VENTANA MEDICAL SYSTEMS INC
10-Q, 1998-08-14
SURGICAL & MEDICAL INSTRUMENTS & APPARATUS
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<PAGE>   1
                                 United States
                       Securities and Exchange Commission
                             Washington, D.C. 20549

                                    FORM 10Q

[X] Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange
Act of 1934 for the Period Ended June 30, 1998,

                                       or

[ ] Transition Report Pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934 for the Transition Period From ___________ to ___________

    Commission file number 000-20931.

                         VENTANA MEDICAL SYSTEMS, INC.
             (Exact name of registrant as specified in its charter)


               DELAWARE                                    94-2976937
     (State or other jurisdiction of                   (I.R.S. Employer
     incorporation or organization)                    Identification No.)

     3865 North Business Center Drive
     Tucson, Arizona                                        85705
     (Address of principal executive offices)             (Zip Code)

                                 (520) 887-2155
              (Registrant's telephone number, including area code)

                                 Not Applicable
              (Formal name, former address and former fiscal year,
                          if changed from last report)

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 periods 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
                                              -----    -----

               Applicable Only to Issuers Involved in Bankruptcy
                  Proceedings During the Preceding Five Years

Indicate by check mark whether the registrant has filed all documents and
reports required to be Filed by Sections 12, 13, or 15(d) of the Securities
Exchange Act of 1934 subsequent to the distribution of securities under a plan
confirmed by the court.  Yes_____  No_____

                      Applicable Only to Corporate Issuers

Indicate the number of shares outstanding of each of the issuer's classes of
common stock, as of The latest practical date.
Common Stock, $0.001 par value--13,346,689 shares as of July 31, 1998.
<PAGE>   2

                          VENTANA MEDICAL SYSTEMS, INC.


                               INDEX TO FORM 10-Q


Part I.      Financial Information

        Item 1.   Financial Statements

                  Condensed Consolidated Balance Sheets
                  June 30, 1998 (Unaudited) and December 31, 1997

                  Condensed Consolidated Statements of Operations 
                  Three months ended June 30, 1998 and 1997 (Unaudited)
                  Six months ended June 30, 1998 and 1997 (Unaudited)

                  Condensed Consolidated Statements of Cash Flows
                  Six months ended June 30, 1998 and 1997 (Unaudited)

                  Notes to Condensed Consolidated Financial Statements

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

Part II.     Other Information

        Item 1.   Legal Proceedings

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

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

Signature


<PAGE>   3
                          VENTANA MEDICAL SYSTEMS, INC.
                      CONDENSED CONSOLIDATED BALANCE SHEETS
                        (in thousands except share data)


<TABLE>
<CAPTION>
                                                                   June 30,         December 31,
                                ASSETS                              1998               1997
                                                                -------------      -------------
                                                                 (Unaudited)           (Note)
<S>                                                             <C>                <C>          
Current assets:
   Cash and cash equivalents                                    $      19,178      $      18,902
   Accounts receivable                                                 10,696              8,047
   Inventories (Note 2)                                                 7,141              5,134
   Other current assets                                                 1,781              2,109
                                                                -------------      -------------
Total current assets                                                   38,796             34,192
Property and equipment, net (Note 3)                                    6,635              6,105
Intangibles, net (Note 4)                                               7,776              8,055
                                                                -------------      -------------
Total assets                                                    $      53,207      $      48,352
                                                                =============      =============

                 LIABILITIES AND STOCKHOLDERS' EQUITY

Current liabilities
   Accounts payable                                             $       2,637      $       2,584
   Other current liabilities (Note 5)                                   2,765              2,894
                                                                -------------      -------------
Total current liabilities                                               5,402              5,478
Long term debt                                                          1,817                471
Stockholders' equity
   Preferred stock - $.001 par value; 5,000,000 shares
     authorized (Note 7)                                                   --                 --
   Common stock - $.001 par value; 50,000,000 shares
     authorized; 13,333,356 and 13,247,226 shares
     issued and outstanding at June 30, 1998 and
     December 31, 1997, respectively                                       13                 13
   Additional Paid-In Capital                                          77,821             76,313
   Accumulated deficit                                                (31,669)           (33,782)
   Accumulated other comprehensive losses                                (177)              (141)
                                                                -------------      -------------
Total stockholders' equity                                             45,988             42,403
                                                                -------------      -------------
Total liabilities and stockholders' equity                      $      53,207      $      48,352
                                                                =============      =============
</TABLE>


Note:   The condensed consolidated balance sheet at December 31, 1997 has been
        derived from the audited financial statements at that date but does not
        include all of the information and footnotes required by generally
        accepted accounting principles for complete financial statements.

See accompanying notes


                                       2


<PAGE>   4
                          VENTANA MEDICAL SYSTEMS, INC.
                 CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
                      (in thousands except per share data)
                                   (Unaudited)


<TABLE>
<CAPTION>
                                                       Three Months Ended                   Six Months Ended
                                                            June 30                             June 30
                                               -------------------------------      -------------------------------
                                                   1998              1997                1998              1997
                                               -------------     -------------      -------------     -------------
<S>                                            <C>               <C>                <C>               <C>          
Sales:
  Instruments                                  $       3,827     $       1,919      $       7,422     $       3,890
  Reagents and other                                   7,755             5,534             14,515            10,521
                                               -------------     -------------      -------------     -------------
    Total net sales                                   11,582             7,453             21,937            14,411
Cost of goods sold                                     3,477             2,780              6,930             5,481
                                               -------------     -------------      -------------     -------------
Gross profit                                           8,105             4,673             15,007             8,930
Operating expenses:
  Research and development                             1,391               714              2,591             1,443
  Selling, general and administrative                  5,547             3,630             10,521             7,008
  Non-recurring expenses                                  --             1,656                 --             1,656
  Amortization of acquisition costs                      127               127                254               254
                                               -------------     -------------      -------------     -------------
Income from operations                                 1,040            (1,454)             1,641            (1,431)
Other income                                             262                76                472               262
                                               -------------     -------------      -------------     -------------
Net income                                     $       1,302     $      (1,378)     $       2,113     $      (1,169)
                                               =============     =============      =============     =============
Net income per share (Note 6)
  Basic                                        $        0.10     $       (0.11)     $        0.16     $       (0.09)
                                               =============     =============      =============     =============
  Diluted                                      $        0.09     $       (0.11)     $        0.14     $       (0.09)
                                               =============     =============      =============     =============
</TABLE>


See accompanying notes

                                       3

<PAGE>   5
                          VENTANA MEDICAL SYSTEMS, INC.
                 CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
                                 (in thousands)
                                   (Unaudited)


<TABLE>
<CAPTION>
                                                                     Six Months Ended
                                                                          June 30
                                                              --------------------------------
                                                                  1998               1997
                                                              -------------      -------------
<S>                                                           <C>                <C>           
OPERATING ACTIVITIES:
Net Income                                                    $       2,113      $      (1,169)
Adjustments to reconcile net income to cash
  provided by operating activities:
    Depreciation and amortization                                     1,189                793
    Changes in operating assets and liabilities, net                 (3,325)               826
                                                              -------------      -------------
Net cash provided by operating activities                               (23)               450

INVESTING ACTIVITIES:
Purchase of property and equipment, net                              (1,173)            (1,651)
Purchase of intangible assets                                            --                (44)
                                                              -------------      -------------
Net cash used in investing activities                                (1,173)            (1,695)

FINANCING ACTIVITIES:
Issuance (repayment) of debt (including amounts
  from related parties) and stock                                     1,508            (10,397)
Net proceeds from public offering                                        --             26,138
                                                              -------------      -------------
Net cash provided by financing activities                             1,508             15,741

Effect of exchange rate change on cash                                  (36)                55
                                                              -------------      -------------

Net increase in cash and cash equivalents                               276             14,551

Cash and cash equivalents, beginning of period                       18,902             11,067
                                                              -------------      -------------
Cash and cash equivalents, end of period                      $      19,178      $      25,618
                                                              =============      =============
</TABLE>


See accompanying notes

                                       4

<PAGE>   6
                          VENTANA MEDICAL SYSTEMS, INC.

              Notes to Condensed Consolidated Financial Statements



1.      SIGNIFICANT ACCOUNTING POLICIES:

The accompanying condensed consolidated financial statements are unaudited. They
have been prepared by the Company pursuant to the rules and regulations of the
Securities and Exchange Commission and are subject to year-end audit by
independent auditors. Certain information and footnote disclosure normally
included in financial statements prepared in accordance with generally accepted
accounting principles have been condensed or omitted pursuant to such rules and
regulations. It is suggested that the consolidated financial statements be read
in conjunction with the financial statements and notes included in the Company's
Annual Report and Form 10-K for the year ended December 31, 1997.

The information furnished reflects all adjustments which, in the opinion of
management, are necessary for a fair presentation of results for the interim
periods. Such adjustments consisted only of normal recurring items. It should
also be noted that results for the interim periods are not necessarily
indicative of the results expected for the full year or any future period.

The presentation of these consolidated financial statements in conformity with
generally accepted accounting principles requires management to make estimates
and assumptions that affect the reported amounts of assets and liabilities and
disclosures of contingent assets and liabilities at the date of the financial
statements and the reported amounts of revenues and expenses during the
reporting period. Actual results could differ from those estimates.


2.      INVENTORIES

Inventories consist of the following:


<TABLE>
<CAPTION>
                                             June 30       December 31
                                              1998            1997
                                          -------------   -------------
                                                  (in thousands)
<S>                                       <C>             <C>          
Raw material and work-in-process          $       5,051   $       4,033
Finished goods                                    2,090           1,101
                                          -------------   -------------
                                          $       7,141   $       5,134
                                          =============   =============
</TABLE>


                                       5


<PAGE>   7
3.      PROPERTY AND EQUIPMENT

Property and equipment consist of the following:


<TABLE>
<CAPTION>
                                                           June 30       December 31
                                                            1998             1997
                                                        -------------    -------------
                                                               (in thousands)
<S>                                                     <C>              <C>          
Diagnostic instruments                                  $       5,291    $       4,830
Machinery and equipment                                         3,913            3,464
Computers and related equipment                                 1,506            1,190
Leasehold improvements                                            533              472
Furniture and fixtures                                            183              177
                                                        -------------    -------------
                                                               11,426           10,133
Less accumulated depreciation and amortization                  4,791            4,028
                                                        -------------    -------------
                                                        $       6,635    $       6,105
                                                        =============    =============
</TABLE>


4.      INTANGIBLES

Intangibles consist of the following:


<TABLE>
<CAPTION>
                                          June 30       December 31
                                           1998            1997
                                       -------------   -------------
                                              (in thousands)
<S>                                    <C>             <C>          
Customer base                          $       4,100   $       4,100
Developed technology                           2,800           2,800
Goodwill, patents and other                    2,244           2,244
                                       -------------   -------------
                                               9,144           9,144
Less accumulated amortization                  1,368           1,089
                                       -------------   -------------
                                       $       7,776   $       8,055
                                       =============   =============
</TABLE>


5.      OTHER CURRENT LIABILITIES:

Other current liabilities consist of the following:


<TABLE>
<CAPTION>
                                             March 31      December 31
                                               1998            1997
                                           -------------   -------------
                                                   (in thousands)
<S>                                        <C>             <C>          
Accrued payroll and payroll taxes          $         380   $         421
Accrued commissions                                  320             146
Deferred revenue                                     667             334
Accrued legal reserves                                 0             946
Sales tax payable                                    463             410
Other accrued liabilities                            935             637
                                           -------------   -------------
                                           $       2,765   $       2,894
                                           =============   =============
</TABLE>


                                       6


<PAGE>   8
6.   EARNINGS PER SHARE:

In February 1997, the Financial Accounting Standards Board issued SFAS No. 128,
Earnings per Share, which was required to be adopted by the Company on December
31, 1997. SFAS No. 128 replaced the calculation of primary and fully diluted
earnings per share with basic and diluted earnings per share. Unlike primary
earnings per share, basic earnings per share excludes any dilutive effects of
options, warrants and convertible securities. Diluted earnings per share is very
similar to the previously reported fully diluted earnings per share and is
computed using the weighted average number of shares of common stock outstanding
in the periods presented, adjusted for the effect of dilutive securities on the
balance sheet date. Net income per share for all periods has been presented in
conformance with the requirements of SFAS No. 128 as well as Staff Accounting
Bulletin No. 98 issued by the Securities and Exchange Commission in February
1998.


         Statement of Computation of Weighted Average Shares Outstanding
                      (in thousands except per share data)
                                   (Unaudited)


<TABLE>
<CAPTION>
                                                         Three Months Ended                    Six Months Ended
                                                               June 30,                            June 30,
                                                  -------------------------------      -------------------------------
                                                       1998             1997               1998              1997
                                                  -------------     -------------      -------------     -------------
<S>                                               <C>               <C>                <C>               <C>           
Net income                                        $       1,302     $      (1,378)     $       2,113     $      (1,169)
Weighted average common shares
  outstanding, basic                                     13,298            12,924             13,277            12,428
Add: dilutive stock options and warrants                  1,549                --              1,421                --
                                                  -------------     -------------      -------------     -------------
Weighted average common shares
  outstanding, diluted                                   14,847            12,924             14,698            12,428
Net income per share, basic                       $        0.10     $       (0.11)     $        0.16     $       (0.09)
                                                  =============     =============      =============     =============
Net income per share, diluted                     $        0.09     $       (0.11)     $        0.14     $       (0.09)
                                                  =============     =============      =============     =============
</TABLE>


7.      PREFERRED SHARES PURCHASE RIGHTS DIVIDEND:

On March 9 1998, the Company's Board of Directors approved the establishment of
a rights plan. Pursuant to this plan, the Board of Directors declared a dividend
distribution of one Preferred Shares Purchase Right on each outstanding share of
the Company's Common Stock for shareholders of record on May 8, 1998. Each right
entitles stockholders to buy 1/1000th of a share of the Company's Series A
Participating Preferred Stock at an exercise price of eighty-five dollars
($85.00). The Rights become exercisable following the tenth day after a person
or group announces an acquisition of 20% or more of the Company's Common Stock
or announces commencement of a tender offer the consummation of which would
result in ownership by the person or group of 20% or more of the Common Stock.
The Company is entitled to redeem the Rights at $0.01 per Right at any time on
or before the tenth day following acquisition by a person or group of 20% or
more of the Company's Common Stock.


                                       7


<PAGE>   9
If, prior to redemption of the Rights, a person or group acquires 20% or more of
the Company's Common Stock, each Right not owned by a holder of 20% or more of
the Common Stock will entitle its holder to purchase, at the Right's then
current exercise price, that number of shares of Common Stock of the Company
(or, in certain circumstances as determined by the Board of Directors, cash,
other property or other securities) having a market value at that time of twice
the Right's exercise price. If, after the tenth day following acquisition by a
person or group of 20% or more of the Company's Common Stock, the Company sells
more than 50% of its assets or earning power or is acquired in a merger or other
business combination transaction, the acquiring person must assume the
obligation under the Rights and the Right will become exercisable to acquire
Common Stock of the acquiring person at the discounted price. At any time after
an event triggering exercisability of the Rights at a discounted price and prior
to the acquisition by the acquiring person of 50% or more of the outstanding
Common Stock, the Board of Directors of the Company may exchange the Rights
(other than those owned by the acquiring person or its affiliates) for Common
Stock of the Company at an exchange ratio of one share of Common Stock per
Right.

