PLEXUS CORP
10-Q, 2000-05-15
PRINTED CIRCUIT BOARDS
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<PAGE>   1
                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 10-Q


(X)       Quarterly Report Under Section 13 or 15 (d) of the Securities Exchange
          Act of 1934

                      For the Quarter ended March 31, 2000

                                       or

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


                        Commission File Number 000-14824


                                  PLEXUS CORP.
               (Exact name of registrant as specified in charter)


                  Wisconsin                             39-1344447
           (State of Incorporation)         (IRS Employer Identification No.)



                             55 Jewelers Park Drive
                          Neenah, Wisconsin 54957-0156
               (Address of principal executive offices)(Zip Code)
                         Telephone Number (920) 722-3451
              (Registrant's telephone number, Including Area Code)

         Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such reports), and (2) has been
subject to such filing requirements for the past 90 days.

                                 Yes  X    No
                                     ---     ---

         As of May 9, 2000 there were 18,259,233 of Common Stock of the Company
outstanding.



<PAGE>   2

                                  PLEXUS CORP.
                                TABLE OF CONTENTS
                                 March 31, 2000


<TABLE>
<S>                                                                                                              <C>
PART I.  FINANCIAL INFORMATION....................................................................................3

         Item 1.  Consolidated Financial Statements...............................................................3

                  CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS.................................................3

                  CONDENSED CONSOLIDATED BALANCE SHEETS...........................................................4

                  CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS.................................................5

                  NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS............................................6

         Item 2.  Management's Discussion and Analysis of Financial Condition and Results of Operations...........8

                  GENERAL.........................................................................................8

                  RESULTS OF OPERATIONS..........................................................................10

                  LIQUIDITY AND CAPITAL RESOURCES................................................................12

         Item 3.  Quantitative and Qualitative Disclosures about Market Risk.....................................13




PART II - OTHER INFORMATION......................................................................................13

         Item 2.  Changes in Securities and Use of Proceeds......................................................13

         Item 4.  Submission of Matter to a Vote of Security Holders.............................................14

         Item 5.  Other Information..............................................................................14

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



SIGNATURE........................................................................................................15
</TABLE>




                                       2

<PAGE>   3



                          PART I. FINANCIAL INFORMATION

ITEM 1.  CONSOLIDATED FINANCIAL STATEMENTS

                                  PLEXUS CORP.
                 CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
                      (in thousands, except per share data)
                                    Unaudited

<TABLE>
<CAPTION>
                                                        THREE MONTHS ENDED             SIX MONTHS ENDED
                                                             MARCH 31,                     MARCH 31,
                                                      ------------------------------------------------------
                                                         2000           1999           2000          1999
                                                         ----           ----           ----          ----

<S>                                                   <C>            <C>            <C>            <C>
Net sales                                             $ 161,994      $ 119,165      $ 309,088      $ 239,750
Cost of sales                                           138,891        102,337        265,436        206,018
                                                      ---------      ---------      ---------      ---------

    Gross profit                                         23,103         16,828         43,652         33,732

Operating expenses:
    Selling and administrative expenses                   8,001          6,687         15,163         12,756
    Severance costs                                           -            237              -            237
                                                      ---------      ---------      ---------      ---------
    Total operating expenses                              8,001          6,924         15,163         12,993
                                                      ---------      ---------      ---------      ---------

    Operating income                                     15,102          9,904         28,489         20,739

Other income (expense):
    Interest expense
                                                             (2)           (66)            (4)          (151)
    Other                                                   486            589            858          1,055
                                                      ---------      ---------      ---------      ---------


    Income before income taxes                           15,586         10,427         29,343         21,643

Income taxes                                              6,234          4,162         11,737          8,554
                                                      ---------      ---------      ---------      ---------

    Net income                                        $   9,352      $   6,265      $  17,606      $  13,089
                                                      =========      =========      =========      =========

Earnings per share:
    Basic                                             $    0.53      $    0.36      $    1.00      $    0.76
                                                      =========      =========      =========      =========
    Diluted                                           $    0.49      $    0.34      $    0.93      $    0.71
                                                      =========      =========      =========      =========

Weighted average shares outstanding:
    Basic                                                17,744         17,298         17,666         17,192
                                                      =========      =========      =========      =========
    Diluted                                              19,033         18,564         18,881         18,464
                                                      =========      =========      =========      =========
</TABLE>




            See notes to condensed consolidated financial statements


                                       3
<PAGE>   4

                                  PLEXUS CORP.
                      CONDENSED CONSOLIDATED BALANCE SHEETS
                      (in thousands, except per share data)
                                    Unaudited
<TABLE>
<CAPTION>
                                                                                             MARCH 31,            SEPTEMBER 30,
                                                                                               2000                   1999
                                                                                         -----------------------------------------
                              ASSETS
<S>                                                                                          <C>                     <C>
Current assets:
    Cash and cash equivalents                                                                $ 25,250                $ 15,906
    Short-term investments                                                                      5,005                  17,224
    Accounts receivable, net of allowance of $850
      and $1,164, respectively                                                                 74,963                  69,318
    Inventories                                                                               107,345                  79,017
    Deferred income taxes                                                                       7,184                   6,370
    Prepaid expenses and other                                                                  3,770                   3,562
                                                                                             --------                --------

      Total current assets                                                                    223,517                 191,397

Property, plant and equipment, net                                                             42,011                  35,868
Other                                                                                           2,473                   2,371
                                                                                             --------                --------

      Total assets                                                                           $268,001                $229,636
                                                                                             ========                ========

                    LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
    Current portion of long-term debt                                                        $     10                $     10
    Accounts payable                                                                           69,043                  55,928
    Customer deposits                                                                           8,758                   8,650
    Accrued liabilities:
      Salaries and wages                                                                       12,251                   9,820
      Other                                                                                     6,234                   6,578
                                                                                             --------                --------

      Total current liabilities                                                                96,296                  80,986

Long-term debt                                                                                    137                     142
Deferred income taxes                                                                             169                     215
Other liabilities                                                                               2,317                   1,890

Stockholders' equity:
    Preferred stock $.01 par value, 5,000, shares authorized,
       none issued or outstanding                                                                  --                      --
    Common stock, $.01 par value, 60,000 shares authorized
       17,810 and 17,545 issued and outstanding, respectively                                     178                     175

    Additional paid-in capital                                                                 56,495                  51,425
    Retained earnings                                                                         112,409                  94,803
                                                                                             --------                --------

                                                                                              169,082                 146,403
                                                                                             --------                --------

      Total liabilities and stockholders' equity                                             $268,001                $229,636
                                                                                             ========                ========
</TABLE>

            See notes to condensed consolidated financial statements


                                       4

<PAGE>   5



                                  PLEXUS CORP.
                 CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
                                 (in thousands)
                                    Unaudited
<TABLE>
<CAPTION>

                                                                                                  SIX MONTHS ENDED
                                                                                                      MARCH 31,
                                                                                         -----------------------------------
                                                                                                 2000          1999
                                                                                                 ----          ----
<S>                                                                                            <C>           <C>
CASH FLOWS FROM OPERATING ACTIVITIES
Net income                                                                                     $ 17,606      $ 13,089
Adjustments to reconcile net income to net cash
  flows from operating activities:
    Depreciation and amortization                                                                 6,460         4,778
    Deferred income taxes                                                                          (860)         (775)
    Changes in assets and liabilities:
       Accounts receivable                                                                       (5,645)       (3,343)
       Inventories                                                                              (28,328)        6,285
       Prepaid expenses and other                                                                  (209)       (3,133)
       Accounts payable                                                                          13,115        (1,899)
       Customer deposits                                                                            108          (370)
       Accrued liabilities                                                                        2,087        (1,566)
       Other                                                                                        351           (85)
                                                                                               --------      --------

         Cash flows provided by operating activities                                              4,685        12,981
                                                                                               --------      --------

CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of investments                                                                         (48,042)      (14,680)
Maturity of investments                                                                          60,261         2,000
Payments for property, plant and equipment                                                      (12,672)       (5,865)
Other                                                                                                44            79
                                                                                               --------      --------

         Cash flows used in investing activities                                                   (409)      (18,466)
                                                                                               --------      --------

CASH FLOWS FROM FINANCING ACTIVITIES
Payments on debt                                                                                     (5)         (537)
Proceeds from exercise of stock options                                                           2,742         2,493
Tax benefit from stock options exercised                                                          2,331         2,876
Treasury stock purchased                                                                             --        (1,159)
Treasury stock reissued                                                                              --         1,372
                                                                                               --------      --------

         Cash flows provided by financing activities                                              5,068         5,045
                                                                                               --------      --------

Net increase (decrease) in cash and cash equivalents                                              9,344          (440)
                                                                                               --------      --------


Cash and cash equivalents:
       Beginning of period                                                                       15,906        24,106
       Effect of SeaMED excluded period                                                               -         2,027
                                                                                               --------      --------
       End of period                                                                           $ 25,250      $ 25,693
                                                                                               ========      ========
</TABLE>




            See notes to condensed consolidated financial statements

                                       5

<PAGE>   6


                                  PLEXUS CORP.
              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                FOR THE THREE AND SIX MONTHS ENDED MARCH 31, 2000

NOTE 1 - BASIS OF PRESENTATION

         The condensed consolidated financial statements included herein have
been prepared by the Company without audit and pursuant to the rules and
regulations of the United States Securities and Exchange Commission. In the
opinion of the Company, the financial statements reflect all adjustments, which
consist only of normal recurring adjustments, necessary to present fairly the
financial position of Plexus Corp. at March 31, 2000 and the results of
operations for the three months and six months ended March 31, 2000 and 1999 and
the cash flows for the same six-month periods.

         Certain information and footnote disclosures normally included in
financial statements prepared in accordance with generally accepted accounting
principles have been condensed or omitted pursuant to the SEC rules and
regulations dealing with interim financial statements. However, the Company
believes that the disclosures made in the condensed consolidated financial
statements included herein are adequate to make the information presented not
misleading. It is suggested that these condensed consolidated financial
statements be read in conjunction with the financial statements and notes
thereto included in the Company's 1999 Annual Report.

         The condensed consolidated balance sheet data at September 30, 1999 was
derived from audited financial statements, but does not include all disclosures
required by generally accepted accounting principles.

NOTE 2 - INVENTORIES

         The major classes of inventories are as follows (in thousands):

<TABLE>
<CAPTION>
                                             March 31,         September 30,
                                               2000                1999
                                             --------            --------
<S>                                          <C>                 <C>
         Assembly parts                      $ 64,960            $ 40,616
         Work-in-process                       33,635              27,145
         Finished goods                         8,750              11,256
                                             --------            --------
                                             $107,345            $ 79,017
                                             ========            ========
</TABLE>

                                       6


<PAGE>   7


NOTE 3 - EARNINGS PER SHARE

         The following is a reconciliation of the amounts utilized in the
computation of basic and diluted earnings per share (in thousands except per
share amounts):

<TABLE>
<CAPTION>
                                                          Three Months Ended                  Six Months Ended
                                                               March 31,                          March 31,
                                                   --------------------------------   -------------------------------
                                                         2000             1999             2000              1999
                                                    --------------    -------------   --------------    -------------
<S>                                                     <C>               <C>             <C>               <C>
BASIC EARNINGS PER SHARE:
    Net income                                          $ 9,352           $ 6,265         $17,606           $13,089
                                                        =======           =======         =======           =======

    Weighted average shares outstanding                  17,744            17,298          17,666            17,192
                                                        =======           =======         =======           =======

BASIC EARNINGS PER SHARE                                $  0.53           $  0.36         $  1.00           $  0.76
                                                        =======           =======         =======           =======

DILUTED EARNINGS PER SHARE:
    Net income                                          $ 9,352           $ 6,265         $17,606           $13,089
                                                        =======           =======         =======           =======


   Weighted average shares outstanding                   17,744            17,298          17,666            17,192
      Effect of dilutive securities:
        Stock options                                     1,289             1,266           1,215             1,272
                                                        -------           -------         -------           -------

      Diluted weighted average shares outstanding        19,033            18,564          18,881            18,464
                                                        =======           =======         =======           =======


DILUTED EARNINGS PER SHARE                              $  0.49           $  0.34         $  0.93           $  0.71
                                                        =======           =======         =======           =======
</TABLE>


NOTE 4 - MERGER AND ACQUISITIONS

         Merger: In July 1999, the Company completed its merger with SeaMED in a
transaction accounted for as a pooling of interests. Accordingly results for the
periods presented for fiscal 1999 have been restated to combine the results of
operations of both Plexus and SeaMED.

         Acquisitions: In September 1999, the Company acquired certain printed
circuit board assembly assets in the Chicago, Illinois area, in exchange for
cash. In addition, on December 31, 1999 the Company acquired certain printed
circuit board assembly assets in the Seattle, Washington area, in exchange for
cash. The total purchase price of the net assets acquired in each of the
transactions was not material to the assets, stockholders' equity, or the
operations of the Company. Both acquisitions were accounted for as purchase
transactions, and results from the operation of the acquired assets are
reflected only from the dates of the acquisitions. Pro forma statements of
operations reflecting these acquisition are not shown, as they would not differ
materially from reported results.

         On March 3, 2000, Plexus entered into an agreement to acquire Agility,
Incorporated a privately-held, Boston-area electronic manufacturing services
provider for stock. The transaction closed on April 28, 2000 with the issuance
of 374,997 shares of Plexus Corp. common stock. The transaction is being
accounted for as a pooling of interests. Pro forma statements of operations
reflecting this acquisition are not shown and prior results will not be
restated, as they would not differ materially from reported results.

         On March 30, 2000, Plexus signed a definitive agreement to acquire all
of the turnkey electronic manufacturing operations of Elamex, S.A. de C.V. The
purchase price is estimated at approximately $52 to $53 million in either all
cash, or a substantial majority in cash with the remaining consideration in
Plexus common stock. The transaction is expected to close during Plexus' third
fiscal quarter and will be accounted for as a purchase transaction.


                                       7

<PAGE>   8

NOTE 5 - RECLASSIFICATIONS

         Certain amounts in the prior year's consolidated financial statements
have been reclassified to conform to the fiscal 2000 presentation.


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

STATEMENT FOR PURPOSES OF THE "SAFE HARBOR" PROVISION OF THE PRIVATE SECURITIES
LITIGATION REFORM ACT OF 1995

         Management's Discussion and Analysis of Financial Condition and Results
of Operations, with the exception of historical matters, contains
forward-looking statements (such as statements in the future tense and
statements including "believe", "expect", "intend", "plan", "look forward to",
"anticipate" and similar terms) are forward-looking statements that involve
risks and uncertainties. Actual results may differ materially from these
statements as a result of various factors, including those discussed in further
detail below (in particular "General").

GENERAL

         Plexus Corp. is a contract service provider of design, manufacturing
and testing services to the electronics industry, headquartered in Neenah,
Wisconsin. Through its wholly owned subsidiaries, Plexus Technology Group, Inc.,
Plexus Electronic Assembly Corporation, SeaMED Corporation, and Agility,
Incorporated, the Company provides product realization services to original
equipment manufacturers in the medical, computer (primarily mainframes, servers
and peripherals), industrial, networking, telecommunications and transportation
electronics industries. The Company offers a full range of services including
product development and design, material procurement and management,
prototyping, assembly, testing, manufacturing, final system box build,
distribution and after market support.

         The Company's contract manufacturing services are provided on either a
turnkey basis, where the Company procures certain or all of the materials
required for product assembly, or on a consignment basis, where the customer
supplies some, or occasionally all, materials necessary for product assembly.
Turnkey services include material procurement and warehousing, in addition to
manufacturing, and involve greater resource investment and inventory risk
management than consignment services. Turnkey manufacturing currently represents
almost all of the Company's sales. Turnkey sales typically generate higher net
sales and higher gross profit dollars with lower gross margin percentages than
consignment sales due to the inclusion of component costs, and related markup,
in the Company's net sales. However, the Company takes on the risk of inventory
management, and a change in component costs can directly impact the average
selling price, gross margins and the Company's net sales. Due to the nature of
turnkey manufacturing, the Company's quarterly and annual results are affected
by the level and timing of customer orders, fluctuations in materials costs, and
the degree of automation used in the assembly process.

         Since a substantial portion of the Company's sales are derived from
turnkey manufacturing, net sales can be negatively impacted by component
shortages and their lead-times. Shortages of key electronic components which are
provided directly from customers or suppliers and their lead-times can cause
manufacturing interruptions, customer rescheduling issues, production downtime
and production set-up and restart inefficiencies. From time to time, allocations
of components can be an integral part of the electronics industry and component
shortages and extended lead-time issues can occur with respect to specific
industries or particular components (such as memory and logic devices). In such
cases, supply shortages could substantially curtail production of some or all
assemblies utilizing a particular component. In addition, at various times
industry wide shortages of electronic components have occurred, particularly for
memory and logic devises. Over the past six to twelve months the marketplace for
certain electronic components, primarily in the telecommunications and wireless
markets (in particular flash memory, tantalum capacitors, and SAW fibers), has
tightened from recent periods. This has resulted in the extension of certain
component lead-times, increased pricing and in certain instances has resulted in
the allocation of such components by the suppliers. In response to this dynamic
environment, the Company has a corporate procurement organization whose primary
purpose is to create strong supplier alliances to assure a steady flow of
components at competitive prices and mitigate shortages. Strategic relationships
have been established with international purchasing offices to improve shortage
and pricing issues. However, because of the limited number of suppliers for


                                       8
<PAGE>   9




certain electronic components and whether further tightening in the marketplace
for components could result in missed deliveries or de-commits from our
suppliers, along with other supply and demand concerns, the Company can neither
eliminate component shortages nor determine the timing or impact of such
shortages on the Company's results. In addition, because we provide our
customers component procurement services, we may bear the risk of price
increases for these components if we are unable to purchase them at the same
price that we agree with our customer on the pricing for the components. In
order to mitigate the Company's financial risk of component price increases, the
Company regularly reviews and adjusts for price fluctuations with customers. As
a result, the Company's sales and profitability can be affected from period to
period.

         Many of the industries for which the Company currently provides
electronic products are subject to rapid technological changes, product
obsolescence, increased competition, and pricing pressures. In the six months
ending March 31, 2000, less than 4 percent of the Company's total sales were
foreign. These and other factors which affect the industries or the markets that
the Company serves, and which affect any of the Company's major customers in
particular, could have a material adverse effect on the Company's results of
operations.

         The Company has no long-term volume commitments from its customers, and
lead-times for customer orders and product-life cycles continue to contract.
Although the Company obtains firm purchase orders from its customers, they
typically do not make firm orders for delivery of products more than 30 to 90
days in advance. The Company does not believe that the backlog of expected
product sales covered by firm purchase orders is a meaningful measure of future
sales since orders may be canceled and volume levels can be changed or delayed
at any time. The timely replacement of delayed, canceled or reduced programs
with new business cannot be assured. In recent periods, an increasing percentage
of the Company's sales have been sales to its largest customers, which may
increase the Company's dependence upon them. Because of these and other factors,
there can be no assurance that the Company's historical sales growth rate will
continue. See "Results of Operations -- Net Sales" below for certain factors
affecting net sales to the Company's largest customers.

