is not in conflict with, or in default or violation of,
(i) any Law applicable to the Company or by which any of its properties is
bound or affected or (ii) any note, bond, mortgage, indenture, contract,
agreement, lease, license, permit, franchise or other instrument or obligation
to which the Company is a party or by which the Company or any of its
properties is bound or affected, except for any such conflicts, defaults or
violations which would not reasonably be expected to have a Material Adverse
Effect.
 
  (b) Except as disclosed in Section 2.6(b) of the Company Disclosure
Schedule, the Company holds all permits, licenses, easements, variances,
exemptions, consents, certificates, orders and approvals from governmental
authorities which are material to the operation of the business of the Company
taken as a whole as it is now being conducted (collectively, the "COMPANY
PERMITS"). The Company is in compliance with the terms of the Company Permits,
except where the failure to so comply would not reasonably be expected to have
a Material Adverse Effect.
 
  SECTION 2.7 SEC Filings; Financial Statements.
 
  (a) The Company has filed all forms, reports and documents required to be
filed with the SEC and has made available to Parent (i) its Annual Reports on
Form 10-K for the fiscal years ended December 31, 1997 and 1996 and its Annual
Report on Form 10-KSB for the fiscal year ended December 31, 1995, (ii) its
Quarterly Reports on Form 10-Q for the periods ended September 30, 1996, March
31, 1997, June 30, 1997, September 30, 1997, and March 31, 1998 and (iii) its
Registration Statement on Form SB-2, No. 33-89266 as declared effective by the
SEC on May 3, 1995, (iv) all proxy statements relating to the Company's
meetings of stockholders (whether annual or special) since January 1, 1996,
(v) all other reports or registration statements filed by the Company with the
SEC, and (vi) all amendments and supplements to all such reports and
registration statements filed by the Company with the SEC (collectively, the
"COMPANY SEC REPORTS"). Except as disclosed in Section 2.7 of the Company
Disclosure Schedule, the Company SEC Reports (i) were prepared in all material
respects in accordance with the requirements of the Securities Act or the
Exchange Act, as the case may be, and (ii) did not at the time they were filed
(or if amended or superseded by a filing prior to the date of this Agreement,
then on the date of such filing) contain any untrue statement of a material
fact or omit to state a material fact required to be stated therein or
necessary in order to make the statements therein, in the light of the
circumstances under which they were made, not misleading.
 
                                       9
<PAGE>
 
  (b) Each of the financial statements (including, in each case, any related
notes thereto) contained in the Company SEC Reports (or if amended or
superseded by a filing, such later filing) was prepared in accordance with
generally accepted accounting principles applied on a consistent basis
throughout the periods involved (except as may be indicated in the notes
thereto), and each fairly presents in all material respects the financial
position of the Company as at the respective dates thereof and the results of
its operations and cash flows and stockholder equity for the periods
indicated, except that the unaudited interim financial statements were or are
subject to normal and recurring year-end adjustments which were not or are not
expected to be material in amount.
 
  SECTION 2.8 Absence of Certain Changes or Events. Except as set forth in
Section 2.8 of the Company Disclosure Schedule or the Company SEC Reports,
since January 1, 1998, the Company has conducted its business in the ordinary
course and there has not occurred: (a) any Material Adverse Effect; (b) any
amendments or changes in the Certificate of Incorporation or By-laws of the
Company; (c) any damage to, destruction or loss of any asset of the Company
(whether or not covered by insurance) that would reasonably be expected to
have a Material Adverse Effect; (d) any material change by the Company in its
accounting methods, principles or practices; (e) any material revaluation by
the Company of any of its assets, including, without limitation, writing down
the value of inventory or writing off notes or accounts receivable other than
in the ordinary course of business; (f) any other action or event that would
have required the consent of Parent pursuant to Section 4.1 had such action or
event occurred after the date of this Agreement; or (g) any sale of a material
amount of property or assets of the Company, except in the ordinary course of
business.
 
  SECTION 2.9 No Undisclosed Liabilities. Except as is disclosed in Section
2.9 of the Company Disclosure Schedule, the Company has no liabilities
(absolute, accrued, contingent or otherwise), except liabilities (a) in the
aggregate adequately provided for in the Company's audited balance sheet
(including any related notes thereto) for the fiscal year ended December 31,
1997 contained in the Company's Annual Report on Form 10-K (the "1997 COMPANY
BALANCE SHEET"), (b) incurred since December 31, 1997 in the ordinary course
of business consistent with past practice, (c) incurred in connection with
this Agreement, or (d) which would not reasonably be expected to have a
Material Adverse Effect.
 
  SECTION 2.10 Absence of Litigation. Except as set forth in Section 2.10 of
the Company Disclosure Schedule, there are no claims, actions, suits,
proceedings or investigations pending or, to the knowledge of the Company,
threatened against the Company, or any properties or rights of the Company,
before any federal, foreign, state or provincial court, arbitrator or
administrative, governmental or regulatory authority or body that would
reasonably be expected to have a Material Adverse Effect.
 
  SECTION 2.11 Employee Benefit Plans, Employment Agreements.
 
  (a) Section 2.11 (a) of the Company Disclosure Schedule lists all employee
pension plans (as defined in Section 3(2) of the Employee Retirement Income
Security Act of 1974, as amended ("ERISA")), all employee welfare plans (as
defined in Section 3(1) of ERISA), and all other material bonus, stock option,
stock purchase, incentive, deferred compensation, supplemental retirement,
severance and other similar fringe or employee benefit plans, programs or
arrangements, and any material employment, executive compensation, consulting
or severance agreements, written or otherwise, for the benefit of, or relating
to, any employee of or consultant to the Company, any trade or business
(whether or not incorporated) which is a member of a controlled group
including the Company or which is under common control with the Company (an
"ERISA AFFILIATE") within the meaning of Section 414 of the Code, as well as
each plan with respect to which the Company or an ERISA Affiliate could incur
liability under Section 4069 (if such plan has been or were terminated) or
Section 4212(c) of ERISA (all such plans, practices and programs are referred
to as the "COMPANY EMPLOYEE PLANS"). There have been made available to Parent
copies of (i) each such written Company Employee Plan (other than those
referred to in Section 4(b)(4) of ERISA), (ii) the most recent annual report
on Form 5500 series, with accompanying schedules and attachments, filed with
respect to each Company Employee Plan required to make such a filing, and
(iii) the most recent actuarial valuation for each Company Employee Plan
subject to Title IV of ERISA. For purposes of this Section 2.11 (a), the term
"material," used with respect to any Company
 
                                      10
<PAGE>
 
Employee Plan, shall mean that the Company or an ERISA Affiliate has incurred
or may incur obligations in an annual amount exceeding $150,000 with respect
to such Company Employee Plan.
 
  (b) (i) Except in each case as set forth in Section 2.11(b) of the Company
Disclosure Schedule, none of the Company Employee Plans promises or provides
retiree medical or other retiree welfare benefits to any person, and none of
the Company Employee Plans is a "multiemployer plan" as such term is defined
in Section 3(37) of ERISA; (ii) there has been no "prohibited transaction," as
such term is defined in Section 406 of ERISA and Section 4975 of the Code,
with respect to any Company Employee Plan, which could result in any material
liability of the Company; (iii) all Company Employee Plans are in compliance
in all material respects with the requirements prescribed by any and all Laws
(including ERISA and the Code), currently in effect with respect thereto
(including all applicable requirements for notification to participants or the
Department of Labor, Pension Benefit Guaranty Corporation (the "PBGC"),
Internal Revenue Service (the "IRS") or Secretary of the Treasury), and the
Company has performed all material obligations required to be performed by it
under, is not in any material respect in default under or violation of, and
has no knowledge of any default or violation by any other party to, any of the
Company Employee Plans; (iv) each Company Employee Plan intended to qualify
under Section 401(a) of the Code and each trust intended to qualify under
Section 501(a) of the Code is the subject of a favorable determination letter
from the IRS, and nothing has occurred which may reasonably be expected to
impair such determination; (v) all contributions required to be made to any
Company Employee Plan pursuant to Section 412 of the Code, or the terms of the
Company Employee Plan or any collective bargaining agreement, have been made
on or before their due dates; (vi) with respect to each Company Employee Plan,
no "reportable event" within the meaning of Section 4043 of ERISA (excluding
any such event for which the 30 day notice requirement has been waived under
the regulations to Section 4043 of ERISA) nor any event described in Section
4062, 4063 or 4041 of ERISA has occurred; and (vii) neither the Company nor
any ERISA Affiliate has incurred, nor reasonably expects to incur, any
liability under Title IV of ERISA (other than liability for premium payments
to the PBGC arising in the ordinary course).
 
  (c) Section 2.11(c) of the Company Disclosure Schedule sets forth a true and
complete list of each current or former employee, officer or director of the
Company who holds (i) any option to purchase Company Common Stock as of the
date hereof, together with the number of shares of Company Common Stock
subject to such option, the option price of such option (to the extent
determined as of the date hereof), whether such option is intended to qualify
as an incentive stock option within the meaning of Section 422(b) of the Code
(an "ISO"), and the expiration date of such option; (ii) any other right,
directly or indirectly, to acquire Company Common Stock, together with the
number of shares of Company Common Stock subject to such right. Section
2.11(c) of the Company Disclosure Schedule also sets forth the total number of
such ISOs, such nonqualified options and such other rights.
 
  (d) Section 2.11(d) of the Company Disclosure Schedule sets forth a true and
complete list of: (i) all employment agreements with officers of the Company;
(ii) all agreements with consultants who are individuals obligating the
Company to make annual cash payments in an amount exceeding $150,000; (iii)
all employees of, or consultants to, the Company who have executed a non-
competition agreement with the Company; (iv) all severance agreements,
programs and policies of the Company with or relating to its employees, in
each case with outstanding commitments exceeding $150,000, excluding programs
and policies required to be maintained by law; and (v) all plans, programs,
agreements and other arrangements of the Company with or relating to its
employees which contain change in control provisions.
 
  SECTION 2.12 Labor Matters. Except as set forth in Section 2.12 of the
Company Disclosure Schedule: (i) there are no controversies pending or, to the
knowledge of the Company, threatened, between the Company and its employees,
which controversies have or would reasonably be expected to have a Material
Adverse Effect; (ii) the Company is not a party to any collective bargaining
agreement or other labor union contract applicable to persons employed by the
Company, nor does the Company know of any activities or proceedings of any
labor union to organize any such employees; and (iii) the Company has no
knowledge of any strikes, slowdowns, work stoppages, lockouts, or threats
thereof, by or with respect to any employees of the Company which would
reasonably be expected to have a Material Adverse Effect.
 
                                      11
<PAGE>
 
  SECTION 2.13 Registration Statement, Joint Proxy Statement/Prospectus. Subject
to the accuracy of the representations of Parent in Section 3.13, the
information supplied by the Company for inclusion in the Registration Statement
(as defined in Section 3.13) shall not at the time the Registration Statement is
declared effective by the SEC contain any untrue statement of a material fact or
omit to state any material fact required to be stated therein or necessary in
order to make the statements therein, in the light of the circumstances under
which they were made, not misleading. The information supplied by the Company
for inclusion in the joint proxy statement/prospectus to be sent to the
stockholders of the Company in connection with the meeting of the stockholders
of the Company to consider the Merger (the "STOCKHOLDERS MEETING") (such joint
proxy statement/prospectus as amended or supplemented is referred to herein as
the "JOINT PROXY STATEMENT/PROSPECTUS"), will not, on the date the Joint Proxy
Statement/Prospectus (or any amendment thereof or supplement thereto) is first
mailed to stockholders, at the time of the Stockholders Meetings, or at the
Effective Time, contain any statement which, at such time and in light of the
circumstances under which it shall be made, is false or misleading with respect
to any material fact, or omit to state any material fact necessary in order to
make the statements made therein not false or misleading, or omit to state any
material fact necessary to correct any statement in any earlier communication
with respect to the solicitation of proxies for the Stockholders Meetings which
has become false or misleading. If at any time prior to the Effective Time any
event relating to the Company or any of its respective affiliates, officers or
directors should be discovered by the Company which should, under the applicable
requirements of the Securities Act or the Exchange Act, be set forth in an
amendment to the Registration Statement or a supplement to the Joint Proxy
Statement/Prospectus, the Company shall promptly inform Parent and Merger Sub.
The Joint Proxy Statement/Prospectus shall comply in all material respects as to
form with the requirements of the Securities Act, the Exchange Act and the rules
and regulations thereunder. Notwithstanding the foregoing, the Company makes no
representation or warranty with respect to any information supplied by Parent or
Merger Sub which is contained in any of the foregoing documents.

 SECTION 2.14 Restrictions on Business Activities. Except for this Agreement
or as set forth in Section 2.14 of the Company Disclosure Schedule, to the
Company's knowledge, there is no agreement, judgement, injunction, order or
decree binding upon the Company which has or would reasonably be expected to
have the effect of prohibiting or impairing any business practice of the
Company, any acquisition of property by the Company or the conduct of business
by the Company as currently conducted or as proposed to be conducted by the
Company, except for any prohibition or impairment as would not reasonably be
expected to have a Material Adverse Effect.
 
  SECTION 2.15 Title to Property. Except as set forth in Section 2.15 of the
Company Disclosure Schedule, the Company has good and defensible title to all
of its properties and assets, free and clear of all liens, charges and
encumbrances, except liens for taxes not yet due and payable and such liens or
other imperfections of title, if any, as do not materially detract from the
value of or interfere with the present use of the property affected thereby or
which would not reasonably be expected to have a Material Adverse Effect; and,
to the knowledge of the Company, all leases pursuant to which the Company
leases from others material amounts of real or personal property, are in good
standing, valid and effective in accordance with their respective terms, and
there is not, to the knowledge of the Company, under any of such leases, any
existing material default or event of default (or event which with notice or
lapse of time, or both, would constitute a material default), except where the
lack of such good standing, validity and effectiveness or the existence of
such default or event of default would not reasonably be expected to have a
Material Adverse Effect.
 
  SECTION 2.16 Taxes.
 
  (a) For purposes of this Agreement, "TAX" or "TAXES" shall mean taxes, fees,
levies, duties, tariffs, imposts, and governmental impositions or charges of
any kind in the nature of (or similar to) taxes, payable to any federal,
state, local or foreign taxing authority, whether disputed or not, including
(without limitation) (i) income, franchise, profits, gross receipts, ad
valorem, net worth, value added, sales, use, service, real or personal
property, special assessments, capital stock, license, payroll, withholding,
employment, social security (or similar), workers' compensation, unemployment
compensation, environmental (including taxes under Code
 
                                      12
<PAGE>
 
section 59A), utility, severance, production, excise, stamp, occupation,
premiums, windfall profits, transfer and gains taxes, and (ii) interest,
penalties, additional taxes and additions to tax imposed with respect thereto;
and "TAX RETURNS" shall mean returns, reports, declarations, forms, and
information statements with respect to Taxes required to be filed with the IRS
or any other federal, foreign, state or provincial taxing authority, domestic
or foreign, including, without limitation, consolidated, combined and unitary
tax returns, including any amendments thereto.
 