8.   COMPREHENSIVE INCOME

As of January 1, 1998, the Company adopted SFAS No. 130, Reporting
Comprehensive Income. SFAS No. 130 establishes new rules for the reporting and
display of comprehensive income and its components; however, the adoption of
this statement had no impact on the Company's net income or stockholders'
equity. At present, the only component of comprehensive income for the Company
relates to foreign currency fluctuation adjustments. The components of
comprehensive income for the three and six month periods ended June 30, 1998
and 1997 are as follows:

<TABLE>
<CAPTION>
                                                   Three Months Ended           Six Months Ended
                                                         June 30,                    June 30,
                                                  ---------------------      ----------------------
                                                    1998         1997          1998          1997
                                                  --------     --------      ---------     --------
<S>                                               <C>          <C>            <C>          <C>           
Net Income (loss)                                 $  1,302     $ (1,378)      $  2,113     $ (1,169)
Foreign currency translation adjustments               (57)         306            (36)          55
                                                  --------     ---------      --------     --------
Comprehensive income (loss)                       $  1,245     $ (1,072)      $  2,077     $ (1,114)
                                                  ========     ========       ========     ========
</TABLE>

The components of accumulated other comprehensive income (loss) at June 30,
1998 and December 31, 1997 were $(177) and $(141), respectively.


                                       8


<PAGE>   10
ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITIONS AND
        RESULTS OF OPERATIONS:

The following discussion of the financial condition and results of operations of
Ventana should be read in conjunction with the Condensed Consolidated Financial
Statements and related Notes thereto included elsewhere in this Form 10-Q. This
Report on Form 10-Q contains certain forward-looking statements within the
meaning of Section 27A of the Securities Act of 1933 and Section 21E of the
Securities Exchange Act of 1934. Actual events or results may differ materially
from those anticipated by such forward-looking statements as a result of the
factors described herein and in the documents incorporated herein by reference.
Such forward-looking statements include, but are not limited to, statements
concerning risks associated with the incidence of cancer and cancer screening,
improvements in automated IHC; the ability of the Company to implement its
business strategy; development and introduction of new products by the Company
or other parties; research and development; marketing, sales and distribution;
manufacturing; competition; third-party reimbursement; government regulation;
and operating and capital requirements.

OVERVIEW:

Ventana Medical Systems, Inc. ("Ventana" or "the Company") develops,
manufactures and markets proprietary instrument/reagent systems that automate
immunohistochemistry ("IHC") and in situ hybridization ("ISH") tests for the
analysis of cells and tissues on microscope slides. Each Ventana proprietary
system placed typically provides a recurring revenue stream as customers consume
reagents and supplies sold by the Company for each test conducted. Reagents
consist of two principal components: a primary antibody and a detection
chemistry which is used to visualize the primary antibody. Therefore, the
principal economic drivers for the Company are the number, type and method of
placement of instruments, and the amount of reagents and consumables used by the
customer. The Company's strategy is to maximize the number of instruments placed
with customers and thereby increase its ongoing, higher margin reagent revenue
stream. The Company expects that reagents will comprise a greater proportion of
total revenues in the future as its installed base of instruments increases.

Ventana is a medical device company and, as such, is regulated by the United
States Food and Drug Administration ("FDA"). As a result, the majority of the
Company's products are regulated by FDA regulations which include the 510(k)
pre-market notification ("510(k)") process, pre-market approval ("PMA") process,
good manufacturing procedures ("GMP") and the Clinical Laboratory Improvement
Amendments of 1988 ("CLIA"). See "Certain Factors Which May Affect Future
Results" elsewhere in this report.

In February 1996, Ventana acquired BioTek Solutions, Inc. ("BioTek"), for an
aggregate consideration of $19.1 million, consisting of cash, promissory notes,
and the assumption of liabilities. The transaction was accounted for as a
purchase. The purchase price was allocated between tangible net assets and
intangible assets consisting of developed technology, customer list, goodwill
and in-process research and development.


                                       9


<PAGE>   11
As a result of the merger, the Company assumed certain contractual obligations
and contingent liabilities including contractual arrangements with DAKO A/S
("DAKO"), Curtin Matheson Scientific, Inc. (a subsidiary of Fisher Scientific,
Inc.) ("CMS"), Kollsman Manufacturing Company, Inc. ("Kollsman") and LJL
BioSystems, Inc. ("LJL"). BioTek used CMS and DAKO as third-party distributors
in the United States and international markets, respectively, and supported its
United States sales efforts with field sales and technical support personnel. As
a result, BioTek experienced lower gross margins on United States sales than if
it had sold its products directly as well as a higher level of selling expense
than typically incurred in conjunction with third-party distribution
arrangements. BioTek's instruments also use a detection chemistry and batch
processing approach which differ from the Company's proprietary system and which
also contribute to those products' lower margins. Ventana's strategy regarding
BioTek has been to integrate the operations of BioTek into the Ventana business
model, in which most manufacturing, sales and marketing activities are performed
by the Company. The United States distribution agreement between BioTek and CMS
was terminated by mutual agreement in October 1997. The international
distribution agreement with DAKO was amended and restated in May 1998 and
provides for exclusive distribution of TechMate instruments by DAKO in defined
geographic areas until the earlier of December 31, 1999 or when DAKO introduces
a competitive product.

The Company places instruments through direct sales, including nonrecourse
leases, instrument rentals and the Company's qualified reagent installed base
program ("QRIB"). In a QRIB, the Company provides the customer with the use of
an instrument for a period of up to six months provided the customer purchases a
minimum amount of reagents and consumables. At the end of the six month period,
the customer must elect to purchase, rent or return the system. For QRIB
placements, the Company incurs the cost of manufacturing or procuring
instruments and recognizes revenues only at the time the instrument is either
sold or rented rather than at the time of instrument placement. The
manufacturing cost of instruments placed through QRIBs and rentals is charged to
cost of goods sold by depreciating standard costs over a period of four years.

The Company's future results of operations may fluctuate significantly from
period to period due to a variety of factors. The initial placement of an
instrument is subject to a longer, less consistent sales cycle than the sales of
reagents, which begin and typically are recurring once an instrument is placed.
The Company's operating results in the future are likely to fluctuate
substantially from period to period because instrument sales are likely to
remain an important part of revenues in the near future. The degree of
fluctuation will depend on the timing, level and mix of instruments placed
through direct sales and instruments placed through QRIBs or rentals. In
addition, average daily reagent use by customers may also fluctuate from period
to period, which may contribute to future fluctuations in revenues. Sales of
instruments may also fluctuate from period to period because sales to the
Company's international distributors typically provide such distributors with
several months of instrument inventory, which the distributors will subsequently
seek to place with end-users. The Company's instrument installed base includes
instruments shipped to DAKO and recognized as sales. Furthermore, due both to
the Company's increased sales focus on smaller hospitals and laboratories and
the relatively high reagent sales growth rates in recent fiscal periods, the
rate of growth in reagent sales in future periods is likely to be below that
experienced during the past several fiscal periods. Other factors that may
result in fluctuations in operating results include the timing of new product
announcements and the introduction of new products and new technologies by the
Company and 


                                       10


<PAGE>   12
its competitors, market acceptance of the Company's current or new products,
developments with respect to regulatory matters, availability and cost of raw
materials purchased from suppliers, competitive pricing pressures, increased
sales and marketing expenses associated with the implementation of the Company's
market expansion strategies for its instruments and reagent products, and
increased research and development expenditures. Future instrument and reagent
sales could also be adversely affected by the configuration of the Company's
patient priority systems, which require the use of the Company's detection
chemistries, particularly if and to the extent that competitors are successful
in developing and introducing new IHC instruments or if competitors offer
reagent supply arrangements having pricing or other terms more favorable than
those offered by the Company. Such increased competition in reagent supply could
also adversely affect sales of reagents to batch processing instrument customers
since those instruments do not require the use of the Company's reagents. In
connection with future introductions of new products, the Company may be
required to incur charges for inventory obsolescence in connection with unsold
inventory of older generation products. To date, however, the Company has not
incurred material charges or expenses associated with inventory obsolescence in
connection with new product introductions. In addition, a significant portion of
the Company's expense levels is based on its expectation of higher levels of
revenues in the future and is relatively fixed in nature. Therefore, if revenue
levels are below expectations, operating results in a given period are likely to
be adversely affected.


RESULTS OF OPERATIONS:

THREE AND SIX MONTHS ENDED JUNE 30, 1998 AND 1997:

Net Sales:

Net sales for the three and six months ended June 30, 1998 as compared to the
same periods in 1997 increased 55% and 52% to $11.6 million and $21.9 million
from $7.5 million and $14.4 million, respectively. The increase in net sales was
attributable to an 99% and 91% increase in instrument sales for the three and
six month periods and 40% and 38% increases in reagent and other sales for the
three and six month periods. Instrument sales increased in both periods
primarily due to large numbers of 1997 QRIB placements being converted to direct
sales in 1998. Reagent and other sales increased due to sales of reagents to new
customers and increased shipments to existing customers.

Gross Margin:

Gross profit for the three and six months ended June 30, 1998 increased to $8.1
million and $15.0 million, respectively, from $4.7 million and $8.9 million for
the same periods in 1997, and the Company's gross margin for the three and six
month periods increased to 70% and 68% from 63% and 62% for the prior year
periods. Gross margins on instruments increased during the 1998 periods as a
result of sales of the Company's NexES instrument, which was introduced in late
1997 and which has a lower manufacturing cost than its predecessor. Gross
margins on reagent and other sales increased in the 1998 periods primarily due
to a higher mix of proprietary reagent products, which carry a higher margin
than batch processing reagents. In addition, higher pricing for reagents and
increased service profitability contributed to the margin improvements.


                                       11


<PAGE>   13
Research and Development:

Research and development expenses were $1.4 million for the three months ended
June 30, 1998, and $2.6 million for the six months ended June 30, 1998. These
amounts represent a 95% increase for the three month period and an 80% increase
for the six month period over the respective periods of the prior year. The
increases resulted primarily from accelerated development work on new special
stains and in situ hybridization instrumentation, but also reflected a general
increase in research activity and headcount investment. Research and development
expenses also increased as a percent of sales to approximately 12% for the both
1998 periods compared to approximately 10% for the same periods during 1997, for
the reasons noted above.

Selling, General and Administrative ("SG&A"):

Presented below is a summary of SG&A expense for the three and six months ended
June 30, 1998 and 1997.

 SG&A SUMMARY:


<TABLE>
<CAPTION>
                                     Three Months Ended                               Six Months Ended
                                           June 30,                                        June 30,
                        --------------------------------------------      --------------------------------------------
                                1998                     1997                    1998                      1997
                        -------------------      -------------------      -------------------      -------------------
                                       %                        %                        %                         %
                            $        Sales          $         Sales            $       Sales           $        Sales
                        -------------------      -------------------      -------------------      -------------------
                                                              ($ in thousands)
<S>                     <C>          <C>         <C>          <C>         <C>          <C>         <C>          <C>
Sales and marketing     $ 4,360          38%     $ 2,747          37%     $ 8,211          37%     $ 5,197          36%
Administration            1,187          10%         883          12%       2,310          11%       1,811          13%
                        -------------------      -------------------      -------------------      -------------------
  Total SG&A            $ 5,547          48%     $ 3,630          49%     $10,521          48%     $ 7,008          49%
                        ===================      ===================      ===================      ===================
</TABLE>


SG&A expense for the three month and six months ended June 30, 1998 increased to
$5.5 and $10.5 million from $3.6 million and $7.0 million for the three and six
months ended June 30, 1997, respectively. SG&A expense as a percentage of net
sales decreased slightly for both 1998 periods to 48% as compared to 49% for
both periods in 1997. The fluctuation in SG&A expenses from period to period
reflects the growth of Ventana's sales and marketing organization to facilitate
its market expansion strategy and a corresponding increase in infrastructure
expenses to support a larger business base. The growth in sales and marketing
expense in absolute terms is a function of the Company's decision to service the
market through its own sales and marketing staff. In addition, increased sales
volumes contributed to the increase as the Company increased its sales and
marketing staff to support sales growth. As a percentage of sales, sales and
marketing expenses were approximately equal during the 1997 and 1998 periods.
The decline in administrative expenses as percentage of sales in the 1998
periods was due to a relative decline in litigation-related expenses. However,
administrative expenses did increase in absolute terms due primarily to the
Company's expanding business base in Europe and Japan.

Amortization of Intangibles:

Intangible assets consist primarily of goodwill, customer base and developed
technology resulting from the BioTek acquisition, and patents. Such assets are
amortized to expense over 


                                       12


<PAGE>   14
estimated useful lives of 15 to 20 years. As a result, the Company will charge
to expense each quarter approximately $0.1 million for the amortization of these
intangible assets. Additionally, the Company will review the utility of these
assets each quarter to assess their continued value. Should the Company
determine that any of these assets are impaired, it will write them down to
their estimated fair market value.

LIQUIDITY AND CAPITAL RESOURCES:

As of June 30, 1998 the Company's principal source of liquidity consisted of
cash and cash equivalents of $19.2 million. The Company also had a $5 million
revolving bank credit facility and no borrowings outstanding thereunder as of
June 30, 1998. As of June 30, 1998, a $0.5 million letter of credit had been
issued to facilitate certain contract manufacturing arrangements for the
production of TechMate instruments, leaving an available revolving credit
facility of approximately $4.5 million. Borrowings under the Company's bank
credit facility are secured by a pledge of substantially all of the Company's
assets and bear interest at the bank's prime rate.

On February 18, 1997, the Company completed a public offering of its Common
Stock resulting in net proceeds of $26.1 million to the Company. During February
1997, the Company repaid the $10.3 million of outstanding notes issued in
connection with the acquisition of BioTek. Such repayment was made in accordance
with the provisions of the Notes which provided that no interest would be due
and payable thereon if full repayment was made prior to February 26, 1997.
Accrued interest of $0.6 million was reversed into income in February 1997.

The Company expects to use approximately $3.0 million of its available resources
during the next twelve months for expenditures to increase manufacturing
capacity and to enhance to its business application computer hardware and
software resources. The Company anticipates that its remaining capital resources
will be used for working capital and general corporate purposes. Pending such
uses, the Company intends to invest its cash resources in short-term, interest
bearing, investment grade securities.

During the six months ended June 30, 1998 the Company used for operations and
investing activities approximately $1.2 million, which was the same amount used
in the six months ended June 30, 1997.

In connection with BioTek's agreement with DAKO, DAKO made two loans to BioTek
secured by a pledge of substantially all of BioTek's assets. DAKO also made
prepayments on future instrument sales and reagent royalties to BioTek. These
loans and prepayments were used to fund TechMate 250 instrument development and
working capital requirements. In May 1998, the Company and DAKO entered into an
amended and restated distribution agreement for the purpose of addressing
several matters including the pricing dispute for the TechMate 250. The new
agreement provides for the aggregate amount of the negotiated reduction in the
TechMate price to be added to the BioTek debt to DAKO and for the entire debt to
be unsecured. The restated debt, which at June 30, 1998 was included as long
term debt in the Company's Condensed Consolidated Financial Statements in the
amount of $1.6 million, accrues interest at 7% per annum payable quarterly
commencing January 1, 2000. Principal payments on the debt are to be made in 16
quarterly installments, also starting January 1, 2000.


                                       13


<PAGE>   15
The Company believes that its existing capital resources, together with cash
generated from product sales and available borrowing capacity under its bank
credit facilities will be sufficient to satisfy its working capital requirements
for the foreseeable future. The Company's future capital requirements will
depend on many factors, including the extent to which the Company's products
gain market acceptance, the mix of instruments placed through direct sales or
rentals, progress of the Company's product development programs, competing
technological and market developments, expansion of the Company's sales and
marketing activities, the cost of manufacturing scale up activities, possible
acquisitions of complementary businesses, products or technologies, the extent
and duration of operating losses and the timing of regulatory approvals. The
Company may be required to raise additional capital in the future through the
issuance of either debt instruments or equity securities, or both. There is no
assurance that such capital will be available to the extent required or on terms
acceptable to the Company, or at all.