         The Company believes that its growth has been achieved in significant
part by its approach to partnering with customers mainly through its product
design and development services. Approximately 15 to 20 percent of the Company's
contract manufacturing sales are a direct result of these services. The Company
intends to continue to leverage this aspect of its product design and
development services for continued growth in contract manufacturing revenues.
Currently, the design and development services are less than 10 percent of total
sales. In order to achieve expanded sales growth, the Company must continue to
generate additional sales from existing customers from both current and future
programs, and must successfully market to new customers. The Company must also
successfully integrate and leverage its new regional product design centers in
North Carolina, Colorado and Washington into this strategy. In addition, the
Company must continue to attract and retain top quality product development
engineers in order to continue to expand its design and development services.
Because of these and other factors, there can be no assurance that the Company's
historic growth rate or profitability levels will continue.

         Start-up costs and the management of labor and equipment efficiencies
for new programs and new customers can have an effect on the Company's gross
margins. Due to these and other factors, gross margins can be negatively
impacted early on in the life cycle of new programs. In addition, labor
efficiency and equipment utilization rates ultimately achieved and maintained by
the Company for new and current programs impact the Company's gross margins.

         On March 3, 2000, the Company agreed to acquire Agility, Incorporated,
a privately-held, Boston-area electronic manufacturing services provider. This
transaction was closed on April 28, 2000 through the issuance of 375,000 shares
of Plexus Corp. common stock. The transaction is being accounted for as a
pooling of interests however, prior results will not be restated, as they would
not differ materially from reported results. The addition of Agility establishes
a stronger presence with current New England area customers of Plexus, as well
as increases the Company's capacity to assemble complex printed circuit boards
with complete box and system build.

         On March 30, 2000, the Company signed a definitive agreement to acquire
all of the turnkey electronic manufacturing operations of Elamex, S.A. de C.V.
The acquisition will represent Plexus' initial expansion outside of the U.S. The
acquired Mexican operations, located in Juarez, will provide Plexus' existing
and potential customers with a proven low-cost labor solution. In addition,
Plexus will provide Elamex's existing customers access to its


                                       9
<PAGE>   10

leading-edge engineering, test and technology capabilities. The purchase price
is estimated at approximately $52 to $53 million, subject to certain closing
adjustments. The transaction will be either all cash, or a substantial majority
in cash with the remaining consideration in Plexus common stock. Subject to
various closing conditions, the transaction is expected to close during Plexus'
third fiscal quarter and will be accounted for as a purchase.

         The Company continues to look for opportunities for geographical
expansion that will improve the Company's ability to provide services to its
customers. Specifically, the Company is currently focused on adding a presence
in western Europe to service both current and new customers. Geographical
expansion and growth by acquisition can have an effect on the Company's
operations. In addition, as the Company expands internationally, that foreign
expansion could create additional integration issues as a result of differences
in foreign laws and customs, as well as distance and other factors affecting
international trade. The successful integration and operation of an acquired
business, requires communication and cooperation among key managers, along with
the transition of customer relationships. Acquisitions also involve risks
including the retention of key personnel and customers, the integration of
information systems and purchasing operations, the management of an increasingly
larger and more geographically dispersed business, and the diversion of
management's attention from other ongoing business concerns. In addition, while
the Company anticipates cost savings, operating efficiencies and other synergies
as a result of its acquisitions, the consolidation of functions and the
integration of departments, systems and procedures present significant
management challenges. The Company cannot assure that it will successfully
accomplish those actions as rapidly as expected. Also, the Company cannot assure
the extent to which it will achieve cost savings and efficiencies in any
transaction or expansion. There can be no assurance that the Company will
successfully manage the integration of new locations or acquired operations, and
the Company may experience certain inefficiencies that could negatively impact
the results of operations or the Company's financial condition. Additionally, no
assurance can be given that any past or future acquisition by the Company will
enhance the Company's business.

         The acquisition of new operations can introduce new types of risks to
the Company's business. Additional risk factors specific to SeaMED's business
and its operations include financing issues associated with SeaMED's emerging
medical customers, Food and Drug Administration (FDA) requirements associated
with Class III and pre-market approval (PMA) medical devices designed and
manufactured by SeaMED, and the uncertainty of third party reimbursement such as
Medicare, private health insurance companies or health maintenance organizations
by SeaMED's customers for the cost of their products. Specific risk factors
related to the pending acquisition of the Juarez, Mexico operations and other
foreign acquisitions will include foreign currency exchange, local customs and
practices, and management integration challenges.

         The Company operates in a highly competitive industry. The Company
faces competition from a number of domestic and foreign electronic manufacturing
services companies, some with financial and manufacturing resources
significantly greater than the Company's. The Company also faces competition in
the form of current and prospective customers that have the capabilities to
develop and manufacture products internally. In order to remain a viable
alternative, the Company must continue to enhance its total engineering and
manufacturing technologies.

         Other factors that could adversely affect forward-looking statements
include the level of overall growth in the electronics industry, the Company's
ability to integrate and extract value from acquired operations, the Company's
ability to secure new customers and maintain its current customer base, the
results of cost reduction efforts, material cost fluctuations and the adequate
availability of components and related parts for production, the effect of
changes in average selling prices, the risk of customer delays or cancellations
in both on-going and new programs, the effect of start-up costs related to new
programs and facilities, year 2000 compliance issues, the overall economic
conditions, the impact of increased competition and other factors and risks
detailed herein and in the Company's other Securities and Exchange Commission
filings.



RESULTS OF OPERATIONS


                                       10


<PAGE>   11

         In July 1999, the Company completed its merger with SeaMED in a
transaction accounted for as a pooling of interests. Accordingly results for the
periods presented for fiscal 1999 have been restated to combine the results of
operations of both Plexus and SeaMED; the results of other prior acquisitions,
which were accounted for using purchase accounting, are reflected only from the
dates of acquisition. The effects of the Agility acquisition are not yet
reflected, as it was completed after March 31, 2000.

NET SALES

         Net sales for the three months ended March 31, 2000, increased 36
percent to $162.0 million from $119.2 million for the same period in the prior
fiscal year. Net sales for the six months ended March 31, 2000, increased 29
percent to $309.1 million from $239.8 million. The increase in net sales was due
primarily to steady growth in the networking/telecom and medical sectors from
both existing and new customers obtained through internal growth and the
Illinois and Washington asset acquisitions. The growth in the networking/telecom
and medical industries were offset somewhat by a reduction in sales to the
computer and transportation industries and reduced sales volumes at its SeaMED
subsidiary. The Company believes that its overall sales growth reflects the
continuing trend towards outsourcing within the electronics industry.

         Sales for the quarter ended March 31, 2000 and 1999, respectively, by
industry were as follows: Networking/telecom 34 percent (24 percent), Medical 32
percent (31 percent), Industrial 19 percent (21 percent), Computer 10 percent
(15 percent), Transportation 4 percent (8 percent), and Other 1 percent (1
percent). The Company currently expects the percentage of sales to the
Networking/telecom industry to continue to grow in fiscal 2000.

         The Company's largest customers for the quarter ended March 31, 2000
were Lucent Technologies, Inc. (Lucent) and General Electric Company (GE) which
accounted for 22 percent and 12 percent of net sales, respectively, compared to
the quarter ended March 31, 1999 when Lucent and GE accounted for 16 percent and
12 percent of net sales, respectively. The Company's largest customers for the
six months ending March 31, 2000 were Lucent and General Electric Company (GE)
which accounted for 24 percent and 12 percent of net sales, respectively,
compared to the six months ending March 31, 1999 when Lucent and GE accounted
for 14 percent and 11 percent of net sales, respectively. No other customers
accounted for more than 10 percent of the Company's sales for the three or six
months ended March 31, 2000 or 1999. Sales to the Company's ten largest
customers accounted for 69 percent of sales for the six months ended March 31,
2000 compared to 59 percent for the same period in fiscal 1999 and 61 percent
for all of fiscal 1999. The Company remains dependent upon continued sales to
Lucent, GE and its other significant customers. Any material change in orders
from these or other customers could have a material effect on the Company's
results of operations.

GROSS PROFIT

         Gross profit increased to $23.1 million, or 37 percent, for the three
months ended March 31, 2000 from $16.8 million for the same period in the prior
fiscal year. The gross profit for the six months ended March 31, 2000 increased
29 percent to $43.7 million from $33.7 million for the six months ended March
31, 1999. The gross margin increased slightly from 14.1 percent for the three
months ended March 31, 1999 to 14.3 percent for the three months ended March 31,
2000. The gross margin for the six months ended March 31, 2000 was 14.1 percent,
compared to 13.5 percent for all of fiscal 1999.

         Most of the research and development conducted by the Company is paid
for by customers and is, therefore, included in cost of sales. Other research
and development is conducted by the Company, but is not specifically identified,
as the Company believes such expenses are less than 1 percent of its total
sales.

         The Company's gross margin also reflects a number of other factors
which can vary from period to period, including product mix, the level of
start-up costs and efficiencies of new programs, product life cycles, sales
volumes, price erosion within the electronics industry, capacity utilization of
surface mount and other equipment, labor costs and efficiencies, the management
of inventories, component pricing and shortages, average sales prices, the mix
of turnkey and consignment business, fluctuations and timing of customer orders,
changing demand for customer's products and competition within the electronics
business. Overall gross margins continue to be affected


                                       11


<PAGE>   12

by SeaMED's reduced sales volume, the effect of which may continue until
synergies and efficiencies are realized and SeaMED's cost structure is aligned
with its reduced sales volume, or until sales volumes increase. In addition,
gross margins resulting from the Juarez, Mexico acquisition are expected to be
below Plexus' historical operating margins. These and other factors can cause
variations in the Company's operating results. While the Company's focus is on
maintaining and expanding gross margins, there can be no assurance that gross
margins will not decrease in future periods.


OPERATING EXPENSES

         Selling and administrative (S&A) expenses increased to $8.0 million for
the three months ended March 31, 2000, compared to $6.7 million for the
comparable prior fiscal year period. S&A expenses for the six months ended March
31, 2000 and 1999 were $15.2 million and 12.8 million, respectively. As a
percentage of sales, S&A expenses were 4.9 percent for the three and six months
ended March 31, 2000 compared to 5.6 percent and 5.3 percent for the three and
six months ended March 31, 1999, respectively. S&A expenses were 5.4 percent for
all of fiscal 1999. The increases in absolute dollars reflect the Company's
planned increases in its sales and marketing efforts and information systems
support, while the decrease as a percentage of sales was attributable to the
increased leverage of additional sales. The Company anticipates that future S&A
expenses will increase in absolute dollars but remain approximately 5.0 percent
of sales, as the Company continues to expand these support areas.

         Severance costs of $237,000 for the quarter and six-month period ended
March 31, 1999 related to a staff reduction at the Company's SeaMED subsidiary,
prior to its agreement to be acquired by the Company, due to reduced sales
volume.

INCOME TAXES

         Income taxes increased to $6.2 million and $11.7 million for the three
and six months ended March 31, 2000 compared to $4.2 million and $8.6 million in
the comparable period in fiscal 1999, as a result of increased earnings. The
Company's effective income tax rate has remained constant at rates between 38
percent to 40 percent. These rates approximate the blended Federal and state
statutory rate as a result of all of the Company's operations currently being
located within the United States. This will change upon the completion of the
Mexican acquisition, although the Company does expect the effect to be material.

LIQUIDITY AND CAPITAL RESOURCES

         Cash flows provided by operating activities were $4.7 million for the
six months ended March 31, 2000 compared to $13.0 million in the comparable
period in fiscal 1999. Cash from operations was provided primarily by increased
net income and increased accounts payable offset by increases in accounts
receivable and inventory to support increased sales. The increase in the
Company's inventory levels are due to the Company's decision to support
anticipated future sales growth, as well as to maintain an ample supply of
components going forward in view of the tightening of certain component markets.
As a result, during the quarter, annualized inventory turnover decreased to 5.2
turns as of March 31, 2000, from 8.2 turns as of March 31, 1999 and from 6.2
turns for all of fiscal 1999.

         Cash flows used in investing activities totaled $0.4 million for the
six months ended March 31, 2000 and was primarily from maturity of short-term
investments offset by purchases of additional manufacturing equipment and
short-term investments.

         The Company utilizes available cash, debt and operating leases to fund
its manufacturing equipment needs. The Company utilizes operating leases
primarily in situations where technical obsolescence concerns are determined to
outweigh the benefits of financing the equipment purchase. Absent significant
acquisitions, the Company estimates capital expenditures for fiscal 2000 to be
approximately $25 million, including the expansion to the Neenah, Wisconsin
engineering facility currently in progress. The Company expects to fund these
additions and the pending Mexican acquisition through current cash and
short-term investments, cash flows from operations and the



                                       12



<PAGE>   13

revolving credit agreement. The Company is currently renegotiating and looking
to increase its $40 million long-term revolving credit agreement to provide for
sufficient funding levels after the Mexican acquisition. If the Company were to
determine to make additional acquisitions or a more significant expansion,
additional resources would likely be required.

         Cash flows provided by financing activities totaled $5.1 million for
the six months ended March 31, 2000, primarily representing the proceeds and tax
benefit from the exercise of stock options. There have been no borrowings under
the Company's revolving credit agreement since October 1, 1997. The ratio of
total debt-to-equity as of March 31, 2000 and September 30, 1999 was 0.6 to 1.

         The Company believes that it will be successful in renegotiating and
increasing its $40 million long-term revolving credit agreement. Included with
the Company's credit facility, its' leasing capabilities, cash and short-term
investments and projected cash from operations should be sufficient to meet its
working capital and capital requirements through fiscal 2000 and the foreseeable
future. While there can be no assurance that future financing will be available
on terms acceptable to the Company, the Company may seek to raise additional
capital through the issuance of either public or private debt or equity
securities to finance future acquisitions. Debt financing may require the
Company to pledge assets as collateral and comply with certain financial ratios
and covenants. Equity financing may result in dilution to stockholders.

         The Company has not paid dividends on its common stock, but has
reinvested its earnings to support its working capital and expansion
requirements. The Company intends to continue to utilize its earnings in the
development and expansion of the business and does not expect to pay cash
dividends in the foreseeable future.

ITEM 3.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

         The following discussion about the Company's risk-management activities
may include forward-looking statements that involve risk and uncertainties.
Actual results could differ materially from those discussed.

         The Company has financial instruments, including cash equivalents,
short-term investments and long-term debt arrangements, which are sensitive to
changes in interest rates. The Company currently does not use any interest-rate
swaps or other types of derivative financial instruments to limit its
sensitivity to changes in interest rates because of the relatively short-term
maturities (from one day to less than one year) of its cash equivalents and
short-term investments, and immaterial amount of long-term debt outstanding. The
Company invests in high credit quality issuers and, by policy, limits the amount
of principal exposure to any one issuer.

         The Company does not believe there have been any material changes in
the reported market risks faced by the Company since the end of its most recent
quarter March 31, 2000.


                           PART II - OTHER INFORMATION


ITEM 2.  CHANGES IN SECURITIES AND USE OF PROCEEDS

         On April 28, 2000, the Company issued 374,997 shares of common stock to
the six shareholders of Agility, Incorporated in connection with the Company's
acquisition of Agility. The securities were issued in consideration of all
outstanding securities of Agility. The transaction was exempt from registration
pursuant to Section 4(2) of the Securities Act and/or Regulation D thereunder as
it involved a private placement of securities to a limited group of people who
were capable of evaluating the risks and other attributes of the transaction.



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


                                       13

<PAGE>   14



         At the Company's annual meeting of shareholders on March 1, 2000, the
eight management nominees were elected to the board. The nominees/directors were
elected with the following votes:

<TABLE>
<CAPTION>
                                                                                        Authority for
         Director's Name                             Votes "For"                      Voting Withheld

<S>                                                  <C>                                    <C>
David J. Drury                                       14,932,394                             5,322
Dean A. Foate                                        14,932,380                             5,336
Harold R. Miller                                     14,929,350                             8,366
John L. Nussbaum                                     14,932,465                             5,251
Thomas J. Prosser                                    14,929,450                             8,266
Agustin A. Ramirez                                   14,932,396                             5,320
Peter Strandwitz                                     14,932,465                             5,251
Jan VerHagen                                         14,932,399                             5,317
</TABLE>

         In addition, at the annual meeting, shareholders approved the Company's
proposed 2000 Stock Purchase Plan. Vote on the plan was as follows:

<TABLE>
<S>                <C>                <C>                <C>
For:  10,338,637   Against:  637,471  Abstain:  40,694   Broker Non-Votes:  3,920,914
      ----------             -------            ------                     ----------
</TABLE>

ITEM 5.  OTHER INFORMATION

         The Company has settled the previously disclosed litigation, The Oneida
Tribe of Indians of Wisconsin vs. Plexus Corp. In connection with the
settlement, among other things, Plexus has ceased leasing the Green Bay facility
which was built by Oneida Nation Electronics, a tribally chartered corporation,
and previously was leased and operated by the Company. The Company does not
believe that the settlement of this matter will have a material affect upon its
business, operations or results.

         The Company has been named, along with several hundred other parties,
as defendant in an action by the Lemelson Medical, Education & Research
Foundation Limited Partnership ("Lemelson") related to the alleged possible
infringement of certain Lemelson patents relating to machine vision and bar-code
technology. Lemelson also has pending litigation with a number of the Company's
competitors and electronics original equipment manufacturers. Prior to the suit,
Plexus was evaluating Lemelson's claim, but Plexus had not yet determined if, or
to what extent, a license from Lemelson would be required. If a license is
required, based upon Plexus' understanding of the terms of similar licenses to
other parties, the Company believes (but cannot be certain) that a license could
be obtained on terms that would not have a material adverse effect on the
Company. However, if a license fee is paid in the future, that could affect the
results for the period or periods in which payment is made or accrued.
Additionally, the Company believes that it may be contractually indemnified by
the companies from which the Company purchased the machine vision and bar code
technology equipment, although certain of those manufacturers have disputed the
Company's indemnification claims. Plexus has not yet been served in the
litigation, and has not yet determined whether the fact of the commencement of
litigation will affect its position. The Company has chosen to provide
information on this matter, in part to update prior disclosures, even though it
does not believe that this matter will have a material affect on the Company

ITEM 6.  EXHIBITS AND REPORTS ON FORM 8-K

         (a)   Exhibits

                         Exhibit  2.1 - Stock Purchase Agreement between
                                        the Company and Elamex, dated March
                                        30, 2000
                         Exhibit 10.1 - Promissory Note dated March 13, 2000
                         Exhibit 27 - Financial Data Schedules

         (b)   Reports on Form 8-K - None filed during the quarter although the
               Company did file a Form 8-K dated April 28, 2000 reporting its
               acquisition of Agility, Incorporated









                                       14
<PAGE>   15

                                    SIGNATURE

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

 5/12/2000                             /s/ Peter Strandwitz
 ---------                          ---------------------------------
  Date                              Peter Strandwitz
                                    Chairman and CEO

 5/12/2000                             /s/ Thomas B. Sabol
 ---------                          ---------------------------------
  Date                              Thomas B. Sabol
                                    Vice President-Finance &
                                    Chief Financial Officer



                                       15

<PAGE>   1
                            STOCK PURCHASE AGREEMENT

                                  BY AND AMONG

                                  PLEXUS CORP.