  (b) Other than as disclosed in Section 2.16(b) of the Company Disclosure
Schedule, (i) the Company has timely filed all United States federal income
Tax Returns and other material Tax Returns required to be filed by it and all
such Tax Returns are true, correct and complete in all material respects; (ii)
the Company has paid and discharged all Taxes due and has withheld and paid to
the appropriate authorities all Taxes required to be withheld with respect to
employees, except such as are being contested in good faith by appropriate
proceedings (to the extent that any such proceedings are required) which are
disclosed in Section 2.16(b) of the Company Disclosure Schedule, and with
respect to which the Company is maintaining adequate reserves; (iii) there are
no other Taxes that would be due if asserted by a taxing authority, except
with respect to which the Company is maintaining reserves to the extent
currently required unless the failure to do so would not reasonably be
expected to have a Material Adverse Effect; (iv) there are no Tax Liens on any
assets of the Company; (v) the Company has not granted any waiver of any
statute of limitations with respect to, or any extension of a period for the
assessment of, any Tax; (vi) the Company has not received any written notice
of any Tax deficiency outstanding, proposed or assessed against the Company,
or of any audit or other examination, proposed or currently in progress of any
Tax Return of the Company; (vii) no written claim has ever been made by an
authority in a jurisdiction where the Company does not file Tax Returns that
the Company is or may be subject to Tax by that jurisdiction; (viii) the
Company is not a party to or bound by any tax indemnity, tax sharing or tax
allocation agreements; (ix) the Company has not filed any consent agreement
under Section 341(f) of the Code or agreed to have Section 341(f)(2) of the
Code apply to any disposition of a subsection (f) asset (as defined in Section
341(f)(4) of the Code) owned by the Company; and (x) the Company has never
been a member of an affiliated group of corporations within the meaning of
Section 1504 of the Code and the Company is not liable for the Taxes of any
person under Treasury Regulation 1.1502-6 (or any similar provision of state,
local or foreign law), as a transferee or successor, by contract or otherwise.
The accruals and reserves for Taxes (including deferred taxes) reflected in
the 1997 Company Balance Sheet are in all material respects adequate to cover
all Taxes required to be accrued through the date thereof (including interest
and penalties, if any, thereon and Taxes being contested) in accordance with
generally accepted accounting principles. Schedule 2.16(b) of the Company
Disclosure Schedule lists the amount of any net operating loss carryforwards
and net capital loss carryforwards of the Company.
 
  (c) The Company does not own any property of a character, the indirect
transfer of which, pursuant to this Agreement, would give rise to any material
documentary, stamp or other transfer tax.
 
  SECTION 2.17 Environmental Matters. Except as set forth in Section 2.17 of
the Company Disclosure Schedule, and except in all cases as, in the aggregate,
have not had and would not reasonably be expected to have a Material Adverse
Effect, the Company: (i) has obtained all Approvals which are required to be
obtained under all applicable federal, state, foreign or local laws or any
regulation, code, plan, order, decree, judgment, notice or demand letter
issued, entered, promulgated or approved thereunder relating to pollution or
protection of the environment, including laws relating to emissions,
discharges, releases or threatened releases of pollutants, contaminants, or
hazardous or toxic materials or wastes into ambient air, surface water, ground
water, or land or otherwise relating to the manufacture, processing,
distribution, use, treatment, storage, disposal, transport, or handling of
pollutants, contaminants or hazardous or toxic materials or wastes by the
Company or its agents ("ENVIRONMENTAL LAWS"); (ii) is in compliance with all
terms and conditions of such required Approvals, and also is in compliance
with all other limitations, restrictions, conditions, standards, prohibitions,
requirements, obligations, schedules and timetables contained in applicable
Environmental Laws; (iii) as of the date hereof, is not aware of nor has
received notice of any past or present violations of Environmental Laws or any
event, condition, circumstance, activity, practice, incident, action or plan
which is reasonably likely to interfere with or prevent continued compliance
with or which would give rise to any common law or statutory liability, or
 
                                      13
<PAGE>
 
otherwise form the basis of any claim, action, suit or proceeding, against the
Company based on or resulting from the manufacture, processing, distribution,
use, treatment, storage, disposal, transport or handling, or the emission,
discharge or release into the environment, of any pollutant, contaminant or
hazardous or toxic material or waste; and (iv) has taken all actions necessary
under applicable Environmental Laws to register any products or materials
required to be registered by the Company (or any of its respective agents)
thereunder.
 
  SECTION 2.18 Intellectual Property. Except as set forth in Section 2.18 of
the Disclosure Schedule:
 
  (a) The Company, directly or indirectly, owns, or is licensed or otherwise
possesses legally enforceable rights to use, all patents, trademarks, trade
names, service marks, copyrights, and any applications therefor, maskworks,
net lists, schematics, technology, know-how, computer software programs or
applications (in both source code and object code form), and tangible or
intangible proprietary information or material (excluding Commercial Software
as defined in paragraph (e) below) that are material to the business of the
Company as currently conducted or as proposed to be conducted by the Company
(the "COMPANY INTELLECTUAL PROPERTY RIGHTS").
 
  (b) Section 2.18(b) of the Company Disclosure Schedule sets forth a complete
list of all patents, trademarks, registered copyrights, trade names and
service marks, and any applications therefor, included in the Company
Intellectual Property Rights, and specifies, where applicable, the
jurisdictions in which each such Company Intellectual Property Right has been
issued or registered or in which an application for such issuance and
registration has been filed, including the respective registration or
application numbers and the names of all registered owners.
 
  (c) Section 2.18(c) of the Company Disclosure Schedule sets forth a complete
list of all material licenses, sublicenses and other agreements as to which
the Company is a party and pursuant to which the Company or any other person
is authorized to use any Company Intellectual Property Right (excluding object
code end-user licenses granted to end-users in the ordinary course of business
that permit use of software products without a right to modify, distribute or
sublicense the same ("END-USER LICENSES") or other trade secret material to
the Company, and includes the identity of all parties thereto, a description
of the nature and subject matter thereof, the applicable royalty and the term
thereof. The Company is not in violation of any license, sublicense or
agreement described on such list except such violations as do not materially
impair the Company's rights under such license, sublicense or agreement. The
execution and delivery of this Agreement by the Company, and the consummation
of the transactions contemplated hereby, will neither cause the Company to be
in violation or default under any such license, sublicense or agreement, nor
entitle any other party to any such license, sublicense or agreement to
terminate or modify such license, sublicense or agreement.
 
  (d) The Company is the sole and exclusive owner or licensee of, with all
right, title and interest in and to (free and clear of any liens or
encumbrances), the Company Intellectual Property Rights, and has sole and
exclusive rights (and is not contractually obligated to pay any compensation
to any third party in respect thereof) to the use thereof or the material
covered thereby in connection with the services or products in respect of
which the Company Intellectual Property Rights are being used or are proposed
to be used, except for any adverse interests which do not materially impair
the Company's rights thereunder or materially impact the Company's ability to
produce the products. No claims have been asserted or, to the knowledge of the
Company, are threatened by any person nor are there any valid grounds, to the
knowledge of the Company, for any bona fide claims (i) to the effect that the
manufacture, sale, licensing or use of any of the products of the Company as
now manufactured, sold or licensed or used or proposed for manufacture, use,
sale or licensing by the Company infringes on any copyright, patent, trade
mark, service mark or trade secret, (ii) against the use by the Company of any
trademarks, service marks, trade names, trade secrets, copyrights, patents,
technology, know-how or computer software programs and applications used in
the business of the Company as currently conducted or as proposed to be
conducted, or (iii) challenging the ownership by the Company, validity or
effectiveness of any of the Company Intellectual Property Rights. All
registered trademarks, service marks and copyrights held by the Company are
valid and subsisting. To the knowledge of the Company, there is no
unauthorized use, infringement or misappropriation of any of the Company
Intellectual Property Rights by any third party, including any
 
                                      14
<PAGE>
 
employee or former employee of the Company. No Company Intellectual Property
Right or product of the Company is subject to any outstanding decree, order,
judgment, or stipulation restricting in any manner the licensing thereof by
the Company. The Company has not entered into any agreement under which the
Company is restricted from selling, licensing or otherwise distributing any of
its products to any class of customers, in any geographic area, during any
period of time or in any segment of the market. The Company has a policy
requiring each employee and consultant to execute a confidentiality agreement
substantially in the form previously delivered to Parent and each current
employee and consultant has executed such an agreement.
 
  (e) "COMMERCIAL SOFTWARE" means packaged commercially available software
programs generally available to the public through retail dealers in computer
software which have been licensed to the Company (or, in the case of Section
3.17, to Parent) pursuant to end-user licenses and which are used in the
Company's business (or in Parent's business in the case of Section 3.17) but
are in no way a component of or incorporated in or specifically required to
develop or support any of the Company's (or of Parent's in the case of Section
3.17) products and related trademarks, technology and know-how.
 
  SECTION 2.19 Interested Party Transactions. Except as set forth in the
Company SEC Reports or Section 2.21 of the Company Disclosure Schedule, since
December 31, 1997, no event has occurred that would be required to be reported
as a Certain Relationship or Related Transaction, pursuant to Item 404 of
Regulation S-K promulgated by the SEC.
 
  SECTION 2.20 Insurance. All material fire and casualty, general liability,
business interruption, product liability, professional liability and sprinkler
and water damage insurance policies maintained by the Company are in character
and amount at least equivalent to that carried by persons engaged in similar
businesses and subject to the same or similar perils or hazards, except as
would not reasonably be expected to have a Material Adverse Effect, and all
such policies are with reputable insurance carriers, provide adequate coverage
for all normal risks incident to the business of the Company and its
respective properties and assets.
 
  SECTION 2.21 Accounts Receivable; Inventory.
 
  (a) Except as set forth in Section 2.21 of the Company Disclosure Schedule,
the accounts receivable of the Company as reflected in the most recent
financial statements contained in the Company SEC Reports, to the extent
uncollected on the date hereof and the accounts receivable reflected on the
books of the Company are valid and existing and represent monies due, and the
Company has made reserves reasonably considered adequate for receivables not
collectible in the ordinary course of business, and (subject to the aforesaid
reserves) are subject to no refunds or other adjustments and to no defenses,
rights of setoff, assignments, restrictions, encumbrances or conditions
enforceable by third parties on or affecting any thereof, except for such
refunds, adjustments, defenses, rights of setoff, assignments, restrictions,
encumbrances or conditions as would not reasonably be expected to have a
Material Adverse Effect.
 
  (b) Except as set forth in Section 2.21 of the Company Disclosure Schedule,
the inventory of the Company consists of raw materials and supplies,
manufactured and purchased parts, goods in process, and finished goods, all of
which is merchantable and fit or suitable and usable for the production or
completion of merchantable products for sale in the ordinary course of
business, and none of which is slow-moving, obsolete, below standard quality,
damaged, or defective, subject only to the reserve for inventory writedown set
forth on the face of the 1997 Company Balance Sheet and as adjusted for the
passage of time through the Effective Date in accordance with GAAP and the
past custom and practice of the Company. The inventory, taken as a whole,
reflected in the 1997 Company Balance Sheet and books and records of the
Company is reflected on the basis of a complete physical count and is valued
at the lower of cost (on a first-in, first-out basis) or market in accordance
with GAAP, consistently applied. Since December 31, 1997, no inventory has
been sold or disposed of except through sales in the ordinary course of
business.
 
  SECTION 2.22 Employees. To the Company's knowledge, no executive, Key
Employee (as defined in Section 6.2(i)), or group of current employees intends
or has threatened to terminate employment with the Company or intends or has
threatened not to: (i) accept an offer of employment from Parent or (ii)
continue as an employee of Parent following the Effective Time.
 
 
                                      15
<PAGE>
 
  SECTION 2.23 Opinion of Financial Advisor. The Company has been advised by
its financial advisor, BancAmerica Robertson Stephens ("ROBERTSON STEPHENS"),
that in its opinion, as of the date hereof, the Merger Consideration set forth
herein is fair to the holders of each class of Company Common Stock.
 
  SECTION 2.24 Brokers. Except as set forth in Section 2.24 of the Company
Disclosure Schedule, no broker, finder or investment banker (other than
Robertson Stephens, the fees and expenses of whom will be paid by the Company)
is entitled to any brokerage, finder's or other fee or commission in
connection with the transactions contemplated by this Agreement based upon
arrangements made by or on behalf of the Company or its subsidiaries or
affiliates. The Company has heretofore furnished to Parent a complete and
correct copy of all agreements between the Company and Robertson Stephens,
pursuant to which Robertson Stephens would be entitled to any payment relating
to the transactions contemplated hereunder.
 
  SECTION 2.25 Change in Control Payments. Except as set forth on Section
2.11(d) or Section 2.25 of the Company Disclosure Schedule, the Company does
not have any plans, programs or agreements to which it is a party, or to which
it is subject, pursuant to which payments may be required or acceleration of
benefits may be required upon a change of control of the Company.
 
  SECTION 2.26 Full Disclosure. No representation or warranty made by the
Company contained in this Agreement and no statement contained in any
certificate or schedule furnished or to be furnished by the Company to Parent
or Merger Sub in, or pursuant to the provisions of, this Agreement, including
without limitation the Company Disclosure Schedule, contains or shall contain
any untrue statement of a material fact or omits or will omit to state any
material fact necessary, in the light of the circumstances under which it was
made, in order to make statements herein or therein not misleading.
 
  SECTION 2.27 Rights Agreement. The Rights Agreement and the Rights are
inapplicable to the execution, delivery and performance of this Agreement,
including the Merger and the other transactions contemplated hereby. Pursuant
to this end, the Company has taken all necessary action to (i) amend the
Rights Agreement to render the Rights inapplicable to the Merger and the other
transactions contemplated by this Agreement and (ii) ensure that (x) neither
Parent nor any of its affiliates is an Acquiring Person (as defined in the
Rights Agreement) and (y) a Shares Acquisition Date, a Distribution Date or a
Triggering Event (as such terms are defined in the Rights Agreement) does not
occur by reason of the announcement or consummation of the Merger or any of
the other transactions contemplated by this Agreement.
 