CERTAIN FACTORS WHICH MAY AFFECT FUTURE RESULTS:

The following discussion of the Company's risk factors should be read in
conjunction with the foregoing Management Discussion and Analysis of financial
condition and results of operations and the Company's financial statements and
related notes thereto. Because of these and other factors, past financial
performance should not be considered an indication of future performance.

FUTURE FLUCTUATIONS IN OPERATING RESULTS. The Company derives revenues from the
sale of instruments and reagents through its direct sales force and certain
international distributors.

The initial placement of an instrument is subject to a longer, less consistent
sales cycle than the sale of reagents, which begin and are typically recurring
once the instrument is placed. Consequently, the Company's future operating
results are likely to fluctuate substantially from period to period because
instrument sales are likely to remain an important part of revenues in the near
future. The degree of fluctuation will depend on the timing, level and mix of
instruments placed through direct sale versus QRIBs and rentals. In addition,
average daily reagent use by customers may fluctuate from period to period,
which may contribute to future fluctuations in revenues. In particular,
customers who have received instruments under rental arrangements do not
necessarily provide for specified reagent purchase commitments and there can be
no assurance regarding the timing or volume of reagent purchases by such
customers. Furthermore, customers that have entered into agreements may cancel
those agreements. Accordingly, there can be no assurance regarding the level of
revenues that will be generated by customers procuring instruments through
rental arrangements; therefore, the Company's business, financial condition and
results of operations could be materially and adversely affected.

RATE OF MARKET ACCEPTANCE AND TECHNOLOGICAL CHANGE. Use of the Company's
automated systems to perform diagnostic tests is becoming increasingly accepted
as a replacement for tests performed manually by laboratory personnel. The rate
of market acceptance of the Company's products will be largely dependent on the
Company's ability to 


                                       14


<PAGE>   16
persuade the medical community of the benefits of automated diagnostic testing
using the Company's products. Market acceptance and sales of the Company's
products may also be affected by the price and quality of its products. The
Company's products could also be rendered obsolete or noncompetitive by virtue
of technological innovations in the fields of cellular or molecular diagnostics.

RISKS ASSOCIATED WITH DEVELOPMENT AND INTRODUCTION OF NEW PRODUCTS. The
Company's future growth and profitability will be dependent, in large part, on
its ability to develop, introduce and market new instruments and reagents used
in diagnosing and selecting treatment for cancer and other disease states. The
Company depends, in part, on the success of medical research in developing new
antibodies, nucleic acid probes and clinical diagnostic procedures that can be
adapted for use in the Company's systems. In addition, the Company will need to
obtain licenses, on satisfactory terms, for certain technologies, which cannot
be assured. Certain of the Company's products are currently under development,
initial testing or preclinical or clinical evaluation by the Company. Other
products are scheduled for future development. Products under development or
scheduled for future development may prove to be unreliable from a diagnostic
standpoint, may be difficult to manufacture in an efficient manner, may fail to
receive necessary regulatory clearances may not achieve market acceptance or may
encounter other unanticipated difficulties.

COMPETITION. Competition in the diagnostic industry is intense and is expected
to increase. Competition in the diagnostic industry is based on, among other
things, product quality, price and the breadth of a company's product offerings.
The Company's systems compete both with products manufactured by competitors and
with traditional manual diagnostic procedures. The Company's competitors may
succeed in developing products that are more reliable or effectively less costly
than those developed by the Company and may be more successful than the Company
in manufacturing and marketing their products.

MANUFACTURING RISKS. The Company has manufactured patient priority instruments
and reagents for commercial sale since late 1991. Manufacturing of the Company's
batch processing instruments is performed by third parties. As the Company
continues to increase production of such instruments and reagents and develops
and introduces new products, it may, from time to time, experience difficulties
in manufacturing. The Company must continue to increase production volumes of
instruments and reagents, in a cost effective manner, in order to be profitable.
To increase production levels, the Company will need to scale-up its
manufacturing facilities, increase its automated manufacturing capabilities and
continue to comply with current GMP regulations prescribed by the FDA and other
standards prescribed by various federal, state and local regulatory agencies in
the United States and other countries, including the International Standards
Organization ("ISO") 9000 Series certifications.

DEPENDENCE ON KEY SUPPLIERS. The Company's instruments and reagent products are
formulated from chemicals, biological materials and parts utilizing proprietary
Ventana technology as well as standard processing techniques. Certain
components, raw materials and primary antibodies, used in the manufacturing of
the Company's reagent products, are currently provided by single source vendors.
There can be no assurance that the materials or parts or needed by the Company
will be available in commercial quantities, at acceptable prices, or at all. Any
supply interruption or related yield problems encountered in the use of
materials from these vendors could have a material adverse effect on the
Company's ability to manufacture its products until, or if, a new source of
supply is obtained.


                                       15


<PAGE>   17
DEPENDENCE UPON THIRD PARTY MANUFACTURERS FOR BATCH PROCESSING INSTRUMENTS. The
Company relies on two outside parties to manufacture its batch processing
instruments. There can be no assurance that these manufacturers will be able to
meet the Company's product needs in a satisfactory, cost effective or timely
manner. The Company's reliance on third-party manufacturers involves a number of
risks, including the absence of guaranteed capacity, reduced control over
delivery schedules, quality assurance issues and costs. The amount and timing of
resources to be devoted to these activities by such manufacturers are not within
the control of the Company, and there can be no assurance that manufacturing
problems will not occur in the future.

RISKS ASSOCIATED WITH DISTRIBUTION RELATIONSHIPS. The Company's batch processing
instruments and reagents have been sold under distribution agreements entered
into by BioTek. In the United States, batch processing instruments and reagents
were sold through Curtin Matheson Scientific, Inc. a subsidiary of Fisher
Scientific, Inc. ("CMS"), under an exclusive agreement until it was terminated
by mutual agreement in October 1997. United States sales through CMS were
subject to several operating conditions and risks. In particular, it had been
historically necessary for BioTek to support the efforts of CMS with direct
field sales and support personnel. As a result, the Company generated lower
gross margins on sales through CMS that it would generate were it to sell
directly to end-users and incurs higher selling expenses than typically
associated with third-party distribution arrangements. The Company has been
distributing all batch processing products directly to end-users in the United
States since the termination of this agreement.

In Europe and certain other territories, batch processing instruments are sold
through DAKO, which also pays BioTek a fixed dollar royalty for each instrument
in service in exchange for the right to sell its own reagents for use with such
systems. The agreement with DAKO provides DAKO with exclusive distribution
rights for batch processing instruments in Europe and other territories. The
exclusive distribution right expires on the earlier of the date of DAKO's own
product introduction or December 31, 1999. The Company does not anticipate
generating from DAKO significant sales of batch processing instruments through
the expiration date of this agreement.

RISKS ASSOCIATED WITH ACQUISITIONS. In February 1996 the Company acquired
BioTek. Although the Company has no pending agreements or commitments, the
Company may make additional acquisitions of complementary technologies or
products in the future. Acquisitions of companies, divisions of companies, or
products entail risks, including: (i) the potential inability to successfully
integrate acquired operations and products or to realize anticipated synergies,
economies of scale or other value, (ii) diversion of management's attention,
(iii) loss of key employees of acquired operations and (iv) large one-time
write-off and similar accounting changes including amortization of acquired
goodwill. No assurance can be given that the Company will not incur problems in
integrating BioTek's operations or any future acquisition and there can be no
assurance that the acquisition of BioTek, or any future acquisition, will result
in the Company becoming profitable or, if the Company achieves profitability,
that such acquisition will increase the Company's profitability. Furthermore,
there can be no assurance that the Company will realize value from any such
acquisition which equals or exceeds the consideration paid.


                                       16


<PAGE>   18
RISKS RELATING TO PATENTS AND PROPRIETARY RIGHTS. The Company's success depends,
in part, on its ability to obtain patents, maintain trade secret protection and
operate without infringing on the proprietary rights of others. There can be no
assurance that the Company's patent applications will result in patents being
issued or that any issued patents will provide protection against competitive
technologies or will be held valid if challenged. Others may independently
develop products similar to those of the Company or design around or otherwise
circumvent patents issued by the Company. In the event that any relevant claims
of third-party patents are upheld as valid and enforceable, the Company could be
prevented from practicing the subject matter claimed in such patents, or would
be required to obtain licenses from the patent owners of each of such patents or
to redesign its products or processes to avoid infringement. There can be no
assurance that such licenses would be available or, if available, would be on
terms acceptable to the Company or that the Company would be successful in any
attempt to redesign its products or processes to avoid infringement. If the
Company does not obtain necessary licenses, it could be subject to litigation
and encounter delays in product introductions while it attempts to design around
such patents. Alternatively, the development, manufacture or sale of such
products could be prevented. Litigation which could result would result in
significant cost to the Company as well as diversion of management time.

UNCERTAINTY OF FUTURE FUNDING OF CAPITAL REQUIREMENTS. The Company anticipates
that its existing capital resources will be adequate to satisfy its capital
requirements through at least the next 18 months. The Company's future capital
requirements will depend on many factors, including the extent to which the
Company's products gain market acceptance, the mix of instruments placed through
direct sales, QRIBs or rentals, progress of the Company's product development
programs, competing technological and market developments, expansion of the
Company's sales and marketing activities, the cost of manufacturing scale up
activities, possible acquisitions of complementary businesses, products or
technologies, the extent and duration of operating losses and timing of
regulatory approvals. The Company may require additional capital resources and
there is no assurance such capital will be available to the extent required, on
terms acceptable to the Company, or at all. Any such future capital requirements
would result in the issuance of equity securities which could be dilutive to
existing stockholders.

DEPENDENCE ON KEY PERSONNEL. The Company is dependent upon the retention of
principal members of its management, scientific, technical, marketing and sales
staff and the recruitment of additional personnel. The Company does not maintain
"key person" life insurance on any of its personnel. The Company competes with
other companies, academic institutions, government entities and other
organizations for qualified personnel in the areas of the Company's activities.
The inability to hire or retain qualified personnel could have material adverse
effect on the Company's business, financial condition and results of operations.

UNCERTAINTY RELATED TO GOVERNMENT FUNDING. A portion of the Company's products
are sold to universities, research laboratories, private foundations and other
institutions where funding is dependent upon grants from government agencies,
such as the National Institutes of Health. However, research funding by the
government may be significantly reduced under several budget proposals under
consideration in the United States Congress, or for other reasons. Any such
reduction may materially affect the ability of the Company's research customers
to purchase the Company's products.

FDA AND OTHER GOVERNMENT REGULATIONS. The manufacturing, marketing and sale of
the Company's products are subject to extensive and rigorous government
regulations in the 


                                       17


<PAGE>   19
United States and other countries. In the United States, and certain other
countries, the process of obtaining and maintaining required regulatory
approvals is lengthy, expensive and uncertain. In the United States, the FDA
regulates, as medical devices, clinical diagnostic tests and reagents, as well
as instruments used in the diagnosis of adverse conditions. The Federal Food,
Drug and Cosmetic Act governs the design, testing, manufacture, safety,
efficacy, labeling, storage, record keeping, approval, advertising and promotion
of the Company's products. There are two principal FDA regulatory review paths
for medical devices: 510(k) process and the PMA process. The PMA process
typically requires the submission of more extensive clinical data and is
costlier and more time-consuming to complete than the 510(k) process. Regulators
of medical devices in foreign countries where the Company operates have
regulations similar to the United States in most cases. Additionally, the
Company is required to comply with the FDA's good manufacturing procedures
regulations. These regulations mandate certain operating, control and
documentation procedures when manufacturing medical products, instruments and
devices.

The Company is also required to comply with the FDA's Clinical Laboratory
Improvement Amendments of 1988 ("CLIA") regulations. These rules restrict the
sale of reagents to clinical laboratories certified under CLIA. The full
implementation of CLIA rules could limit the clinical customers to which the
Company could sell reagents in the future.

In addition to these regulations, the Company is subject to numerous federal,
state and local laws and regulations relating to such matters as safe working
conditions and environmental matters. There can be no assurance that such laws
and regulations will not in the future have a material adverse effect on the
Company's business, financial condition and results of operations.

RISKS RELATING TO AVAILABILITY OF THIRD-PARTY REIMBURSEMENT AND POTENTIAL
ADVERSE EFFECTS OF HEALTH CARE REFORM. The Company's ability to achieve revenue
growth and profitability may depend on the ability of the Company's customers to
obtain adequate levels of third-party reimbursement for the use of certain
diagnostic tests in the United States, Europe and other countries. Currently,
availability of third-party reimbursement is limited and uncertain for some IHC
tests.

PRODUCT LIABILITY AND RECALL; PRODUCT LIABILITY INSURANCE. The marketing and
sales of the Company's diagnostic instruments and reagents entails risk of
product liability claims. The Company has product liability insurance coverage
with a per occurrence maximum of $1.0 million and an aggregate annual maximum of
$10.0 million. There can be no assurance that this level of insurance coverage
will be adequate or that insurance coverage will continue to be available on
acceptable terms, or at all. A product liability claim or recall could have a
material adverse effect on the Company's business, reputation, financial
condition and results of operations.

ENVIRONMENTAL MATTERS. Certain of the Company's manufacturing processes,
primarily processes involved in manufacturing certain of the Company's reagent
products, require the use of potentially hazardous and carcinogenic chemicals.
The Company is required to comply with applicable federal, state and local laws
regarding the use, storage and disposal of such materials. The Company currently
uses third-party disposal services to remove and dispose of the hazardous
materials used in the processes. The Company could, in the future, encounter
claims from individuals, governmental authorities or other persons or entities
in connection with exposure to, disposal or handling of such hazardous materials
or violations of environmental 


                                       18


<PAGE>   20
laws by the Company or its contractors and could also be required to incur
additional expenditures for hazardous materials management or environmental
compliance. Costs associated with environmental claims, violations of
environmental laws or regulations, hazardous materials management and compliance
with environmental laws could have a material adverse effect on the business,
financial condition and results of operations of the Company.

POSSIBLE VOLATILITY OF STOCK PRICE. The market price of the Company's Common
Stock, similar to the securities of other medical device and life sciences
companies, is likely to be highly volatile. Factors such as fluctuations in the
Company's operating results, announcements of technological innovations or new
products by the Company or its competitors, FDA and other governmental
regulations, developments with respect to patents or proprietary rights, public
concern as to the safety of products developed by the Company or others, changes
in financial analysts' estimated earnings or recommendations regarding the
Company and general market conditions may have a material adverse effect on the
market price of the Company's Common Stock. The Company's results of operations
may, in future periods, fall below the expectations of public market analysts
and investors and, in such event, the market price of the Company's Common Stock
could be materially and adversely affected.

ABSENCE OF DIVIDENDS. The Company has not declared or paid any cash dividends
since its inception and does not intend to pay any cash dividends in the
foreseeable future. In addition, the Company's bank credit agreement currently
prohibits the Company from paying cash dividends.

READINESS FOR THE YEAR 2000. The Company has developed a plan to modify its
information technology to recognize the year 2000 and has begun converting
critical data processing systems. The Company currently expects the project to
be substantially complete by the fourth quarter of 1998. The cost of this
project will be immaterial and the Company does not expect it to have a
significant effect on operations. The Company will continue to implement systems
with strategic value and has started to implement a major upgrade of its
management information systems which is expected to be completed by early 1999.
In addition, the Company is initiating formal communications with significant
suppliers and customers to determine the extent of which the Company's interface
systems are vulnerable to those third parties' failure to remediate their own
Year 2000 issues. There is no guarantee that the systems of other companies on
which the Company's systems rely will be timely converted and would not have an
adverse effect on the Company's operations.


                                       19


<PAGE>   21
PART II - OTHER INFORMATION

ITEM 1.   LEGAL PROCEEDINGS.