                              ELAMEX, S.A. de C.V.

                                       AND

                  SERVICIOS ADMINISTRATIVOS ELAMEX, SA de C.V.











                           Dated as of March 30, 2000




<PAGE>   2



<TABLE>
<CAPTION>

                                                 TABLE OF CONTENTS

<S>                                                                                                              <C>
ARTICLE 1 CERTAIN DEFINITIONS.....................................................................................1
         Section 1.1       Certain Definitions....................................................................1

ARTICLE 2 PURCHASE AND SALE OF SHARES; OTHER AGREEMENTS...........................................................9
         Section 2.1       Purchase and Sale of the Shares........................................................9
         Section 2.2       Purchase and Sale of the Qualifying Share..............................................9
         Section 2.3       Payment of the Purchase Price..........................................................9
         Section 2.4       Closing Balance Sheet..................................................................9
         Section 2.5       Delivery of Stock Certificates........................................................10
         Section 2.6       Closing...............................................................................11
         Section 2.7       Transfer of Assets....................................................................11
         Section 2.8       Single Environmental License..........................................................11
         Section 2.9       IT System.............................................................................11
         Section 2.10      Noncompetition........................................................................12
         Section 2.11      Required Approvals....................................................................12
         Section 2.12      Form S-3 Registration.................................................................12
         Section 2.13      Nintendo Agreements...................................................................13
         Section 2.14      Warranty Work for Customers...........................................................14

ARTICLE 3 REPRESENTATIONS AND WARRANTIES OF SELLER AND QSN        ...............................................14
         Section 3.1       Organization; Business................................................................14
         Section 3.2       Capitalization........................................................................15
         Section 3.3       Authorization; Enforceability.........................................................15
         Section 3.4       No Violation or Conflict..............................................................15
         Section 3.5       Assets................................................................................16
         Section 3.6       Litigation............................................................................17
         Section 3.7       Financial Statements; Books and Records; Accounting Matters...........................17
         Section 3.8       Absence of Certain Changes............................................................18
         Section 3.9       Contracts.............................................................................19
         Section 3.10      Appraisal.............................................................................22
         Section 3.11      Territorial Restrictions..............................................................22
         Section 3.12      Customers and Suppliers...............................................................22
         Section 3.13      Insurance Policies....................................................................23
         Section 3.14      No Violation of Law; Permits..........................................................23
         Section 3.15      Real Property.........................................................................24
         Section 3.16      Brokers...............................................................................24
         Section 3.17      Taxes.................................................................................24
         Section 3.18      Disclosure............................................................................25
         Section 3.19      Vote Required.........................................................................25
         Section 3.20      Environmental Protection..............................................................25

</TABLE>



                                       ii

<PAGE>   3



<TABLE>



<S>                                                                                                             <C>
         Section 3.21      Facilities............................................................................26
         Section 3.22      Accounts..............................................................................26
         Section 3.23      Intangible Assets.....................................................................26
         Section 3.24      Service Company Operations............................................................27

ARTICLE 4 REPRESENTATIONS AND WARRANTIES OF PURCHASER............................................................27
         Section  4.1      Organization..........................................................................27
         Section 4.2       Authorization; Enforceability.........................................................27
         Section 4.3       No Violation or Conflict..............................................................28
         Section 4.4       Availability of Funds.................................................................28
         Section 4.5       Governmental Approvals................................................................28
         Section 4.6        Disclosure...........................................................................28

ARTICLE 5 CONDUCT OF BUSINESS PENDING THE CLOSING DATE...........................................................28
         Section 5.1       Carry on in Regular Course............................................................28
         Section 5.2       Use of Assets.........................................................................28
         Section 5.3       Compliance with Contracts.............................................................28
         Section 5.4       Employment Matters....................................................................28
         Section 5.5       Indebtedness..........................................................................29
         Section 5.6       Preservation of Relationships.........................................................29
         Section 5.7       Compliance with Laws..................................................................29
         Section 5.8       Taxes.................................................................................29
         Section 5.9       Amendments............................................................................29
         Section 5.10      Dividends;  Redemptions;  Issuance of Stock...........................................29
         Section 5.11      No Dispositions or Acquisitions.......................................................29
         Section 5.12      Cooperation...........................................................................29

ARTICLE 6 CONDITIONS PRECEDENT...................................................................................30
         Section 6.1       Conditions Precedent Relating to Purchaser............................................30
         Section 6.2       Conditions Precedent Relating to the Seller...........................................33

ARTICLE 7 INDEMNIFICATION........................................................................................34
         Section 7.1       Seller's Indemnity....................................................................34
         Section 7.2       Purchaser's Indemnity.................................................................36
         Section 7.3       Provisions Regarding Indemnities......................................................36

ARTICLE 8 TERMINATION............................................................................................38
         Section 8.1       Termination...........................................................................39
         Section 8.2       Rights on Termination; Waiver.........................................................39

ARTICLE 9 ARBITRAL AGREEMENT.....................................................................................39
         Section 9.1       Arbitration...........................................................................39
         Section 9.2       Place of Arbitration..................................................................39

</TABLE>


                                       iii

<PAGE>   4



<TABLE>


<S>                                                                                                              <C>
         Section 9.3       Language of Arbitration...............................................................39
         Section 9.4       Applicable Law........................................................................40

ARTICLE 10 MISCELLANEOUS.........................................................................................40
         Section 10.1      Notices...............................................................................40
         Section 10.2      Headings..............................................................................41
         Section 10.3      Counterparts..........................................................................41
         Section 10.4      Assignment............................................................................41
         Section 10.5      Severability..........................................................................41
         Section 10.6      Entire Agreement......................................................................41
         Section 10.7      Survival..............................................................................41
         Section 10.8      Public Disclosure.....................................................................41
         Section 10.9      Waiver of Pre-Emptive Rights..........................................................42
         Section 10.10     Knowledge of Seller and of QSN........................................................42
         Section 10.11     Construction..........................................................................42
         Section 10.12     No Third Party Beneficiaries..........................................................42
         Section 10.13     Exhibits and Disclosure Schedule......................................................42
         Section 10.14     Expenses..............................................................................42
         Section 10.15     Further Assurances....................................................................43
         Section 10.16     Amendment and Modification............................................................43

EXHIBITS:
         Exhibit A         Form of Escrow Agreement
         Exhibit B         Form of Employer Substitution Agreement
         Exhibit C         List of Fixed Assets
         Exhibit D         Inventory Adjustment Value and Accounts Adjustment Value
         Exhibit E         Form of IT Services Agreement
         Exhibit F         U.S. Payroll Employees
         Exhibit G         Confidentiality Agreement
         Exhibit H         Tax Compliance Items
         Exhibit I         Form of Seller's Counsel's Opinion
         Exhibit J         Form of Share Transfer Letter
         Exhibit K         Additional Assumed Liabilities
         Exhibit L         Form of Warehouse Services Agreement
         Exhibit M         Covered Employees
         Exhibit N         Amplicon Lease

</TABLE>


                                       iv

<PAGE>   5



                            STOCK PURCHASE AGREEMENT

         This Stock Purchase Agreement (the "Agreement"), dated as of March 30,
2000, is entered into by and between Plexus Corp. ("Purchaser"), Elamex, S.A. de
C.V., and Servicios Administrativos, Elamex, S.A. de C.V. ("QSN"), subject to
the following recitals and clauses:

                                    RECITALS

         1. Seller is in the business of providing Turnkey Contract Electronic
Manufacturing Services to original equipment manufacturers.

         2. Purchaser desires to acquire from Seller substantially all the
assets and other rights and liabilities of Seller relating to the Business, by
purchasing all outstanding capital stock of Newco and Service Company, as
defined herein, to which all such assets and other rights shall have been
contributed by Seller as provided herein.

         3. Seller desires to so contribute to Newco and Service Company the
assets and rights relating to the Business and to sell to Purchaser all
outstanding capital stock of Newco and Service Company, subject to the
assumption by Newco and Service Company of specified liabilities and
obligations, including certain liabilities and obligations related to the
Contracts.

         Accordingly, in consideration of the recitals, representations,
warranties and agreements contained herein and for other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, and
intending to be bound hereby, the parties hereto agree as follows:

                                    ARTICLE 1
                               CERTAIN DEFINITIONS

         SECTION 1.1 CERTAIN DEFINITIONS. As used herein, the following terms
shall have the meaning set forth below:

         "Accounts" shall mean all of Seller's and Newco's receivables
(including accounts receivable, loans receivable and advances) relating to the
Business.

         "Accounts Adjustment Amount" is defined in Exhibit D hereto.

         "Affiliate" of any Person shall mean a Person, other than a natural
person, that controls, is controlled by or is under common control with such
Person (it being understood, that a Person shall be deemed to "control" another
Person, for purposes of this definition, if such Person directly or indirectly
has the power to direct or cause the direction of the management and policies of
such other Person, whether, through holding ownership interests in such other
Person, through agreements or otherwise).


                                        1

<PAGE>   6



         "Amplicon Lease" shall mean the equipment lease attached hereto as
Exhibit N.

         "Assets" shall mean the Fixed Assets, the Inventory, the Intangible
Assets, the Miscellaneous Assets, the Leases, the Contracts and the Accounts.

         "Assumed Liabilities" shall mean (i) the following liabilities of the
Business and no others: (a) accrued liabilities to the extent and in the amount
such liabilities are or will be reflected on the Closing Balance Sheet; (b)
liabilities and obligations arising in the ordinary course of business and
consistent with prior practice after the Effective Time of Closing under each
Contract (which shall not include any liabilities or obligations for events
occurring or conditions existing prior to the Effective Time of Closing, except
to the extent (and in the amount) reflected on the Closing Balance Sheet); and
(c) the liabilities described on Exhibit K hereto; provided, that the Assumed
Liabilities shall not include any liabilities arising from or related to the
Nintendo Agreements or the Lockheed Agreement.

         "Balance Sheet" shall mean the unaudited consolidated balance sheet of
the Business as of February 25, 2000, which was prepared by Seller and is
included in the Financial Statements.

         "Balance Sheet Date" shall mean February 25, 2000.

         "Business Day" shall mean each Monday, Tuesday, Wednesday, Thursday and
Friday which is not a day on which banking institutions in New York, United
States of America or Mexico, D.F. are authorized or obligated to close by law or
executive order.

         "Business" shall mean Seller's business of providing Turnkey Contract
Electronic Manufacturing Services to original equipment manufacturers; provided,
that Business shall not mean or include Seller's provision of Turnkey Contract
Electronic Manufacturing Services to Lockheed Martin pursuant to the Lockheed
Martin Agreement or to Nintendo pursuant to the Nintendo Agreements.

         "Closing" shall mean the consummation of the transactions contemplated
by this Agreement.

         "Closing Balance Sheet" shall mean the audited consolidated balance
sheet of Newco and Service Company dated as of the Effective Time of Closing,
prepared by Seller in accordance with GAAP and otherwise on a basis consistent
with the Balance Sheet, which balance sheet shall be audited by Deloitte &
Touche, LLP.

         "Closing Date" shall mean May 1, 2000 or such later date on which all
conditions to the obligations of Seller and Purchaser set forth herein shall
have been satisfied or waived.

          "Closing Net Book Value" shall mean the excess, if any, of the total
assets of Newco and Service Company over the total liabilities of Newco and
Service Company, as reflected on the


                                        2

<PAGE>   7



Closing Balance Sheet and which shall be determined without regard to the effect
of the Prefunding Loan or the Prefunding Capital Redemption.

         "Confidentiality Agreement" shall mean the undated Non-Disclosure
Agreement between Purchaser and Seller, attached hereto as Exhibit G.

         "Contracts" is defined in Section 3.9.

         "Covered Employees" shall mean the employees of the Business set forth
on Exhibit M hereto.

         "Disclosure Schedule" shall mean the disclosure schedule dated the date
of this Agreement delivered by Seller to Purchaser contemporaneously with the
execution and delivery of this Agreement.

         "Effective Time of Closing" shall mean 5:00 p.m. Mountain Time on the
Closing Date.

         "Electronic Manufacturing Services" shall mean any process by which
individual electronic components such as transistors, resistors, diodes,
integrated circuits, microprocessors, memory chips, or capacitors are adhered to
a printed circuit board.

         "Employer Substitution Agreement" shall mean the Employer Substitution
Agreement among Elamex de Juarez, S.A. de C. V., Servicios Administrativos
Elamex, S.A. de C.V. and Service Company in substantially the form attached
hereto as Exhibit B.

         "Environmental Claim" shall mean any and all written administrative,
regulatory, judicial, or third party actions, suits, demands, demand letters,
directives, claims, Liens, written demands for information or action,
proceedings or notices of noncompliance or violation by any Person alleging
damage or other adverse effect on the environment, or potential liability
(including, without limitation, potential liability for enforcement,
investigative costs, cleanup costs, governmental response costs, removal costs,
remedial costs, natural resources damages, property damages, personal injuries,
or penalties) arising out of, based on or resulting from: (i) environmental
aspects of the transportation, storage, treatment or disposal of Hazardous
Materials in connection with the operation of the Business; or (ii)
circumstances forming the basis of any violation or alleged violation of any
Environmental Law; or (iv) any and all claims by any person or entity seeking
damages, contribution, indemnification, cost, recovery, compensation or
injunctive relief resulting from the presence or release of any Hazardous
Materials.

         "Environmental Laws" shall mean the General Law of Ecological
Equilibrium and Environmental Protection, its regulations and the applicable
Mexican Official Standards.

         "Escrow Account" shall mean the account created pursuant to the Escrow
Agreement.


                                        3

<PAGE>   8



         "Escrow Agent" shall mean Norwest Bank, N.A., or such other independent
U.S. bank mutually acceptable to Seller and Purchaser.

         "Escrow Agreement" shall mean the Escrow Agreement, substantially in
the form of Exhibit A hereto, dated as of the Closing Date, among Purchaser,
Seller, QSN and the Escrow Agent named therein.

         "Facilities" shall mean the factory located at Avenida de las Torres #
2304 and the factory located at 20 de Noviembre # 4305 Ote., both located in
Ciudad Juarez, State of Chihuahua, Mexico, including the parcels of real
property related thereto, as well as all buildings and all real property
fixtures, structures and improvements leased, owned or held for use by Seller or
Newco in connection with the Business and located on such parcels.

         "Financial Statements" shall mean (i) the unaudited consolidated
balance sheet of the Business prepared by Seller as of February 25, 2000, a copy
of which has previously been provided to Purchaser and (ii) the unaudited
customer statements of income in respect of the Business and Seller's Turnkey
Contract Electronic Manufacturing Services in respect of the Nintendo Agreements
and the Lockheed Agreement prepared by Seller for the annual periods ended
December 31, 1997, 1998 and 1999, copies of which have previously been provided
to Purchaser.

         "Fixed Assets" shall mean all tooling (including tooling held
off-site), machinery, equipment, computer and office equipment, furniture and
all other tangible property other than Inventory, Miscellaneous Assets and Real
Property owned by Seller or Newco and used or held for use by Seller or Newco in
the operation of the Business, including without limitation, the assets set
forth on Exhibit C hereto but excluding the Nintendo Equipment.

         "GAAP" shall mean United States generally accepted accounting
principles, applied on a consistent basis throughout all relevant periods.

         "Governmental Authority" shall mean any nation or government, any state
or other political subdivision thereof, and any entity or official properly
exercising executive, legislative, judicial, regulatory or administrative
functions of, or pertaining to government.

         "HSR Act" shall mean the Hart-Scott-Rodino Antitrust Improvements Act
of 1976, as amended.

         "Hazardous Materials" shall mean: (A) any petroleum or petroleum
products, radioactive materials, asbestos in any form that is or could become
friable, urea formaldehyde foam insulation, and transformers or other equipment
that contain dielectric fluid containing levels of poly chlorinated biphenyls
(PCBs) and radon gas; and (B) any chemicals, materials or substances which are
now defined as or included in the definition of "hazardous substances,"
"hazardous wastes," "hazardous materials," "extremely hazardous wastes,"
"restricted hazardous wastes,"


                                        4

<PAGE>   9



"toxic substances," "toxic pollutants," or words of similar import, under any
Environmental Law; and (C) any other chemical, material, substance or waste,
exposure to which is now prohibited, limited or regulated by any Governmental
Authority.

         "Intangible Assets" shall mean all Mexican, U.S. and foreign patents,
patent applications, trade names, trademarks, service marks, trademark
registrations, service mark registrations, trademark applications, service mark
applications, registered copyrights, copyright applications and proprietary
software owned or licensed by Seller and used or held for use (as such use is
described in the IT Services Agreement) by Seller or Newco in connection with or
necessary for the operation of the Business or ownership of the Assets.

         "Inventory" shall mean all inventories of raw materials, stores,
supplies, spare and repair parts, work in process, semi-finished goods and
finished goods owned by and used or held for use by Seller or Newco in the
Business.

         "Inventory Adjustment Amount" is defined in Exhibit D hereto.

         "IT Services Agreement" shall mean the Information Technologies Service
Agreement between Purchaser and Seller in substantially the form attached as
Exhibit E.

         "Labor Claim" shall mean any claim against Newco, Service Company or
the Business or any officer, director or shareholder of Newco, Service Company
or any other entity involved in the Business by any Person seeking payment of
wages, salaries, benefits, severance, damages, indemnification or any other
relief in connection with a labor relationship or alleged labor relationship in
connection with the Business.

         "Law" shall mean all applicable provisions of any federal, state,
foreign, local or other law, ordinance, rule, regulation, or governmental
requirement or restriction of any kind, including any rules, regulations, and
orders promulgated thereunder, and any final orders, decrees, consents, or
judgments of any regulatory agency or court.

         "Leases" shall mean each of the lease agreement dated April 1, 1995
between Seller, as lessee, and Ferchisa, as lessor, and the lease agreement
dated June 21, 1999 between Seller, as lessee, and Corporacion Chihuahua, as
lessor, relating to the Facilities, copies of which previously have been
provided to Purchaser.