                                  ARTICLE III
 
            REPRESENTATIONS AND WARRANTIES OF PARENT AND MERGER SUB
 
  Parent and Merger Sub hereby, jointly and severally, represent and warrant
to the Company that, except as set forth in the written disclosure schedule
delivered on or prior to the date hereof by Parent to the Company that is
arranged in paragraphs corresponding to the numbered and lettered paragraphs
contained in this Article III (the "PARENT DISCLOSURE SCHEDULE"):
 
  SECTION 3.1 Organization and Qualification; Subsidiaries. Each of Parent and
its subsidiaries is a corporation duly organized, validly existing and in good
standing under the laws of the jurisdiction of its incorporation and has the
requisite corporate power and authority and is in possession of all Approvals
necessary to own, lease and operate the properties it purports to own, operate
or lease and to carry on its business as it is now being conducted, except
where the failure to be so organized, existing and in good standing or to have
such power, authority and Approvals would not reasonably be expected to have a
Material Adverse Effect. Each of Parent and each of its subsidiaries is duly
qualified or licensed as a foreign corporation to do business, and is in good
standing, in each jurisdiction where the character of its properties owned,
leased or operated by it or the nature of its activities makes such
qualification or licensing necessary, except for such failures to be so duly
qualified or licensed and in good standing that would not reasonably be
expected to have a Material Adverse Effect.
 
                                      16
<PAGE>
 
  SECTION 3.2 Charter and By-Laws. Parent has heretofore furnished to the
Company a complete and correct copy of its Certificate of Incorporation and
By-Laws, amended to date. Such Certificate of Incorporation and By-Laws are in
full force and effect. Neither Parent nor Merger Sub is in violation of any of
the provisions of its Certificate of Incorporation or By-Laws.
 
  SECTION 3.3 Capitalization.  As of February 28, 1998, the authorized capital
stock of Parent consisted of (i) 240,000,000 shares of Parent Common Stock of
which 158,266,994 shares were issued and outstanding, all of which are validly
issued, fully paid and non-assessable, no shares were held in treasury, and
4,892,744 shares were reserved for future issuance under Parent's equity
incentive plan, directors option plan and employee stock purchase plan, (ii)
options to purchase an aggregate of 1,301,001 shares of Parent Common Stock
and (iii) 2,000,000 shares of preferred stock, $1.00 par value per share, none
of which was issued and outstanding and none of which was held in treasury. No
material change in such capitalization has occurred between February 28, 1998
and the date hereof. Except as set forth in this Section or in Section 3.3 of
the Parent Disclosure Schedule, as of the date hereof there are no options,
warrants or other rights, agreements, arrangements or commitments of any
character relating to the issued or unissued capital stock of Parent or any of
its subsidiaries or obligating Parent or any of its subsidiaries to issue or
sell any shares of capital stock of, or other equity interests in, Parent or
any of its subsidiaries. Except as set forth in Section 3.3 or Section 3.11 of
the Parent Disclosure Schedule as of the date hereof, there are no
obligations, contingent or otherwise, of Parent or any of its subsidiaries to
repurchase, redeem or otherwise acquire any shares of Parent Common Stock or
the capital stock of any subsidiary or to provide funds to or make any
investment (in the form of a loan, capital contribution or otherwise) in any
such subsidiary. Except as set forth in Section 3.1 or 3.3 of the Parent
Disclosure Schedule, all of the outstanding shares of capital stock of each of
Parent's subsidiaries is duly authorized, validly issued, fully paid and
nonassessable and all such shares are owned by Parent or another subsidiary of
Parent free and clear of all security interests, liens, claims, pledges,
agreements, limitations in Parent's voting rights, charges or other
encumbrances of any nature whatsoever.
 
  SECTION 3.4 Authority Relative to this Agreement. Each of Parent and Merger
Sub has all necessary corporate power and authority to execute and deliver
this Agreement and to perform its obligations hereunder and to consummate the
transactions contemplated hereby. The execution and delivery of this Agreement
by Parent and Merger Sub and the consummation by Parent and Merger Sub of the
transactions contemplated hereby have been duly and validly authorized by all
necessary corporate action on the part of Parent and Merger Sub, and no other
corporate proceedings on the part of Parent or Merger Sub are necessary to
authorize this Agreement or to consummate the transactions contemplated
thereby. This Agreement has been duly and validly executed and delivered by
Parent and Merger Sub and, assuming the due authorization, execution and
delivery by the Company, constitutes a legal, valid and binding obligation of
Parent and Merger Sub enforceable against each of them in accordance with its
terms.
 
  SECTION 3.5 No Conflict, Required Filings and Consents.
 
  (a) Except as disclosed in Section 3.5(a) of the Parent Disclosure Schedule
(i) neither Parent nor any of its subsidiaries has breached, or is in default
under or has received written notice of any breach of or default under, any
loan agreements, indentures, mortgages, pledges, conditional sale or title
retention agreements, security agreements, equipment obligations, guaranties,
standby letters of credit, equipment leases or lease purchase agreements to
which Parent or any of its subsidiaries is a party or by which any of them is
bound, each in an amount equal to or exceeding $1,000,000, but excluding any
such agreement between Parent and its wholly-owned subsidiaries or between two
or more wholly-owned subsidiaries of Parent or any agreements which, as of the
date hereof, are required to be filed with the SEC pursuant to the
requirements of the Exchange Act as "material contracts" (collectively, the
"MATERIAL AGREEMENTS"), (ii) neither the Parent nor any of its subsidiaries
has breached or is in default under or has received written notice of any
breach of or default under, any of its obligations under the Material
Agreements, and (iii) each of the Material Agreements is in full force and
effect, except in any such case under clause (i), (ii) or (iii) of this
Section 3.5(a) for breaches, defaults or failures to be in full force and
effect that would not reasonably be expected to have a Material Adverse
Effect.
 
                                      17
<PAGE>
 
  (b) Except as set forth in Section 3.5(b) of the Parent Disclosure Schedule,
the execution and delivery of this Agreement by Parent and Merger Sub do not,
and the performance of this Agreement by Parent and Merger Sub will not, (i)
conflict with or violate the Certificate of Incorporation or By-Laws of Parent
or Merger Sub, (ii) conflict with or violate any Law applicable to Parent or
any of its subsidiaries or by which its or their respective properties are
bound or affected, or (iii) result in any breach of or constitute a default
(or an event which with notice or lapse of time or both would become a
default) under, or impair Parent's or any of its subsidiaries' rights or alter
the rights or obligations of any third party under, or give to others any
rights of termination, amendment, acceleration or cancellation of, or result
in the creation of a lien or encumbrance on any of the properties or assets of
Parent or any of its subsidiaries pursuant to, any note, bond, mortgage,
indenture, contract, agreement, lease, license, permit, franchise or other
instrument or obligation to which Parent or any of its subsidiaries is a party
or by which Parent or any of its subsidiaries or its or any of their
respective properties are bound or affected, except in any such case for any
such conflicts, violations, breaches, defaults or other occurrences that would
not reasonably be expected to have a Material Adverse Effect.
 
  (c) The execution and delivery of this Agreement by Parent and Merger Sub
does not, and the performance of this Agreement by Parent and Merger Sub will
not, require any consent, approval, authorization or permit of, or filing with
or notification to, any governmental or regulatory authority, domestic or
foreign, except (i) for applicable requirements, if any, of the Securities
Act, the Exchange Act, the Blue Sky Laws, the pre-merger notification
requirements of the HSR Act or any foreign antitrust or similar filings, and
the filing and recordation of appropriate merger or other documents as
required by the DGCL, and (ii) where the failure to obtain such consents,
approvals, authorizations or permits, or to make such filings or
notifications, would not prevent or delay consummation of the Merger, or
otherwise prevent Parent or Merger Sub from performing their respective
obligations under this Agreement, and would not have a Material Adverse
Effect.
 
  SECTION 3.6 Compliance; Permits.
 
  (a) Except as disclosed in Section 3.6 of the Parent Disclosure Schedule,
neither Parent nor any of its subsidiaries is in conflict with, or in default
or violation of, (i) any Law applicable to Parent or any of its subsidiaries
or by which its or any of their respective properties is bound or affected or
(ii) any note, bond, mortgage, indenture, contract, agreement, lease, license,
permit, franchise or other instrument or obligation to which Parent or any of
its subsidiaries is a party or by which Parent or any of its subsidiaries or
its or any of their respective properties is bound or affected, except for any
such conflicts, defaults or violations which would not reasonably be expected
to have a Material Adverse Effect.
 
  (b) Except as disclosed in Section 3.6 of the Parent Disclosure Schedule,
Parent and its subsidiaries hold all permits, licenses, easements, variances,
exemptions, consents, certificates, orders and approvals from governmental
authorities which are material to the operation of the business of the Parent
and its subsidiaries taken as a whole as it is now being conducted
(collectively, the "PARENT PERMITS"). Parent and its subsidiaries are in
compliance with the terms of the Parent Permits, except where the failure to
so comply would not reasonably be expected to have a Material Adverse Effect.
 
  SECTION 3.7 SEC Filings; Financial Statements.
 
  (a) Parent has filed all forms, reports and documents required to be filed
with the SEC and has heretofore delivered to the Company, in the form filed
with the SEC, (i) its Annual Reports on Form 10-K for the fiscal years ended
February 28, 1998 and February 28, 1997, (ii) reports on Form 10-Q for the
quarterly periods ended November 30, 1997, August 31, 1997 and May 31, 1997,
(iii) all proxy statements relating to Parent's meetings of stockholders
(whether annual or special) since January 1, 1997, (iv) all other reports or
registration statements filed by Parent with SEC since January 1, 1997, and
(v) all amendments and supplements to all such reports and registration
statements filed by Parent with the SEC (collectively, the "PARENT SEC
REPORTS"). The Parent SEC Reports (i) were prepared in all material respects
in accordance with the requirements of the Securities Act or the Exchange Act,
as the case may be, and (ii) did not at the time they were filed (or if
amended or superseded by a filing prior to the date of this Agreement, then on
the date of such filing) contain any untrue statement of a
 
                                      18
<PAGE>
 
material fact or omit to state a material fact required to be stated therein
or necessary in order to make the statements therein, in the light of the
circumstances under which they were made, not misleading. None of Parent's
subsidiaries is required to file any forms, reports or other documents with
the SEC.
 
  (b) Each of the consolidated financial statements (including, in each case,
any related notes thereto) contained in the Parent SEC Reports has been
prepared in accordance with generally accepted accounting principles applied
on a consistent basis throughout the periods involved (except as may be
indicated in the notes thereto) and each fairly presents in all material
respects the consolidated financial position of Parent and its subsidiaries as
at the respective dates thereof and the consolidated results of its operations
and cash flows for the periods indicated, except that the unaudited interim
financial statements were or are subject to normal and recurring year-end
adjustments which were not or are not expected to be material in amount.
 
  SECTION 3.8 Absence of Certain Changes or Events. Except as set forth in
Section 3.8 of the Parent Disclosure Schedule or in the Parent SEC Reports,
since November 30, 1997, Parent has conducted its business in the ordinary
course and there has not occurred: (i) any Material Adverse Effect; (ii) any
amendments or changes in the Certificate of Incorporation or By-Laws of
Parent; (iii) any damage to, destruction or loss of any assets of the Parent
(whether or not covered by insurance) that would reasonably be expected to
have a Material Adverse Effect; (iv) any material change by Parent in its
accounting methods, principles or practices; (v) any material revaluation by
Parent of any of its assets, including without limitation, writing down the
value of inventory or writing off notes or accounts receivable other than in
the ordinary course of business; (vi) any other action or event that would
have required the consent of the Company pursuant to Section 4.3 had such
action or event occurred after the date of this Agreement; or (vii) any sale
of a material amount of assets of Parent or any of its subsidiaries except in
the ordinary course of business.
 
  SECTION 3.9 No Undisclosed Liabilities. Except as is disclosed in Section
3.9 of the Parent Disclosure Schedule or in the Parent SEC Reports, neither
Parent nor any of its subsidiaries has any liabilities (absolute, accrued,
contingent or otherwise), except liabilities (i) adequately provided for in
Parent's balance sheet (including any related notes thereto) as of February
28, 1997 included in the Parent's 1997 Annual Report on Form 10-K (the "PARENT
BALANCE SHEET"), (ii) incurred in the ordinary course of business and not
required under generally accepted accounting principles to be reflected on the
Parent Balance Sheet, (iii) incurred since February 28, 1997 in the ordinary
course of business and consistent with past practice, (iv) incurred in
connection with this Agreement, or (v) which would not reasonably be expected
to have a Material Adverse Effect.
 
  SECTION 3.10 Absence of Litigation. Except as set forth in Section 3.10 of
the Parent Disclosure Schedule, there are no claims, actions, suits,
proceedings or investigations pending or, to the knowledge of the Parent,
threatened against the Parent or any of its subsidiaries, or any properties or
rights of the Parent or any of its subsidiaries, before any court, arbitrator
or administrative, governmental or regulatory authority or body, domestic or
foreign, that would reasonably be expected to have a Material Adverse Effect.
 
  SECTION 3.11 Employee Benefit Plans; Employment Agreements. Except as set
forth in Section 3.11 of the Parent Disclosure Schedule, none of the employee
pension plans (as defined in Section 3(2) of ERISA), employee welfare plans,
(as defined in Section 3(1) of ERISA) and other bonus, stock option, stock
purchase, incentive, deferred compensation, supplemental retirement, severance
and other similar fringe or employee benefit plans, programs or arrangements,
or any employment, executive compensation or severance agreements, written or
otherwise, for the benefit of, or relating to, any employee of or consultant
to Parent, any trade or business (whether or not incorporated) which is a
member of a controlled group including Parent or which is under common control
with Parent (a "PARENT ERISA AFFILIATE") within the meaning of Section 414 of
the Code, or any subsidiary of Parent, as well as each plan with respect to
which Parent or a Parent ERISA Affiliate could incur liability under Section
4069 (if such plan has been or were terminated) or Section 4212(c) of ERISA
(all such plans, practices, and programs are referred to herein as the "PARENT
EMPLOYEE PLANS") promises or provides retiree welfare benefits to any person,
and none of the Parent Employee Plans is a "multiemployer plan" as such term
is defined in Section 3(37) of ERISA; (ii) there has been no "prohibited
transaction," as such term is defined in Section 406 of ERISA and Section 4975
of the Code, with respect to any Parent Employee
 
                                      19
<PAGE>
 
Plan, which could result in any material liability of Parent or any of its
subsidiaries; (iii) all Parent Employee Plans are in compliance in all
material respects with the requirements prescribed by any and all statutes
(including ERISA and the Code), orders, or governmental rules and regulations
currently in effect with respect thereto (including all applicable
requirements for notification to participants or the Department of Labor, IRS,
PBGC or Secretary of the Treasury), and Parent and each of its subsidiaries
have performed all material obligations required to be performed by them
under, are not in any material respect in default under or violation of, and
have no knowledge of any default or violation by any other party to, any of
the Parent Employee Plans; (iv) each Parent Employee Plan intended to qualify
under Section 401(a) of the Code and each trust intended to qualify under
Section 501(a) of the Code is the subject of a favorable determination letter
from the IRS, and nothing has occurred which may reasonably be expected to
impair such determination; (v) all contributions required to be made to any
Parent Employee Plan pursuant to Section 412 of the Code, or the terms of the
Parent Employee Plan or any collective bargaining agreement, have been made on
or before their due dates; (vi) with respect to each Parent Employee Plan, no
"reportable event" within the meaning of Section 4043 of ERISA (excluding any
such event for which the 30 day notice requirement has been waived under the
regulations to Section 4043 of ERISA) nor any event described in Section 4062,
4063 or 4041 of ERISA has occurred; and (vii) neither Parent nor any Parent
ERISA Affiliate has incurred, nor reasonably expects to incur, any liability
under Title IV of ERISA (other than liability for premium payments to the PBGC
arising in the ordinary course).
 