In March 1995, BioGenex Laboratories sued BioTek in the U.S. District Court for
the Northern District of California for infringement of certain patent rights
held by BioGenex relating to an antigen retrieval method used in IHC tests.
BioGenex's claims included claims of both direct, indirect and contributory
infringement. BioTek denied infringement and asserted several defenses,
including the invalidity of the patent. In April 1995, BioTek ceased offering
the products that were the subject of the alleged infringement. In May 1997, a
judgment for approximately $850,000 was rendered against BioTek, which BioTek
appealed. In April 1998, the Court of Appeals denied the appeal and the Company
promptly satisfied all obligations stemming from the judgment.

In January 1997, four individuals who are former BioTek noteholders who held in
the aggregate approximately $1.1 million in principal amount of BioTek notes
filed an action, Tse, et al v. Ventana Medical Systems, Inc., et al. No. 97-37,
against the Company and certain of its directors and stockholders in the U.S.
District Court for the District of Delaware. The complaint alleges, among other
things, that the Company violated federal and California securities laws and
engaged in common law fraud in connection with the BioTek shareholders' consent
to the February 1996 merger of BioTek into Ventana and the related conversion of
BioTek notes into Ventana notes. Plaintiffs seek substantial compensatory
damages several times in excess of the principal amount of their BioTek notes,
as well as substantial punitive damages, fees and costs. On April 25, 1997,
plaintiffs filed an amended complaint. The amended complaint makes the same
allegations as the original complaint and adds a claim under North Carolina
securities laws. In May 1997, the Company made a motion to transfer the action
to the district of Arizona, or alternatively to the Central District of
California, which was denied by the Court. On December 16, 1997, the Company
filed a motion to dismiss the amended complaint, which motion is pending in the
Court. There is currently a stay of discovery while the motion to dismiss is
pending. Based on the facts known to date, the Company believes the claims are
without merit and intends to vigorously contest this suit. After consideration
of the nature of the claims and the facts relating to the merger and the BioTek
note exchange, the Company believes that it has meritorious defenses to the
claims and that resolution of this matter will not have a material adverse
effect on the Company's business, financial condition and results of operations;
however, the results of the proceedings are uncertain and there can be no
assurance to that effect.

On July 16, 1997, a shareholder demand to review and copy corporate documents
pursuant to Section 220 of the Delaware General Corporation Law was denied by
the Company. As a result, as action entitled, , CA. Leung v. Ventana Medical
Systems, Inc., No. 15812, was filed in the Court of Chancery for the State of
Delaware. The plaintiff, which is related to the plaintiffs in the securities
action discussed in the preceding paragraph, seeks inspection of certain books
and records of the Company. The Company believes the plaintiff seeks the
documents for an improper purpose and intends to defend this case vigorously. A
trial on March 3, 1998 resulted in the judge ordering the parties to reach an
agreement without a court order. The agreement provides only for the plaintiff's
attorney to review the corporate documents supplied.

In connection with a disagreement as to which price should be charged by BioTek
to DAKO for the sale of TechMate 250 instruments, DAKO filed an arbitration
request with the International Chamber of Commerce in July 1997. The arbitration
was scheduled for October 1998. The 


                                       20


<PAGE>   22
parties entered into an agreement in May 1998 which resulted in a resolution of
the pricing dispute and termination of the arbitration proceeding.

The Company has received notices of various claims from certain former
employees. In particular, a lawsuit was filed by a former employee in May 1998
against the Company alleging sexual discrimination and associated claims. Based
on its review of the matter, the Company does not believe that the resolution of
these claims will have a material adverse effect on the Company's business,
financial condition or results of operations.

Other than the foregoing proceedings, the Company is not a party to any material
pending litigation.

ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

The annual meeting of stockholders of the Company was held on April 30, 1998,
for the purpose of electing two Class II directors, Edward M. Giles and Rex J.
Bates, increasing the number of shares reserved for issuance under the 1996
Stock Option Plan, approving the appointment of auditors and transacting any
other business that might be brought forth. Proxies for the meeting were
solicited pursuant to section 14(a) of the Securities and Exchange Act of 1934
and there were no solicitations in opposition to management's solicitations.

Management's nominees for Class II directors, as listed in the proxy statement
were elected with the following vote:


<TABLE>
<CAPTION>
                         Shares           Shares        Shares
                       voted "for"      "withheld"    not voted
                       ----------        -------      ---------
<S>                    <C>              <C>           <C>      
Edward M. Giles        10,814,920        354,230      2,089,631
Rex J. Bates           10,812,412        356,738      2,089,631
</TABLE>

The amendment to the Company's 1996 Stock Option Plan to increase the number of
shares of common stock reserved for issuance thereunder by 750,000 shares to a
new total of 1,750,000 was approved by the following vote:


<TABLE>
<CAPTION>
             Shares           Shares              Shares        Shares
          voted "for"     voted "against"      "abstaining"    not voted
          -----------     ---------------      ------------    ---------
<S>                       <C>                  <C>             <C>
           8,556,119           750,547            12,377       3,939,738
</TABLE>


The appointment of Ernst & Young, LLP as independent auditors was approved by
the following vote:


<TABLE>
<CAPTION>
           Shares                 Shares          Shares       Shares
         voted "for"         voted "against"   "abstaining"   not voted
         -----------         ---------------   ------------   ---------
<S>                          <C>               <C>            <C>
         11,162,556               1,800           4,794       2,089,631
</TABLE>

No other matters were submitted for vote.


                                       21


<PAGE>   23

ITEM 6.   EXHIBITS AND REPORTS ON FORM 8-K

           (a)  Exhibits

<TABLE>
                <S>       <C>
                10.1(e)   Amended and Restated Distribution Agreement
                          with DAKO dated May 18, 1998.

                27.1      Financial Data Schedule.
</TABLE>

           (b) Reports on Form 8-K.

               No reports were filed on Form 8-K during the quarter ended 
               June 30, 1998.


                                       22


<PAGE>   24
                                    SIGNATURE




Pursuant to the requirements of the securities and Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

                                Ventana Medical Systems, Inc.



Date:   August 13, 1998         By: /s/ Pierre Sice
                                  ---------------------------
                                   Pierre Sice
                                   Vice President, Chief Financial Officer,
                                   Treasurer and Secretary. ( Principal
                                   Financial and Accounting Officer)


                                       23


<PAGE>   25
                               INDEX TO EXHIBITS
 


<TABLE>
<CAPTION>


Exhibit
Number                            Description
- ------                            -----------
<S>                          <C> 

10.1(e)                      Amendend and Restated Distribution Agreement
                             with DAKO dated May 18, 1998.

27.1                         Financial Data Schedule
</TABLE>





                                       

<PAGE>   1
                                                                 EXHIBIT 10.1(e)




                              AMENDED AND RESTATED
                             DISTRIBUTION AGREEMENT


         THIS AMENDED AND RESTATED DISTRIBUTION AGREEMENT is made and entered
into as of this 18TH day of May, 1998, by and between BIOTEK SOLUTIONS, INC., a
corporation organized under the laws of the state of California, hereinafter
referred to as "BioTek", VENTANA MEDICAL SYSTEMS, INC., a corporation organized
under the laws of the State of Delaware, hereinafter referred to as "Ventana"
and DAKO A/S, a company organized under the laws of the Kingdom of Denmark,
hereinafter referred to as "DAKO."

         WHEREAS, DAKO and BioTek are parties to that certain distribution
agreement dated September 27, 1994, as amended by the First Amendment to
Distribution Agreement dated March 24, 1995 and the Second Amendment to
Distribution Agreement dated September 25, 1996, to which Ventana is also a
party (the "Distribution Agreement"); and

         WHEREAS, BioTek, Ventana and DAKO desire to amend and restate the
Distribution Agreement as set forth in this document (hereinafter, this
"Agreement" shall refer to the Distribution Agreement, as amended and restated
herein); and

         WHEREAS, DAKO has commenced arbitration proceedings against BioTek and
Ventana, International Chamber of Commerce case number 9695/AMW (the
"Arbitration"), and the parties desire to resolve the disputes subject to
Arbitration and any other disputes between them as provided in this Agreement.

         NOW, THEREFORE, in consideration of the respective covenants of the
parties herein set forth, and other good and valuable consideration, the receipt
and sufficiency of which are acknowledged, the parties hereto do promise and
agree as follows:

         1. DEFINITIONS. Certain of the terms used in this Agreement shall be
defined as follows:

                  "Accessories" means software, trays, slides, and pads for use
         in the operation of the Instruments, and Reagents marketed by BioTek.

                  "Accessories Term" means the period commencing on the date of
         this Agreement and ending on the earlier to occur of (i) the occurrence
         of a DAKO Default; or (ii) 5:00 pm (New York City time) on the fifth
         (5th) anniversary of the date of this Agreement.

                  "BioTek Installed Base" means those Instruments located in the
         United States which were sold, leased or otherwise supplied to the user
         thereof by BioTek or Ventana or an affiliate of or distributor of
         BioTek or Ventana on or prior to the date of this Agreement or at any
         time thereafter.

<PAGE>   2

                  "COLA Adjustment Factor" means 105% with respect to
         Accessories and 107% with respect to Parts.

                  "DAKO Corporation" means DAKO Corporation, a California
         corporation and a wholly-owned subsidiary of DAKO.

                  "DAKO Default" means the termination by BioTek of this
         Agreement as the result of the occurrence with respect to DAKO of an
         event described in Section 7, below.

                  "DAKO Installed Base" means those Instruments located in the
         Territory which were sold, leased or otherwise supplied to the user
         thereof by DAKO or an affiliate of DAKO or a distributor appointed by
         DAKO or an affiliate of DAKO on or prior to the date of this Agreement
         or at any time thereafter.

                   "Exclusivity Period" means the period commencing on the date
         of this Agreement and ending on the earlier to occur of (i) the date
         DAKO has offered for sale in any part of the Territory an automated
         slide staining instrument competitive with the Instruments, or any of
         them; (ii) the occurrence of a DAKO Default; or (iii) December 31,
         1999.

                   "First Installation Date" means the date DAKO (or its
         affiliate or a distributor of DAKO or its affiliate) first invoices its
         customer for accessories or reagents for use on an Instrument after
         that Instrument becomes operational at a customer location.

                  "Instruments" shall mean the TechMateTM brand of automated
         slide staining instruments manufactured by or for BioTek, which
         instruments are identified by BioTek as TechMate 250TM, TechMate 500TM
         and TechMate 1000TM Instruments.

                  "Parts" means parts used to repair Instruments.

                  "Parts Term" means the period commencing on the date of this
         Agreement and ending on the earlier to occur of (i) the occurrence of a
         DAKO Default; or (ii) 5:00 pm (New York City time) on the seventh (7th)
         anniversary of the date of this Agreement.

                  "Products" means the Accessories, Instruments and Parts.

                  "Reagents" means liquid chemicals consisting of primary
         antibodies, detection chemistries, hematoxylin and buffers.

                  "Restricted Accessories" means detection chemistries,
         hematoxylin, buffers, slides, pads, and trays, but not primary
         antibodies and DAKO manual detection kits.

                  "Scientific Services" means instruction in the use of
         Accessories and Reagents with the Instruments.

                  "TechMate Royalties" means the royalties payable with respect
         to the TechMate 1000 and 500 Instruments sold to DAKO by BioTek.



                                       2
<PAGE>   3
                  "Technical Service" means service on the Instruments.

                  "The date of this Agreement" means the date first set forth
         above.

                  "Territory" means the entire world, excluding the United
         States, Canada, Australia, South America, Mexico, Central America, and
         the Caribbean.

                  "Ventana" means Ventana Medical Systems, Inc., a Delaware
         corporation.

         2. DISTRIBUTION OF PRODUCTS.

                  2.1. DISTRIBUTION OF INSTRUMENTS. Upon the terms and subject
to the conditions set forth in this Agreement, during the Exclusivity Period,
DAKO shall be the exclusive distributor of Instruments in the Territory;
provided, however, BioTek or any affiliate thereof may show Instruments at trade
shows in the Territory during the Exclusivity Period, but will clearly identify
the Instruments shown as only being available in the Territory through DAKO, the
exclusive distributor of Instruments in the Territory. During the Exclusivity
Period, DAKO may not sell Instruments outside of the Territory. After the end of
the Exclusivity Period, DAKO, BioTek and Ventana may distribute, sell, and lease
Instruments both in as well as outside the Territory directly, through
distributors or otherwise. DAKO has a significant inventory of Instruments and,
accordingly, will not require any additional Instruments during the Exclusivity
Period or thereafter, except that DAKO hereby orders from BioTek 10 TechMate 250
Instruments, at a purchase price, FOB BioTek's facility, Tucson, Arizona, USA,
of $14,080.00 per Instrument, plus a prepaid royalty of $7,000.00 per
Instrument, and BioTek hereby accepts such order. BioTek will deliver those
Instruments to DAKO no later than June 30, 1998. BioTek has no additional
obligation hereunder or otherwise to sell or otherwise supply Instruments to
DAKO. Notwithstanding any provision of this Paragraph to the contrary, nothing
herein will be construed as restricting BioTek or Ventana from selling any other
type of automated slide staining instrument in the Territory, including without
limitation, the Ventana NexES(R). During the Exclusivity Period, Ventana and
BioTek waive any right to claim that DAKO has not used its best efforts to sell
Instruments in the Territory.

                  2.2. SUPPLY OF PARTS AND ACCESSORIES. BioTek will supply to
DAKO on a timely basis, during the Accessories Term, all Accessories detailed in
SCHEDULE 2.2(a) required by DAKO from time to time and, during the Parts Term,
all TechMate 1000 and 500 Parts detailed in SCHEDULE 2.2(b) required by DAKO
from time to time, and DAKO will purchase all of its requirements for
Accessories and TechMate 1000 and 500 Parts from BioTek during such terms,
except as follows:

                  (a) DAKO may at any time terminate its obligation to purchase
         any item of the Accessories (an "Excluded Item") by giving BioTek 60
         days prior written notice of such termination. At the end of such
         period, BioTek will not have any obligation to sell the Excluded Item
         to DAKO and DAKO will not have any obligation to purchase the Excluded
         Item from BioTek. When giving such notice of termination, DAKO shall at
         its option be allowed to cancel orders for Excluded Items to be
         delivered later than 90 days after the service of the written notice of
         termination.



                                       3
<PAGE>   4

                  (b) DAKO may at any time terminate its obligation to purchase
         TechMate 1000 and 500 Parts by giving BioTek 60 days prior written
         notice of such termination. At the end of such period, BioTek will not
         have any obligation to sell TechMate 1000 and 500 Parts to DAKO and
         DAKO will not have any obligation to purchase TechMate 1000 and 500
         Parts from BioTek.

BioTek hereby grants to DAKO a perpetual nonexclusive royalty free
license/sub-license to all such intellectual property rights of BioTek, Ventana
or third parties as necessary for the manufacture by DAKO or DAKO's suppliers of
Excluded Items and the TechMate 1000 and 500 Parts, the use, marketing, and
sale/lease/supply of such Excluded Items and the TechMate 1000 and 500 Parts by
DAKO, DAKO's affiliates and DAKO's distributors and for the use of such Excluded
Items and the TechMate 1000 and 500 Parts by the customers of DAKO and DAKO's
affiliates and DAKO's distributors. Such license will commence with respect to
TechMate 1000 and 500 Parts or any Accessories at such time as BioTek's
obligation hereunder to supply them terminates.

                  2.3. PURCHASE PRICE. The purchase prices for Accessories will
be as set forth on attached SCHEDULE 2.2(a) and for TechMate 1000 and 500 Parts
will be as set forth on attached SCHEDULE 2.2(b). These purchase prices will be
adjusted annually, effective as of the first day of each calendar year
commencing January 1, 1999, to an amount equal to the product of the purchase
price in effect during the previous year, multiplied by the COLA Adjustment
Factor.