         "Lien" with respect to any asset shall mean any mortgage, pledge, lien,
charge, claim, restriction, reservation, easement, covenant, lease,
encroachment, title defect, imposition, limitation of domain, right of first
refusal, security interest, inchoate lien, or other encumbrance of any kind and
the interest of a vendor or lessor under any conditional sale agreement,
financing lease or other title retention agreement related to such asset.




                                        5

<PAGE>   10



         "Lockheed Agreement" shall mean the Site Requirement Document for
Electrical and Electronic Assembly, Printed Wire Assembly and Wire and Harness
Assembly, SRD EPO- FY94-0001, dated April 19, 1996, a copy of which has
previously been provided to Purchaser, and related purchase orders.


         "Material Adverse Effect" in respect of a Person shall mean any event,
condition or fact which is, or reasonably may be expected to be, materially
adverse to the financial condition, properties, business or results of
operations of such Person and its subsidiaries, taken as a whole, other than
events, conditions or facts arising out of general economic conditions unrelated
to the business in which such Person is engaged.

         "Miscellaneous Assets" shall mean factory supplies (other than spare
and repair parts) and office supplies owned by Seller or Newco and used or held
for use by Seller or Newco in the operation of the Business.

         "Newco" shall mean Electronica las Torres, S.A. de C.V., a Mexican
company.

         "Newco Qualifying Share" shall mean one share of Newco Common Stock
issued by Newco and owned by QSN on the Closing Date.

         "Newco Shares" shall mean all outstanding shares of capital stock
issued by Newco as of the Closing Date, with the exception of the Newco
Qualifying Share.

         "Nintendo" is defined in Section 2.13 hereof.

         "Nintendo Agreements" is defined in Section 2.13 hereof.

         "Nintendo Equipment" is defined in Section 2.13 hereof.

         "Parties" shall mean Purchaser, Seller and QSN.

         "Person" means an individual, limited liability company, partnership,
corporation, business trust, joint stock company, trust, unincorporated
association, Governmental Authority or other entity.

         "Prefunding Capital Redemption" shall mean the cash distribution by
Newco to Seller prior to Closing in an amount equal to the Prefunding Loan.

         "Prefunding Loan" shall mean a demand loan from Purchaser to Newco in
an amount equal to the Preliminary Net Book Value.



                                        6
<PAGE>   11

         "Preliminary Closing Balance Sheet" shall mean the unaudited
consolidated balance sheet of Newco and Service Company prepared by Seller as of
a date not more than 30 days prior to the Closing Date.

         "Preliminary Net Book Value" shall mean the excess, if any, of the
total assets of Newco and Service Company over the total liabilities of Newco
and Service Company, as reflected on the Preliminary Closing Balance Sheet.

         "Purchase Price" shall mean, at the written election of Seller
delivered to Purchaser not less than 10 days before Closing, either (i)
US$52,000,000 in cash less the amount of the Prefunding Loan and plus or minus
the amount by which the Preliminary Net Book Value is more or less,
respectively, than US$26,500,000 or (ii) a total sum of US$53,000,000 less the
amount of the Prefunding Loan and plus or minus the amount by which the
Preliminary Net Book Value is more or less, respectively, than US$26,500,000,
which total sum shall be composed of cash in an amount (to be determined by
Seller by written notice to Purchaser not less than three Business Days prior to
Closing) not less than US$45,000,000 less the amount of the Prefunding Loan and
plus or minus the amount by which the Preliminary Net Book Value is more or
less, respectively, than US$26,500,000, nor more than US$48,000,000 less the
amount of the Prefunding Loan and plus or minus the amount by which the
Preliminary Net Book Value is more or less, respectively, than US$26,500,000,
with the remainder in the form of Purchaser's common stock, par value $.01 per
share, valued at the average of the closing price on The Nasdaq Stock Market on
each of the 30 trading days ending three days prior to the Closing Date. The
Purchase Price is subject to adjustment as provided in Section 2.4 hereof.

         "Purchase Price Holdback" shall mean the sum of: (i) the Inventory
Adjustment Amount; (ii) the Accounts Adjustment Amount; and (iii) US$50,000.

         "Purchased Shares" shall mean the Shares and the Qualifying Shares.

         "Qualifying Shares" shall mean the Newco Qualifying Share and the
Service Company Qualifying Share.

         "Real Property" shall mean all real property subject to the Leases.

         "RNIE" shall mean the Mexican National Foreign Investment Registry
(Registro Nacional de Inversiones Extranjeras).

         "Seller" shall mean Elamex S.A. de C.V., together with its Subsidiaries
on a consolidated basis.

         "Service Company" shall mean Servicios Administrativos las Torres, S.A.
de C.V., a Mexican company.



                                        7

<PAGE>   12



         "Service Company Qualifying Share" shall mean one share of Service
Company Common Stock issued by Newco and owned by QSN on the Closing Date.

         "Service Company Shares" shall mean all outstanding shares of capital
stock issued by Service Company as of the Closing Date, with the exception of
the Service Company Qualifying Share.

         "Shares" shall mean the Newco Shares and the Service Company Shares.

         "Single Environmental License" shall mean the Single Environmental
License (Licencia Ambiental Unica or LAU) issued pursuant to Mexican
Environmental Laws in respect of operation of the Business at the Facilities.

         "Subsidiaries" shall mean each corporation or other Person in which a
Person owns or controls, directly or indirectly, capital stock or other equity
interests representing at least 50% of the outstanding voting stock or other
equity interests.

         "Tax" shall mean any federal, state, provincial, local, foreign or
other income, alternative, minimum, accumulated earnings, personal holding
company, franchise, capital stock, net worth, capital, profits, windfall
profits, gross receipts, value added, sales, use, goods and services, excise,
customs duties, transfer, conveyance, mortgage, registration, stamp,
documentary, recording, premium, severance, environmental, real property,
personal property, ad valorem, intangibles, rent, occupancy, license,
occupational, employment, unemployment insurance, social security, disability,
workers' compensation, payroll, health care, withholding, estimated or other
similar tax, duty or other governmental charge or assessment or deficiencies
thereof (including all interest and penalties thereon and additions thereto
whether disputed or not), including without limitation, any and all of the
burdens or contributions (contribuciones) established by Article 2 of the
Mexican Federal Tax Code (Codigo Fiscal de la Federacion), including any and all
fines, assessments or other charges imposed by a proper taxing authority
(accessorios).

         "Tax Claim" shall mean any and all claims and/or determinations made by
any Tax authority inasmuch as such claim and/or determination relates to the
Business to the effect that: (i) Newco or any of its Affiliates or shareholders
have violated any tax law or regulation; or (ii) Newco or any of its Affiliates
or shareholders omitted the payment of Taxes; or (iii) Newco or any of its
Affiliates or shareholders are subject to any estimation or presumption of
profits and/or of any withholding Taxes; or (iv) Newco or any of its Affiliates
or shareholders are subject to any Tax liability; or (v) Newco or any of its
Affiliates or shareholders are subject to liability for a computing and/or
assessment of a deficiency in the amount of Taxes Newco and/or any of its
Affiliates or shareholders should have paid; or (vi) Newco or any of its
Affiliates or shareholders are ordered to pay any Taxes; (vii) there is ordered,
notified or executed any Lien on any good owned by Newco or any of its
Affiliates or shareholders; (viii) Newco, Purchaser or any Affiliate of Newco,
or any officer, director or shareholder of Newco or Purchaser or any Affiliate
of either is attributed any tax liability, including any joint liability arising
out of the


                                        8

<PAGE>   13



conduct of the Business at or before Closing, including without limitation the
consummation of the transactions contemplated hereby.

         "Turnkey Contract Electronic Manufacturing Services" shall mean
Electronic Manufacturing Services in connection with which the provider controls
the procurement and production functions, utilizing materials and inventory
which may be owned by the provider, the provider's customer or other parties.

         "US$" shall mean Dollars, the lawful currency of the United States of
America.

         "Warehouse Services Agreement" shall mean the El Paso Warehouse
Services Agreement between Seller and Purchaser in substantially the form
attached hereto as Exhibit L.

                                    ARTICLE 2
                  PURCHASE AND SALE OF SHARES; OTHER AGREEMENTS

         SECTION 2.1 PURCHASE AND SALE OF THE SHARES. Subject to the terms and
conditions set forth in this Agreement, at the Closing, Seller agrees to sell,
assign, convey and deliver to Purchaser all of the Shares, and Purchaser agrees
to purchase and take delivery of all of the Shares from Seller for the
consideration specified in this Agreement, free and clear of any Liens.

         SECTION 2.2 PURCHASE AND SALE OF THE QUALIFYING SHARE. Subject to the
terms and conditions set forth in this Agreement, at the Closing, QSN agrees to
sell, assign, convey and deliver to Purchaser or to any Person named by
Purchaser, the Qualifying Shares, and Purchaser agrees to purchase and take
delivery of the Qualifying Shares from QSN, or name a Person to purchase and
take delivery of the Qualifying Shares, for the consideration specified in this
Agreement, free and clear of any Liens.

         SECTION 2.3 PAYMENT OF THE PURCHASE PRICE. Subject to the terms and
conditions set forth in this Agreement, at the Closing, Purchaser shall (a) pay
to Seller, via wire transfer in immediately available funds and in accordance
with instructions provided by Seller (which instructions may designate up to two
accounts to which funds shall be transferred), an amount equal to the cash
portion of the Purchase Price less the Purchase Price Holdback, (b) cause to be
issued to Seller the common stock portion of the Purchase Price, if any, by
delivery of duly executed stock certificates (with private placement legends
thereon) and (c) pay to the Escrow Agent via wire transfer, an amount equal to
the Purchase Price Holdback, to be held and distributed pursuant to the Escrow
Agreement and as provided herein. Seller acknowledges and agrees that any shares
of Purchaser common stock issued as part of the Purchase Price shall be issued
in a private placement pursuant to an exemption from the registration
requirements of the U.S. Securities Act of 1933, as amended (the "Act"), and as
such will not be transferrable by Seller absent an available exemption from
registration or registration under the Act.


                                        9



<PAGE>   14

         SECTION 2.4 CLOSING BALANCE SHEET; PURCHASE PRICE HOLDBACK.


         (a) For purposes of subsection (c) below, Newco's and Service Company's
books of account shall be closed as of the Effective Time of Closing. As soon as
practicable after the Effective Time of Closing, but in no event later than 30
calendar days thereafter, Seller shall prepare the Closing Balance Sheet and
shall cause it to be audited by Deloitte & Touche, LLP. Purchaser shall have the
right to receive and review all work papers and other materials used by Seller
to prepare the Closing Balance Sheet and all audit work papers and other
materials used by Deloitte & Touche, LLP in connection with such audit. Seller
shall provide access and shall cause its accountants to provide access to such
materials to Purchaser and its accountants as and when such materials are
prepared.

         (b) For purposes of subsection (c) below, the Closing Balance Sheet
shall be conclusive and binding upon Seller and Purchaser unless within 30 days
following the later of (i) the date on which Purchaser receives the Closing
Balance Sheet and (ii) the date on which Purchaser is provided access to all
audit workpapers relating to the Closing Balance Sheet, Purchaser delivers to
Seller a written notice of dispute with respect thereto. In such case, Purchaser
and Seller shall thereafter use their best efforts to resolve such dispute;
provided, however, that if no resolution is reached on or before the 60th day
following the Effective Time of Closing, Purchaser and Seller shall employ, at
Purchaser's and Seller's equally shared expense, Ernst & Young, LLP, or such
other mutually acceptable internationally recognized firm of independent
auditors, for purposes of settling the dispute. Such accountants shall finalize
the Closing Balance Sheet using such methods as such firm deems appropriate
(including an audit, if necessary), and such determination shall be conclusive
and binding upon Purchaser and Seller.

         (c) Not later than 35 days after receipt by Purchaser of the Closing
Balance Sheet or, if Purchaser shall deliver a notice of dispute with respect
thereto in accordance with Section 2.4(b), not later than seven days after the
earlier of (x) the date the Closing Balance Sheet is agreed upon by Purchaser
and Seller or (y) the date Purchaser and Seller receive the final Closing
Balance Sheet, as determined by the independent auditors as provided in such
Section 2.4(b), Seller or Purchaser shall pay to the other the following amount
as an adjustment to the Purchase Price:

                  (i) if the Closing Net Book Value is greater than the
                  Preliminary Net Book Value, Purchaser shall pay such
                  difference to Seller by wire transfer of immediately available
                  funds to an account designated by Seller; and

                  (ii) if the Closing Net Book Value is less than the
                  Preliminary Net Book Value, Seller shall pay such difference
                  to Purchaser by wire transfer of immediately available funds
                  to an account designated by Purchaser.

         (d) The Purchase Price Holdback shall be distributed by the Escrow
Agent in accordance with the procedures set forth on Exhibit D hereto.



                                       10

<PAGE>   15



         SECTION 2.5 DELIVERY OF STOCK CERTIFICATES. On the Closing Date, the
Seller shall transfer or cause to be transferred and physically deliver to
Purchaser the stock certificates representing the Purchased Shares, duly issued
by Newco or Service Company, as the case may be, in accordance with applicable
law, duly endorsed and in full compliance with all corporate and regulatory
requirements for transfer as provided in Newco's or Service Company's bylaws and
articles of incorporation.

         In addition, Seller shall:

         (a) Provide Purchaser with Newco's and Service Company's Books of Libro
de Actas, as well as a company shareholders' resolutions, if necessary,
authorizing the transfer of the Shares and of the Qualifying Shares in
accordance with this Agreement;

         (b) Provide Purchaser with Newco's and Service Company's Shares
Registry Books evidencing Seller's registration as legitimate holder of record
of the Shares; QSN's registration as legitimate holder of record of the
Qualifying Shares; as well as the new entries evidencing Purchaser as the
legitimate new holder of record of the Shares, and the Person to be named by
Purchaser as new holder of record of the Qualifying Shares;

         (c) Provide Purchaser with a written certification from Newco's and
Service Company's Secretary of the Board of Directors representing that the
Shares and the Qualifying Shares are free and clear of any and all Liens,
encumbrances or limitations of domain which may hinder Purchaser's title
thereto, or the title of the Person named to acquire the Qualifying Shares;

         (d) If required under Newco's or Service Company's corporate documents,
provide Purchaser with a written authorization of Newco's or Service Company's
Board of Directors to sell and transfer the Shares to Purchaser and the
Qualifying Shares to the Person named by Purchaser; and

         (e) Provide to Purchaser, and cause QSN to deliver to Purchaser,
written waivers forfeiting their preemptive right, if any, to acquire shares
issued by Newco or Service Company.

         The foregoing requirements are cumulative to, and not independent from
Seller's and QSN's compliance with the other terms and conditions set forth in
this Agreement.

         SECTION 2.6 CLOSING. The Closing shall take place at the offices of
Bryan, Gonzalez Vargas y Gonzalez Baz, S.C., Av. 16 de Septiembre 2026 Ote.,
Ciudad Juarez, State of Chihuahua, Mexico, at 10:00 a.m. Mountain Standard Time,
on the Closing Date.

         SECTION 2.7 TRANSFER OF ASSETS. Prior to the date of the Preliminary
Closing Balance Sheet, (i) Seller shall transfer to Newco, as a contribution to
capital and for no other consideration, all the Assets, free and clear of any
Liens and Newco shall assume the Assumed Liabilities other than those assumed
pursuant to the Employer Substitution Agreements and (ii)


                                       11

<PAGE>   16



Seller shall cause the Service Company to enter into the Employer Substitution
Agreement in respect of the Covered Employees.

         SECTION 2.8 SINGLE ENVIRONMENTAL LICENSE. Not later than five business
days after the date hereof, Seller shall cause Newco to appropriately file in
compliance with all the applicable legal requirements, the application to obtain
the Single Environmental License, provided that the parties acknowledge that as
at the Closing Date the procedure to have the Single Environmental License
issued will still be in process.

         SECTION 2.9 IT SYSTEM. Purchaser and Seller acknowledge that Seller
operates on a different IT platform and network than Purchaser. Accordingly,
Seller agrees to allow Purchaser to remain on Seller's IT system in accordance
with the IT Support Services Agreement.

         SECTION 2.10 NONCOMPETITION.

         (a) Neither Seller nor any Affiliate thereof nor QSN shall, directly or
indirectly, compete with Newco and/or with Purchaser in connection with Turnkey
Contract Electronic Manufacturing Services in Mexico for a period of four years
after the Closing Date. In furtherance, but not in limitation of the foregoing,
Seller agrees not to set up, own, manage or otherwise support another contract
Electronic Manufacturing Services operation, (either directly or indirectly,
including through a subsidiary, partnership or other legal entity), or knowingly
provide services (including shelter services) for another manufacturer providing
contract Electronics Manufacturing Services (either directly or indirectly)
within four years after the Closing. Seller further agrees not to provide any
contract Electronics Manufacturing Services or any electronics shelter services
for the companies listed in Section 2.10(a) of the Disclosure Schedule, without
Purchaser's prior written approval, for four years after the Closing. The
restrictions contained in this Section 2.10 shall not apply to Seller's metal
stamping and plastics services, including any and all existing activities of the
entities conducting those services, nor do they apply to any Affiliate of Seller
after the termination of the relationship between Seller and the Affiliate.

         (b) Notwithstanding the foregoing Section 2.10(a), Seller may continue
to service after Closing those current Electronic Manufacturing Services
contracts set forth in Section 2.10(b) of the Disclosure Schedule.

         SECTION 2.11 REQUIRED APPROVALS. As promptly as practicable after the
date of this Agreement, Seller will, and will cause Newco and Service Company
to, make all filings required by applicable Law to be made by them in order to
consummate the transactions contemplated hereby (including all filings under the
HSR Act). Between the date of this Agreement and the Closing Date, Seller will,
and will cause Newco and Service Company to, (a) cooperate with Purchaser with
respect to all filings that Purchaser elects to make or is required by
applicable Law to make in connection with the transactions contemplated hereby,
and (b) cooperate with Purchaser in obtaining all third party consents required
to consummate the transactions


                                       12


<PAGE>   17



contemplated hereby, including the consents described in Section 6.1(d) hereof
(and including taking all actions requested by Purchaser to cause early
termination of any applicable waiting period under the HSR Act).

         SECTION 2.12 FORM S-3 REGISTRATION.

         (a) In the event Seller shall duly elect to receive any portion of the
Purchase Price in the form of Purchaser's common stock, as soon as practicable
after the Closing Date, but in any event, within five Business Days thereafter,
Purchaser shall prepare and file with the Securities and Exchange Commission a
Registration Statement (the "Registration Statement") on Form S-3 (or any
successor or other appropriate form) for resale of the shares of Purchaser
common stock delivered to Seller in accordance with Section 2.3 hereof, and
shall use its best efforts to have such filing declared effective under the Act
as promptly as practicable thereafter and to continue the effectiveness of such
registration until the first anniversary of the Effective Time of Closing (plus
the amount of time by which the filing of the Registration Statement is delayed
or during which the sales are suspended by Seller, in each case as provided
below in this Section 2.12).