  SECTION 3.12 Labor Matters. Except as set forth in Section 3.12 of the
Parent Disclosure Schedule: (i) there are no controversies pending or, to the
knowledge of Parent or any of its subsidiaries, threatened, between Parent or
any of its subsidiaries and any of their respective employees, which
controversies have or could reasonably be expected to have a Material Adverse
Effect; (ii) neither Parent nor any of its subsidiaries is a party to any
collective bargaining agreement or other labor union contract applicable to
persons employed by Parent or its subsidiaries, nor does Parent or any of its
subsidiaries know of any activities or proceedings of any labor union to
organize any such employees; and (iii) neither Parent nor any of its
subsidiaries has any knowledge of any strikes, slowdowns, work stoppages,
lockouts, or threats thereof, by or with respect to any employees of Parent or
any of its subsidiaries which would reasonably be expected to have a Material
Adverse Effect.
 
  SECTION 3.13 Registration Statement; Joint Proxy Statement/Prospectus. Subject
to the accuracy of the representations of the Company in Section 2.13, the
registration statement (the "REGISTRATION STATEMENT") pursuant to which the
Parent Common Stock to be issued in the Merger will be registered with the SEC
shall not, at the time the Registration Statement (including any amendments or
supplements thereto) is declared effective by the SEC, contain any untrue
statement of a material fact or omit to state any material fact necessary in
order to make the statements included therein, in light of the circumstances
under which they were made, not misleading. The information supplied by Parent
for inclusion in the Joint Proxy Statement/Prospectus will not, on the date the
Joint Proxy Statement/Prospectus is first mailed to stockholders of the Company,
at the time of the Stockholders Meeting and at the Effective Time, contain any
statement which, at such time and in light of the circumstances under which it
shall be made, is false or misleading with respect to any material fact, or will
omit to state any material fact necessary in order to make the statements
therein not false or misleading; or omit to state any material fact necessary to
correct any statement in any earlier communication with respect to the
solicitation of proxies for the Stockholders Meeting which has become false or
misleading. If at any time prior to the Effective Time any event relating to
Parent, Merger Sub or any of their respective affiliates, officers or directors
should be discovered by Parent or Merger Sub which should, under the applicable
requirements of the Securities Act or the Exchange Act be set forth in an
amendment to the Registration Statement or a supplement to the Joint Proxy
Statement/Prospectus, Parent or Merger Sub will promptly inform the Company.
Notwithstanding the foregoing, Parent and Merger Sub make no representation or
warranty with respect to any information supplied by the Company which is
contained in any of the foregoing documents. The Registration Statement and
Joint Proxy Statement/Prospectus shall comply in all material respects as to
form with the requirements of the Securities Act, the Exchange Act and the rules
and regulations thereunder. Notwithstanding the foregoing, Parent makes no
representation or warranty with respect to any information supplied by the
Company which is contained in, or furnished in connection with the preparation
of, the Registration Statement.
 
                                      20
<PAGE>
 
  SECTION 3.14 Restrictions on Business Activities. Except for this Agreement
or as set forth in Section 3.14 of the Parent Disclosure Schedule, to Parent's
knowledge, there is no agreement, judgment, injunction, order or decree
binding upon Parent or any of its subsidiaries which has or would reasonably
be expected to have the effect of prohibiting or materially impairing any
business practice of Parent or any of its subsidiaries, any acquisition of
property by Parent or any of its subsidiaries or the conduct of business by
Parent or any of its subsidiaries as currently conducted or as proposed to be
conducted by Parent, except for any prohibition or impairment as would not
reasonably be expected to have a Material Adverse Effect.
 
  SECTION 3.15 Title to Property. Except as disclosed in Section 3.15 of the
Parent Disclosure Schedule, Parent and each of its subsidiaries have good and
defensible title to all of their properties and assets, free and clear of all
liens, charges and encumbrances, except liens for taxes not yet due and
payable and such liens or other imperfections of title, if any, as do not
materially detract from the value of or interfere with the present use of the
property affected thereby or which could not reasonably be expected to have a
Material Adverse Effect; and, to Parent's knowledge, all leases pursuant to
which Parent or any of its subsidiaries lease from others material amounts of
real or personal property are in good standing, valid and effective in
accordance with their respective terms, and there is not, to the knowledge of
Parent, under any of such leases, any existing material default or event of
default (or event which with notice or lapse of time, or both, would
constitute a material default) except where the lack of such good standing,
validity and effectiveness, or the existence of such default or event of
default would not reasonably be expected to have a Material Adverse Effect.
 
  SECTION 3.16 Intellectual Property. Except as disclosed in Section 3.16 of
the Parent Disclosure Schedule, the Parent and its subsidiaries own, are
licensed to use or otherwise possess, or can acquire on reasonable terms,
legally enforceable rights to use the patents, patent rights, inventions,
licenses, copyrights, know-how (including trade secrets and other
unpatented/unpatentable proprietary or confidential information, systems or
procedures), trademarks, servicemarks and tradenames presently employed by
them in connection with the business of the Parent as presently conducted, and
neither the Parent nor any of its subsidiaries has knowledge of any
infringement of or conflict with asserted rights of others with respect to any
of the foregoing, which, singly or in the aggregate, if the subject of an
unfavorable decision, ruling or finding, would have a Material Adverse Effect.
 
  SECTION 3.17 Interested Party Transactions. Except as set forth in the
Parent SEC Reports or Section 3.17 of the Parent Disclosure Schedule, since
the date of Parent's proxy statement dated June 5, 1998 no event has occurred
that would be required to be reported as a Certain Relationship or Related
Transaction, pursuant to Item 404 of Regulation S-K promulgated by the SEC.
 
  SECTION 3.18 Insurance. All material fire and casualty, general liability,
business interruption, product liability, professional liability and sprinkler
and water damage insurance policies maintained by Parent or any of its
subsidiaries are with reputable insurance carriers, provide full and adequate
coverage for all normal risks incident to the business of Parent and its
subsidiaries and their respective properties and assets and are in character
and amount at least equivalent to that carried by entities engaged in similar
businesses and subject to the same or similar perils or hazards, except as
would not reasonably be expected to have a Material Adverse Effect.
 
  SECTION 3.19 Brokers. No broker, finder or investment banker (other than
Chase Securities, Inc., the fees and expenses of which will be paid by Parent)
is entitled to any brokerage, finder's or other fee or commission in
connection with the transactions contemplated by this Agreement based upon
arrangements made by or on behalf of Parent or Merger Sub.
 
  SECTION 3.20 Ownership of Merger Sub; No Prior Activities.
 
  (a) Merger Sub was formed solely for the purpose of engaging in the
transactions contemplated by this Agreement.
 
                                      21
<PAGE>
 
  (b) As of the date hereof and the Effective Time, except for obligations or
liabilities incurred in connection with its incorporation or organization and
the transactions contemplated by this Agreement and except for this Agreement
and any other agreements or arrangements contemplated by this Agreement,
Merger Sub has not and will not have incurred, directly or indirectly, through
any subsidiary or affiliate, any obligations or liabilities or engaged in any
business activities of any type or kind whatsoever or entered into any
agreements or arrangements with any person.
 
  SECTION 3.21 Full Disclosure. No representation or warranty made by Parent
contained in this Agreement and no statement contained in any certificate or
schedule furnished or to be furnished by Parent to the Company in, or pursuant
to the provisions of, this Agreement, including without limitation the Parent
Disclosure Schedule, contains or shall contain any untrue statement of a
material fact or omits or will omit to state any material fact necessary, in
the light of the circumstances under which it was made, in order to make
statements herein or therein not misleading.
 
                                  ARTICLE IV
 
                    CONDUCT OF BUSINESS PENDING THE MERGER
 
  SECTION 4.1 Conduct of Business by the Company Pending the Merger. The
Company covenants and agrees that, during the period from the date of this
Agreement and continuing until the earlier of the termination of this
Agreement or the Effective Time, unless Parent shall otherwise agree in
writing, the Company shall conduct its business only in, and shall not take
any action except in, the ordinary course of business and in a manner
consistent with past practice, other than actions taken by the Company as
contemplated by this Agreement; and the Company shall use all reasonable
commercial efforts to preserve substantially intact the business organization
of the Company, to keep available the services of the present officers,
employees and consultants of the Company and to preserve the present
relationships of the Company with customers, suppliers and other persons with
which the Company has significant business relations. By way of amplification
and not limitation, except as contemplated by this Agreement, the Company
shall not, during the period from the date of this Agreement and continuing
until the earlier of the termination of this Agreement or the Effective Time,
directly or indirectly do, or propose to do, any of the following without the
prior written consent of Parent:
 
  (a) amend or otherwise change the Certificate of Incorporation or By-Laws of
the Company as amended and restated to date;
 
  (b) issue, sell, pledge, dispose of or encumber, or authorize the issuance,
sale, pledge, disposition or encumbrance of, any shares of capital stock of
any class, or any options, warrants, convertible securities or other rights of
any kind to acquire any shares of capital stock, or any other ownership
interest (including, without limitation, any phantom interest) in the Company
or any of its affiliates (except for the issuance of shares of Company Common
Stock issuable pursuant to Stock Options which are outstanding on the date
hereof, the Unit Purchase Options, the SR Warrants and the SVB Warrants).
 
  (c) sell, pledge, dispose of or encumber any assets of the Company (except
for (i) sales of assets in the ordinary course of business and in a manner
consistent with past practice, (ii) dispositions of obsolete or worthless
assets, and (iii) sales of immaterial assets not in excess of $150,000 in the
aggregate);
 
  (d) (i) declare, set aside, make or pay any dividend or other distribution
(whether in cash, stock or property or any combination thereof) in respect of
any of its capital stock, (ii) split, combine or reclassify any of its capital
stock or issue or authorize or propose the issuance of any other securities in
respect of, in lieu of or in substitution for shares of its capital stock, or
(iii) amend the terms or change the period of exercisability of, purchase,
repurchase, redeem or otherwise acquire any of its securities, including,
without limitation, shares of Company Common Stock or any option, warrant or
right, directly or indirectly, to acquire shares of Company Common Stock, or
propose to do any of the foregoing;
 
                                      22
<PAGE>
 
  (e) (i) acquire (by merger, consolidation, or acquisition of stock or
assets) any corporation, partnership or other business organization or
division thereof (including the creation of any subsidiary); (ii) incur any
indebtedness for borrowed money or issue any debt securities or assume,
guarantee or endorse or otherwise as an accommodation become responsible for,
the obligations of any person or, except in the ordinary course of business
consistent with past practice, make any loans or advances; (iii) enter into or
amend any material contract or agreement excluding any original equipment
manufacturing agreement that (x) allows the Company to limit shipments to
Products having a price of less than $500,000 per year and (y) is terminable
for convenience by the Company on no more than ninety days notice; (iv)
authorize any capital expenditures or purchase of fixed assets which are, in
the aggregate, in excess of $250,000 per month for the Company taken as a
whole; or (v) enter into or amend any contract, agreement, commitment or
arrangement to effect any of the matters prohibited by this Section 4.1(e);
 
  (f) increase the compensation payable or to become payable to its officers
or employees, or grant any severance or termination pay to, or enter into any
employment or severance agreement with any director, officer or other employee
of the Company, or establish, adopt, enter into or amend any collective
bargaining, bonus, profit sharing, thrift, compensation, stock option,
restricted stock, pension, retirement, deferred compensation, employment,
termination, severance or other plan, agreement, trust, fund, policy or
arrangement for the benefit of any current or former directors, officers or
employees, except, in each case, as may be required by law;
 
  (g) take any action to change accounting policies or procedures (including,
without limitation, procedures with respect to revenue recognition, payments
of accounts payable and collection of accounts receivable);
 
  (h) make any material tax election inconsistent with past practice or settle
or compromise any material federal, state, local or foreign tax liability or
agree to an extension of a statute of limitations;
 
  (i) pay, discharge or satisfy any claims, liabilities or obligations
(absolute, accrued, asserted or unasserted, contingent or otherwise), other
than the payment, discharge or satisfaction in the ordinary course of business
and consistent with past practice of liabilities reflected or reserved against
in the financial statements contained in the Company SEC Reports filed prior
to the date of this Agreement or incurred in the ordinary course of business
and consistent with past practice;
 
  (j) have operating expenses in excess of $600,000 from the date of the
execution of this Agreement through June 30, 1998, $1,200,000 per month
thereafter, subject to an aggregate maximum of $6,600,000 between the date of
the execution of this Agreement and the Effective Time, excluding (i) costs
related to the transactions contemplated by this Agreement, (ii) incentive and
bonus compensation as previously disclosed to Parent, (iii) depreciation, (iv)
amortization, and (v) bad debt reserves, provided that Parent acknowledges
that valid business reasons may exist for doing so and agrees that its consent
will not be unreasonably withheld; or
 
  (k) take, or agree in writing or otherwise to take, any of the actions
described in Sections 4.1 (a) through (j) above, or any action which would
make any of the representations or warranties of the Company contained in this
Agreement untrue or incorrect or prevent the Company from performing or cause
the Company not to perform its covenants hereunder.
 
  SECTION 4.2 No Solicitation.
 
  (a) The Company shall not, directly or indirectly, through any officer,
director, employee, representative or agent of the Company, (i) solicit,
initiate or encourage the initiation of any inquiries or proposals regarding
any merger, sale of substantial assets, sale of shares of capital stock
(including without limitation by way of a tender offer) or similar
transactions involving the Company other than the Merger (any of the foregoing
inquiries or proposals being referred to herein as an "ACQUISITION PROPOSAL"),
(ii) engage in negotiations or discussions concerning, or provide any
nonpublic information to any person relating to, any Acquisition Proposal or
(iii) agree to, approve or recommend any Acquisition Proposal. Nothing
contained in this Section 4.2(a) shall prevent the Board of Directors of the
Company from considering, negotiating, approving and recommending to the
stockholders of the Company a bona fide Acquisition Proposal not solicited in
violation of this Agreement,
 
                                      23
<PAGE>
 
provided the Board of Directors of the Company determines in good faith
(consistent with the advice of the Company's outside legal counsel) that it is
required to do so in order to discharge properly its fiduciary duties under
applicable law.
 