                  2.4. TECHMATE 250 PARTS. Upon the execution of this Agreement,
DAKO will purchase from BioTek, and BioTek will sell to DAKO, all of BioTek's
inventories of TechMate 250 Parts, which inventories are listed on attached
SCHEDULE 2.4. DAKO will pay BioTek an aggregate purchase price for those
inventories of $40,000.00, FOB BioTek's facilities, Tucson, Arizona, and
Strasbourg, France, upon delivery. BioTek will convey to DAKO good and
marketable title to those inventories, free and clear of all liens, claims and
encumbrances. DAKO may return, within 30 days of their delivery to DAKO, any
items of those inventories which are defective. The purchase price of the
defective Parts, based on the prices of the Parts reflected on attached SCHEDULE
2.4, will be refunded for any such defective Parts returned to BioTek. BioTek
hereby grants to DAKO a perpetual nonexclusive royalty free license/sub-license
to all such intellectual property rights of BioTek, Ventana or third parties as
necessary for the manufacture by DAKO or DAKO's suppliers of TechMate 250 Parts,
the use, marketing, and sale/lease/supply of TechMate 250 Parts by DAKO, DAKO's
affiliates and DAKO's distributors and for the use of such Parts by the
customers of DAKO and DAKO's affiliates and DAKO'S distributors.

                  2.5. METAL SKINS. BioTek acknowledges that DAKO desires to
purchase from BioTek, and hereby agrees to purchase, metal skins for 79 TechMate
250 Instruments. BioTek agrees to sell those metal skins to DAKO at a price of
$3,200.00 per unit, FOB BioTek's facilities in Tucson, Arizona, USA; provided,
however, that if DAKO establishes that a metal skin replaces a resin skin which
did not pass the Xylene Resistance Test described in attached EXHIBIT 2.5(a),
BioTek will grant to DAKO a discount against the price of the metal skin as set



                                       4
<PAGE>   5

forth in attached EXHIBIT 2.5(b) based on the component which was not resistant
to xylene. The parties acknowledge that the metal skins in stock at LJL
BioSystems, Inc. ("LJL") are defective and agree that the metal skins called for
in this Paragraph will be supplied as follows:

                  (a) If LJL is able to repair the defect in the metal skins in
         stock to the reasonable satisfaction of DAKO, DAKO will accept those
         skins as repaired and BioTek will deliver all of them to DAKO no later
         than July 15, 1998. BioTek agrees to deliver ten (10) metal skins
         repaired by LJL to DAKO on or before May 31, 1998 and DAKO agrees to
         communicate to BioTek by June 15, 1998 whether the repairs are
         satisfactory or unsatisfactory.

                  (b) If the repairs are unsatisfactory to DAKO in its
         reasonable discretion, BioTek will supply to DAKO satisfactory skins
         from an alternative source no later than August 30, 1998.

                  2.6. SHIPPING. All Products delivered pursuant to this
Agreement shall be marked for shipment at the destination designated in DAKO's
written purchase order, and shipped by Federal Express or a carrier or
forwarding agent mutually agreed upon by the parties. Shipments shall be FOB
BioTek's facilities in Tucson, Arizona, USA or Strasbourg, France, at which time
risk of loss and title will pass to DAKO. DAKO will bear all freight, insurance
and other costs and expenses of shipping to DAKO the Products purchased by it.

                  2.7. PAYMENT TERMS. DAKO will pay the purchase price for all
Products purchased hereunder, and all other amounts payable under the terms of
this Agreement, within 30 days of the later of the date of invoice or delivery
of the Products, except as specifically provided in this Agreement to the
contrary.

                  2.8. ORDERS. DAKO will order Accessories and TechMate 1000 and
500 Parts hereunder by submitting firm purchase orders to BioTek. DAKO will
submit such firm purchase orders on its order form and BioTek will acknowledge
the order by facsimile within two (2) working days of BioTek's receipt of DAKO's
order. If the terms of DAKO's order or BioTek's acceptance thereof differ from
the terms of this Agreement, the terms of this Agreement will govern.

                  2.9. PACKAGE MARKINGS. DAKO agrees to mark all packaging and
inserts for Accessories and Parts, to the extent not already marked, with
BioTek's trademarks in a form and size consistent with past practices. Products
not sourced from Ventana or BioTek shall not be marked with BioTek's name. DAKO
shall have the right but not an obligation to use the ChemMate trademark.

                  2.10.    MISCELLANEOUS BIOTEK SERVICES.

                  (a) BioTek will ship promptly, but in any event not later than
         sixty (60) days from receipt of order, DAKO's orders for Accessories
         and TechMate 1000 and 500 Parts.



                                       5
<PAGE>   6

                  (b) BioTek will notify DAKO immediately in writing if BioTek
         becomes aware of any defect or condition which renders any Instrument
         or Accessory in violation of any applicable governmental statute or
         regulation, or which in any way alters the specifications or quality of
         the Instrument or Accessory.

                  (c) BioTek will provide to DAKO such types and quantities of
         technical information developed or acquired by BioTek from time to
         time, if any, as relate to the sale of the Products and the service of
         the Products, hereunder the documentation specified in attached
         SCHEDULE 2.10(c). DAKO will use such documentation solely for the
         purposes set forth in this Paragraph.

                  2.11. RETURN OF PRODUCTS. Except for returns in accordance
with applicable product warranty provisions as provided below, DAKO may not
return any Products purchased by it from BioTek or Ventana or any of their
affiliates, whether before, on or after the date of this Agreement.

         3. SETTLEMENT OF ISSUES.

                  3.1. OUTSTANDING INVOICES. DAKO hereby agrees that all
outstanding invoices to it from Ventana or BioTek which are not yet due will be
paid when due. BioTek and Ventana will accept the amount of $58,733.39 as
payment in full of the amounts outstanding under the invoices from Ventana or
BioTek numbered 852, 942, 1007, 34711, 36681, and 36682. DAKO will accept the
amount of $15,729.00 as payment in full of the amounts outstanding under the
invoices from DAKO numbered 96041, 96521, 96717, 96986, 97777, 99064, 99472,
99475, 99492, 99610, 10021, 10892, 11446, 11447 and 11591. Such amounts will be
paid by DAKO and BioTek or Ventana by wire transfer within 10 days after the
date of this Agreement.


                  3.2. PRICE ADJUSTMENT.

                  (a) Pursuant to the Second Amendment, DAKO ordered from
         Ventana 316 TechMate 250s and the parties agreed on the price for the
         first 33 units, but disagreed on the price for the other 283 units. The
         parties now agree that the price per unit for units 34 to 180 is
         $20,000.00 per unit and the price for additional units is $14,080.00
         per unit. Accordingly, DAKO has (a) overpaid for 67 units at the rate
         of $10,738 per unit (i.e., the aggregate amount of $719,446), and (b)
         overpaid for 80 units at the rate of $7,202 per unit (i.e., the
         aggregate amount of $576,160). Accordingly, the net overpayment is
         $1,295,606.00 and the interest accrued thereon totals $51,287.45 as of
         May 31, 1998.

                  (b) Under the terms of Section 2.3 of the Second Amendment,
         the rate at which amounts owed to DAKO by BioTek are recouped upon the
         sale of TechMate 250 Instruments 34 and on is reduced from as follows:
         (i) Instruments 34-100 per unit from $10,018 per unit to $6,500; and
         (ii) Instruments 101-180 from $10,018 per unit to $6,500 (which
         recoupment rate is hereby acknowledged and agreed to by DAKO and
         BioTek). Accordingly, the excess recoupment totals $517,146.00 and the
         interest accrued thereon totals $16,842.62 as of May 31, 1998.



                                       6
<PAGE>   7

                  (c) The net amount of the overpayments and interest referred
         to in the previous subparagraphs totals $812,904.83, (the "Refund
         Amount") calculated as follows:


<TABLE>
<CAPTION>
                 DESCRIPTION OF AMOUNT OWED                     AMOUNT OWED
                 --------------------------                     -----------
<S>                                                           <C>          
                 Overpayment of Price                         $1,295,606.00
                 Excess Recoupment                            $ (517,146.00)
                 Interest on Price Overpayment                   $51,287.45
                 Interest on Excess Recoupment                $  (16,842.62)
                                                              -------------
                      REFUND AMOUNT                           $  812,904.83
</TABLE>

                  3.3. REPAYMENT. According to Sections 2.3.a. and b. of the
Second Amendment to the Distribution Agreement (the "Second Amendment"), BioTek
has agreed to repay to DAKO the amount of $2,003,566.00 (of which amount,
$1,646,676 has already been recouped according to the terms of Section 2.3.b.(i)
and (ii) of the Second Amendment). However, Section 2.3.b. of the Second
Amendment also provides for an Adjusted Recoupment Rate in the event the price
of TechMate 250 Instruments is reduced. Under this Section, the Adjusted
Recoupment is $1,129,530.00 leaving $874,036.00 owed by BioTek to DAKO. In
addition, DAKO will be entitled to recoup the amount of $3,540.00 per unit for
the Instruments purchased pursuant to Paragraph 2.1, above, further reducing the
amount owed by BioTek to $838,636.00. In full settlement of these recoupment
obligations (i.e., the $838,636.00 owed by BioTek to DAKO (the "Repayment
Amount")), BioTek will pay the Repayment Amount to DAKO in accordance with the
provisions of Paragraph 3.5, below.

                  3.4. ROYALTIES. DAKO and BioTek acknowledge and agree that
DAKO is current in the payment of all royalty invoices issued by BioTek pursuant
to the Distribution Agreement through the date of this Agreement. DAKO agrees to
pay when due all outstanding royalty invoices issued by BioTek through the date
of this Agreement. DAKO will continue to pay royalties for TechMate 500 and 1000
Instruments as follows (regardless of whether the Instruments were installed or
sold by DAKO prior to, on or after the date of this Agreement):

                  (a) TECHMATE ROYALTIES. DAKO shall pay to BioTek the royalties
         set forth in SCHEDULE 3.4 hereto with respect to TechMate 500 and 1000
         Instruments that are or were sold and delivered to DAKO or delivered to
         DAKO's customers based on DAKO's drop shipment directions. Such royalty
         shall be paid to BioTek by DAKO for each instrument installed by DAKO
         for five (5) years after installation. Such royalties per Instrument
         purchased shall be paid starting on the First Installation Date of the
         Instrument on a monthly basis not later than thirty (30) days after the
         last day of the month for which the royalties are payable. The
         foregoing provisions to the contrary notwithstanding:

                           (i) The royalty payable during the ninth, tenth,
                  eleventh and twelfth months after the date of delivery and
                  thereafter will increase only to a maximum 



                                       7
<PAGE>   8

                  of $534.00 per month, for a maximum of 15 Instruments sold
                  solely for DAKO's European distributors in the following
                  countries: Spain, Holland, Belgium, Austria, Norway, Finland
                  and Slovenia.

                           (ii) Such royalty shall not be paid for Instruments
                  sold to pharmaceutical companies that purchase limited amounts
                  of dual-labeled Reagents from DAKO, but DAKO shall pay instead
                  a quarterly fee equal to 25% of dual-labeled Reagents sold by
                  DAKO for use on such Instruments.

                           (iii) Any TechMate 500 or TechMate 1000 Instrument
                  installed after September 27, 1997 in any country in a
                  hospital which already has one royalty-bearing TechMate 500 or
                  TechMate 1000 Instrument installed, shall be royalty-free.
                  However, if the volume of Reagents sold by DAKO for use in
                  those Instruments installed in such hospital in any 6-month
                  period exceeds 150% of the average volume sold to hospitals
                  with only one such Instrument during that period, then DAKO
                  shall, with effect from the end of that 6-month period, pay
                  royalties for those two (2) Instruments, with such payments
                  being made retroactive to the date of installation of the
                  second Instrument.

                           (iv) If DAKO's total volume of Reagents sold to a
                  particular customer for use in an Instrument over any 12
                  consecutive months is reduced by more than 50% compared to the
                  previous 12 consecutive months, then the royalty payable by
                  DAKO with respect to such Instrument for the rest of the
                  royalty period shall, commencing with the month following such
                  calculation, be calculated instead at 25% of the amounts
                  invoiced for Reagents for use with such Instrument by DAKO in
                  each month (converted into US Dollars according to the
                  exchange rate in effect at the end of such month). The
                  relevant 12-month periods shall be the months 7-18 after
                  installation and each subsequent 12-month period.

                           (v) DAKO agrees that, with respect to Instruments
                  sold in Sweden, the United Kingdom and France, in recognition
                  of the royalty reduction to a maximum of $334.00 per month in
                  such countries as stated in SCHEDULE 3.4, there may be an
                  increase in the royalty paid to BioTek by DAKO, calculated
                  after thirty (30) months of use of an Instrument by any
                  customer in the three aforementioned countries if there is a
                  sufficient increase in Reagent purchases by any one customer
                  in any of such countries as determined by the following
                  formula:

                           Reagent sales for months 19 through 30 (inclusive) in
                           excess of Reagent sales for months 7 through 18
                           (inclusive), reflected as a percentage increase, will
                           be adjusted by subtracting 25% points from any such
                           percentage. Such reduced percentage (if positive)
                           will be the percentage increase in royalty,
                           retroactive to month 19 of customer use and will
                           create the new royalty to apply from and after such
                           month 19. This adjustment will be made again in
                           months 42 and 53 of the royalty period, and any
                           increase adjusted retroactively, if applicable, for
                           the prior 12 months. The 



                                       8
<PAGE>   9

                           base period, for purposes of calculating the royalty
                           adjustment at months 42 and 53, will also be the
                           months 7 through 18.

         Notwithstanding the above, the royalty per month cannot exceed $734.00.

                  (b) DEINSTALLED INSTRUMENTS. In the event that a TechMate 500
         or 1000 Instrument for which royalties are payable hereunder is removed
         from service because it is replaced by a slide staining instrument not
         sold through DAKO, such TechMate 500 or 1000 Instrument (a "Deinstalled
         Instrument") shall not be counted for purposes of calculating the above
         royalties until such time as that TechMate 500 or 1000 Instrument is
         reinstalled.

                  (c) MAXIMUM NUMBER OF INSTRUMENTS EXCLUDED FROM THE ROYALTY
         BASE. The foregoing to the contrary notwithstanding, DAKO shall be able
         to exclude a maximum of 30 TechMate 500 Instruments from the payment of
         royalties on the basis that they are not installed and will pay
         royalties at the Standard Royalty Rate on any uninstalled Instruments
         in excess of 30. The Deinstalled Instruments shall not be included when
         calculating the maximum of 30 royalty-free Instruments. The foregoing
         to the contrary notwithstanding:

                           (i) An Instrument which is not repairable shall be
                  excluded from the above 30 Instruments and shall not be
                  subject to royalties.

                           (ii) If DAKO believes that an Instrument is not
                  repairable, DAKO shall advise BioTek and the Instrument will
                  be deemed non repairable unless repaired by BioTek within 30
                  days of its receipt of such notice. Any such Instrument later
                  installed shall, however, be subject to royalties from the
                  date of that installation.

                  (d) CERTIFIED REPORTS. Each royalty spreadsheet delivered
         under subparagraph (f), below, shall be certified to be true and
         correct by the chief financial officer of DAKO. Such spreadsheet shall
         contain reasonable detail as to the calculation of the amount due. DAKO
         agrees to keep and maintain accurate books and records relative to the
         TechMate Royalties and, for purposes of permitting BioTek to verify the
         accuracy of any such report, DAKO will make such books and records
         available for inspection during normal business hours at the offices of
         DAKO at any time, and from time to time, by an independent accountant
         appointed by BioTek. Audits will be at BioTek's own expense and will be
         conducted at DAKO's premises. BioTek will give DAKO ten (10) days prior
         written notice of the audit and may not audit DAKO's books any more
         frequently than quarterly.

                  (e) U.S. DEINSTALLED INSTRUMENTS. The foregoing to the
         contrary notwithstanding, neither DAKO nor any affiliate thereof may
         reinstall any Instrument previously installed in the United States, if
         DAKO or any affiliate thereof has in stock any Instruments of that type
         which are subject to the royalty provisions of this Agreement (or would
         be subject thereto if installed).