         (b) For purposes of the Registration Statement, Seller agrees to
provide Purchaser not later than May 29, 2000, a consolidated balance sheet and
income statement for the Business, audited by Deloitte & Touche, LLP, for the
year ended December 31, 1999 (the "Audited Statement for the Business"). The
Audited Statement for the Business shall be prepared in compliance with Sections
3-05 and 3-13 of Regulation S-X under the Securities Exchange Act of 1934, as
amended. Notwithstanding Purchaser's agreement to file the aforementioned
Registration Statement as quickly as practicable and in any event within five
Business Days after the Closing, such filing may be delayed until 10 Business
days after Purchaser receives from Seller the Audited Statement for the
Business. It is understood that the Audited Statement for the Business may
differ in certain respects from the customer income statements included in the
Financial Statements due to certain adjustments and allocations associated with
the preparation of financial statements of a portion of a business. The
representations and warranties in Section 3.7 hereof in respect of the Financial
Statements shall not be deemed to be breached solely because of the existence of
any such difference. Purchaser shall pay for all costs of auditing the Audited
Statement for the Business referred to in this Section 2.12, provided Purchaser
is allowed to participate in all fee arrangement discussions with the auditing
firm.

         (c) Purchaser may postpone, for up to sixty (60) days, the filing of
the Registration Statement if such registration would give rise to a disclosure
obligation that would not be in the best interest of Purchaser's shareholders.
If, after the Registration Statement becomes effective, the continuation of the
Registration Statement would give rise to a disclosure obligation that would not
be in the best interest of Purchaser's shareholders or if Purchaser considers it
necessary for the Registration Statement to be amended, Seller shall suspend
sales until Purchaser advises Seller that such disclosure has been made or is no
longer required, or the Registration Statement has been amended, as the case may
be, but in any event, not for more than 60 days. Purchaser shall promptly notify
Seller of any event, and use its reasonable best efforts


                                       13

<PAGE>   18



to minimize any such postponement or suspension. As of the date hereof,
Purchaser is unaware of any fact, circumstance or event which would be the basis
for postponing the filing of the Registration Statement. The certificates for
the shares which are sold pursuant to such registration shall be free of any
legend relating to transfer restrictions. Seller agrees that no more than 10,000
shares will be sold pursuant to such registration in any one trading day until
September 30, 2000, after which time Seller may sell the shares without regard
to such volume restriction.

         (d) Seller shall pay one-half of all out-of-pocket expenses incurred by
Purchaser in connection with the preparation and filing of the Registration
Statement, but not more than US$12,500.

         SECTION 2.13 NINTENDO AGREEMENTS.

         (a) After Closing, Purchaser will perform Seller's manufacturing and
warranty repair and service obligations under each of the agreements and
understandings described in Section 2.13 of the Disclosure Schedule (the
"Nintendo Agreements") and shall be indemnified by Seller for any and all
liability it incurs under said Nintendo Agreements, except for liability arising
out of Purchaser's manufacturing processes. However, Purchaser shall not assume
any of the rights and responsibilities of Seller under the Nintendo Agreements.
Invoices for work performed under the Nintendo Agreements will be invoiced to
Seller, which will be responsible for payment to Purchaser under the same
payment terms of the Nintendo Agreements. Payments will be due from Seller
within twenty days of invoice, provided that Purchaser has delivered the invoice
to Seller before 12:00 noon MST the date of invoice, otherwise, payment will be
due from Seller in twenty-one days.

         (b) As soon as practicable after the date hereof, but in any event no
later than 15 Business Days after the date hereof, representatives from
Purchaser and Seller will visit with the appropriate representative of Nintendo
of America and/or Nintendo Company, Limited (collectively, "Nintendo") in order
to discuss an orderly termination of the Nintendo Agreements ("Nintendo
Termination Plan"). Such termination shall be effective no later than August 30,
2000 and shall be effected without cost to or liability of Purchaser.

         (c) Promptly after the completion of the Nintendo Termination Plan, and
in no event more than thirty days afterward, Seller shall, at its own expense
and risk, remove from the Facilities all remaining raw, work-in-process and
finished goods inventories relating to the manufacturing services under the
Nintendo Agreements (the "Nintendo Inventories") and all specific/custom
equipment relating to the manufacturing services under the Nintendo Agreements,
a description of which is set forth in Section 2.13 of the Disclosure Schedule
(the "Nintendo Equipment"). Seller agrees that Purchaser shall have the right to
use all Nintendo Equipment, without charge, in connection with Purchaser's
performance of the Nintendo Agreements after the Effective Time of Closing and
prior to the removal of such equipment by Seller after the effective date of
termination of the Nintendo Agreements.


                                       14

<PAGE>   19



         SECTION 2.14 WARRANTY WORK FOR CUSTOMERS. Seller will be promptly
notified and provided access to all records regarding any warranty claims made
by customers for work performed before Closing ("Warranty Claims"). Purchaser
shall provide usual and customary warranty repair or replacement services in the
most economical manner which satisfactorily addresses the Warranty Claim in
accordance with the applicable agreement with the customer. Seller shall
promptly, but in any event not later than 30 days after receipt of invoice,
reimburse Purchaser for all direct costs incurred by Purchaser in connection
with such Warranty Claims in excess of US$25,000 in the aggregate. Purchaser's
obligation to provide the foregoing services shall be suspended if, and for so
long as, Seller shall not have timely paid Purchaser's direct costs in
accordance with this Section 2.14. Not later than the Closing Date, each of
Purchaser and Seller shall designate an appropriate employee who shall confer
one with the other on a weekly basis regarding the status of Warranty Claims.

                                    ARTICLE 3
                REPRESENTATIONS AND WARRANTIES OF SELLER AND QSN

         Seller and QSN hereby, jointly and severally, represent and warrant to
Purchaser as follows:

         SECTION 3.1 ORGANIZATION; BUSINESS.

         (a) Organization of Newco and Service Company. Each of Newco and
Service Company is a sociedad anonima duly and validly organized and existing
and in good standing under the Laws of Mexico.

         (b) Organization of Seller and QSN. Each of Seller and QSN is a
corporation (sociedad anonima de capital variable) duly and validly organized
and existing under the Laws of Mexico.

         (c) Corporate Power and Authority of Newco and Service Company. As of
the Closing Date each of Newco and Service Company will have: (i) full corporate
power and authority necessary to carry on the Business and to own, lease and
operate its assets and properties, including the Assets; and (ii) all material
franchises, permits, licenses, approvals, authorizations and registrations
necessary to carry on the Business (other than the Single Environmental License)
and to own, lease and operate its assets and properties, including the Assets.

         (d) Corporate Power and Authority. Each of Seller and QSN has: (i) full
corporate power and authority necessary to carry on its business as it is now
conducted and to own, lease and operate its assets and properties; and (ii) all
material franchises, permits, licenses, approvals, authorizations and
registrations necessary to carry on its business as it is now conducted and to
own, lease and operate its assets and properties.

         SECTION 3.2 CAPITALIZATION. All of the outstanding capital stock of
each of Newco and Service Company is duly authorized, validly issued, fully paid
and non-assessable. There are no options, warrants, conversion rights or other
rights to subscribe for or purchase, or other contracts


                                       15

<PAGE>   20



with respect to, any capital stock of Newco or Service Company. Neither Newco
nor Service Company has any Subsidiaries.

         SECTION 3.3 AUTHORIZATION; ENFORCEABILITY. The execution, delivery and
performance of this Agreement by Seller and QSN and all of the documents and
instruments required by this Agreement to be executed and delivered by Seller
and/or QSN are within the corporate power of Seller and QSN, and: (a) have been
duly authorized by the Board of Directors of Seller and QSN; and (b) have been
duly authorized by all necessary corporate action by Seller and QSN.

         This Agreement is, and the other documents and instruments required by
this Agreement to be executed and delivered by Seller and/or QSN will be, when
executed and delivered by Seller and/or QSN, the valid and binding obligations
of Seller and/or QSN, as the case may be, and enforceable against Seller and/or
QSN, as the case may be, in accordance with their respective terms, except as
the enforcement thereof may be limited by applicable bankruptcy, insolvency,
reorganization, moratorium or similar Laws generally affecting the rights of
creditors and subject to general equity principles.

         SECTION 3.4 NO VIOLATION OR CONFLICT. The execution, delivery and
performance of this Agreement by Seller and QSN:

         (a) do not and will not violate or conflict with any applicable Law,
judgment, order, decree, or the articles or certificate of incorporation or
bylaws of Seller or QSN;

         (b) do not and will not require any authorization, consent, approval,
exemption or other action by or notice to any Governmental Authority (including,
without limitation, under any "plant closing" or similar law); and

         (c) do not and will not violate or conflict with or constitute a
default (or event which, with notice or lapse of time, or both, would constitute
a default) under, or result in the termination of, or acceleration of the
performance required by, or result in the creation of any Lien upon any of the
Assets under, or require the consent of any third party under, or affect the
enforceability of, any term or provision of any contract, commitment,
understanding, arrangement, agreement or restriction of any kind or character to
which Seller, Newco or Service Company is a party or by which Seller, Newco,
Service Company or any of the Assets may be bound or affected, including without
limitation the Contracts.

         SECTION 3.5 ASSETS.

         (a) Except to the extent set forth in Section 3.5(a) of the Disclosure
Schedule, as of the Closing Date (i) Newco will own good title to all of the
Assets, free and clear of any and all Liens, (ii) Newco will have sole control
of the Assets (except to the extent control of certain Intangible Assets is
temporarily affected by the provisions of the IT Services Agreement) and shall
be in sole possession of all tangible Assets, except Inventory which is in
transit in the ordinary course of


                                       16




<PAGE>   21

business and consistent with past practice and (iii) none of the Assets will be
leased, rented, licensed or otherwise not wholly-owned by Newco. As of the
Closing Date, Service Company will not own or hold any Assets.

         (b) The Assets include all of the assets of Seller which are held by
Seller primarily for use in or which are necessary for the operation of the
Business. The Assets include all of the assets set forth on the Balance Sheet,
and all upgrades and additions thereto since the date thereof, except assets
which have been sold or disposed of in the ordinary course of the Business,
consistent with past practice.

         (c) The Fixed Assets and the Facilities are in good operating condition
and repair, normal wear and tear excepted, free from any defects (except defects
that do not interfere with the use thereof in the conduct of the normal
operations of the Business), have been maintained consistent with industry
standards, and are sufficient to carry on the Business as presently conducted by
Seller. To the knowledge of Seller, there are no facts or conditions, other than
wear and tear, adversely affecting the Assets which, individually or in the
aggregate, may reasonably be expected to interfere in any material respect with
the use, occupancy or operation thereof, as compared to the current use,
occupancy or operation, or with their adequacy for such use. This Section 3.5(c)
shall not be construed to be a warranty that the foregoing Assets will continue
after the Closing Date to be in the condition warranted hereby.

         (d) Except as set forth on Section 3.5(d) of the Disclosure Schedule,
(i) all Inventories are of good, usable and merchantable quality in all material
respects and meet the quality control standards of Seller and any applicable
governmental quality control standards of any applicable Governmental Authority,
(ii) all Inventories that are finished goods are saleable as current inventories
at the current prices thereof in the ordinary course of business and (iii) all
Inventories are recorded on the books of the Business at the lower of cost or
market value determined in accordance with GAAP. Notwithstanding the foregoing,
Seller shall not be in breach of the representations in this Section 3.5(d) on
account of any inaccuracies in such representations to the extent that Purchaser
is compensated therefor by application of the Purchase Price Holdback pursuant
to Section 2.4(d) hereof.

         (e) All of the tangible Assets are physically located at the Facilities
except Inventory which is in transit in the ordinary course of business and
consistent with past practice and certain tangible Assets which are presently
located at other facilities of Seller but which will be physically located at
the Facilities as of the Closing Date.

         SECTION 3.6 LITIGATION. (a) There is no litigation, arbitration, or
proceeding of any kind pending or, to the knowledge of Seller or QSN, proposed
or threatened, or resolved, and to the knowledge of Seller there is no
governmental investigation pending, against or relating to the Assets, the
Business, Service Company or Newco involving, in each case, (i) an amount in
excess of $25,000 in any single case or $100,000 in the aggregate or (ii)
involving product liability claims, whether or not insured; (b) there are no
actions, suits or proceedings pending or, to the knowledge


                                       17

<PAGE>   22



of Seller and QSL, proposed or threatened, affecting the Assets, Business,
Service Company or Newco by any Person which question the legality, validity or
propriety of the transactions contemplated by this Agreement.

         SECTION  3.7 FINANCIAL STATEMENTS; BOOKS AND RECORDS; ACCOUNTING
                  MATTERS.

         (a) The Balance Sheet was prepared in accordance with GAAP and fairly
presents the financial position of the Business as of the date thereof (except
as may be indicated therein or in the notes thereto). The unaudited customer
income statements prepared by the Company and included in the Financial
Statements fairly present the results of operations in respect of each such
customer for the periods covered thereby, except as may be indicated therein or
in the notes thereto.

         (b) The Balance Sheet does not include any material assets or
liabilities which do not constitute a part of the Business, and the customer
statements of income included in the Financial Statements do not reflect
operations of any entity or business other than the Business.

         (c) The accounting books and records relating to the Business: (i) are
in all material respects correct and complete; (ii) are current in a manner
consistent with Seller's practice; and (iii) have recorded therein all the
properties and assets and liabilities of the Business.

         (d) As of the Closing Date neither Newco nor Service Company will have
guaranteed or become a surety or be otherwise similarly contingently liable for
the obligation of any other Person.

         (e) As of the Closing Date, neither Newco nor Service Company will have
any liabilities or obligations of any nature, whether known or unknown,
absolute, accrued, contingent or otherwise and whether due or to become due,
except (i) as set forth in Section 3.7(e) of the Disclosure Schedule and (ii)
the Assumed Liabilities.

         (f) Neither the consummation of the transactions contemplated hereby,
nor the performance by Seller or QSN of their respective obligations hereunder
and under the other agreements and documents required hereby, shall give rise to
any obligation to pay severance or any such similar amount to any Person or
cause to arise any claim by any current or former employee of the Business.

         SECTION  3.8 ABSENCE OF CERTAIN CHANGES.

         Except as set forth in Section 3.8 of the Disclosure Schedule, since
the Balance Sheet Date, Seller and, as appropriate, each of Newco and Service
Company, has conducted the Business only in the ordinary course consistent with
prior practice and has not, on behalf of, in connection with or relating to the
Business or the Assets:

         (a) suffered any Material Adverse Effect;


                                       18

<PAGE>   23



         (b) incurred any obligation or liability, absolute, accrued, contingent
or otherwise, whether due or to become due, except current liabilities for trade
or business obligations incurred in connection with the purchase of goods or
services in each case in the ordinary course of business consistent with prior
practice, none of which liabilities, individually or in the aggregate, may
reasonably be expected to have a Material Adverse Effect;

         (c) discharged or satisfied any Lien other than those then required to
be discharged or satisfied, or paid any obligation or liability, absolute,
accrued, contingent or otherwise, whether due or to become due, other than
current liabilities shown on the Balance Sheet and current liabilities incurred
since the date thereof in the ordinary course of business consistent with prior
practice;

         (d) mortgaged, pledged or subjected to Lien, any property, business or
assets, tangible or intangible, held in connection with the Business;

         (e) sold, transferred, leased to others or otherwise disposed of any of
the Assets, except for Inventory sold and spare parts and Miscellaneous Assets
used in the ordinary course of business, or canceled or compromised any debt or
claim, or waived or released any right of substantial value;

         (f) received any notice of termination of any contract, lease or other
agreement or suffered any damage, destruction or loss (whether or not covered by
insurance) which, individually or in the aggregate, could have a Material
Adverse Effect, provided that this Subsection (f) does not apply to Contracts
with customers or suppliers which Contracts are treated solely in Section 3.12;

         (g) transferred or granted any rights under, or entered into any
settlement regarding the breach or infringement of, any Intangible Property, or
modified any existing rights with respect thereto;

         (h) made any change in the rate of compensation, commission, bonus or
other direct or indirect remuneration payable, or paid or agreed or orally
promised to pay, conditionally or otherwise, any bonus, incentive, retention or
other compensation, retirement, welfare, fringe or severance benefit or vacation
pay, to or in respect of any shareholder, director, officer, employee, salesman,
distributor or agent of Seller or Newco relating to the Business, except in the
ordinary course of business consistent with prior practices;

         (i) encountered any labor union organizing activity, had any actual or
threatened employee strikes, work stoppages, slowdowns or lockouts, or had any
material change in its relations with its employees or agents;

         (j) failed to replenish inventories and supplies in a normal and
customary manner consistent with its prior practice and prudent business
practices prevailing in the industry, or made any purchase commitment in excess
of the normal, ordinary and usual requirements of its business or at any price
in excess of the then current market price or upon terms and conditions more
onerous than those usual and customary in the industry, or made any change in
its selling, pricing, advertising


                                       19

<PAGE>   24



or personnel practices inconsistent with its prior practice and prudent business
practices prevailing in the industry;

         (k) made any capital expenditures or capital additions or improvements
in excess of an aggregate of US$25,000;

         (l) instituted, settled or agreed to settle any litigation, action or
proceeding before any court or governmental body relating to the Business or the
Assets other than in the ordinary course of business consistent with past
practices and involving amounts not more than US$25,000 individually or
US$25,000 in the aggregate;

         (m) entered into any transaction, contract or commitment other than in
the ordinary course of business or paid or agreed to pay any legal, accounting,
brokerage or finder's fees that are to be assumed by or which will be a
liability of Newco or Service Company in connection with or by reason of, this
Agreement or the transactions contemplated hereby, except for accounting
expenses to prepare financial statements for the Business and to set up the
books of account of Newco and related accounting work;

         (n) incurred any severance pay obligations by reason of this Agreement
or the transactions contemplated hereby;

         (o) taken any action or failed to take any action that would reasonably
foreseeably result in the occurrence of any of the foregoing after the Closing
Date.

         SECTION  3.9 CONTRACTS.