  (b) The Company shall promptly notify Parent as soon as practicable, and in
no event later than 48 hours, after receipt of any Acquisition Proposal, or
any modification of or amendment to any Acquisition Proposal, or any request
for nonpublic information relating to the Company in connection with an
Acquisition Proposal or for access to the properties, books or records of the
Company by any person or entity that informs the Board of Directors of the
Company that it is considering making, or has made, an Acquisition Proposal.
Such notice to Parent shall be made orally and in writing, and shall indicate
whether the Company is providing or intends to provide the person making the
Acquisition Proposal with access to information concerning the Company as
provided in Section 4.2(c).
 
  (c) If the Board of Directors of the Company receives a request for material
nonpublic information from a person who makes a bona fide Acquisition
Proposal, and the Board of Directors determines in good faith and consistent
with the advice of the Company's outside legal counsel that it is required to
cause the Company to act as provided in this Section 4.2(c) in order to
discharge properly the directors' fiduciary duties under applicable law, then,
provided the person making the Acquisition Proposal has executed a
confidentiality agreement substantially similar to the one then in effect
between the Company and Parent, the Company may provide such person with
access to information regarding the Company.
 
  (d) The Company shall immediately cease and cause to be terminated any
existing discussions or negotiations with any persons (other than Parent and
Merger Sub) conducted heretofore with respect to any of the foregoing. The
Company agrees not to release any third party from the confidentiality
provisions of any confidentiality agreement to which the Company is a party.
 
  (e) The Company shall ensure that the officers, directors and employees of
the Company and any investment banker or other advisor or representative
retained by the Company are aware of the restrictions described in this
Section 4.2.
 
  (f) Nothing contained in this Section 4.2 shall prohibit the Company or its
Board of Directors from (i) taking and disclosing to its stockholders a
position with respect to a tender offer by a third party pursuant to Rule 14d-
9 and Rule 14e-2 promulgated under the Exchange Act, or (ii) making such
disclosure to the Company's stockholders which, in the opinion of the
Company's Board of Directors, after consultation with the Company's outside
legal counsel, is required under applicable law.
 
  SECTION 4.3 Conduct of Business by Parent Pending the Merger. During the
period from the date of this Agreement and continuing until the earlier of the
termination of this Agreement or the Effective Time, Parent covenants and
agrees that, unless the Company shall otherwise agree in writing, Parent shall
conduct its business, and cause the businesses of its subsidiaries to be
conducted, in the ordinary course, other than actions taken by Parent or its
subsidiaries in contemplation of the Merger, and shall not directly or
indirectly do, or propose to do, any of the following without the prior
written consent of the Company:
 
  (a) amend or otherwise change Parent's Certificate of Incorporation or By-
Laws;
 
  (b) declare, set aside, make or pay any dividend or other distribution
(whether in cash, stock or property or any combination thereof) in respect of
any of its capital stock, except that a wholly owned subsidiary of Parent may
declare and pay a dividend to its parent; or
 
  (c) take or agree in writing or otherwise to take any action which would
make any of the representations or warranties of Parent contained in this
Agreement untrue or incorrect or prevent Parent from performing or cause
Parent not to perform its covenants hereunder.
 
 
                                      24
<PAGE>
 
                                   ARTICLE V
 
                             ADDITIONAL AGREEMENTS
 
  SECTION 5.1 HSR Act. As promptly as practicable after the date of the
execution of this Agreement, the Company and Parent shall file notifications
under and in accordance with the HSR Act and any applicable antitrust or
similar acts in connection with the Merger and the transactions contemplated
hereby and to respond as promptly as practicable to any inquiries received
from the Federal Trade Commission (the "FTC"), the Antitrust Division of the
Department of Justice (the "ANTITRUST DIVISION"), and any applicable foreign
agencies or authorities for additional information or documentation and to
respond as promptly as practicable to all inquiries and requests received from
any State Attorney General or other governmental authority in connection with
antitrust matters.
 
  SECTION 5.2 Joint Proxy Statement/Prospectus; Registration Statement. As
promptly as practicable after the execution of this Agreement, the Company and
Parent shall prepare and file with the SEC preliminary proxy materials (which
shall be refiled in final form as the Joint Proxy Statement/Prospectus and the
Registration Statement of the Parent with respect to the Parent Common Stock
to be issued in connection with the Merger) and shall use all reasonable
efforts to cause the Registration Statement to become effective as soon as
practicable, and to mail the Joint Proxy Statement/Prospectus to Company
shareholders, as soon thereafter as practicable. The Joint Proxy
Statement/Prospectus shall include the recommendation of the Boards of
Directors of the Company and Parent in favor of the Merger, subject to the
last sentence of Section 5.3.
 
  SECTION 5.3 Stockholders Meeting. The Company shall call and hold the
Stockholders Meeting as promptly as practicable and in accordance with
applicable laws for the purpose of voting upon the approval of the Merger and
as soon as practicable after the date on which the Registration Statement
becomes effective. Unless otherwise required under the applicable fiduciary
duties of the directors of the Company, as determined by such directors in
good faith after consultation with and consistent with the advice of the
Company's outside legal counsel, the Company shall use all reasonable efforts
to solicit from its stockholders proxies in favor of adoption of this
Agreement and approval of the transactions contemplated hereby and shall take
all other action reasonably necessary or advisable to secure the vote or
consent of stockholders to obtain such approvals.
 
  SECTION 5.4 Access to Information; Confidentiality. Upon reasonable notice
and subject to restrictions contained in confidentiality agreements to which
such party is subject (from which such party shall use reasonable efforts to
be released), the Company and Parent shall each (and shall cause each of their
subsidiaries to) afford to the officers, employees, accountants, counsel and
other representatives of the other, reasonable access, during the period to
the Effective Time, to all its properties, books, contracts, commitments and
records and, during such period, the Company and Parent each shall (and Parent
shall cause its subsidiaries to) furnish promptly to the other all information
concerning its business, properties and personnel as such other party may
reasonably request, and each shall make available to the other the appropriate
individuals (including attorneys, accountants and other professionals) for
discussion of the other's business, properties and personnel as either Parent
or the Company may reasonably request. Each party shall keep such information
confidential in accordance with the terms of the respective confidentiality
letters, each dated December 18, 1998 (the "CONFIDENTIALITY LETTERS") between
Parent and the Company, and the supplemental letter agreement between Parent
and Company dated March 23, 1998.
 
  SECTION 5.5 Consents; Approvals. The Company and Parent shall each use their
reasonable commercial efforts to obtain all consents, waivers, approvals,
authorizations or orders (including, without limitation, all United States and
foreign governmental and regulatory rulings and approvals), and the Company
and Parent shall make all filings (including, without limitation, all filings
with United States and foreign governmental or regulatory agencies) required
in connection with the authorization, execution and delivery of this Agreement
by the Company and Parent and the consummation by them of the transactions
contemplated hereby, in each case as promptly as practicable. The Company and
Parent shall furnish promptly all information required to be included in the
Joint Proxy Statement/Prospectus and the Registration Statement, or for any
 
                                      25
<PAGE>
 
application or other filing to be made pursuant to the rules and regulations
of any United States or foreign governmental body in connection with the
transactions contemplated by this Agreement.
 
  SECTION 5.6 Agreements with Respect to Affiliates. The Company shall deliver
to Parent, prior to the date the Registration Statement becomes effective
under the Securities Act, a letter (the "Affiliate Letter") identifying all
persons who are at the time of the Company Stockholders Meeting, "affiliates"
of the Company for purposes of Rule 145 under the Securities Act ("RULE 145").
The Company shall use its best efforts to cause each person who is identified
as an "affiliate" to deliver to Parent, prior to the Effective Time, a written
agreement (an "AFFILIATE AGREEMENT") in connection with restrictions on
affiliates under Rule 145, in substantially the form of Exhibit 5.6.
 
  SECTION 5.7 Indemnification and Insurance.
 
  (a) The By-Laws of the Surviving Corporation shall honor, and Parent shall
cause the Surviving Corporation to honor, the provisions with respect to
indemnification set forth in the By-Laws of the Company immediately prior to
the Effective Time, which provisions shall not be amended, repealed or
otherwise modified for a period of six years from the Effective Time in any
manner that would adversely affect the rights thereunder of individuals who at
the Effective Time were directors, officers, employees or agents of the
Company, unless such modification is required by law.
 
  (b) Without limiting the scope of Section 5.7(a), the Company shall, to the
fullest extent permitted under applicable law or under the Company's
Certificate of Incorporation or By-Laws or any applicable indemnification
agreement and regardless of whether the Merger becomes effective, indemnify,
defend and hold harmless, and, after the Effective Time, Parent shall and
shall cause the Surviving Corporation to, to the fullest extent permitted
under applicable law or under the Surviving Corporation's Certificate of
Incorporation or By-Laws or any applicable indemnification agreement,
indemnify, defend and hold harmless, each present and former director, officer
or employee of the Company (collectively, the "INDEMNIFIED PARTIES") against
any costs or expenses (including attorneys' fees), judgments, fines, losses,
claims, damages, liabilities and amounts paid in settlement in connection with
any claim, action, suit, proceeding or investigation, whether civil, criminal,
administrative or investigative, (x) arising out of or pertaining to the
transactions contemplated by this Agreement or (y) otherwise with respect to
any acts or omissions occurring at or prior to the Effective Time; provided,
however, that in connection with criminal acts the indemnification provided by
this Section 5.7 shall only apply provided the Indemnified Party had no
reasonable cause to believe that his/her conduct was criminal.
 
  (c) Parent shall and shall cause the Surviving Corporation to honor and
fulfill in all respects the obligations of the Company pursuant to
indemnification agreements with the Company's directors and officers existing
at or before the Effective Time.
 
  (d) For a period of six years after the Effective Time, Parent shall or
shall cause the Surviving Corporation to maintain in effect, if available,
directors' and officers' liability insurance covering those persons who are
currently covered by the Company's directors' and officers' liability
insurance policy (a copy of which has been made available to Parent) on terms
comparable to those now applicable to directors and officers of the Company;
provided, however, that in no event shall Parent or the Surviving Corporation
be required to expend in excess of 125% of the annual premium currently paid
by the Company for such coverage; and provided further, that if the premium
for such coverage exceeds such amount, Parent or the Surviving Corporation
shall purchase a policy with the greatest coverage available for such 125% of
the annual premium.
 
  (e) This Section shall survive the consummation of the Merger at the
Effective Time, is intended to benefit the Company, the Surviving Corporation
and the Indemnified Parties, shall be binding on all successors and assigns of
Parent and the Surviving Corporation and shall be enforceable by the
Indemnified Parties.
 
  SECTION 5.8 Notification of Certain Matters. The Company shall give prompt
notice to Parent, and Parent shall give prompt notice to the Company, of (i)
the occurrence or nonoccurrence of any event the occurrence or nonoccurrence
of which would be likely to cause any representation or warranty contained in
this Agreement to become materially untrue or inaccurate, or (ii) any failure
of the Company, Parent or Merger Sub,
 
                                      26
<PAGE>
 
as the case may be, materially to comply with or satisfy any covenant,
condition or agreement to be complied with or satisfied by it hereunder;
provided, however, that the delivery of any notice pursuant to this Section
shall not limit or otherwise affect the remedies available hereunder to the
party receiving such notice; and provided further that failure to give such
notice shall not be treated as a breach of covenant for the purposes of
Sections 6.2(b) or 6.3(b) unless the failure to give such notice results in
material prejudice to the other party.
 
  SECTION 5.9 Further Action. Upon the terms and subject to the conditions
hereof each of the parties hereto shall use all reasonable efforts to take, or
cause to be taken, all actions and to do, or cause to be done, all other
things necessary, proper or advisable to consummate and make effective as
promptly as practicable the transactions contemplated by this Agreement, to
obtain in a timely manner all necessary waivers, consents and approvals and to
effect all necessary registrations and filings, and otherwise to satisfy or
cause to be satisfied all conditions precedent to its obligations under this
Agreement. The foregoing covenant shall not include any obligation by Parent
to agree to divest, abandon, license or take similar action with respect to
any assets (tangible or intangible) of Parent or the Company.
 
  SECTION 5.10 Public Announcements. Parent and the Company shall consult with
each other before issuing any press release with respect to the Merger or this
Agreement and shall not issue any such press release or make any such public
statement without the prior consent of the other party, which shall not be
unreasonably withheld; provided, however, that a party may, without the prior
consent of the other party, issue such press release or make such public
statement as may upon the advice of counsel be required by law or the rules
and regulations of the New York Stock Exchange or the Nasdaq Stock Market
National Market ("NASDAQ"), in which case it shall use all reasonable efforts
to consult with the other party prior thereto.
 
  SECTION 5.11 Conveyance Taxes. Parent and the Company shall cooperate in the
preparation, execution and filing of all returns, questionnaires,
applications, or other documents regarding any real property transfer or
gains, sales, use, transfer, value added, stock transfer and stamp taxes, any
transfer, recording, registration and other fees, and any similar taxes which
become payable in connection with the transactions contemplated hereby that
are required or permitted to be filed at or before the Effective Time.
 
  SECTION 5.12 Accountants' Letters. Upon reasonable notice from the other
party hereto, the Company or Parent, as the case may be, shall use its
reasonable efforts to cause KPMG Peat Marwick L.L.P., as its accounting firm,
to deliver to the other party hereto, a letter, dated within 2 business days
of the Effective Date of the Registration Statement covering such matters as
are requested by Parent or the Company, as the case may be, and as are
customarily addressed in accountant's "comfort" letters.
 
  SECTION 5.13 Rights Agreement. The Company shall take all action necessary
to cause the Rights issued pursuant to the terms of the Rights Agreement to
expire immediately prior to the Effective Time.
 
  SECTION 5.14 NASDAQ Listing. The Company shall use its reasonable commercial
efforts to continue the quotation of the Company Common Stock on the Nasdaq
National Market during the term of this Agreement.
 
  SECTION 5.15 Listing of Parent Shares. Parent shall use its best efforts to
cause the Parent Shares to be issued in the Merger to be approved for listing,
upon official notice of issuance, on the New York Stock Exchange.
 