                                       9
<PAGE>   10

                  (f) ROYALTY ADJUSTMENT. DAKO and BioTek agree that DAKO's
         obligations for TechMate 500 and 1000 royalties have been overpaid by
         the amount of $52,618 through September 30, 1997, to be paid to DAKO
         within ten (10) days after the date of this Agreement. The parties also
         agree that DAKO has paid royalties totaling $465,420 for the six (6)
         months ended March 31, 1998 and that this amount may be subject to
         adjustment based on further analysis of actual installation data. It is
         further agreed that DAKO will complete an internal audit of
         installation activity for the six (6) months ended March 31, 1998 and
         communicate any resulting changes to its royalty obligation to BioTek
         by e-mailing an updated royalty spreadsheet by the close of business
         June 30, 1998, and that BioTek will issue the applicable billing
         adjustment or credit statement no later than July 31, 1998. Thereafter,
         DAKO will continue to e-mail an updated spreadsheet to BioTek by the
         last day of each calendar quarter to finalize the royalty for the next
         previous calendar quarter (i.e., by the end of the second quarter of a
         calendar year DAKO will e-mail to Ventana an updated spreadsheet for
         the first quarter of that year). BioTek will issue each applicable
         billing adjustment the following month. BioTek's regular billings will
         always be based on the most recent update. This procedure will remain
         in force until all royalty obligations have expired.

                  3.5. PAYMENT OF OBLIGATIONS. The Repayment Amount and the
Refund Amount (collectively, the "Debt") will accrue interest and be payable as
follows:

                  (a) Interest will accrue on the Debt at the rate of 7% per
         annum commencing January 1, 2000, and be payable quarterly as of each
         March 31, June 30, September 30 and December 31 commencing March 31,
         2000. No interest will accrue on the Debt through January 1, 2000.

                  (b) The principal portion of the Debt will be payable
         quarterly, on each April 1, July 1, October 1 and January 1, commencing
         January 1, 2000, in sixteen (16) equal quarterly installments.

                  (c) Ventana and BioTek shall be jointly and severally liable
         for the fulfillment of the payment obligations according to this
         Paragraph 3.5.

                  (d) The foregoing to the contrary notwithstanding, the Debt
         (and all accrued interest) will become immediately due and payable upon
         the occurrence of any of the following events:

                           (i) Ventana and BioTek shall fail to pay when due any
                  amounts payable under this Paragraph 3.5 and such failure
                  shall continue for a period of thirty (30) days after written
                  notice thereof from DAKO to Ventana and BioTek.

                           (ii) If Ventana and/or BioTek shall make a general
                  assignment for the benefit of creditors or shall become the
                  subject of an "order for relief" within the meaning of the
                  United States Bankruptcy Code, or shall voluntarily file a
                  petition in bankruptcy or for reorganization or effect a plan
                  or other arrangement with creditors.



                                       10
<PAGE>   11

                  3.6. RELEASES.

                  (a) In consideration of this Agreement and the transactions
         contemplated herein, and other good and valuable consideration, DAKO,
         for itself and its subsidiaries, affiliates, successors and assigns,
         forever releases and discharges BioTek, and its officers, directors,
         shareholders, agents, partners, representatives, attorneys, employees,
         and their respective heirs, successors and assigns, and each of them,
         past and present, including without limitation, Ventana (the "BioTek
         Parties"), from and against any and all actions, obligations, costs,
         damages, losses, claims, liabilities and demands of whatever kind or
         nature which DAKO has as of the date hereof or it has had against
         BioTek or any of the other BioTek Parties, including, without
         limitation, any such claim or cause of action arising out of or in
         connection with any agreement, event, transaction, action, omission or
         circumstances occurring or existing on or prior to the date hereof by
         or involving the BioTek Parties, or any of them, excepting the
         obligations of BioTek and Ventana under this Agreement and those
         obligations, if any, which the parties agree by the specific terms of
         this Agreement will survive.

                  (b) In consideration of this Agreement and the transactions
         contemplated herein, and other good and valuable consideration, BioTek,
         for itself and its parent, subsidiaries, affiliates, successors and
         assigns, forever releases and discharges DAKO, and its officers,
         directors, shareholders, agents, partners, representatives, attorneys,
         employees, and their respective heirs, successors and assigns, and each
         of them, past and present, including without limitation, DAKO
         Corporation (the "DAKO Parties"), from and against any and all actions,
         obligations, costs, damages, losses, claims, liabilities and demands of
         whatever kind or nature which BioTek has as of the date hereof or has
         had against DAKO or any of the DAKO Parties, including, without
         limitation, any such claim or cause of action arising out of or in
         connection with any agreement, event, transaction, action, omission or
         circumstances occurring or existing on or prior to the date hereof by
         or involving the DAKO Parties, or any of them, excepting the
         obligations of DAKO and DAKO Corporation under this Agreement and those
         obligations, if any, which the parties agree by the specific terms of
         this Agreement will survive.

                  3.7. TERMINATIONS.

                  (a) All security interests of DAKO in the assets of BioTek, or
         any affiliate thereof, are hereby terminated and released. In that
         regard, DAKO agrees to execute such Uniform Commercial Code and other
         termination statements and documents as necessary to release any
         financing statements and other Instruments which are on file to perfect
         such security interests.

                  (b) All Escrow Agreements between DAKO and BioTek under which
         blue prints, designs, drawings, specifications and other information is
         escrowed for the benefit of DAKO are hereby terminated, with all such
         materials held in escrow released to BioTek. DAKO will, upon request,
         execute such documents and Instruments as necessary to effectuate such
         termination and the return of such materials.



                                       11
<PAGE>   12
                  3.8 ARBITRATION. Upon execution of this agreement, DAKO,
Ventana and BioTek will instruct the attorney's representing them in the
Arbitration to file the Stipulation of Dismissal with Prejudice attached as
Schedule 3.8.

         4. RESTRICTIVE COVENANTS.

                  4.1. DAKO INSTALLED BASE. Neither BioTek nor any affiliate
thereof (including without limitation, Ventana) will, at any time during the
three (3) year period immediately following the date of this Agreement, sell
Restricted Accessories or Parts for use on any Instrument in the DAKO Installed
Base or render Scientific Service for or Technical Service on any such
Instrument, and BioTek and Ventana will not permit any distributor of BioTek or
an affiliate of BioTek to do any of the foregoing (however, with regard to
Scientific Services or Technical Services, BioTek and Ventana will, as regards
their distributors, only be obligated to use their best efforts to restrict
their distributors from performing such services). If a customer operates an
Instrument which is part of the DAKO Installed Base as well as any other slide
staining instrument supplied by BioTek or Ventana (including without limitation,
the Ventana NexES(R)), BioTek and Ventana and their affiliates cannot be held
liable if customer used Restricted Accessories or Parts supplied by BioTek or
Ventana or their affiliates on Instruments which are part of the DAKO Installed
Base. Nothing herein will be construed to restrict BioTek or its affiliates or
distributors from supplying any other products to customers with Instruments in
the DAKO Installed Base, including without limitation, slide staining
instruments competitive with the Instruments.

                  4.2. BIOTEK INSTALLED BASE. Neither DAKO nor any affiliate
thereof (including without limitation DAKO Corporation), nor any distributor of
DAKO or an affiliate of DAKO, will, at any time during the three (3) year period
immediately following the date of this Agreement:

                  (a) Actively promote manual detection kits for use on any
         Instrument in the BioTek Installed Base. Notwithstanding any provision
         of this Paragraph 4.2 to the contrary, DAKO Corporation or distributors
         may continue to supply manual DAKO detection kits and render Scientific
         Services to customers who are using DAKO manual detection kits on
         Instruments in the BioTek Installed Base as of the date hereof.
         Further, BioTek acknowledges that certain customers with Instruments
         that are part of the BioTek Installed Base may after the date hereof
         decide to use manual DAKO detection kits on their Instruments despite
         the fact that DAKO Corporation or its affiliates or distributors have
         not actively promoted such use. Nothing herein will be construed to
         restrict BioTek or Ventana from supplying Parts, Accessories and/or
         Reagents to any customer in the BioTek Installed Base.

                  (b) Sell Prediluted Ready-To-Use ChemMate like reagents (other
         than primary antibodies) for use in any Instrument in the BioTek
         Installed Base.

                  (c) Sell Parts, buffers, slides, pads or trays for use in any
         Instrument in the BioTek Installed Base.



                                       12
<PAGE>   13

                  (d) Render Technical Services on any Instrument in the BioTek
         Installed Base.

If a customer operates an Instrument which is part of the BioTek Installed Base
as well as any other slide staining instrument supplied by DAKO or DAKO
Corporation and their affiliates or distributors (including without limitation,
a DAKO Autostainer or any other product of DAKO), DAKO and DAKO Corporation and
their affiliates cannot be held liable if the customer uses products supplied by
DAKO or DAKO Corporation or their affiliates on Instruments which are part of
the BioTek Installed Base. Nothing herein will be construed to restrict DAKO or
DAKO Corporation or their affiliates or distributors from supplying any other
products to customers with Instruments in the BioTek Installed Base, including
without limitation, slide staining instruments competitive with the Instruments.

                  4.3. CONFIDENTIALITY. Each party acknowledges the confidential
nature of certain of the information which may be disclosed hereunder or which
may have been disclosed under the Distribution Agreement (including, but not
limited to, names of customers and other marketing-related information) and
agrees to retain such information in confidence; provided, however, that no
information will be deemed confidential unless so designated at the time of
disclosure. This provision shall survive the termination of this Agreement for a
period of three (3) years. Confidential information (especially technical
information) may also be the subject of separate confidentiality agreements
which the parties enter into. The foregoing provisions to the contrary
notwithstanding, the term "confidential information" does not include
information of a party (the "Disclosing Party") which: (i) becomes generally
available to the public other than as a result of a disclosure by the other
party or its employees, agents, officers or directors; (ii) was rightfully
available to such other party on a non-confidential basis prior to disclosure to
such other party by the Disclosing Party or its employees, agents, officers or
directors; or (iii) becomes rightfully available to such other party from a
source other than the Disclosing Party or its employees, agents, officers or
directors. Nothing herein shall be construed to limit the rights of a party to
protect information which constitutes "trade secrets" under applicable laws,
which such trade secrets shall be protected to the extent provided by such
applicable laws.

                  4.4. REMEDIES. Each party recognizes that any breach by it or
its affiliates of the restrictions imposed by this Paragraph 4 may result in
irreparable injury to the other party. Accordingly, each party agrees that if it
or its affiliates shall engage in any acts in violation of this Paragraph 4, the
other party shall be entitled, in addition to such other remedies and damages as
may be available to it, to an injunction prohibiting the breaching party from
engaging in any such acts.

         5. TRADEMARKS; LICENSES.

                  5.1. TRADE MARKS. DAKO shall not have any right to use any
trademark or trade name or symbol of BioTek or any translation thereof now or
hereafter applied or used in relation to any of the Products or otherwise,
except as provided in this Paragraph and in Paragraph 2.9, above. DAKO may use
the trademarks or trade names of BioTek in the advertising and promotion of the
Products and DAKO is hereby licensed by BioTek to use 



                                       13
<PAGE>   14

BioTek's trademarks and trade names as reasonably necessary to advertise and
promote the Products. In the use of these trademarks and trade names of BioTek,
DAKO will adhere to the standards and guidelines consistent with past practices.

                  5.2.   LICENSES.

                  5.2.1. The Parties agree that:

                  (a) DAKO, its affiliates and distributors shall perpetually be
         allowed to:

                           (i) Market, sell, lease and otherwise supply to the
                  customers in the Territory Instruments supplied from Ventana
                  or BioTek to DAKO.

                           (ii) Service the needs of Instruments which are part
                  of the DAKO Installed Base in any way, hereunder by way of
                  rendering Scientific Services and Technical Services and
                  supplying accessories, reagents and Parts (hereunder other
                  accessories, reagents and Parts than those sourced from
                  Ventana or BioTek as well as other accessories and reagents
                  than those used with the Instruments at present).

                           (iii) Upgrade the Instruments and any software used
                  with the Instruments.

                  (b) DAKO, its affiliates and distributors and their customers
         in the Territory shall perpetually be allowed to use the Instruments,
         and to use any accessories, reagents and Parts (no matter from which
         supplier they are sourced) with the Instruments, and to use any methods
         related to the use of the Instruments, no matter whether such
         manufacture, marketing, sale/lease/supply and use is restricted due to
         proprietary rights of Ventana and/or BioTek and/or third parties.

                  5.2.2. Ventana and BioTek hereby grant to DAKO, its affiliates
and distributors and their customers, perpetually, non-exclusively and
royalty-free, any and all licenses and sub-licenses under any proprietary rights
necessary for DAKO, its affiliates and distributors and their customers in order
to exploit their rights according to this Paragraph 5.2. Hereunder, BioTek
grants to DAKO, its affiliates and distributors and their customers a perpetual,
nonexclusive, royalty-free license to use BioTek's patented "cap gap" art on all
Instruments sold or otherwise furnished to DAKO by BioTek or Ventana, or by
others. This license will not extend to any other instruments or products and,
in particular, DAKO, its affiliates and distributors and their customers shall
have no right to the use of that art for manufacturing, marketing or
selling/leasing/supplying and using a DAKO proprietary slide staining
instrument.

                  5.2.3. If certain suppliers of Excluded Items and/or TechMate
1000/500/250 Parts are not allowed to supply certain Excluded Items/Parts to
DAKO without the prior consent of Ventana or BioTek, then Ventana and BioTek
shall, if so requested by DAKO, have an obligation to grant the consent
necessary.



                                       14
<PAGE>   15

         6. PRODUCT WARRANTIES.

                  6.1. INSTRUMENTS. In full satisfaction of the warranty
obligations of BioTek or Ventana to DAKO, or any distributor or affiliate of
DAKO, for Instruments sold and/or to be sold by BioTek or Ventana, including
without limitation, warranty claims with respect to the Instruments mentioned in
Paragraph 2.1, above, or any payment for any claims for warranty work performed
by DAKO prior to the date of this Agreement with respect to Instruments, BioTek
shall pay to DAKO the amount of $110,000.00, in cash, by wire transfer, within
ten (10) days after the date of this Agreement.

                  6.2. PARTS AND ACCESSORIES. With respect to Parts and
Accessories sold by BioTek or Ventana to DAKO, or its affiliates, the product
warranties set forth in attached SCHEDULE 6.2 shall apply.

                  6.3. INTELLECTUAL PROPERTY. BioTek represents and warrants
that the Products supplied to DAKO under this Agreement shall not infringe upon
the patents or proprietary rights of any third party.

         7. DEFAULT. This Agreement may be terminated early as follows:

                  (a) by either party, at its option, by notice in writing to
         the other party, in the event of a material breach of the terms hereof
         by the other party; provided, however, that if such breach is of a
         nature such that it is curable, such notice of termination shall not be
         effective if the breach is corrected within ninety (90) days after the
         giving of such notice, except that such 90-day period shall be
         automatically extended for an additional period of time reasonably
         necessary to cure such default, if such curable default cannot be cured
         within such 90-day period, provided the defaulting party commences the
         process of curing such default within said 90-day period and
         continuously and diligently (as determined by the nonbreaching party in
         its reasonable discretion) pursues such cure to completion; or

                  (b) by either party, if the other party shall make a general
         assignment for the benefit of creditors or shall become the subject of
         an "order for relief" within the meaning of the United States
         Bankruptcy Code, or shall voluntarily file a petition in bankruptcy or
         for reorganization or effect a plan or other arrangement with
         creditors.

The rights and duties of each party under this Agreement in respect of
performance prior to termination shall survive and be enforceable in accordance
with the terms of this Agreement.