         (a) Set forth in Section 3.9(a) of the Disclosure Schedule is a
complete and correct list of all agreements, contracts, commitments and other
instruments and arrangements (whether written or oral) of the types described
below by which any of the Assets are bound or materially affected or to which
Seller, Newco or Service Company is a party or is bound in connection with the
Business or the Assets other than the Nintendo Agreements and the Lockheed
Agreement (together with those set forth in Section 3.9(b) of the Disclosure
Schedule, the "Contracts"), other than Contracts which are not material to the
Business and which can be canceled upon not more than 60 days prior written
notice without penalty or other charge and do not involve future payments or
receipts in excess of $5,000 per annum individually or $50,000 in the aggregate:

                   (i) leases, licenses, permits, franchises, insurance policies
insuring the Business after the Closing and other contracts concerning or
relating to the Facilities, including the Leases;

                   (ii) employment, consulting, agency, collective bargaining or
other similar contracts, agreements, and other instruments and arrangements
relating to or for the benefit of current, future or former employees, officers,
directors, sales representatives, distributors, dealers, agents, independent
contractors or consultants;


                                       20

<PAGE>   25



                   (iii) loan agreements, indentures, letters of credit,
mortgages, security agreements, pledge agreements, deeds of trust, bonds, notes,
guarantees, and other agreements and instruments relating to the borrowing of
money or obtaining of or extension of credit;


                   (iv) licenses, licensing arrangements and other contracts
providing in whole or in part for the use of, or limiting the use of, any
Intangible Property;

                   (v) brokerage or finder's agreements;

                   (vi) joint venture, partnership and similar contracts
involving a sharing of profits or expenses (including but not limited to joint
research and development and joint marketing contracts);

                   (vii) asset purchase agreements and other acquisition or
divestiture agreements, including but not limited to any agreements relating to
the sale, lease or disposal of any Assets (other than sales of inventory in the
ordinary course of business) or involving continuing indemnity or other
obligations;

                   (viii) sales agency, manufacturer's representative, marketing
or distributorship agreements;

                   (ix) contracts, agreements or arrangements with respect to
the representation of the Business in foreign countries;

                   (x) lease agreements providing for the leasing of any
personal property, whether or not primarily used in, or held for use in
connection with, the Business;

                   (xi) contracts, agreements or commitments with any employee,
director, officer, stockholder or Affiliate of Seller or Newco; and

                   (xii) any other contracts, agreements or commitments that are
material to the Business.

         (b) Set forth in Section 3.9(b) of the Disclosure Schedule is a
complete and correct list of all agreements, contracts, commitments and other
instruments and arrangements (whether written or oral) of the types described
below by which any of the Assets are bound or materially affected or to which
Seller or Newco is a party or is bound in connection with the Business or the
Assets, other than the Nintendo Agreements and the Lockheed Agreement:

                   (i) orders and other contracts for the purchase or sale of
materials, supplies, products or services, each of which involves aggregate
payments in excess of $50,000 in the case of purchases or $100,000 in the case
of sales; and


                                       21

<PAGE>   26



                   (ii) contracts with respect to which the aggregate amount
that could reasonably be expected to be paid or received thereunder in the
future exceeds $150,000 per annum or $250,000 in the aggregate.

         (c) Sections 3.9(a) and 3.9(b) of the Disclosure Schedule expressly
identify each contract with any Governmental Authority and specify the
Government Authority which is a party thereto.

         (d) Seller has delivered to Purchaser complete and correct copies of
all written Contracts, together with all amendments thereto, and accurate
descriptions of all material terms of all oral Contracts, set forth or required
to be set forth in Sections 3.9(a) and 3.9(b) of the Disclosure Schedule.

         (e) All Contracts are in full force and effect and enforceable against
each party thereto. There does not exist under any Contract any event of default
or event or condition that, after notice or lapse of time or both, would
constitute a violation, breach or event of default thereunder on the part of
Seller or, to the knowledge of Seller, any other party thereto except for such
events or conditions that, individually and in the aggregate, (i) have not had
or resulted in, and will not have or result in, a Material Adverse Effect on
Newco and (ii) have not and will not materially impair the ability of Seller to
perform its obligations hereunder.

         (f) Neither Seller, Service Company nor Newco has any outstanding power
of attorney relating to the Business.

         SECTION 3.10 APPRAISAL. All appraisals of any of the Assets within the
prior three years are described in Section 3.10 of the Disclosure Schedule.
Seller has provided Purchaser with true and complete copies of each such
appraisal.

         SECTION 3.11 TERRITORIAL RESTRICTIONS. Except as set forth in Section
3.11 of the Disclosure Schedule, Seller is not, and as of and immediately
following the Closing Date, Newco and Service Company will not be, restricted by
any agreement or understanding, written or oral, with any other Person from
carrying on the Business anywhere in the world.

         SECTION 3.12 CUSTOMERS AND SUPPLIERS.

         (a) Section 3.12(a) of the Disclosure Schedule sets forth the names and
addresses of the ten largest customers of the Business in terms of dollar volume
of sales for fiscal 1998 and fiscal 1999 and any other customer, which, together
with its Affiliates, represented 3% or more of the Business' net sales in such
years (collectively, the "Significant Customers"). Seller has not received any
notice of and has no reason to believe that any Significant Customer (i) has
ceased, or will cease, to use the products, goods or services of the Business,
(ii) has substantially reduced since the end of the last period for which
customer financial statements are provided in the Financial Statements, or will
substantially reduce, the use of products, goods or services of the Business
compared to the levels reflected in the Section 3.12(a) of the Disclosure
Schedule or (iii) has sought since the end of


                                       22

<PAGE>   27



the last period for which customer financial statements are provided in the
Financial Statements, or is seeking, to reduce the price it will pay for
products, goods or services of the Business, including in each case after the
consummation of the transactions contemplated hereby other than through
productivity increases as provided for in the Contracts. To the knowledge of
Seller, no Significant Customer has otherwise threatened to take any action
described in the preceding sentence as a result of the consummation of the
transactions contemplated hereby. Section 3.12(a) of the Disclosure Schedule
sets forth the Seller's forecasts for sales of the Business in calendar 2000,
including forecast by Significant Customer. Except as set forth in Section
3.12(a) of the Disclosure Schedule, to the knowledge of Seller, there are no
facts which would make such forecasts no longer the forecasts Seller would adopt
for itself in the ordinary course of business or materially inhibit the ability
of any Significant Customer, or any customer forecasted to be a Significant
Customer for calendar 2000, to continue to do business with Seller or to comply
with such customer's obligations under any Contract.

         (b) Section 3.12(b) of the Disclosure Schedule sets forth the names and
addresses of the ten largest suppliers of the Business in terms of dollar volume
of purchases of raw materials, supplies, merchandise or other goods or services
for fiscal 1998 and fiscal 1999 and the amount for which each such supplier
invoiced the Business during such period ("Significant Suppliers"). Seller has
not received any notice and is not aware of any facts which reasonably would
cause it to believe that there has been any material adverse change in the price
of such raw materials, supplies, merchandise or other goods or services, or that
any such supplier will not during calendar 2000 sell raw materials, supplies,
merchandise and other goods to Purchaser on terms and conditions similar to
those used in its current sales to the Business, subject to general and
customary market price adjustments. To the knowledge of Seller, no such supplier
has otherwise threatened to take any action described in the preceding sentence
as a result of the consummation of the transactions contemplated hereby.

         SECTION 3.13 INSURANCE POLICIES. Seller currently maintains and as at
the Closing Date Newco and Service Company will have in effect valid public
liability and all risk casualty insurance as is reasonably prudent. All
insurance policies covering the Business or the Assets are listed, and the
coverage thereof briefly described, in Section 3.13 of the Disclosure Schedule.
No property damage, personal injury or liability claims have been made, or are
pending affecting the Business or any of the Assets that are not covered by
insurance. Within the past two years, no insurance company has canceled any
insurance (of any type) related to the Business or any of the Assets. Seller
will have no responsibility for insuring the Business after Closing.

         SECTION 3.14 NO VIOLATION OF LAW; PERMITS.

         (a) Except as disclosed in Section 3.14(a) of the Disclosure Schedule,
during the past five years Seller has complied in all material respects with all
Laws applicable to the Business or the Assets where the failure to comply has
affected the present value of the Assets or the accuracy of the financial
statements and records of the Business, or which reasonably could be expected to
affect the future value of the Assets, and Seller has not received any notice
alleging any such conflict,


                                       23

<PAGE>   28



violation, breach or default. To the knowledge of Seller, neither Seller nor any
supplier of Seller is the subject of an inspection or inquiry by any
Governmental Authority regarding violations or alleged violations of any Law in
connection with the Business which, individually or in the aggregate, may have a
Material Adverse Effect on the Business.

         (b) Seller has received no direct written notice of any proposed laws,
rules, regulations, ordinances, orders, judgments, decrees, governmental
takings, condemnations or other proceedings which would be applicable to the
Business or its operations or properties, and which would reasonably be expected
to materially adversely affect the properties, assets, liabilities, operations
or prospects of the Business as of the Closing Date.

         (c) Set forth in Section 3.14(c) of the Disclosure Schedule is a true
and correct list of all material licenses, permits, approvals, qualifications
and governmental specifications, authorizations, registrations, or requirements
which Seller currently has in connection with the Assets or the Business
(including the products thereof) (collectively, the "Permits") . The Permits
constitute all such licenses, permits, approvals, qualifications, and
governmental specifications, authorizations, registrations, and requirements
necessary for the ownership or use of the Assets or conduct of the Business as
currently conducted by Seller or as such Business shall be continued by Newco as
of the Closing Date, except the Single Environmental License.

         (d) Each Permit is in full force and effect, and the Business is in
compliance with all material obligations, restrictions or requirements thereof.
A true and correct copy of each Permit has been provided to Purchaser.

         SECTION 3.15 REAL PROPERTY.

         (a) The lessee's interest under the Leases and the Facilities on such
leasehold constitute all the fee and leasehold interests in real property held
for use in connection with, necessary for the conduct of, or otherwise material
to, the Business.

         (b) There are no eminent domain or other similar proceedings pending or
threatened affecting any portion of the Facilities. There is no adverse writ,
injunction, decree, order or judgment outstanding, nor any action, claim, suit
or proceeding, pending or threatened, relating to the ownership, lease, use,
occupancy or operation by any Person of the Facilities.

         (c) The use and operation of the Facilities in the conduct of the
Business does not violate in any material respect any instrument of record or
agreement affecting the Facilities. There is no violation of any covenant,
condition, restriction, easement or order of any Governmental Authority having
jurisdiction over such property or of any other Person entitled to enforce the
same affecting the Facilities or the use or occupancy thereof. No damage or
destruction has occurred with respect to the Facilities within the previous
three years that has had or could, individually or in the aggregate, have a
Material Adverse Effect.



                                       24

<PAGE>   29



         (d) The Facilities are in full compliance with all applicable building,
zoning, subdivision and other land use and similar applicable Laws affecting the
Facilities (collectively, the "Real Property Laws"), and Seller has not received
any written notice of violation or claimed violation of any Real Property Law.
Seller has not received direct written notice of any pending or anticipated
change in any Real Property Law that will adversely affect the ownership,
alteration, use, occupancy or operation of the Facilities or any portion
thereof. No current use by Seller or the Business of the Facilities is dependent
on a nonconforming use or other consent or approval from any Governmental
Authority the absence of which would materially limit the use of such properties
or assets held for use in connection with, necessary for the conduct of, or
otherwise material to, the Business.

         SECTION 3.16 BROKERS. Neither Seller nor QSN, has incurred any
brokers', finders' or any similar fee in connection with the transactions
contemplated by this Agreement.

         SECTION 3.17 TAXES.

         (a) Tax Returns. With respect to the Business, Seller has, and as of
the Closing Date Newco and Service Company will have, timely and properly filed
all federal, state, local and foreign tax returns (including but not limited to
all taxes, assessments, levies, imports, duties, license fees, registration fees
or other similar governmental charges, income taxes, asset taxes, transfer taxes
or fees, value added taxes, ad valorem taxes, withholding taxes and minimum
taxes) which were required to be filed. Newco and Service Company will have paid
or made adequate provision, in reserves reflected in the Closing Balance Sheet
in accordance with GAAP, for the payment of all taxes (including interests,
surcharges, additions to tax and penalties) and withholding amounts owed by it
or assessable against it or the Assets.

         (b) Tax Liens. There are no tax Liens upon any Asset.

         (c) Delivery of Tax Returns. As of the Closing Date Seller will deliver
to Purchaser correct and complete copies of all tax returns and reports of Newco
and Service Company filed for all periods pursuant to applicable rules of law.

         (d) Tax Sharing Agreements. Neither Newco nor Service Company, from the
date of their respective organization and up to the Closing Date shall be a
party to any agreement relating to allocating or sharing any taxes, except for
those listed in Section 3.17(d) of the Disclosure Schedule.

         (e) Liabilities of Other Persons. As of the Closing Date neither Newco
nor Service Company will have, nor will any Asset be subject to, any liability
for taxes of any kind of any Person other than Newco under any contract as a
transferee or successor or otherwise.

         SECTION 3.18 DISCLOSURE. No Schedule hereto or statement of fact by
Seller contained in this Agreement and no disclosure or statement of fact
required to be furnished by Seller to Purchaser pursuant to this Agreement
contains or will contain any untrue statement of a material fact or omits


                                       25

<PAGE>   30



or will omit to state any item or material fact necessary in order to make the
statements herein or therein contained not misleading. The Schedules to this
Agreement are complete and accurate in all material respects with respect to the
information the Schedules purport to provide. There is no fact (other than
matters of a general economic or political nature which do not affect the
Business uniquely) known to Seller that has not been disclosed by Seller to
Purchaser that would reasonably be expected to have or result in a Material
Adverse Effect on the Business. Seller has reviewed Purchaser's due diligence
file, and has no reason to believe that any of the documents contained therein
contain any untrue statement of material fact or omit any item or material fact
necessary in order to make them not misleading.

         SECTION 3.19 VOTE REQUIRED. No vote is required of the holders of the
outstanding shares of Seller's Common Stock (and, in the case of QSN, of QSN's
Common Stock) in order to approve this Agreement and the transactions
contemplated by this Agreement.

         SECTION 3.20 ENVIRONMENTAL PROTECTION.

         (a) Environmental Liability. The Facilities are and will be as of the
Closing Date free of any spill, accident of ecological nature or final disposal
or recycling of any material or waste that is deemed hazardous or dangerous
under the terms of the Environmental Laws, and are not and as of the Closing
Date will not be in material violation of any Environmental Law.

         (b) Environmental Claims. There is no Environmental Claim pending or,
to the knowledge of Seller, threatened, in relation to the Facilities, including
their soil and subsoil.

         (c) Hazardous Materials. To the knowledge of Seller, there have been no
releases of any Hazardous Material by Seller or by any Person on the Facilities.

         SECTION 3.21 FACILITIES. Section 3.21 of the Disclosure Schedule
includes a complete and accurate legal description of the Facilities which
includes blueprints. Seller is, and as of the Closing Date, Newco shall be, in
quiet possession of the Facilities under the Leases.

         The Facilities: (a) are not subject to any leases or tenancies of any
kind other than the Leases; (b) are not in the possession of any adverse
possessors; (c) have direct access to and from a public road or street which is
sufficient for the current operation of the business conducted therein; (d) are
used in a manner which is consistent in all material respects with applicable
Law; (e) are, and have been since the date of possession thereof by Seller, in
the peaceful possession of Seller; (f) are served by all water, sewer,
electrical, telephone, drainage and other utilities as is currently required for
the current operations of the Facilities; (g) are not currently subject to any
special assessment; (h) are not subject to any zoning, ordinance, decrees or
other similar laws or regulations which would restrict or prohibit Newco from
continuing the operations presently conducted thereon by Seller; (i) are not
subject to any interest of any Person under a contract, option or other
agreement other than the Leases; and (j) are not subject to any presently
pending condemnation proceedings, nor, to Seller's knowledge, are any such
proceedings threatened.


                                       26


<PAGE>   31
         The Facilities and the use thereof conform in all material respects
with all applicable ordinances, regulations and building, zoning and other Laws.
Seller has not received any written information or written notice of any
increase in the assessed value of the Facilities from any tax assessing
authority which would increase the estimated real estate taxes for the
Facilities or notice of any written assessment affecting the Facilities.

         SECTION 3.22 ACCOUNTS. As at the Closing Date all Accounts of Newco
shall have arisen from bona fide transactions by the Business or Newco in the
ordinary course of business and, to the extent not previously collected, are
fully collectible, subject only to the reserves set forth in Newco's Closing
Balance Sheet. None of such receivables will be at the Closing Date subject to
any counterclaim or set off and each shall be fully collected in due course. As
of the Closing Date, Service Company shall not have any receivables (including
accounts receivable, loans receivable and advances).

         SECTION 3.23 INTANGIBLE ASSETS.

         (a) All material Intangible Assets are listed in Section 3.23(a) of the
Disclosure Schedule. Except as set forth in Section 3.23(a) of the Disclosure
Schedule, Seller owns and has full right to license and/or transfer the entire
right, title and interest in and to each of those Intangible Assets.

         (b) Except as set forth in Section 3.23(b) of the Disclosure Schedule,
there are no claims, demands or proceedings instituted or pending or threatened
by any Person contesting or challenging the right of Seller or the Business to
use any of the Intangible Assets; none of the Intangible Assets is invalid or
unenforceable; there are no patents or copyrights owned by a Person which Seller
is using relating to the Business, the Facilities or the Assets without license
or right to do so; Seller owns or possesses, and as of the Closing Date, Newco
will own or possess, adequate licenses or other rights to use all patents,
trademarks, trade names or copyrights necessary to conduct its business as now
conducted, as related to the Business.

         SECTION 3.24 SERVICE COMPANY OPERATIONS. Since the date of its
organization, Service Company has not conducted any operations other than the
provision of labor services to the Business.


                                    ARTICLE 4
                   REPRESENTATIONS AND WARRANTIES OF PURCHASER

         Purchaser represents and warrants to Seller and QSN as follows:

         SECTION 4.1 ORGANIZATION.

         (a) Organization. Purchaser is a corporation duly and validly organized
and existing under the Laws of Wisconsin and is qualified to do business as a
foreign corporation and is in good


                                       27

<PAGE>   32



standing in all other jurisdictions where the ownership or leasing of property
or the conduct of its business requires qualification as a foreign corporation.

         (b) Corporate Power and Authority. Purchaser has: (a) full corporate
power and authority necessary to carry on its business as it is now conducted
and to own, lease and operate its assets and properties; and (b) all material
franchises, permits, licenses, approvals, authorizations and registrations
necessary to carry on its business as it is now conducted and to own, lease and
operate its assets and properties.

         SECTION 4.2 AUTHORIZATION; ENFORCEABILITY. The execution, delivery and
performance of this Agreement by Purchaser and all of the documents and
instruments required by this Agreement to be executed and delivered by Purchaser
are within the corporate power of Purchaser and: (a) have been duly authorized
by the Boards of Directors of Purchaser; and (b) have been duly authorized by
all necessary corporate action by Purchaser. This Agreement is, and the other
documents and instruments required by this Agreement to be executed and
delivered by Purchaser will be, when executed and delivered by Purchaser, the
valid and binding obligations of Purchaser, enforceable against Purchaser in
accordance with their respective terms, except as the enforcement thereof may be
limited by applicable bankruptcy, insolvency, reorganization, moratorium or
similar Laws generally affecting the rights of creditors and subject to general
equity principles.