  SECTION 5.16 Benefit Plans. The eligibility of the each employee of the
Company (and his or her spouse and dependents) to participate in the welfare
plans (as defined in ERISA section 3(1)) of Parent or the Surviving
Corporation after the Effective Time shall be determined without regard to any
preexisting condition, waiting period, actively-at-work, or similar exclusion
or condition except for any such condition or exclusion to which the employee
is subject under the applicable welfare plan of the Company as of the
Effective Time. Employees of the Company shall receive credit under the
welfare plans of the Parent or the Surviving Corporation in which they
participate after the Effective Time toward coinsurance and deductibles for
any payments made by them during the calendar year in which the Effective Time
occurs under the applicable
 
                                      27
<PAGE>
 
welfare plans of the Company. In addition, employees of the Surviving
Corporation shall receive credit, for purposes of its retirement, welfare,
vacation and similar plans or policies, for service with the Company prior to
the Effective Time.
 
  SECTION 5.17 Company Securities. The Company shall use its reasonable
commercial efforts to (i) consistent with applicable fiduciary duties of the
directors of the Company, (1) persuade the holders of the SR Warrants to
exercise such securities prior to the Effective Time or exchange such
securities in the Merger for the applicable Merger Consideration and (2)
persuade the holders of Class E Common Stock to vote in favor of the Merger
and exchange their shares of Class E Common Stock in the Merger for the
applicable Merger Consideration; and (ii) cause all existing registration
rights of holders of Company securities to have been canceled effective upon
the consummation of the Merger or persuade the holders of registration rights
to exchange the securities to which such registration rights apply in the
Merger for the applicable Merger Consideration.
 
                                  ARTICLE VI
 
                           CONDITIONS TO THE MERGER
 
  SECTION 6.1 Conditions to Obligation of Each Party to Effect the Merger. The
respective obligations of each party to effect the Merger shall be subject to
the satisfaction at or prior to the Effective Time of the following
conditions:
 
  (a) Effectiveness of the Registration Statement. The Registration Statement
shall have been declared effective by the SEC under the Securities Act. No
stop order suspending the effectiveness of the Registration Statement shall
have been issued by the SEC and no proceedings for that purpose and no similar
proceeding in respect of the Joint Proxy Statement/Prospectus shall have been
initiated or threatened by the SEC;
 
  (b) Stockholder Approval. This Agreement and the Merger shall have been
approved and adopted by the requisite vote of the stockholders of the Company;
 
  (c) HSR Act. The waiting period applicable to the consummation of the Merger
under the HSR Act shall have expired or been terminated;
 
  (d) No Injunctions or Restraints; Illegality. No temporary restraining
order, preliminary or permanent injunction or other order issued by any court
of competent jurisdiction or other legal restraint or prohibition preventing
the consummation of the Merger shall be in effect, nor shall any proceeding
brought by any administrative agency or commission or other governmental
authority or instrumentality, domestic or foreign, seeking any of the
foregoing be pending; and there shall not 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; and
 
  (e) Governmental Actions. There shall not have been instituted, pending or
threatened any action or proceeding (or any investigation or other inquiry
that could result in such an action or proceeding) by any governmental
authority or administrative agency before any governmental authority,
administrative agency or court of competent jurisdiction, nor shall there be
in effect any judgment, decree or order of any governmental authority,
administrative agency or court of competent jurisdiction, in either case,
seeking to prohibit or limit Parent from exercising all material rights and
privileges pertaining to its ownership of the Surviving Corporation or the
ownership or operation by Parent or any of its subsidiaries of all or a
material portion of the business or assets of Parent or any of its
subsidiaries, or seeking to compel Parent or any of its subsidiaries to
dispose of or hold separate all or any material portion of the business or
assets of Parent or any of its subsidiaries (including the Surviving
Corporation and its subsidiaries), as a result of the Merger or the
transactions contemplated by this Agreement.
 
 
                                      28
<PAGE>
 
  (f) Listing of Parent Shares. The Parent Shares to be issued in the Merger
shall have been approved for listing, upon official notice of issuance, on the
New York Stock Exchange.
 
  SECTION 6.2 Additional Conditions to Obligations of Parent and Merger
Sub. The obligations of Parent and Merger Sub to effect the Merger are also
subject to the following conditions:
 
  (a) Representations and Warranties. The representations and warranties of
the Company contained in this Agreement shall be true and correct in all
respects at and as of the Effective Time as if made at and as of such time,
except for (i) changes contemplated by this Agreement, (ii) those
representations and warranties which address matters only as of a particular
date (which shall have been true and correct as of such date, subject to
clause (iii)), and (iii) where the failure to be true and correct would not
reasonably be expected to have a Material Adverse Effect, with the same force
and effect as if made at and as of the Effective Time, and Parent and Merger
Sub shall have received a certificate to such effect signed by the President
and the Chief Financial Officer of the Company;
 
  (b) Agreements and Covenants. The Company shall have performed or complied
in all material respects with all agreements and covenants required by this
Agreement to be performed or complied with by it at or prior to the Effective
Time, and Parent and Merger Sub shall have received a certificate to such
effect signed by the President and the Chief Financial Officer of the Company;
 
  (c) Consents Obtained. All consents, waivers, approvals, authorizations or
orders required to be obtained, and all filings required to be made, by the
Company for the due authorization, execution and delivery of this Agreement
and the consummation by it of the transactions contemplated hereby shall have
been obtained and made by the Company, except where the failure to receive
such consents, etc. would not reasonably be expected to (i) have a Material
Adverse Effect on the Company or Parent, or (ii) materially delay or prevent
the consummation of the Merger;
 
  (d) Tax Opinion. Parent shall have received a written opinion from Ropes &
Gray, in form and substance reasonably satisfactory to Parent, to the effect
that the Merger will constitute a reorganization within the meaning of Section
368 of the Code;
 
  (e) Affiliate Agreements. Parent shall have received from each person who is
identified in the Affiliate Letter as an "affiliate" of the Company, an
Affiliate Agreement, and such Affiliate Agreement shall be in full force and
effect;
 
  (f) Blue Sky Laws. Parent shall have received all permits and other
authorizations necessary under the Blue Sky Laws to issue shares of Parent
Common Stock pursuant to the Merger;
 
  (g) Employment Condition. The employees listed on Exhibit 6.2(g)(1) have
been designated as "KEY EMPLOYEES". A portion of the Key Employees have been
classified as "TIER 1 EMPLOYEES" and a portion have been classified as "TIER 2
EMPLOYEES". A minimum of two-thirds of each of the Tier 1 Employees and the
Tier 2 Employees (rounding down in the case of any fraction) shall (i) be in
the employ of the Company immediately prior to the Effective Time, (ii) have
agreed to work for Parent immediately following the Effective Time upon
mutually agreeable terms and conditions (and have not indicated any intention
not to continue such employment) and (iii) have entered into Parent's non-
disclosure/ confidentiality/ assignment of inventions agreement substantially
in the form of Exhibit 6.2(g)(2).
 
  (h) Rights Agreement. The Rights issued pursuant to the terms of the Rights
Agreement shall be inapplicable to the Merger, this Agreement and the other
transactions contemplated hereby.
 
  SECTION 6.3  Additional Conditions to Obligation of the Company. The
obligation of the Company to effect the Merger is also subject to the
following conditions:
 
 
                                      29
<PAGE>
 
  (a) Representations and Warranties. The representations and warranties of
Parent and Merger Sub contained in this Agreement shall be true and correct in
all respects on and as of the Effective Time, except for (i) changes
contemplated by this Agreement, (ii) those representations and warranties
which address matters only as of a particular date (which shall have been true
and correct as of such date, subject to clause (iii)), and (iii) where the
failure to be true and correct would not reasonably be expected to have a
Material Adverse Effect, with the same force and effect as if made on and as
of the Effective Time, and the Company shall have received a certificate to
such effect signed by the President and the Chief Financial Officer of Parent;
 
  (b) Agreements and Covenants. Parent and Merger Sub shall have performed or
complied in all material respects with all agreements and covenants required
by this Agreement to be performed or complied with by them on or prior to the
Effective Time, and the Company shall have received a certificate to such
effect signed by the Chairman and the Chief Financial Officer of Parent;
 
  (c) Consents Obtained. All material consents, waivers, approvals,
authorizations or orders required to be obtained, and all filings required to
be made, by Parent and Merger Sub for the authorization, execution and
delivery of this Agreement and the consummation by them of the transactions
contemplated hereby shall have been obtained and made by Parent and Merger
Sub, except where the failure to receive such consents, etc. would not
reasonably be expected to have (i) a Material Adverse Effect on the Company or
Parent or (ii) materially delay or prevent the consummation of the Merger;
 
  (d) Tax Opinion. The Company shall have received a written opinion of Heller
Ehrman White & McAuliffe, in form and substance reasonably satisfactory to the
Company, to the effect that the Merger will constitute a reorganization within
the meaning of Section 368 of the Code;
 
  (e) Fairness Opinion. The fairness opinion referred to in Section 2.23 shall
not have been withdrawn, amended or modified, provided that this shall not be
a condition to the obligations of the Company if the Company shall have
induced such withdrawal, amendment or modification.
 
                                  ARTICLE VII
 
                                  TERMINATION
 
  SECTION 7.1 Termination.  This Agreement may be terminated at any time prior
to the Effective Time, notwithstanding approval thereof by the stockholders of
the Company or Parent:
 
  (a) by mutual written consent duly authorized by the Boards of Directors of
Parent and the Company; or
 
  (b) by either Parent or the Company if the Merger shall not have been
consummated by October 15, 1998 (provided that the right to terminate this
Agreement under this Section 7.1(b) shall not be available to any party whose
failure to fulfill any obligation under this Agreement has been the cause of
or resulted in the failure of the Merger to occur on or before such date); or
 
  (c) by either Parent or the Company if a court of competent jurisdiction or
governmental, regulatory or administrative agency or commission shall have
issued a nonappealable final order, decree or ruling or taken any other action
having the effect of permanently restraining, enjoining or otherwise
prohibiting the Merger (provided that the right to terminate this Agreement
under this Section 7.1(c) shall not be available to any party who has not
complied with its obligations under Section 5.9 and such noncompliance
materially contributed to the issuance of any such order, decree or ruling or
the taking of such action); or
 
  (d) by Parent or the Company, if the Merger shall have been submitted to a
vote of the stockholders of the Company and the requisite vote of the
stockholders approving the Merger shall not have been obtained; or
 
  (e) by Parent, if: (i) the Board of Directors of the Company shall withdraw,
modify or change its approval or recommendation of this Agreement or the
Merger in a manner adverse to Parent or shall have resolved to do so; (ii) the
Board of Directors of the Company shall have recommended to the stockholders
of the Company an
 
                                      30
<PAGE>
 
Alternative Transaction (as defined below); or (iii) a tender offer or
exchange offer for 25% or more of the outstanding shares of Company Common
Stock is commenced (other than by Parent or an affiliate of Parent) and the
Board of Directors of the Company recommends that the stockholders of the
Company tender their shares in such tender or exchange offer; or
 
  (f) by Parent or the Company, (i) if any representation or warranty of the
Company or Parent, respectively, set forth in this Agreement shall be untrue
when made, or (ii) upon a breach of any covenant or agreement on the part of
the Company or Parent, respectively, set forth in this Agreement, such that
the conditions set forth in Section 6.2(a) or 6.2(b), or Section 6.3(a) or
6.3(b), as the case may be, would not be satisfied (either (i) or (ii) above
being a "TERMINATING BREACH"), provided, that, if such Terminating Breach is
curable prior to October 15, 1998 by the Company or Parent, as the case may
be, through the exercise of its reasonable best efforts and for so long as the
Company or Parent, as the case may be, continues to exercise such reasonable
best efforts, neither Parent nor the Company, respectively, may terminate this
Agreement under this Section 7.1(f); or
 
  (g) by Parent, if any representation or warranty of the Company shall have
become untrue such that the condition set forth in Section 6.2(a) would not be
satisfied, or by the Company, if any representation or warranty of Parent
shall have become untrue such that the condition set forth in Section 6.3(a)
would not be satisfied, in either case other than by reason of a Terminating
Breach; or
 
  (h) by Parent, if any person (or "group", as defined in Section 13(d)(3) of
the Exchange Act) other than Parent or its affiliates is or becomes the
beneficial owner of 25% or more of the outstanding Shares; or
 
  (i) by the Company, if, in response to a Superior Proposal (as defined
below), the Company's Board of Directors determines in good faith (consistent
with the advice of the Company's outside legal counsel) that (i) it must
withdraw, amend or modify in a manner adverse to Parent its recommendation to
the Company's stockholders for approval of this Agreement and (ii) failing to
take such action would cause it to fail to discharge properly its fiduciary
duties under applicable law; provided, however, that the Company may not
terminate pursuant to this Section 7.1(i) unless and until: (i) four calendar
days have elapsed following delivery to Parent of a written notice of such
determination by the Company's Board of Directors and during such four-day
period the Company (x) informs Parent of the terms and conditions of the
Superior Proposal and the identity of the person making the Superior Proposal
and (y) otherwise fully cooperates with Parent (subject, in the case of this
clause (y), to the condition that the Company's Board of Directors shall not
be required to take any action that it believes, after consultation with and
consistent with the Company's outside legal counsel, would violate its
fiduciary duties to the Company or the Company's stockholders under applicable
law) with the intent of enabling Parent to agree to a modification of the
terms and conditions of this Agreement so that the transactions contemplated
hereby may be effected; (ii) at the end of such four-day period the Company's
Board of Directors determines in good faith that such Superior Proposal
continues to constitute a Superior Proposal, having regard to any proposal
made by Parent within the preceding four days; (iii) simultaneously with such
termination the Company pays to Parent the amount specified in Section 7.3(b);
and (iv) simultaneously with such termination the Company enters into a
definitive acquisition, merger or similar agreement to the effect the Superior
Proposal.
 
  As used herein, "ALTERNATIVE TRANSACTION" means any of (i) a transaction
pursuant to which any person (or group of persons) other than Parent or its
affiliates (a "THIRD PARTY") acquires or would acquire more than 25% of the
outstanding Shares, whether from the Company or pursuant to a tender offer or
exchange offer or otherwise, (ii) a merger or other business combination
involving the Company pursuant to which any Third Party acquires more than 25%
of the outstanding equity securities of the Company or the entity surviving
such merger or business combination, or (iii) any other transaction pursuant
to which any Third Party acquires or would acquire control of assets of the
Company having a fair market value (as determined by the Board of Directors of
the Company in good faith) equal to more than 25% of the fair market value of
all the assets of the Company, taken as a whole, immediately prior to such
transaction.
 