         8. VENTANA GUARANTY. Ventana guaranties the fulfillment of any and all
of BioTek's obligations according to this Agreement.



                                       15
<PAGE>   16

         9. MISCELLANEOUS.

                  9.1. ENTIRE AGREEMENT. This Agreement (together with any
documents to which it refers) constitutes the entire Agreement between the
parties with respect to the subject matter hereof.

                  9.2. DISTRIBUTION AGREEMENT SUPERSEDED. This Agreement
supersedes any prior agreement between the parties or their predecessors with
respect to the subject matter hereof, oral or written, including without
limitation, the Distribution Agreement (which will terminate with the signing of
this Agreement and cease to have any effect whatsoever). In connection with this
Agreement, no party has relied upon any representation of any other party, save
for any representation or warranty expressly set forth in this Agreement. After
the end of the Exclusivity Period, no party shall have any rights and
obligations towards the other parties except for those specified in this
Agreement.

                  9.3. ASSIGNMENT AND SUCCESSION. This Agreement shall not be
assigned or transferred by either party, voluntarily or by operation by law,
without the prior written consent of the other party, except that BioTek may
assign its rights and obligations under this Agreement to Ventana (or any
subsidiary of Ventana, provided Ventana guaranties the obligations of that
subsidiary), or Ventana or any such subsidiary may succeed to this Agreement by
merger, consolidation or other similar transaction. This Agreement shall inure
to the benefit of and be binding upon the parties hereto and their permitted
successors and assigns.

                  9.4. NOTICES. Any notice, demand or other communication to be
served under this Agreement may be served upon any party hereto only by
delivering the same by hand (directly or through an agent such as DHL) to the
party to be served at its address (as set out below), or by sending the same by
facsimile transmission to its facsimile number (as set out below) (followed by a
hand-delivered copy as soon as practicable) or at such other address or number
as it may from time to time notify in writing to the other party hereto. A
notice or demand sent by facsimile transmission shall be deemed to have been
served at the time of transmission and in proving service of the same, it will
be sufficient to prove that such facsimile was duly transmitted to a current
facsimile number of the relevant party:

Address and facsimile number of Ventana and BioTek:

Chief Financial Officer                       With a Copy to:
Ventana Medical Systems, Inc.
3865 North Business Center Drive              Thomas A. Myers, Esq.
Tucson, AZ  85705                             Godfrey & Kahn, S.C.
Telephone No.:    520-690-2787                780 North Water Street
Fax NO.: 520-887-2558                         Milwaukee, WI  53202
                                              Telephone No.: 414-273-3500
                                              Fax NO.:       414-273-5198



                                       16
<PAGE>   17
Mr. Torben Jorgensen                          With a Copy to:
President and CEO
DAKO A/S                                      Mr. Klaus Eldrup-Jorgensen
Produktionsvej 42                             Executive Vice President,
DK-2600 Glostrup                              Sales and Marketing
Denmark                                       DAKO A/S
Telephone No.:    45 44 85 9500               Produktionsvej 42
Fax NO.:          45 44 92 1115               DK-2600 Glostrup
                                              Denmark
                                              Telephone No.: 45 44 85 9500
                                              Fax NO.:       45 44 92 3121

                  9.5. WAIVER. No term, provision or condition of this Agreement
shall be waived unless such waiver is evidenced in writing and signed by the
waiving party.

                  9.6. DELAY. An omission or delay by any party to the Agreement
in exercising any right, power or privilege shall not operate as a waiver of
such right, power or privilege. Any single or partial exercise of any such
right, power or privilege shall not preclude any other or further exercise
thereof or of any other right, power or privilege. The rights and remedies
provided in the Agreement are cumulative with and not exclusive of any rights or
remedies provided by law.

                  9.7. AMENDMENT. No amendment to this Agreement shall be
effective unless made in writing and signed by both parties.

                  9.8. CURRENCY; INTEREST. All sales and prices shall be
calculated, purchase prices and royalties determined, and purchase price and
royalty payments made in United States Dollars. The term of all sales under this
Agreement are net 30 days after the later of the date of delivery or invoice,
unless and to the extent the provisions of this Agreement specifically provide
otherwise. Any amounts due under this Agreement will accrue interest from the
date due to the date paid at the rate of 12% per annum. In addition, the debtor
shall reimburse the creditor upon demand for all costs incurred by the creditor
in collecting such past due amounts, including without limitation, reasonable
attorneys' fees and expenses.

                  9.9. SET-OFF. Each party may set-off any amounts owed to it
and which is due for payment from the other party against any amounts it owes to
the other party and which is due for payment. Hereunder, DAKO may set-off any
amount owed to it and due from Ventana against any amounts it owes and which are
due to BioTek or BioTek's assigns.

                  9.10. LIABILITY LIMITATION. Neither party to this Agreement or
its affiliates (including without limitation, Ventana and DAKO Corporation)
shall have any liability whatsoever for any incidental or consequential damages
as a result of its breach of any agreement, covenant, warranty or representation
in this Agreement.



                                       17
<PAGE>   18

                  9.11. FORCE MAJEURE. The obligations of either party to
perform under this Agreement shall be excused during each period of delay caused
by such matters acts of God, fires, explosions, bombing, floods, civil
commotion, riots, labor disputes, strikes, lockouts, boycotts, picketing or
other industrial disturbances, declared or undeclared wars, military or police
actions, blockages, embargoes, insurrections, delays or carriers, breakdown of
machinery, failure or curtailment or delay of manufacturers or suppliers,
regulations or other governmental restrictions or controls and/or interruptions
of business which are reasonably beyond the control of the party obligated to
perform (a "Force Majeure"), except that nothing herein shall be construed to
relieve a party from its obligation to pay when due any amount payable by that
party to the other party. The affected party shall make best efforts to remedy
the effects of such Force Majeure. Any Force Majeure event shall not excuse
performance by the party, but shall delay performance, unless such Force Majeure
continues for a period in excess of ninety (90) days. In such event, the party
seeking performance may cancel its obligations hereunder. In addition, during
the period BioTek's obligations hereunder are suspended as a result of any Force
Majeure, DAKO may obtain Parts and Accessories from third parties to the extent
BioTek is unable to meet DAKO's requirements (and the intellectual property
licenses granted hereunder shall permit DAKO to do so).

                  9.12. AMENDMENTS. No amendment or modification of the terms of
this Agreement shall be binding on either party, unless reduced to writing and
signed by an authorized officer of the party to be bound.

                  9.13. GOVERNING LAW. This Agreement shall be governed by and
construed in accordance with laws of the State of Arizona (excluding the rules
on conflicts of laws).

                  9.14. NO CIRCUMVENTION. Each party agrees that it shall act in
good faith with respect to its obligations under this Agreement and will not
take any action with the intent to avoid its obligations under this Agreement or
any provisions hereof restricting its actions.

                  9.15. ARBITRATION. All disputes arising in connection with
this Agreement, including any question regarding its existence, validity,
enforcement or termination, will be referred to and finally resolved by
arbitration under the rules of the International Chamber of Commerce, which
rules are deemed to be incorporated by reference into this Section. The
arbitration tribunal will consist of three (3) arbitrators. Each party will
select an arbitrator and the third will be selected by the mutual agreement of
the parties. If the parties are unable to agree on the third arbitrator, that
arbitrator will be appointed by the International Chamber of Commerce. The place
of arbitration will be selected by the nonreferring party, and the language of
arbitration will be English. The foregoing to the contrary notwithstanding, a
party may bring legal action against the other party for injunctive relief to
enforce any applicable provision of this Agreement.

                  9.16. RELATIONSHIP OF THE PARTIES. Nothing herein contained
shall be deemed to be or construed as constituting either party as the agent or
partner of the other.

                  9.17. COUNTERPARTS. This Agreement may be executed in one or
more counterparts, each of which shall be deemed an original for all purposes.



                                       18
<PAGE>   19

         IN WITNESS WHEREOF, the parties have caused their names to be
subscribed on one or more counterparts of this Agreement, all of which such
counterparts will be read together and construed as but one and the same
instrument as of the day, month and year first above written.

                                        DAKO A/S



                                        By: /s/ Torben Jorgensen
                                           -------------------------------------
                                           Torben Jorgensen


                                        BIOTEK SOLUTIONS, INC.



                                        By: /s/ John Patience
                                           -------------------------------------
                                           John Patience, Chairman


                                        VENTANA MEDICAL SYSTEMS, INC.



                                        By: /s/ Henry T. Pietraszek
                                           -------------------------------------
                                           Henry T. Pietraszek, President



                                       19
<PAGE>   20
                           DAKO CORPORATION AGREEMENT

         The undersigned, DAKO Corporation, a California corporation, hereby
agrees to be bound by the provisions of Paragraph 4, above, and any other
provisions of the Agreement applicable to it and acknowledges the release
pursuant to Paragraph 3.6(a) , above, of the claims it may have against the
BioTek Parties, or any of them (and concurs in such release).

         IN WITNESS WHEREOF, the undersigned has caused its name to be
subscribed on one or more counterparts of this Agreement, all of which such
counterparts will be read together and construed as but one and the same
instrument as of the day, month and year first above written.

                                       DAKO CORPORATION



                                       By:  ____________________________________



                                       20
<PAGE>   21
                                 SCHEDULE 2.2(a)
                                ACCESSORY PRICING
<TABLE>
<CAPTION>
===============================================================================
PART #                      DESCRIPTION                           PRICE IN USD
- -------------------------------------------------------------------------------
<S>                   <C>                                         <C>   
1402300               Hematoxylin, 350 mL                               $35.39
- -------------------------------------------------------------------------------
1403300               Reagent Wells (250/Box)                           $26.70
- -------------------------------------------------------------------------------
POP075                Cap Gap Slides (1/2 gross)                        $14.35
- -------------------------------------------------------------------------------
POP100                Cap Gap Slides (1/2 gross)                        $14.35
- -------------------------------------------------------------------------------
POP130                Cap Gap Slides (1/2 gross)                        $20.25
- -------------------------------------------------------------------------------
1400003               2X HP, 6 mL                                       $28.50
- -------------------------------------------------------------------------------
1400004               50X DAB, 6 mL                                     $66.00
- -------------------------------------------------------------------------------
1400008               Biotek Red #1, 8 mL                               $88.00
- -------------------------------------------------------------------------------
1400009               Biotek Red #2, 8 mL                               $88.00
- -------------------------------------------------------------------------------
1400010               Biotek Red #3, 8 mL                               $88.00
- -------------------------------------------------------------------------------
1400402               Tris Buffer, 250 mL                               $28.00
- -------------------------------------------------------------------------------
1400403               Alk Phos Tris Buffer                              $28.00
- -------------------------------------------------------------------------------
1403704               Levamisole, 1 mL                                  $28.00
- -------------------------------------------------------------------------------
RWP101                Reagent Wicking Pads (50/box)                    $107.00
- -------------------------------------------------------------------------------
RWP250                TM Horizon Wicking Pads (100/box)                $145.00
===============================================================================
</TABLE>


<PAGE>   22
<TABLE>
<CAPTION>
                                 SCHEDULE 2.2(b)
                        TECHMATE 1000 & 500 PARTS PRICING
- ------------------------------------------------------------------------------------------
                                                         USED ON         
PART NUMBER             DESCRIPTION                      TECHMATE        UNIT PRICE IN USD
- ------------------------------------------------------------------------------------------
<S>                <C>                                  <C>              <C>    
100075-001         Charcoal Filter                         1000            $211.70
100207-500         Pully Block Assembly                    1000            $578.92
100380-001         X1 Drive Cable                          1000            $164.20
100380-002         X2 Drive Cable                          1000            $178.75
100380-003         Y  Drive Cable                          1000            $277.65
100380-004         Z  Drive Cable                          1000            $257.15
100380-005         X1 Drive Cable                          500             $179.44
100380-006         X2 Drive Cable                          500             $196.63
100380-007         Y  Drive Cable                          500             $268.62
100380-008         Z  Drive Cable                          500             $267.00
100410-500         Power Board/ MB Assy                 1000 & 500       $1,875.00
100411-001         X Blocker Sensor Board               1000 & 500         $268.86
100412-001         Z Blocker Sensor Board               1000 & 500         $276.00
100501-001         Tile                                 1000 & 500          $49.80
100503-001         Insert, Large                        1000 & 500          $19.30
100503-002         Insert, Small                        1000 & 500          $19.30
100600-500         Effector Assembly                    1000 & 500       $1,885.17
100601-001         Effector Boot                        1000 & 500         $110.08
100710-001         Power Board X Block Flex                500             $324.50
100711-001         X Block Z Block Flex                    500             $222.88
100713-001         Cable, LED Effector Flex                500             $100.00
100713-500         LED, Effector Flex                      500             $236.95
200018-001         Charcoal Filter                         500             $255.60
200115-500         Motor Drive Assembly                 1000 & 500       $1,867.50
200207-500         Pully Block Assembly                    500             $426.21
200222-500         Tension Arm                          1000 & 500         $322.52
200413-500         Motor Drive Motherboard              1000 & 500         $456.00
200710-001         Power Board X Block Flex                500             $207.96
900018-001         Gas Shock                            1000 & 500         $193.44
900213-500         Slideholder Assy., 60 Slides         1000 & 500       $1,503.00
900408-001         Computer                             1000 & 500       $2,697.00
900464-001         Motor Drive Module                   1000 & 500       $1,072.20
900471-001         Optical Encoder                      1000 & 500         $245.00
</TABLE>



<PAGE>   23
                                  SCHEDULE 2.4
                               TECHMATE 250 PARTS
<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------------------------------
                                                                                                 PER UNIT    
  PART                                                                                            PRICE      
 NUMBER        PART DESCRIPTION                             US QTY     EURO QTY     TOTAL QTY      (OLD)     
                                                                                                             
- -------------------------------------------------------------------------------------------------------------
                                                                                                             
                                                                                                             
<S>            <C>                                          <C>        <C>          <C>          <C>         
13-000-0078    LEVELING FEET                                     0          12          12          $41.00   
13-005-0009    BEARING, SLEEVE                                   9           9          18           $2.40   
23-000-0081    MAIN HARNESS                                      6           1           7         $180.80   
23-000-0082    PRINTER CABLE                                     9           4          13         $128.00   
23-000-0083    CABLE, FRONT PANEL                                9           1          10         $144.00   
23-000-0084    FLOPPY CABLE                                      7           7          14         $160.00   
23-000-0085    OUTPUT POWER CABLE                                6           5          11          $96.00   
23-000-0086    FRONT PANEL CONTROL CABLE                         0           6           6         $144.00   
23-000-0087    AC INPUT CABLE                                    6           4          10          $80.00   
23-000-0088    CABLE, MOTORS                                     9           4          13         $150.00   
23-000-0089    FRONT PANEL, JUMPER CABLE                         6           1           7          $80.00   
25-001-0001    POWER ENTRY MOD                                   6           4          10         $126.88   
25-007-0006    BLOWER, BRUSHLESS DC                              0           5           5         $188.86   
26-012-0006    STEPPER MOTOR                                    19          11          30         $256.90   
26-014-0007    POWER SUPPLY                                      5          12          17         $432.00   
26-100-0076    DISK, FLOPPY 3.5                                  0           1           1         $164.16   
26-100-0077    FILTER, ORGANIC VAPOR                             0           7           7          $63.60   
36-002-0005    FRONT PANEL CONTROLER CHIP                       10           1          11          $90.00   
36-002-0006    IC, MOTION CONTROL                               20           0          20          $80.00   
40-000-0295    DISPLAY SHIELD 4X40                               0           5           5          $50.00   
41-000-0035    CPU PCB, 386SX                                    5           5          10         $968.40   
41-000-0044    ASSY PCB, 1X16  DISPLAY                           6          10          16         $886.25   
41-000-0045    ASSY PCB, 4X40  DISPLAY                          10           9          19         $669.78   
41-000-0046    ASSY PCB, CONTROLLER                              0           8           8         $588.54   
43-000-0186    SENSOR, SLOTTED, SHIELDED - NARROW               20          11          31          $47.40   
43-000-0187    SENSOR, SLOTTED, SHIELDED - WIDE                  2           4           6          $64.80   
43-000-0188    SENSOR, SLOTTED, UNSHIELDED - WIDE                5           3           8          $53.50   
60-000-0162    HUB, GEAR MOLDED                                  9          10          19          $20.00   
60-000-0276    SLIDE HOLDER ARM                                  0           3           3         $189.00   
60-000-0353    GASKET, FILTER                                   16           0          16          $10.00   
60-000-0987    SPLASH GUARD                                      2           0           2         $592.50   
60-000-0988    BEZEL                                             2           0           2         $713.75   
60-000-0989    CARRIER, TRAYS                                    4           0           4         $357.00   
70-000-0015    REAGENT TRAY CARRIER                              0           2           2       $1,878.00   
70-000-0017    BEZEL                                             0           3           3       $3,132.00   