         SECTION 4.3 NO VIOLATION OR CONFLICT. Subject to the receipt of the
approvals and consents set forth in this Agreement, the execution, delivery and
performance of this Agreement by Purchaser do not and will not conflict with or
violate: (a) any Law or the Articles of Incorporation or Bylaws of Purchaser; or
(b) any material contract or agreement to which Purchaser is a party or by which
it is bound.

         SECTION 4.4 AVAILABILITY OF FUNDS. As of the Closing Date Purchaser
will have available the funds required to pay the Purchase Price.

         SECTION 4.5 GOVERNMENTAL APPROVALS. No permission, approval,
determination, consent or waiver by, or any declaration, filing or registration
with, any governmental or regulatory authority is required in connection with
the execution, delivery and performance of this Agreement by Purchaser, except
for (i) the notice to be given to the RNIE, (ii) the preclosing notice to be
filed pursuant to the Mexican Economic Competition Federal Law and the premerger
notification to be filed pursuant to the HSR Act.

         SECTION 4.6 DISCLOSURE. No statement of fact by the Purchaser contained
in this Agreement contains or will contain any untrue statement of a material
fact or omits or will omit to state a material fact necessary in order to make
the statements herein, in the light of the circumstances under which they were
made, not misleading as of the date to which it speaks.


                                    ARTICLE 5


                                       28

<PAGE>   33



                  CONDUCT OF BUSINESS PENDING THE CLOSING DATE

         Except with the written consent of Purchaser, from and after the date
of this Agreement and until the Closing Date, Seller shall, and shall cause each
of Newco and Service Company to:

         SECTION 5.1 CARRY ON IN REGULAR COURSE. Diligently carry on the
Business in the regular course and shall not make or institute any unusual or
novel methods of purchase, sale, lease, management, accounting or operation.

         SECTION 5.2 USE OF ASSETS. Use, operate, maintain and repair all of the
Assets and the Facilities in a normal business manner.

         SECTION 5.3 COMPLIANCE WITH CONTRACTS. Not do any act or omit to do any
act, or permit any act or omission to act, which will cause a material breach of
any material Contract, nor enter into any contract or agreement which would
cause a Material Adverse Effect on Newco, Service Company or the Business.
         SECTION 5.4 EMPLOYMENT MATTERS. Not hire any employees in respect of
the Business or discharge any employees of the Business, in each case outside of
the ordinary course of business, consistent with prior practice.

         SECTION 5.5 INDEBTEDNESS. Not create, incur or assume any indebtedness
in respect of the Business, except for trade payables incurred in the ordinary
course of business consistent with prior practice.

         SECTION 5.6 PRESERVATION OF RELATIONSHIPS. Use reasonable best efforts
to preserve its business organization intact, and to preserve the goodwill
relating to the Business of suppliers, customers, creditors and others having
business relationships with it.

         SECTION 5.7 COMPLIANCE WITH LAWS. Comply in all material respects with
all Laws applicable to the Business.

         SECTION 5.8 TAXES. Timely and properly file all federal, state, local
and foreign tax returns which are required to be filed in respect of the
Business, and pay all taxes required to be paid by Newco or relating to the
Business.

         SECTION 5.9 AMENDMENTS. Not amend Newco's or Service Company's Articles
of Incorporation or Bylaws, or any Contract.

         SECTION 5.10 DIVIDENDS; REDEMPTIONS; ISSUANCE OF STOCK. Not:

         (a) issue any additional shares of stock of any class of Newco or
Service Company capital stock, or grant any warrants, options or other rights to
subscribe for or acquire any additional shares of Newco or Service Company
capital stock of any class;


                                       29

<PAGE>   34



         (b) declare or pay any dividend or make any capital or surplus
distributions of any nature in respect of the Newco or Service Company capital
stock, except the Prefunding Capital Redemption; or

         (c) directly or indirectly redeem purchase or otherwise acquire,
recapitalize or reclassify any of Newco's or Service Company's capital stock or
liquidate in whole or in part.

         SECTION 5.11 NO DISPOSITIONS OR ACQUISITIONS. Not: (a) sell, lease,
license, encumber or otherwise dispose of, or agree to sell, lease, license,
encumber or otherwise dispose of any of the Assets, except in the ordinary
course of business consistent with prior practice, and/or the Purchased Shares;
(b) acquire, or publicly propose to acquire or agree to acquire, by merger or
consolidation with, or by purchase or otherwise, an equity interest in any
Person, or purchase or lease assets of any Person except in the ordinary course
of business consistent with past practice and except for transactions by Seller
not involving Newco, Service Company or the Business; or (c) amend or modify the
Leases.

         SECTION 5.12 COOPERATION. Seller, QSN and Purchaser shall:

         (a) fully cooperate with each other and their respective legal counsel
and accountants in connection with any steps to be taken as part of their
obligations under this Agreement;

         (b) use all reasonable efforts to timely satisfy those conditions set
forth in Article 6 which are to be satisfied by them; and

         (c) promptly give notice to each other Party of the existence or
occurrence of any fact or condition which would make any representation or
warranty contained herein untrue in any material respect or which might
reasonably be expected to prevent the consummation of the transactions
contemplated hereby.

                                    ARTICLE 6
                              CONDITIONS PRECEDENT

         SECTION 6.1 CONDITIONS PRECEDENT RELATING TO PURCHASER. The obligation
of Purchaser to consummate the purchase of the Shares and to consummate the
other transactions contemplated by this Agreement shall be subject to Seller's
and QSN's compliance to Purchaser's satisfaction with the following conditions
precedent, subject to Purchaser's right, in its sole discretion, to waive
compliance with any of the following:

         (a) Each of Seller and QSN shall have performed and complied in all
respects with all of its obligations under this Agreement which are to be
performed or complied with by each of them prior to or on the Closing Date.



                                       30

<PAGE>   35



         (b) Seller's and QSN's representations and warranties hereof, shall be
true and correct as of the date of this Agreement and as of the Closing Date,
except to the extent of inaccuracies which, in the aggregate, do not represent a
Material Adverse Effect on the Business compared to the Business as it would be
if all such representations and warranties were true and correct; the provisions
of this Section 6.1 are conditions to Closing only, and Purchaser shall not be
deemed to have waived hereby any right to indemnity in respect of any inaccuracy
of any representation or warranty;

         (c) Seller shall provide reasonable evidence that all the Assets have
been transferred to Newco free and clear of any and all Liens other than the
Liens set forth in Section 6.1(c) of the Disclosure Schedule. Where any one of
the Assets is an imported Asset, Seller must have also transferred all
documentation certifying compliance with applicable customs law provisions and
regulations, as well as payment of any and all applicable duties.

             Seller shall permit Purchaser and its agents and representatives
access to the facility located at Av. Las Torres #2304 in Ciudad Juarez,
Chihuahua, Mexico, and any other site in which Assets are located in order to
perform a customs audit. Access will be allowed during normal business hours,
and will include access to export certificates, bills of transfer, customs
documentation, physical assets, and other examination reasonably necessary to
perform its audit.

         (d) Seller shall use its best efforts, including personal visits where
necessary, to secure from each supplier a letter whereby an authorized
representative of such supplier consents and/or authorizes Seller to assign the
corresponding agreements and accounts to Newco. Seller shall cooperate with
Purchaser and use its reasonable best efforts in maintaining current
relationships with all suppliers. If Seller is unable to obtain such consent
and/or authorization from one or more suppliers (each, a "Nonconsenting
Supplier"), Seller shall, upon Purchaser's request and until September 30, 2000,
provide procurement services for the benefit of Purchaser in respect of
Nonconsenting Suppliers designated by Purchaser, whereby Seller shall order and
purchase materials from such Nonconsenting Supplier for purchase by Purchaser
from Seller. Purchaser shall make any such request for procurement in writing.
Seller shall effect any such order as promptly as practicable and with
substantially the same diligence and care as exercised in connection with its
own procurement processes. Purchaser shall purchase any such materials at the
net price paid by Seller to the supplier. Seller will deliver such materials to
Purchaser with an invoice that reflects the same due date as the invoice
received by Seller from the supplier, and Purchaser shall pay the invoice on or
before the due date, provided Seller gives a copy thereof to Purchaser within
five Business Days after receipt thereof from the supplier.

         (e) Seller shall evidence the assumption by Newco of the Assumed
Liabilities.

         (f) Newco shall have been assigned the Leases, or shall have entered
into a new lease agreement relating to the Facilities, as decided by Purchaser.



                                       31

<PAGE>   36



         (g) Seller shall have evidenced that all the Assets transferred by
Seller to Newco were transferred and assigned free of any applicable taxes
and/or duties thereon due prior to such transfers and assignments. Seller shall
insure that each and all Assets have no unpaid balance due for taxes, duties or
other charges.

         (h) Seller shall provide to Purchaser a detailed status report
regarding the tax obligations of Newco and Service Company set forth on Exhibit
H hereto.

         (i) Seller shall provide to Purchaser evidence that each of Newco and
Service Company is a company duly incorporated in accordance with Mexican law,
that all required books and records have been produced, and that the company has
been registered as a taxpayer with the Ministry of Finance and Public Credit.

         (j) Seller shall have paid (or shall have set aside, pursuant to
arrangements that are satisfactory in the reasonable judgment of Purchaser), an
amount sufficient for the payment of any stamp, transfer, and similar
governmental charges and taxes if any which may be payable in respect of the
sale and delivery of the Purchased Shares.

         (k) As of the Closing Date, there shall not be in effect any suit,
action, proceeding, injunction or restraining or similar order against Seller,
Newco or Service Company issued by a court of competent jurisdiction or by any
other applicable Governmental Authority that restrains, restricts prohibits, or
imposes penalties, damages or other monetary relief in connection with the
consummation of any of the transactions contemplated in this Agreement or any
other documentation executed in connection with this Agreement.

         (l) Service Company and Seller shall have executed the Employer
Substitution Agreement (sustitucion patronal)with respect to all employees of
the Business designated by Purchaser.

         (m) Seller shall duly execute and deliver to Purchaser the IT Services
Agreement.

         (n) Seller shall duly execute and deliver to Purchaser the Warehouse
Services Agreement.

         (o) Seller shall duly execute and deliver to Purchaser the Escrow
Agreement.

         (p) Seller shall cause to be available for hire by the Service Company
all employees of the Business necessary to operate the Business as it is
currently operated, including without limitation, the following:

                  (i) A plant manager with training and experience appropriate
for his or her duties, and key manufacturing managers and other employees.



                                       32

<PAGE>   37



                  (ii) A human resources manager and other appropriate personnel
with adequate training and experience necessary to manage the Business's
compliance with applicable regulations and laws, manage the Business's payroll,
and perform all other usual and customary human resources functions.

                  (iii) A procurement manager and other appropriate personnel
with adequate training and experience to manage the procurement of raw material,
supplies, and other items necessary to meet the needs of the Facility.

                  (iv) A customs manager and other appropriate personnel with
adequate training and experience to manage the movement of raw material,
supplies, and equipment across the border between the United States and Mexico.

                  (v) A fully operational and independent Management Information
Systems department appropriate for the needs of the Business.

         (q) As of the Closing Date, Seller and QSN shall deliver or cause to be
delivered to Purchaser the following documentation:

                  (i) The certificates representing the Purchased Shares duly
endorsed in favor of Purchaser, and of the Qualifying Shares duly endorse in
favor of the Person named by Purchaser;

                  (ii) Newco's and Service Company's corporate books certifying
the entries of the Purchased Shares in favor of Purchaser, and of the Qualifying
Shares in favor of the Person named by Purchaser;

                  (iii) An opinion of counsel for Seller and QSN in
substantially the form attached as Exhibit I;

                  (iv) The resolutions of a Shareholders Meeting of each of
Newco and Service Company in which the shareholders unanimously accept the
resignation submitted by the members of the Board of Directors of such company
(copies of which shall be attached), and whereby the members of the Board of
Directors waive their fees and any other compensation to which they might
otherwise be entitled to as from that date.

                  (v) A copy of the letters executed by Seller and by QSN and
addressed to Newco and Service Company giving notice of the transfer of the
Shares in favor of Purchaser, and of the transfer of the Qualifying Shares in
favor of the Person named by Purchaser substantially in the form provided in
Exhibit J.

                  (vi) The revocation of all of Newco's and Service Company's
agents' powers-of-attorney and proxies.


                                       33

<PAGE>   38



                  (vii) any other documents necessary to perfect the purchase of
Newco and the Service Company by Purchaser.

                  (viii) A schedule showing all bank, investment and other
financial accounts of Newco and Service Company, together with a complete
listing of the Persons with authority to act on Newco's or Service Company's
behalf with respect to such accounts;

                  (ix) An environmental Phase I Site Abandonment Study that
shall include soil boring, which shall verify that the Facilities were free from
any contamination and/or any environmental liability before Newco entered in
possession of them;

                  (x) Evidence of the filing with the appropriate authorities of
the application for Site Abandonment approval.

                  (xi) The preclosing notice shall have been filed pursuant to
the Mexican Economic Competition Federal Law.

         (r) Seller shall have obtained, in writing, all necessary consents or
waivers under the Amplicon Lease to permit the transactions contemplated hereby,
including without limitation the transfer of Assets to Newco and the purchase by
Purchaser of the Purchased Shares.

         (s) Seller shall have provided to Purchaser the Preliminary Closing
Balance Sheet not less than 10 Business Days prior to the Closing.

         SECTION 6.2 CONDITIONS PRECEDENT RELATING TO THE SELLER. The obligation
of the Seller to consummate the sale of the Shares and to consummate the other
transactions contemplated by this Agreement shall be subject to Purchaser's
compliance with the following conditions precedent, subject to Seller's right,
in its sole discretion, to waive compliance with any of the following:

         (a) Purchaser shall have performed and complied in all respects with
all of its obligations under this Agreement which are to be performed or
complied with prior to or on the Closing Date.

         (b) Purchaser's representations and warranties hereof, shall be true
and correct as of the date of this Agreement and as of the Closing Date;

         (c) As of the Closing Date, there shall not be in effect any suit,
action, proceeding, injunction or restraining or similar order against Purchaser
issued by a court of competent jurisdiction or by any other applicable
Governmental Authority that restrains, restricts, prohibits, or imposes
penalties, damages or other monetary relief in connection with the consummation
of any of the transactions contemplated in this Agreement or any other
documentation executed in connection with this Agreement.


                                       34

<PAGE>   39



         (d) As of the Closing Date, Seller shall have received (i) the cash
portion of the Purchase Price which is payable to Seller, (ii) confirmation that
the Purchase Price Holdback has been paid to the Escrow Agent in accordance with
Article 2 hereof and (iii) the duly executed shares of Purchaser common stock,
properly legended, payable pursuant to Article 2 hereof, if any.


         (e) Purchaser shall duly execute and deliver to Seller the IT Services
Agreement.

         (f) Purchaser shall duly execute and deliver to Seller the Warehouse
Services Agreement.

         (g) Purchaser shall duly execute and deliver to Seller the Escrow
Agreement.

         (h) The U.S. payroll employees of the Business who are listed on
Exhibit F hereto shall be offered employment by Purchaser.

         (i) Purchaser shall have funded the Prefunding Loan.


         (j) Newco shall have effected the Prefunding Capital Redemption.



                                    ARTICLE 7
                                 INDEMNIFICATION

         SECTION 7.1 SELLER'S INDEMNITY. Seller covenants and agrees to defend,
indemnify and hold harmless Purchaser, its officers, directors, employees,
agents, advisers, representatives and Affiliates (each, a "Seller Indemnified
Party") from and against, and pay or reimburse each Seller Indemnified Party
for, any and all claims, liabilities, obligations, losses, fines, costs,
royalties, proceedings, deficiencies, taxes, tax credits, tax surcharges or
damages (whether absolute, accrued, conditional or otherwise and whether or not
resulting from third party claims), including out-of-pocket expenses and
reasonable attorneys' and accountants' fees incurred in the investigation or
defense of any of the foregoing or in successfully asserting any of their
respective rights to indemnity hereunder (collectively, "Damages"), resulting
from or arising out of:

         (a) any breach or inaccuracy of any of the representations and
warranties made by Seller or QSN in or pursuant to this Agreement;

         (b) any failure by Seller or QSN to carry out, perform, satisfy, and
discharge any of their covenants, agreements, undertakings, liabilities, or
obligations under this Agreement or under any of the documents delivered by
Seller or QSN pursuant to this Agreement;



                                       35

<PAGE>   40



         (c) any liabilities of Seller, QSN or their respective Affiliates,
other than Assumed Liabilities;

         (d) the ownership or operation of the Business or the Assets prior to
the Effective Time of Closing, including without limitation any noncompliance by
Seller or the Assets with applicable Law;

         (e) any Environmental Claim arising from the conduct of the Business
prior to the Effective Time of Closing or from conditions existing at or prior
to the Effective Time of Closing at the Facilities, former properties owned or
occupied by Seller or the Business, or present or former off-site disposal
locations used by Seller or the Business;

         (f) any Labor Claim arising from the conduct of the Business prior to
the Effective Time of Closing or arising from conditions existing at or prior to
and attributable to the time period prior to the Effective Time of Closing
relating to any present or former employees of the Business;

         (g) any Tax Claim arising from the conduct of the Business prior to the
Effective Time of Closing or arising from conditions existing at or prior to and
attributable to the time period prior to the Effective Time of Closing,
including without limitation any and all resolutions adopted and/or carried out
by the shareholders and/or directors of Newco or Service Company;

         (h) any direct or indirect gift or agreement to make a gift or similar
benefit during the past five years to any customer, supplier, governmental
employee or other person who is or may be in a position to help or hinder the
Business (or assist Seller in connection with any actual or proposed transaction
relating to the Business) by Seller, any officer, employee or agent of Seller or
the Business, or any other person acting on its behalf, (i) which subjected or
would reasonably be expected to have subjected Seller to any damage or penalty
in any civil, criminal or governmental litigation or proceeding, (ii) which if
not given in the past, would foreseeably have had a Material Adverse Effect,
(iii) which if not continued in the future, would foreseeably have a Material
Adverse Effect or subject Seller of or the Business to suit or penalty in any
private or governmental litigation or proceeding or (iv) for the purpose of
establishing or maintaining any concealed fund or concealed bank account; and

         (i) each of (i) the performance by Purchaser of its obligations under
the Nintendo Agreements (except to the extent of Damages resulting from
Purchaser's negligence or from manufacturing defects attributable to the period
after the Effective Time of Closing), and (ii) the termination of Nintendo as a
customer as provided in Section 2.13 hereof, including without limitation, the
termination of the Nintendo Agreements and the removal of all Nintendo
Inventories and Nintendo Equipment.