  As used herein, "SUPERIOR PROPOSAL" means a written and unsolicited
Acquisition Proposal that (i) the Company's Board of Directors determines in
good faith (A) is reasonably capable of being completed and (B) is
economically more favorable to the Company's stockholders than the Merger,
having received prior to such
 
                                      31
<PAGE>
 
determination the advice of a financial advisor of nationally recognized
reputation that such Acquisition Proposal would be economically more favorable
to the Company's stockholders than the Merger in that it results in greater
aggregate per share consideration than would the Merger, and (ii) that is not
subject to financing.
 
  SECTION 7.2 Effect of Termination. In the event of the termination of this
Agreement pursuant to Section 7.1, this Agreement shall forthwith become void
and there shall be no liability on the part of any party hereto or any of its
affiliates, directors, officers or stockholders except (i) as set forth in
Section 7.3 and Section 8.1 hereof, and (ii) nothing herein shall relieve any
party from liability for any breach hereof; provided, however, that if Parent
is paid the Fee (as defined below) the amount of the Fee shall be deducted
from any money damages otherwise received by Parent from the Company.
 
  SECTION 7.3 Fees and Expenses
 
  (a) Except as set forth in this Section 7.3, all fees and expenses incurred
in connection with this Agreement and the transactions contemplated hereby
shall be paid by the party incurring such expenses, whether or not the Merger
is consummated; provided, however, that Parent and the Company shall share
equally all fees and expenses, other than accountants' and attorneys' fees,
incurred in connection with the printing and filing of the Joint Proxy
Statement/Prospectus (including any preliminary materials related thereto) and
the Registration Statement (including financial statements and exhibits) and
any amendments or supplements thereto.
 
    (b) The Company shall pay Parent a fee of $3,800,000 (the "FEE") upon the
  first to occur of the following events:
 
      (i) the termination of this Agreement by Parent or the Company pursuant
  to Section 7.1(d) and the execution by the Company of an agreement with
  respect to an Alternative Transaction within four months after such
  termination; or
 
      (ii) the termination of this Agreement by Parent pursuant to Section
  7.1(e); or
 
      (iii) the termination of this Agreement by Parent pursuant to Section
  7.1(f) on account of a Terminating Breach by the Company and the execution
  by the Company of an agreement with respect to an Alternative Transaction
  within four months after such termination; or
 
      (iv) the termination of this Agreement by Parent pursuant to Section
  7.1(h);or
 
      (v) the termination of this Agreement by the Company pursuant to
  Section 7.1(i).
 
    (c) The Fee and related expenses payable pursuant to Section 7.3(b) shall
  be paid within one business day after the first to occur of any of the
  events described in Section 7.3(b)(i), (ii), (iii) or (iv).
 
                                   ARTICLE 8
 
                              GENERAL PROVISIONS
 
  SECTION 8.1 Effectiveness of Representations, Warranties and Agreements;
Knowledge, Etc.
 
  (a) Except as otherwise provided in this Section 8.1, the representations,
warranties and agreements of each party hereto shall remain operative and in
full force and effect regardless of any investigation made by or on behalf of
any other party hereto, any person controlling any such party or any of their
officers or directors, whether prior to or after the execution of this
Agreement. The representations, warranties and agreements in this Agreement
shall terminate at the Effective Time or upon the termination of this
Agreement pursuant to Section 7.1, as the case may be, except that the
agreements set forth in this Section 8.1 shall survive independently and
Article I and Sections 5.7, 5.16 and 8.9 shall survive the Effective Time
indefinitely and those set forth in Section 7.3 shall survive such termination
indefinitely. The Confidentiality Letters shall survive termination of this
Agreement as provided therein.
 
  (b) Any disclosure made with reference to one or more sections of the
Company Disclosure Schedule or the Parent Disclosure Schedule shall be deemed
disclosed only with respect to such section.
 
                                      32
<PAGE>
 
  SECTION 8.2 Notices. All notices and other communications given or made
pursuant hereto shall be in writing and shall be deemed to have been duly
given or made if and when delivered personally or by overnight courier to the
parties at the following addresses or sent by electronic transmission, with
confirmation received, to the telecopy numbers specified below (or at such
other address or telecopy number for a party as shall be specified by like
notice):
 
    (a) If to Parent or Merger Sub:
 
      Cabletron Systems, Inc.
      One Cabletron Way
      Rochester, NH 03867
 
      Telecopier No.: (603) 332-4004
 
      Telephone No.: (603) 337-4270
      Attention: David J. Kirkpatrick
 
  With a copy to:
 
      Douglass N. Ellis, Jr., Esq.
      Ropes & Gray
      One International Place
      Boston, MA 02110
 
      Telecopier No.: (617) 951-7050
      Telephone No.: (617) 951-7374
 
  (4)If to the Company:
 
      NetVantage, Inc.
      201 Continental Boulevard, Suite 20
      El Segundo, CA 90245-4527
 
      Telecopier No.: (310) 726-4131
      Telephone No.: (310) 726-4130
      Attention: President
 
      With a copy to:
 
      Victor A. Hebert, Esq.
      Heller Ehrman White & McAuliffe
      601 South Figueroa Street
      40th Floor
      Los Angeles, CA 90017-5758
      Telecopier No.: (213) 614-1868
      Telephone No.: (213) 689-0200
 
  SECTION 8.3 Certain Definitions For purposes of this Agreement, the term:
 
  (a) "affiliates" means a person that directly or indirectly, through one or
more intermediaries, controls, is controlled by, or is under common control
with, the first mentioned person; including, without limitation, any
partnership or joint venture in which the first mentioned person (either
alone, or through or together with any other subsidiary) has, directly or
indirectly, an interest of 5% or more;
 
  (b) "beneficial owner" with respect to any shares of Company Common Stock
means a person who shall be deemed to be the beneficial owner of such shares
(i) which such person or any of its affiliates or associates
 
                                      33
<PAGE>
 
(as such term is defined in Rule 12b-2 of the Exchange Act) beneficially owns,
directly or indirectly, (ii) which such person or any of its affiliates or
associates has, directly or indirectly, (A) the right to acquire (whether such
right is exercisable immediately or subject only to the passage of time),
pursuant to any agreement, arrangement or understanding or upon the exercise
of conversion rights, exchange rights, warrants or options, or otherwise, or
(B) the right to vote pursuant to any agreement, arrangement or understanding
(other than a revocable proxy or consent), or (iii) which are beneficially
owned, directly or indirectly, by any other persons with whom such person or
any of its affiliates or associates has any agreement, arrangement or
understanding for the purpose of acquiring, holding, voting or disposing of
any shares;
 
  (c) "business day" means any day other than a day on which banks in The
Commonwealth of Massachusetts or the State of California are required or
authorized to be closed;
 
  (c) "control" (including the terms "controlled by" and "under common control
with") means the possession, directly or indirectly or as trustee or executor,
of the power to direct or cause the direction of the management or policies of
a person, whether through the ownership of stock, as trustee or executor, by
contract or credit arrangement or otherwise;
 
  (e) "person" means an individual, corporation, partnership, association,
trust, unincorporated organization, other entity or group (as defined in
Section 13(d)(3) of the Exchange Act); and
 
  (f) "subsidiary" or "subsidiaries" of the Company, Parent or any other
person means any corporation, partnership, joint venture or other legal entity
of which the Company, the Surviving Corporation, Parent or such other person,
as the case may be (either alone or through or together with any other
subsidiary), owns, directly or indirectly, more than 50% of the stock or other
equity interests the holders of which are generally entitled to vote for the
election of the board of directors or other governing body of such corporation
or other legal entity.
 
  SECTION 8.4 Amendment. This Agreement may be amended by the parties hereto
by action taken by or on behalf of their respective Boards of Directors at any
time prior to the Effective Time; provided, however, that, after approval of
the Merger by the stockholders of the Company, no amendment may be made which
by law requires further approval by such stockholders without such further
approval. This Agreement may not be amended except by an instrument in writing
signed by the parties hereto.
 
  SECTION 8.5 Waiver. At any time prior to the Effective Time, any party
hereto may with respect to any other party hereto (a) extend the time for the
performance of any of the obligations or other acts, (b) waive any
inaccuracies in the representations and warranties contained herein or in any
document delivered pursuant hereto, or (c) waive compliance with any of the
agreements or conditions contained herein. Any such extension or waiver shall
be valid only if set forth in an instrument in writing signed by the party or
parties to be bound thereby.
 
  SECTION 8.6 Headings. The headings contained in this Agreement are for
reference purposes only and shall not affect in any way the meaning or
interpretation of this Agreement.
 
  SECTION 8.7 Severability. If any term or other provision of this Agreement
is invalid, illegal or incapable of being enforced by any rule of law, or
public policy, all other conditions and provisions of this Agreement shall
nevertheless remain in full force and effect so long as the economic or legal
substance of the transactions contemplated hereby is not affected in any
manner adverse to any party. Upon such determination that any term or other
provision is invalid, illegal or incapable of being enforced, the parties
hereto shall negotiate in good faith to modify this Agreement so as to effect
the original intent of the parties as closely as possible in an acceptable
manner to the end that the transactions contemplated hereby are fulfilled to
the fullest extent possible.
 
  SECTION 8.8 Entire Agreement. This Agreement constitutes the entire
agreement and supersedes all prior agreements and undertakings (other than the
Confidentiality Letters), both written and oral, among the parties, or any of
them, with respect to the subject matter hereof.
 
 
                                      34
<PAGE>
 
  SECTION 8.9 Assignment; Guarantee of Merger Sub Obligations. This Agreement
shall not be assigned by operation of law or otherwise. Parent guarantees the
full and punctual performance by Merger Sub and Surviving Corporation of (i)
all the obligations hereunder of Merger Sub and Surviving Corporation or any
such assignees, and (ii) after the Effective Time, all the contractual
obligations of the Company previously disclosed to Parent at or prior to the
Effective Time to its current and former directors, officers and employees.
This Section shall survive the consummation of the Merger at the Effective
Time, is intended to benefit the Company and such directors, officers and
employees, shall be binding upon all successors and assigns of Parent and the
Surviving Corporation and shall be enforceable by such directors, officers and
employees.
 
  SECTION 8.10 Parties in Interest. This Agreement shall be binding upon and
inure solely to the benefit of each party hereto, and nothing in this
Agreement, express or implied, is intended to or shall confer upon any other
person any right, benefit or remedy of any nature whatsoever under or by
reason of this Agreement, including, without limitation, by way of
subrogation, other than Section 5.7 (which is intended to be for the benefit
of the Indemnified Parties and may be enforced by any of such Indemnified
Parties, and Section 8.9 (which is intended to be for the benefit of the
Company's current and former directors, officers and employees).
 
  SECTION 8.11 Failure or Indulgence Not Waiver; Remedies Cumulative. No
failure or delay on the part of any party hereto in the exercise of any right
hereunder shall impair such right or be construed to be a waiver of, or
acquiescence in, any breach of any representation, warranty or agreement
herein, nor shall any single or partial exercise of any such right preclude
any other or further exercise thereof or of any other right. All rights and
remedies existing under this Agreement are cumulative to, and not exclusive
of, any rights or remedies otherwise available.
 
  SECTION 8.12 Governing Law. This Agreement shall be governed by, and
construed in accordance with, the internal laws of the State of Delaware
applicable to contracts executed and fully performed within the State of
Delaware.
 
  SECTION 8.13 Counterparts. This Agreement may be executed in one or more
counterparts, and by the different parties hereto in separate counterparts,
each of which when executed shall be deemed to be an original but all of which
taken together shall constitute one and the same agreement.
 
                    [THIS SPACE INTENTIONALLY LEFT BLANK.]
 
 
                                      35
<PAGE>
 
  IN WITNESS WHEREOF, Parent, Merger Sub and the Company have caused this
Agreement to be executed as of the date first written above by their respective
officers thereunto duly authorized.
 
                                          CABLETRON SYSTEMS, INC.
 
                                               /s/ David J. Kirkpatrick
                                          By: _________________________________
                                          Name: David J. Kirkpatrick
                                          Title: Corporate Executive Vice
                                              President and Chief Financial
                                              Officer
 
                                          TEMPEST ACQUISITION, INC.
 
                                               /s/ David J. Kirkpatrick
                                          By: _________________________________
                                          Name: David J. Kirkpatrick
                                          Title: Vice President
 
                                          NETVANTAGE, INC.
 
                                                /s/ Stephen R. Rizzone
                                          By: _________________________________
                                          Name: Stephen R. Rizzone
                                          Title: President and CEO
 
                                      36

<PAGE>
 
                                                                   EXHIBIT  10.1


                            CABLETRON SYSTEMS, INC.
                                   Agreement
                                   ---------  

     This Agreement (the "AGREEMENT") is made and entered into this 22nd day of
June, 1998 between Cabletron Systems, Inc., a Delaware corporation
("CABLETRON"), NetVantage, Inc. ("NETVANTAGE") and Stephen R. Rizzone, an
individual ("RIZZONE").

     WHEREAS, Cabletron and NetVantage have entered into an Agreement and Plan
of Merger (the "MERGER AGREEMENT") dated as of the date hereof pursuant to which
the Company will merge with and into a wholly-owned subsidiary of Cabletron (the
"MERGER").

     NOW, therefore, in consideration of the mutual promises, covenants,
representations and warranties contained in this Agreement, the parties agree as
follows:

     1.  Loan Forgiveness.
         ---------------- 

          (a)  NetVantage previously loaned Rizzone $750,000 (the "Loan")
pursuant to a Secured Promissory Note dated April 22, 1997 (the "Note").  At the
Effective Time, Cabletron agrees to pay to NetVantage an amount equal to
$328,333 and accrued interest from January 1, 1998 due under the Loan and not
forgiven under the Letter Agreement dated April 22, 1997.  Upon such date,
NetVantage shall:  (i) release all liens it holds on any stock options or other
property of Rizzone as collateral for the Loan; and (ii) deliver the Note to
Rizzone marked "Paid-in-Full," signed by a duly appointed officer of NetVantage.

     2.  New Loan.  At the Effective Time, in consideration of the payment by
         --------                                                            
Cabletron pursuant to Section 1 above, Rizzone agrees to enter into a promissory
note in substantially the form of Exhibit A hereto, an amount equal to the
amount paid by Cabletron to NetVantage pursuant to Section 1 of this Agreement.

     3.   Miscellaneous.  This Agreement sets forth the entire agreement between
          -------------                                                         
Rizzone, NetVantage and Cabletron and replaces all prior and contemporaneous
communications, agreements and understandings, written or oral, with respect to
the terms and conditions of this Agreement.  This Agreement may not be modified
or amended, and no breach shall be deemed to be waived, unless agreed to in
writing by Rizzone and an expressly authorized officer of each of NetVantage and
Cabletron.  The headings and captions in this Agreement are for convenience only
and in no way define or describe the scope or content of any provision of this
Agreement. This is a Massachusetts contract and shall be construed and enforced
under and be governed in all respects by the laws of the Commonwealth of
Massachusetts, without regard to the conflict of laws principles thereof.