               ----------------------------------------------------------------------------------------------
                               TOTALS                          208         168         376                   
               ----------------------------------------------------------------------------------------------
</TABLE>



<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------------------
                                                                                            VALUE AT
  PART                                                         PER UNIT     PRICE LESS     DISCOUNTED         EXTENDED
 NUMBER        PART DESCRIPTION                                 PRICE           20%           PRICE            PRICE
- -----------------------------------------------------------------------------------------------------------------------
                                                                         AMOUNTS
                                                                          IN USD
<S>            <C>                                             <C>          <C>            <C>                <C>
13-000-0078    LEVELING FEET                                     $17.27         $32.80         $393.60         $207.22
13-005-0009    BEARING, SLEEVE                                    $1.01          $1.92          $34.56          $18.19
23-000-0081    MAIN HARNESS                                      $76.15        $144.64       $1,012.48         $533.04
23-000-0082    PRINTER CABLE                                     $53.91        $102.40       $1,331.20         $700.84
23-000-0083    CABLE, FRONT PANEL                                $60.65        $115.20       $1,152.00         $606.49
23-000-0084    FLOPPY CABLE                                      $67.39        $128.00       $1,792.00         $943.43
23-000-0085    OUTPUT POWER CABLE                                $40.43         $76.80         $844.80         $444.76
23-000-0086    FRONT PANEL CONTROL CABLE                         $60.65        $115.20         $691.20         $363.90
23-000-0087    AC INPUT CABLE                                    $33.69         $64.00         $640.00         $336.94
23-000-0088    CABLE, MOTORS                                     $63.18        $120.00       $1,560.00         $821.29
23-000-0089    FRONT PANEL, JUMPER CABLE                         $33.69         $64.00         $448.00         $235.86
25-001-0001    POWER ENTRY MOD                                   $53.44        $101.50       $1,015.04         $534.39
25-007-0006    BLOWER, BRUSHLESS DC                              $79.54        $151.09         $755.44         $397.72
26-012-0006    STEPPER MOTOR                                    $108.20        $205.52       $6,165.60       $3,246.01
26-014-0007    POWER SUPPLY                                     $181.95        $345.60       $5,875.20       $3,093.12
26-100-0076    DISK, FLOPPY 3.5                                  $69.14        $131.33         $131.33          $69.14
26-100-0077    FILTER, ORGANIC VAPOR                             $26.79         $50.88         $356.16         $187.51
36-002-0005    FRONT PANEL CONTROLER CHIP                        $37.91         $72.00         $792.00         $416.96
36-002-0006    IC, MOTION CONTROL                                $33.69         $64.00       $1,280.00         $673.88
40-000-0295    DISPLAY SHIELD 4X40                               $21.06         $40.00         $200.00         $105.29
41-000-0035    CPU PCB, 386SX                                   $407.87        $774.72       $7,747.20       $4,078.67
41-000-0044    ASSY PCB, 1X16  DISPLAY                          $373.27        $709.00      $11,344.00       $5,972.28
41-000-0045    ASSY PCB, 4X40  DISPLAY                          $282.10        $535.82      $10,180.66       $5,359.81
41-000-0046    ASSY PCB, CONTROLLER                             $247.88        $470.83       $3,766.66       $1,983.03
43-000-0186    SENSOR, SLOTTED, SHIELDED - NARROW                $19.96         $37.92       $1,175.52         $618.88
43-000-0187    SENSOR, SLOTTED, SHIELDED - WIDE                  $27.29         $51.84         $311.04         $163.75
43-000-0188    SENSOR, SLOTTED, UNSHIELDED - WIDE                $22.53         $42.80         $342.40         $180.26
60-000-0162    HUB, GEAR MOLDED                                   $8.42         $16.00         $304.00         $160.05
60-000-0276    SLIDE HOLDER ARM                                  $79.60        $151.20         $453.60         $238.81
60-000-0353    GASKET, FILTER                                     $4.21          $8.00         $128.00          $67.39
60-000-0987    SPLASH GUARD                                     $249.55        $474.00         $948.00         $499.09
60-000-0988    BEZEL                                            $300.61        $571.00       $1,142.00         $601.23
60-000-0989    CARRIER, TRAYS                                   $150.36        $285.60       $1,142.40         $601.44
70-000-0015    REAGENT TRAY CARRIER                             $790.97      $1,502.40       $3,004.80       $1,581.94
70-000-0017    BEZEL                                          $1,319.12      $2,505.60       $7,516.80       $3,957.37

               --------------------------------------------------------------------------------------------------------
                               TOTALS                                       $10,263.62      $75,977.68      $40,000.00
               --------------------------------------------------------------------------------------------------------
</TABLE>



                                       23
<PAGE>   24
                                 SCHEDULE 2.5(a)

                         XYLENE RESISTANCE TEST PROTOCOL

The Horizon bezels, trays, and splashguards, known herein as panels, are said to
be xylene resistant if they do not display any visible degradation after being
subjected to xylene for a period not to exceed 5 minutes. The test is conducted
by applying xylene to the panels and allowing the xylene to remain in contact
with the panel for a period, not to exceed five minutes. After the five-minute
contact period, the xylene is wiped clean from the panel being tested. If no
visual degradation is noticed, the panel passes the resistance test. If a panel
fails, the panel is to be shipped to Ventana for further evaluation and testing.
The area tested, on the panel, must be marked and no more than 50% percent of
the panel should be subjected to the initial test thus providing an area for
re-testing.


                                       24
<PAGE>   25
                                 SCHEDULE 2.5(b)

         METAL SKIN DISCOUNT BASED ON RESULTS OF XYLENE RESISTANCE TEST



<TABLE>
<CAPTION>
COMPONENT NOT RESISTANT TO XYLENE                   DISCOUNT TO METAL SKIN PURCHASE PRICE
<S>                                                 <C>
One tray holder                                                            15%
Two tray holders                                                           30%
The splashguard                                                            30%
The bezel                                                                  40%
All plastic components in one unit                                        100%
</TABLE>



                                       25
<PAGE>   26
                                SCHEDULE 2.10(c)

                 DOCUMENTATION TO BE SUPPLIED BY BIOTEK TO DAKO


<TABLE>
<CAPTION>
                                                                        TM 250            TM 500
<S>                                                                     <C>               <C>
1.       Source codes of the PC-Software.                                 YES              YES
2.       Source codes for Microcontrollers of the Z-World Board
         of the TechMate 500.                                             N/A              YES
3.       Source codes for PIC Microcontrollers on the Stepper
         Motor Controller Board of the TechMate 250.                      YES              N/A
4.       Layout files or layout prints of the various electronical
         boards.                                                          NO               YES
5.       Schematic files and/or Schematic printouts for the
         electronics.                                                     NO               YES
6.       Exposure drawings of both instruments.                           NO               YES
7.       Manufacturing data on mechanical parts (such as
         strength of steel cables).                                       NO               YES
8.       Detailed mechanical drawings of the various parts of
         both systems as well as the matching mechanical limit
         data.                                                            NO               YES
9.       A detailed list of original part suppliers together with
         order number and purchase prices.                                NO               YES
10.      A list of quality control test after manufacturing.              NO               YES
11.      File format for Protocol files in the TechMate 250.              NO               N/A
12.      List of error codes and messages, with explanations.             NO               YES
</TABLE>


NOTE:    BioTek's obligation to supply documentation limited to documentation 
         already in its possession.



                                       26
<PAGE>   27




                                  SCHEDULE 3.4

                 TECHMATE 500 AND TECHMATE 1000 ROYALTY SCHEDULE



<TABLE>
<CAPTION>
STANDARD ROYALTY                                                           $ PER MONTH PER INSTRUMENT
- ----------------                                                           --------------------------
<S>                                                                        <C>
Installation to end of the calendar month                                              0
(Installation month)

First and second calendar months                                                       0

Third and fourth calendar months                                                      250

Fifth, sixth, seventh and eighth calendar months                                      500

Ninth, tenth, eleventh and twelfth calendar months                                    734

Thereafter                                                                            734
</TABLE>

         Notwithstanding the terms of the above table of royalties, the
following royalty terms shall apply for the following countries:


<TABLE>
<CAPTION>
                                                                                                           UK
                                                                                                         FRANCE
                                    ITALY                SWITZERLAND               GERMANY               SWEDEN
=====================================================================================================================
<S>                                 <C>                  <C>                       <C>                    <C>
Installation month                     0                      0                         0                      0
- ---------------------------------------------------------------------------------------------------------------------
First calendar month                   0                      0                         0                      0
- ---------------------------------------------------------------------------------------------------------------------
Second, third, and fourth
calendar months                      300                    250                       200                    150
- ---------------------------------------------------------------------------------------------------------------------
Fifth and sixth calendar
months                               600                    500                       400                    300
- ---------------------------------------------------------------------------------------------------------------------
Thereafter                           734                    634                       534                    334
- ---------------------------------------------------------------------------------------------------------------------
</TABLE>



                                       27
<PAGE>   28
                                  SCHEDULE 3.8

                        INTERNATIONAL CHAMBER OF COMMERCE
                                CASE NO. 9695/AMW
- --------------------------------------------------------------------------------

DAKO A/S,
                                            Claimant,

                                                       STIPULATION OF DISMISSAL
       -and-                                           WITH PREJUDICE


BIOTEK SOLUTIONS, INC. and
VENTANA MEDICAL SYSTEMS, INC.,

                                            Defendants.

- --------------------------------------------------------------------------------

         IT IS HEREBY STIPULATED AND AGREED that the above proceeding be
dismissed with prejudice on the merits, each party to bear its own costs and
attorneys fees. The costs assessed by the International Chamber of Commerce in
connection with the above proceeding shall be borne by each side equally.


Dated    New York, New York USA                 BROWN & WOOD LLP
         May     , 1998.                        I. Scott Bieler
                                                Laurel J. Southworth
                                                One World Trade Center
                                                New York, NY 10048-0557



                                                By_____________________________
                                                 I. Scott Bieler

                                                Attorneys for Claimant, DAKO A/S


<PAGE>   29

Dated    Milwaukee, Wisconsin USA               GODFREY & KAHN, S.C.
         May ___, 1998.                         William H. Levit, Jr.
                                                Sean O'D. Bosack
                                                780 North Water Street
                                                Milwaukee, WI 53202



                                                By______________________________
                                                  William H. Levit, Jr.

                                                Attorneys for Defendants, BioTek
                                                Solutions Inc. and Ventana 
                                                Medical Systems, Inc.


<PAGE>   30
                                  SCHEDULE 6.2

                                    WARRANTY

1.       WARRANTY FOR PARTS. Parts are warranted against defects in materials or
         workmanship for 12 months after the date of delivery to the end-user
         ("Buyer"), subject to all the terms and conditions set forth in this
         Warranty.

2.       WARRANTY FOR ACCESSORIES. The Accessories are warranted, subject to all
         terms and conditions set forth in this Warranty, as follows: (1) only
         to conform to the quantity and content stated on the label and in the
         technical product inserts at the time of delivery to the Buyer and (2)
         against defects for 12 months after delivery to the Buyer:

3.       REFUND, REPLACEMENT OR REPAIR. If any Part or Accessory is shown to
         have a defect covered by this Warranty, BioTek will refund DAKO's
         purchase price.

4.       These warranties extend only to DAKO, DAKO's affiliates, DAKO's
         distributors and the buyer of the Product and may not be assigned or
         extended to a third person without the written consent of BioTek.

5.       All warranties set forth herein are null and void unless a Warranty
         Claim has been made in writing by DAKO within 30 days after DAKO or an
         affiliate of DAKO has become aware of the defect.

         IT IS EXPRESSLY AGREED THAT ALL WARRANTIES SET FORTH HEREIN SHALL BE IN
         LIEU OF ALL WARRANTIES OF FITNESS AND OF THE WARRANTY OR
         MERCHANTABILITY AND THAT BIOTEK AND ITS DEALERS SHALL HAVE NO LIABILITY
         FOR SPECIAL OR CONSEQUENTIAL DAMAGES OF ANY KIND OR FROM ANY CAUSE
         WHATSOEVER ARISING OUT OF THE MANUFACTURE, SUE, SALE, HANDLING, REPAIR,
         MAINTENANCE OR REPLACEMENT OF ANY OF THE PRODUCTS. THERE ARE NO
         WARRANTIES THAT EXTEND BEYOND THE DESCRIPTION ON THE LABEL OF THE
         ACCESSORIES OR THE TECHNICAL PRODUCT INSERTS PACKED WITH THE
         ACCESSORIES OR EXTEND BEYOND THE PROVISIONS OF THIS WARRANTY.



<TABLE> <S> <C>

<ARTICLE> 5
<RESTATED>
<MULTIPLIER> 1,000
       
<S>                             <C>                                     <C>
<PERIOD-TYPE>                   6-MOS                                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998                             DEC-31-1997
<PERIOD-START>                             JAN-01-1998                             JAN-01-1997
<PERIOD-END>                               JUN-30-1998                             JUN-30-1997
<CASH>                                          19,178                                  25,618
<SECURITIES>                                         0                                       0
<RECEIVABLES>                                   10,998                                   4,446
<ALLOWANCES>                                       302                                      30
<INVENTORY>                                      7,141                                   3,782
<CURRENT-ASSETS>                                38,796                                  35,180
<PP&E>                                          11,426                                   7,838
<DEPRECIATION>                                   4,791                                   3,394
<TOTAL-ASSETS>                                  53,207                                  47,964
<CURRENT-LIABILITIES>                            5,402                                   5,567
<BONDS>                                              0                                       0
                                0                                       0
                                          0                                       0
<COMMON>                                            13                                      11
<OTHER-SE>                                      45,975                                  41,152
<TOTAL-LIABILITY-AND-EQUITY>                    53,207                                  47,964
<SALES>                                         21,937                                  14,411
<TOTAL-REVENUES>                                21,937                                  14,411
<CGS>                                            6,930                                   5,481
<TOTAL-COSTS>                                    6,390                                   5,481
<OTHER-EXPENSES>                                13,366                                  10,361
<LOSS-PROVISION>                                     0                                       0
<INTEREST-EXPENSE>                                   0                                       0
<INCOME-PRETAX>                                  2,113                                 (1,169)
<INCOME-TAX>                                         0                                       0
<INCOME-CONTINUING>                              2,113                                 (1,169)
<DISCONTINUED>                                       0                                       0
<EXTRAORDINARY>                                      0                                       0
<CHANGES>                                            0                                       0
<NET-INCOME>                                     2,113                                 (1,169)
<EPS-PRIMARY>                                     0.16<F1>                              (0.09)
<EPS-DILUTED>                                     0.14                                  (0.09)
<FN>
<F1>For purposes of this exhibit, primary means basic.
</FN>
        

</TABLE>


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