     4.   Assignment.  None of the parties hereto may make any assignment of
          ----------                                                        
this Agreement or any interest in it, without the prior written consent of the
other parties; provided, however, that Cabletron may assign its rights and
obligations under this Agreement without your consent to one of its affiliates
or subsidiaries so long as such assignment does not relieve Cabletron of any of
its obligations under this Agreement.
<PAGE>
 
     5.   Assurances.  By entering into this Agreement, Rizzone gives Cabletron
          ----------                                                           
and NetVantage assurance that Rizzone has signed it voluntarily and with a full
understanding of its terms and that Rizzone has not relied on any agreements or
representations, express or implied, that are not set forth expressly in this
Agreement or the Merger Agreement.

     6.   Notices.  Any notices provided for in this Agreement shall be in
          -------                                                         
writing and shall be effective when delivered in person or deposited in the
United States mail, postage prepaid, and addressed to Consultant at Consultant's
last known address on the books of Cabletron; in the case of Cabletron, to it at
35 Industrial Way, Rochester, New Hampshire 03867, attention Chief Financial
Officer; in the case of NetVantage, to it c/o Cabletron at the address provided
for Cabletron or to such other address as any party may specify by notice to the
other actually received.

     7.   Termination of Merger Agreement.  If, prior to the Effective Time, the
          -------------------------------                                       
Merger Agreement shall be terminated, this Agreement shall automatically
terminate and be without further force or effect.

     IN WITNESS WHEREOF, the parties to this Agreement have duly authorized and
executed this Agreement as of the date first written above.


                         CABLETRON SYSTEMS, INC.



                         By: /s/ Robert Barber
                             ------------------------------
                         Name: Robert Barber
                               ----------------------------
                         Title: Vice President
                                ---------------------------



                         NETVANTAGE, INC.



                         By: /s/ Thomas Iwanski
                             ------------------------------
                         Name: Thomas Iwanski
                               ----------------------------   
                         Title: Vice President Finance, Chief 
                                Financial Officer
                                and Secretary
                                ------------------------------


                         CONSULTANT


                         /s/ Stephen R. Rizzone 
                         __________________________________
                         Stephen R. Rizzone

                                      -2-

<PAGE>
 
                                                                   EXHIBIT 10.16


                               NETVANTAGE, INC.

                   AMENDED AND RESTATED EMPLOYMENT AGREEMENT


     AGREEMENT dated as of June 22, 1998 by and between NetVantage, Inc., a
Delaware corporation with an address at 201 Continental Blvd., Suite 201, El
Segundo, CA 90245-4427 (the "COMPANY") and Stephen R. Rizzone, an individual
residing at (redacted) (the "EXECUTIVE").

     WHEREAS, the Company and Cabletron Systems, Inc., a Delaware corporation
("CABLETRON"), have entered into an Agreement and Plan of Merger (the "MERGER
AGREEMENT") of even date pursuant to which the Company will merge with and into
a wholly-owned subsidiary of Cabletron (the "MERGER"); and

     WHEREAS, the Executive is, as of the date hereof, the President and Chief
Executive Officer of the Company;

     WHEREAS, the Executive and the Company are currently party to an Amended
and Restated Employment Agreement dated January 1, 1998, (the "EXISTING
EMPLOYMENT AGREEMENT");

     WHEREAS, as a condition to the Merger, the Executive and the Company have
agreed to amend and restate the Employment Agreement as set forth herein,
effective as of immediately prior to the Closing (as defined in the Merger
Agreement) of the Merger;

     NOW, THEREFORE, in consideration of the foregoing premises and the mutual
promises, terms, provisions and conditions set forth in this Agreement, the
parties hereby agree:

     1.    Effective Date.  This Agreement shall become effective immediately
           --------------                                                    
prior to the Effective Time and shall thereupon amend and restate in its
entirety the Existing Employment Agreement.

     2.    Duties.  The Executive shall perform such duties as are assigned by
           ------                                                             
the Company.

     3.    Car Purchase.  The Executive has the option to purchase his 1998 Land
           ------------                                                         
Rover Sport Utility Vehicle (the "AUTO") at 40% of the then wholesale Kelly
Bluebook value.

     4.    Withholding.  All payments made by the Company under this Agreement
           -----------                                                        
shall be reduced by any tax or other amounts required to be withheld by the
Company under applicable law.

     5.    Assignment.   Neither the Executive nor the Company may make any
           ----------                                                      
assignment of this Agreement or any interest in it, by operation of law or
otherwise, without 
<PAGE>
 
the prior written consent of the other.

     6.    Severability.   If any portion or provision of this Agreement shall
           ------------                                                       
to any extent be declared illegal or unenforceable by a court of competent
jurisdiction, then the remainder of this Agreement, or the application of such
portion or provision in circumstances other than those as to which it is so
declared illegal or unenforceable, shall not be affected thereby, and each
portion and provision of this Agreement shall be valid and enforceable to the
fullest extent permitted by law.

     7.    Waiver.  No waiver of any provision hereof shall be effective unless
           ------                                                              
made in writing and signed by the waiving party.  The failure of either party to
require the performance of any term or obligation of this Agreement, or the
waiver by either party of any breach of this Agreement, shall not prevent any
subsequent enforcement of such term or obligation or be deemed a waiver of any
subsequent breach.

     8.    Notices.  Any and all notices, requests, demands and other
           -------                                                   
communications provided for by this Agreement shall be in writing and shall be
effective when delivered in person or deposited in the United States mail,
postage prepaid, registered or certified, and addressed to the Executive at the
Executive's last known address on the books of the Company or, in the case of
the Company, at its principal place of business, attention of President, or to
such other address as either party may specify by notice to the other actually
received.

     9.    Prior Agreement with the Company.  As of the Effective Time, this
           --------------------------------                                 
Agreement supersedes any employment agreement, salary continuation agreement and
any other employment-related commitment, understanding or arrangement, express
or implied, oral or written, between the Company and the Executive, except that
any agreement between the Company and the Executive, to the extent that such
agreement relates to confidentiality or non-disclosure or assignment of
proprietary rights, noncompetition or nonsolicitation relating to the Company's
business, shall remain in full force and effect and inure to the benefit of the
Company and its designees, and shall be in addition to, and not in limitation
of, the rights of the Company hereunder.

     10.    Miscellaneous.  This Agreement may be amended or modified only by a
            -------------                                                      
written instrument signed by the Executive and by an expressly authorized
representative of the Company, upon approval of the Board of Directors of the
Company.  The headings and captions in this Agreement are for convenience only
and in no way define or describe the scope or content of any provision of this
Agreement.  This Agreement may be executed in two or more counterparts, each of
which shall be an original and all of which together shall constitute one and
the same instrument.

     11.    Governing Law.  This agreement shall be governed by the laws of the
            -------------                                                      
State of California.  Any action or mediation dispute arising out of this
Agreement shall be conducted in Orange County, California.

                                      -2-
<PAGE>
 
     12.    Termination of Merger Agreement.  If, prior to the Effective Time,
            -------------------------------                                   
the Merger Agreement shall be terminated, this Agreement shall automatically
terminate and be without further force or effect.

     IN WITNESS WHEREOF, this Agreement has been executed as a sealed instrument
by the Company, by its duly authorized representative, and by the Executive, as
of the date first above written.


                                        NETVANTAGE, INC.

/s/ Stephen R. Rizzone                  By: /s/ Thomas Iwanski
- ----------------------                      --------------------------------
    Stephen R. Rizzone                  Name: Thomas Iwanski
                                              ------------------------------
                                        Title: VP Finance, CFO & Secretary
                                              ------------------------------ 

                                      -3-

<PAGE>
 
                                                                   EXHIBIT 10.23

                                NETVANTAGE, INC.
                     MANAGEMENT INCENTIVE COMPENSATION PLAN
    ________________________________________________________________________


PURPOSE

     This Management Incentive Compensation Plan (the "Plan") instituted by
NetVantage, Inc., a Delaware corporation (the "Company") is intended to provide
incentive compensation to officers and other senior management personnel who
contribute substantially to the financial success of the Company as measured
primarily by increased stockholder value as reflected in increases in the price
of the Company's Class A common stock.  The Board of Directors has determined
that it is in the best interests of the Company's stockholders to provide such
incentive compensation to Participants in the Plan in the event of a Change in
Control (as defined below) of the Company and to reward such Participants for
the service they have rendered to the Company which have resulted in a
substantial increase in stockholder value.

EFFECTIVE DATE AND PLAN MODIFICATIONS

     The Plan is effective as of January 1, 1998.  The Company reserves the
right to modify this Plan in the event that estimated payments resulting from
this Plan prevent the Company from completing a Change of Control using pooling.

PARTICIPATION

     Participation in the Plan shall be limited to employees of the Company
whose positions have a direct influence on the growth and profitability of the
Company.  The Board of Directors will approve all participants in the Plan.
Participation in the Plan will be established by agreements entered into between
selected employees and the Company ("Participants").  Participants' rights to
awards under the Plan will be set forth in each of their agreements.

INCENTIVE BONUS AWARDS

     All Company incentive bonus awards shall be paid to Participants as
follows:

     One-half of the incentive bonus award will be paid after the Change of
Control has been approved by both the Company's Board of Directors and the
Stockholders, if required.  The second half of the incentive bonus award will be
paid on the earlier of either the one year anniversary of the Change of Control
transaction or the termination of the Participant's employment for any reason
other than cause.  If the Participant voluntarily resigns before the one year
anniversary of the Change of Control, the second half of the incentive bonus
award will be forfeited.

     In the event of a Change in Control, Participant shall be entitled to
receive an incentive bonus award determined as follows:

     (a) If the Participant is designated in such Participant's agreement as a
     Tier I Participant, then, if the closing price, or if there is no closing
     price, the average of the high and low bid prices of the Company's Class A
     common stock as quoted on the Stock Market immediately prior to the
     effective time of a change in control is (i) at least $10.00 per share but
     less than $15.00 per share, then the Participant shall be entitled to
     receive a bonus payment equal to 200% of such Participant's Annual
     Compensation (as defined below), or (ii) at least $15.00 per share, then
     the Participant shall be entitled to receive a bonus payment equal to 300%
     of such Participant's Annual Compensation.

     (b) If the Participant is designated in such Participant's agreement as a
     Tier II Participant, then, if the closing price, or if there is no closing
     price, the average of the high and low bid prices of the Company's 
<PAGE>
 
     Class A common stock as quoted on the Stock Market immediately prior to the
     effective time of a Change in Control is (i) at least $10.00 per share but
     less than $15.00 per share, then the Participant shall be entitled to
     receive a bonus payment equal to 100% of such Participant's Annual
     Compensation, or (ii) at least $15.00 per share, then the Participant shall
     be entitled to receive a bonus payment equal to 150% of such Participant's
     Annual Compensation.

DEFINITIONS

     "Annual Compensation" shall mean at the time of the Change of Control the
Participant's average salary and bonus for the prior one year period before the
Change of Control or if the Participant has been employed by the Company for
less than one year, the actual salary and bonus paid to Participant by the
Company during such period on an annualized basis.

     "Change of Control" shall mean the reorganization, merger, consolidation,
sale of assets or other transaction or series of transactions in which the
stockholders of the Company immediately preceding the consummation of such
transaction or transactions own less than 50% of the voting power of the entity
surviving or resulting from such transaction or transactions.

PLAN ADMINISTRATION

     The day-to-day administration of the Plan is the responsibility of the
President of the Company under the guidance of the Compensation Committee of the
Board of Directors.


Approved by the Board of Directors on December 18, 1997.


                                                 /s/  Stephen R. Rizzone
                                                 -----------------------
                                                 Stephen R. Rizzone    
                                                 Chairman of the Board  

                                       2
<PAGE>
 

                                 AMENDMENT TO
                               NETVANTAGE, INC.
                    MANAGEMENT INCENTIVE COMPENSATION PLAN
                    --------------------------------------



     The following shall constitute an amendment to the Management Incentive
Compensation Plan (the "Plan") of NetVantage, Inc. (the "Company"):

     1. The Plan is amended to add the following paragraph "(c)" after paragraph
"(b)" under the section of the Plan entitled "Incentive Bonus Awards":

          "(c) Notwithstanding any of the foregoing provisions of paragraph (a)
     or (b) above to the contary, in the event of the consummation of the merger
     (the "Merger") contemplated by the Agreement and Plan of Merger dated as of
     June 22, 1998, as such may be amended from time to time (the "Merger
     Agreement"), among the Company, Cabletron Systems, Inc. and Tempest
     Acquisition, Inc., each Participant under the Plan shall be entitled to
     receive the incentive bonus award that would be due, and only that
     incentive award that would be due, under paragraph (a) or (b), as the case
     may be, as if the Merger Consideration (as defined in the Merger Agreement)
     set forth in the Merger Agreement had been at least $10.00 per share but
     less than $15.00 per share, instead of the actual Merger Consideration set
     forth in the Merger Agreement, with the first half of such incentive bonus
     award being due upon consummation of the Merger."

     2.  The foregoing amendment of the Plan was adopted by the Company's Board
of Directors on June 22, 1998.

     3.  Except as expressely set forth above, this Amendment does not in any
way affect or alter the terms and conditions of the Plan, which remain in full
force and effect.

     IN WITNESS WHEREOF, this Amendment was executed in El Segundo, California,
as of June 22, 1998.

                                               NETVANTAGE, INC.                 
                                               a Delaware corportation          
                                                                                
                                               By /s/ Stephen R. Rizzone
                                                  ------------------------------
                                                     Its: Chairman of the Board
                                                          ----------------------


<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BALANCE
SHEET INCOME STATEMENT AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             APR-01-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                      13,264,973
<SECURITIES>                                         0
<RECEIVABLES>                                2,810,268
<ALLOWANCES>                                 (395,622)
<INVENTORY>                                  6,238,107
<CURRENT-ASSETS>                            22,404,451
<PP&E>                                       4,438,598
<DEPRECIATION>                             (1,905,314)
<TOTAL-ASSETS>                              25,290,747
<CURRENT-LIABILITIES>                        5,849,641
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        10,943
<OTHER-SE>                                  64,942,192
<TOTAL-LIABILITY-AND-EQUITY>                25,290,747
<SALES>                                      6,894,487
<TOTAL-REVENUES>                             6,894,487
<CGS>                                        5,426,484
<TOTAL-COSTS>                               13,322,318
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             (8,757)
<INCOME-PRETAX>                             (6,099,550)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                (6,099,550)
<EPS-PRIMARY>                                    (0.59)
<EPS-DILUTED>                                    (0.59)
        

</TABLE>


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