         SECTION 7.2 PURCHASER'S INDEMNITY. Purchaser covenants and agrees to
defend, indemnify and hold harmless Seller and QSN, their officers, directors,
employees, agents,


                                       36

<PAGE>   41




advisers, representatives and Affiliates (each, a "Purchaser Indemnified Party")
from and against, and pay or reimburse each Purchaser Indemnified Party for, any
and all Damages resulting from or arising out of:

         (a) any breach or inaccuracy of any of the representations and
warranties made by Purchaser in or pursuant to this Agreement;

         (b) any failure by Purchaser to carry out, perform, satisfy and
discharge any of its covenants, agreements, undertakings, liabilities, or
obligations under this Agreement or under any of the documents and materials
delivered by Purchaser pursuant to this Agreement; and

         (c) the Assumed Liabilities and any liability or obligations related to
the Business incurred after the Effective Time of Closing;

         (d) any Labor Claim arising from the conduct of the Business after the
Effective Time of Closing or arising from conditions existing after and
attributable to the time period after the Effective Time of Closing relating to
any present or former employees of the Business; and

         (e) any Tax Claim arising from the conduct of the Business after the
Effective Time of Closing or arising from conditions existing after and
attributable to the time period after the Effective Time of Closing, including
without limitation any and all resolutions adopted and/or carried out by the
shareholders and/or directors of Newco; and

         (f) any Environmental Claim arising from the conduct of the Business
after the Effective Time of Closing.

         SECTION 7.3 PROVISIONS REGARDING INDEMNITIES.

         (a) Notice; Third Party Claims. The indemnified party shall promptly
notify the indemnifying party in reasonable detail of any claim, demand, action
or proceeding for which indemnification will be sought under Section 7.1 or
Section 7.2 hereof, and if such claim, demand, action or proceeding is a third
party claim, demand, action or proceeding, the indemnifying party will have the
right at its expense to assume the defense thereof using counsel reasonably
acceptable to the indemnified party. The indemnified party shall have the right
to participate, at its own expense, with respect to any such third party claim,
demand, action or proceeding. In connection with any such third party claim,
demand, action or proceeding, the parties shall cooperate with each other and
provide each other with access to relevant books and records in their
possession. No such third party claim, demand, action or proceeding shall be
settled without the prior written consent of (i) the indemnifying party, but
only to the extent that such settlement is to be funded by the indemnifying
party and (ii) the indemnified party, but the indemnified party's consent shall
not unreasonably be withheld. If a firm written offer is made to settle any such
third party claim, demand, action or proceeding and the indemnifying party
proposes to accept such settlement and the indemnified party refuses to consent
to such


                                       37

<PAGE>   42



settlement, then: (i) the indemnifying party shall be excused from, and the
indemnified party shall be solely responsible for, all further defense of such
third party claim, demand, action or proceeding; (ii) the maximum liability of
the indemnifying party relating to such third party claim, demand, action or
proceeding shall be the amount of the proposed settlement if the amount
thereafter recovered from the indemnified party on such third party claim,
demand, action or proceeding is greater than the amount of the proposed
settlement; and (iii) the indemnified party shall pay all attorneys' fees and
legal costs and expenses incurred after rejection of such settlement by the
indemnified party, but if the amount thereafter recovered by such third party
from the indemnified party is less than the amount of the proposed settlement,
the indemnified party shall be reimbursed by the indemnifying party for such
attorneys' fees and legal costs and expenses up to a maximum amount equal to the
difference between the amount recovered by such third party and the amount of
the proposed settlement.

         (b) Termination of Purchaser's Rights. The right of Purchaser to
receive indemnity provided by Section 7.1(a) hereof shall, as to any matter
which has not been described in a notice delivered to Seller pursuant to Section
7.3(a) of this Agreement prior to such time, expire at 11:59 P.M., Central Time,
on December 1, 2001.

         (c) Termination of Seller's Rights. The right of Seller to receive
indemnity provided by Section 7.2(a) hereof shall, as to any matter which has
not been described in a notice delivered to Purchaser pursuant to Section 7.3(a)
of this Agreement prior to such time, expire at 11:59 P.M., Central Time, on
December 1, 2001.

         (d) Rights on Termination. The termination of rights set forth in the
foregoing Sections 7.3(b) and (c) shall not affect an indemnified party's right
to prosecute to conclusion any claim made by such indemnified party prior to the
time that the relevant right of indemnity terminates.

         (e) Limitations on Seller's Liability. The liability of Seller under
Section 7.1 hereof shall be without deduction or limitation, except that Seller
shall not be required to indemnify any Seller Indemnified Party with respect to
any claim for indemnification under Section 7.1(a) hereof unless and until the
aggregate amount of all claims against Seller under such Section 7.1(a) exceeds
US$100,000, and then only to the extent such aggregate amount exceeds
US$100,000, and in no event shall Seller's liability under Section 7.1(a) exceed
US$27,000,000 in the aggregate.

         (f) Limitations on Purchaser's Liability. The liability of Purchaser
under Section 7.2 hereof shall be without deduction or limitation, except that
Purchaser shall not be required to indemnify any Purchaser Indemnified Party
with respect to any claim for indemnification under Section 7.2(a) hereof unless
and until the aggregate amount of all claims against Purchaser under such
Section 7.2(a) exceeds US$100,000, and then only to the extent such aggregate
amount exceeds US$100,000, and in no event shall Purchaser's liability under
Section 7.2(a) exceed US$27,000,000 in the aggregate.


                                       38

<PAGE>   43



         (g) Materiality Qualifiers. The amount of any loss, damage, cost,
expense, liability or claim for which a party is required to indemnify or
reimburse another party hereunder on account of a breach or an inaccuracy of a
representation or warranty made by such party or a breach by such party of its
covenants contained in this Agreement shall be calculated without regard to any
"materiality" qualifier set forth in the relevant representation, warranty or
covenant.

         (h) Consequential Damages. Recovery of Purchaser or Seller, as the case
may be, under this Article 7 shall in no event include any special, indirect,
incidental or consequential damages.

         (i) Offset. The amount of any indemnity required pursuant to this
Article 7 shall be reduced by insurance proceeds actually received by the
indemnified party with respect to any matter which is covered by third party
insurance (net of any additional costs incurred in connection with such
recovery, including without limitation, retrospective premium adjustments) and
damages actually received from a third party by the indemnified party to the
extent fairly attributable to the events, conditions or circumstances which gave
rise to the indemnity payment hereunder (net of any costs incurred in connection
with such recovery), but only to the extent that retention of such damages would
result in a double recovery by the indemnified party. The offset right in this
Section 7.3(i) shall not operate to delay any claim for indemnity under this
Article 7. Any recovery of insurance proceeds or damages from a third party
after payment of any indemnity amount under this Article 7 shall promptly be
paid over to the indemnifying party to the extent of the offset provided for
herein.

         (j) Limited Remedy. Indemnification in accordance with the provisions
of this Agreement shall be the sole and exclusive remedy of the Purchaser and
the Seller for any damages in respect of the breach of representations and
warranties hereunder, but shall not be the sole and exclusive remedy with
respect to any breach of the respective covenants or agreements of the Seller
and the Purchaser set forth in this Agreement or in any other agreement or
instrument contemplated hereby.

                                    ARTICLE 8
                                   TERMINATION

         SECTION 8.1 TERMINATION. Time is of the essence. Unless otherwise
agreed in writing, this Agreement may be terminated and the transactions
contemplated hereby may be abandoned at any time as follows: (a) by mutual
written agreement of Seller and Purchaser; (b) by Purchaser if any of the
conditions set forth in Section 6.1 of this Agreement shall not have been
fulfilled on or prior to September 1, 2000, unless such failure shall be due to
the Purchaser's failure to perform or comply with any of the covenants,
agreements or conditions hereof to be performed or complied with by it prior to
the Closing; (c) by Seller if any of the conditions set forth in Section 6.2 of
this Agreement shall not have been fulfilled on or prior to September 1, 2000,
unless such failure shall be due to Seller's failure to perform or comply with
any of the covenants, agreements or conditions hereof to be performed or
complied with by it prior to the


                                       39

<PAGE>   44



Closing; or (d) by Purchaser or Seller (provided the terminating party has not
caused the delay in Closing or is not otherwise in breach hereof) if the Closing
shall not have occurred on or before December 1, 2000.

         SECTION 8.2 RIGHTS ON TERMINATION; WAIVER. If this Agreement is
terminated pursuant to Section 8.1 hereof, all further obligations of the
parties under or pursuant to this Agreement shall terminate without further
liability of either party to the other, provided that: (a) the obligations of
Purchaser and Seller under Articles 7, 8 and 9 and Sections 10.8 and 10.14 shall
survive any such termination; and (b) each party to this Agreement shall retain
any and all remedies which it may have for breach of contract provided by Law
based on the other party's failure to comply with the terms of this Agreement.
If any of the conditions set forth in Section 6.1 of this Agreement have not
been satisfied, Purchaser may nevertheless elect to proceed with the
consummation of the transactions contemplated hereby without prejudice to its
rights hereunder, including without limitation, any rights of indemnity
hereunder. If any of the conditions set forth in Section 6.2 of this Agreement
have not been satisfied, Seller may nevertheless elect to proceed with the
consummation of the transactions contemplated hereby without prejudice to its
rights hereunder, including without limitation, any rights of indemnity
hereunder.

                                    ARTICLE 9
                               ARBITRAL AGREEMENT

         SECTION 9.1 ARBITRATION. All disputes arising in connection with the
present Agreement and with the documents referred to in this Agreement shall be
finally settled under the Rules of Arbitration of the International Chamber of
Commerce by three arbitrators appointed by the International Court of
Arbitration of the International Chamber of Commerce in accordance with the said
Rules.

         SECTION 9.2 PLACE OF ARBITRATION. The place of arbitration shall be the
city of Dallas, Texas in the United States of America.

         SECTION 9.3 LANGUAGE OF ARBITRATION. The language of the arbitration
shall be English.

         SECTION 9.4 APPLICABLE LAW. This Agreement shall be governed by the
internal laws of the State of Delaware applicable to agreements entered into and
performed therein, without regard to the conflicts of laws principles.

                                   ARTICLE 10
                                  MISCELLANEOUS

         SECTION 10.1 NOTICES.



                                       40

<PAGE>   45



         All notices and other communications hereunder shall be in writing and
shall be sent by registered or certified mail (return receipt requested),
facsimile or express courier or delivered in Person to the addresses set forth
below.

         (a)      in the case of Seller at:

                  Elamex, S.A. de C.V.
                  220 North Kansas, Suite 566
                  El Paso Texas 79901

                  Phone: 915-774-8333
                  Fax:   915-774-8377

         (b)      in the case of Purchaser at:
                  Plexus Corp.
                  55 Jewelers Park Drive
                  Neenah, Wisconsin 54957

                  Phone:  920-722-3451
                  Fax:    920-751-3234

                  With copy to:

                  Quarles & Brady LLP
                  411 E. Wisconsin Avenue
                  Milwaukee, WI 53202-4497
                  Att: Kenneth V. Hallett
                  Phone: 414-277-5000
                  Fax:   414-271-3552

                  With copy to:

                  Bryan, Gonzalez Vargas y Gonzalez Baz, S.C.
                  Ave. 16 de Sept. 2026 Ote.
                  32030 Cd. Juarez, Chihuahua, 32030
                  Att: Ricardo Arias
                  Phone: (16) 15-1515
                  Fax:   (16) 14-2910

or such other addresses as may be designated by notice in writing. Notices shall
be deemed to have been given when received.



                                       41

<PAGE>   46



         SECTION 10.2 HEADINGS. The headings in this Agreement are for purposes
of reference only and shall not be considered in construing this Agreement.

         SECTION 10.3 COUNTERPARTS. This Agreement may be executed in any number
of counterparts, each of which when so executed and delivered, shall constitute
an original and all together shall constitute one instrument.

         SECTION 10.4 ASSIGNMENT. This Agreement shall bind and inure to the
benefit of each Party's respective successors and permitted assigns and nothing
in this Agreement confers any rights or remedies upon any other Person; provided
that each of the Parties shall not transfer any of its rights or obligations
hereunder or any interest herein without obtaining the written consent of the
other Party to this Agreement to such transfer. Notwithstanding the foregoing,
Purchaser or Seller may transfer any of its rights or any interest herein but
not its obligations hereunder to any Affiliate without the other's consent. Any
assignment or transfer in violation of this Agreement shall be null and void.

         SECTION 10.5 SEVERABILITY. In the event that any provision of this
Agreement shall be invalid, illegal or unenforceable, the validity, legality and
enforceability of the remaining provisions shall not in any way be affected or
impaired thereby as long as the remaining provisions do not fundamentally alter
the relations among the Parties.

         SECTION 10.6 ENTIRE AGREEMENT. This Agreement and the documents
referred to in this Agreement contain the entire agreement between the Parties
with respect to the subject matter hereof and supersedes all prior
understandings with respect to the subject matter hereof; provided, however,
that the Confidentiality Agreement shall remain in full force and effect.

         SECTION 10.7 SURVIVAL. The representations, warranties and covenants
made in this Agreement shall survive the Closing Date.

         SECTION 10.8 PUBLIC DISCLOSURE. Seller and Purchaser may make press
releases or similar public announcements concerning the execution or performance
of this Agreement or similar announcements in respect of Newco and Service
Company upon reasonable advance notice to the other which shall include a draft
copy of any such press release. Seller and Purchaser agree that their respective
initial press releases announcing the execution of this Agreement shall be
subject to the consent of the other party, whose consent shall not unreasonably
be withheld.

         SECTION 10.9 WAIVER OF PRE-EMPTIVE RIGHTS. Seller and QSN hereby waive
all pre-emptive rights (whether arising upon allotment, on issue, transfer of
otherwise) in respect of the share capital of Newco and Service Company now or
hereafter existing and the transactions contemplated hereby, whether such rights
are conferred by the charter documents, by agreement or otherwise.



                                       42

<PAGE>   47



         SECTION 10.10 KNOWLEDGE OF SELLER AND OF QSN. For purposes of this
Agreement, any statement made by a party on the basis of its "knowledge" is made
on the basis that it has, in order to establish that the statement is true,
complete and not misleading in any material respect made all reasonable inquires
of the officers, managers and other key persons employed by such party who could
reasonably be expected, based on their positions and expertise, to have
information relevant to the matters to which the statement relates and that, as
a result of those inquiries, such party reasonably believes that the statement
is true, complete and not misleading in any material respect.

         SECTION 10.11 CONSTRUCTION. Unless the contex requires otherwise, all
words used in this Agreement in the singular shall extend to and include the
plural, all words in the plural number shall extend to and include the singular,
and all words in any gender shall extend to and include the other gender. The
language used in this Agreement shall be deemed to be language chosen by the
Parties to this Agreement to express their mutual intent. In the event an
ambiguity or question of intent or interpretation arises concerning the language
of this Agreement, this Agreement shall be construed as if drafted jointly by
the Parties to this Agreement and no presumption or burden of proof will arise
favoring or disfavoring any Party to this Agreement by virtue of the authorship
of any of the provisions of this Agreement.

         SECTION 10.12 NO THIRD PARTY BENEFICIARIES. This Agreement is intended
to be solely for the benefit of the Parties hereto and to those set forth in the
Indemnity Agreement, and is not intended to confer any benefits upon, or create
any rights in favor of, any Person other than such Person.

         SECTION 10.13 EXHIBITS AND DISCLOSURE SCHEDULE. All capitalized terms
used in any Exhibit to this Agreement and/or in the Disclosure Schedule shall
have the definitions specified in this Agreement.

         SECTION 10.14 EXPENSES. All costs and expenses incurred in connection
with this Agreement and the transactions contemplated hereby (including fees and
disbursements of accountants and attorneys) shall be paid by the party incurring
them. Notwithstanding the foregoing, however, in the event that this Agreement
is terminated by Purchaser or Seller pursuant to Section 9.1(b), (c) or (d)
under circumstances where Seller, in the case of a termination by Purchaser, or
Purchaser, in the case of a termination by Seller, is in breach of this
Agreement or has failed to make all reasonable good faith efforts to cause to be
satisfied each of the conditions precedent set forth in Article 6 to be
performed or satisfied by such Party, the non-terminating Party shall pay the
terminating Party all out-of-pocket costs and expenses incurred by the
terminating Party in connection with the negotiation, investigation, evaluation
and documentation of the transactions contemplated hereby, which amounts shall
be in addition to, and not in lieu of, any other damages or relief such
terminating Party may be entitled hereunder or under applicable Law for breach
of this Agreement by the non-terminating Party.

         SECTION 10.15 FURTHER ASSURANCES. If, at any time after the Closing
Date, any further


                                       43

<PAGE>   48


action is necessary or desirable in good faith to carry out the purposes of this
Agreement or the Escrow Agreement, the proper officers or directors of
Purchaser, Seller or QSN, as the case may be, shall execute and deliver any
further instruments or documents and take all such necessary action as may
reasonably be requested of them without any further consideration or the
necessity to incur any further expenses except as provided herein.

         SECTION 10.16 AMENDMENT AND MODIFICATION. This Agreement and any of the
terms herein may be amended and modified only by mutual agreement of Purchaser
and Seller in writing.

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

"PURCHASER"
Plexus Corp.

- ----------------------------------
By:
    -----------------------
Title:
       --------------------
"SELLER"
Elamex, S.A. de C.V.

- ----------------------------------
By:
    -----------------------
Title:
       --------------------

"QSN"
Servicios Administrativos Elamex, S.A. de C.V.

- ----------------------------------
By:
    -----------------------
Title:
       --------------------


                                       44





<PAGE>   1



PROMISSORY NOTE
- ---------------

FOR VALUE RECEIVED, the undersigned hereby promises to pay to the order of
Plexus Corp., the sum of Two Hundred Sixty Thousand ($260,000) Dollars, together
with interest thereon at the rate of $250 per month for a maximum of Eight
months (unless extended by mutual agreement) on the unpaid balance.  Said sum
shall be paid in the manner following:  In full within five (5) days after the
undersigned is advised by Plexus Corp.'s counsel (Joseph D. Kaufman) that the
undersigned is not restricted by any law or SEC regulation from selling shares
of Plexus Corp. common stock.

All payments shall be first applied to interest and the balance to principal.

This Note may be prepaid, at any time, in whole or in part, without penalty.

This Note shall at the option of the holder hereof be immediately due and
payable upon failure to make any payment due hereunder, or for breach of any
condition of any security interest, mortgage, pledge agreement or guaranty
granted as collateral security for  this Note, or breach of any condition of
any security agreement or mortgage, if any, having a priority over any security
agreement or mortgage on collateral granted, in whole or in part, as collateral
security for this Note, or upon the filing by any of the undersigned of an
assignment for the benefit of creditors, bankruptcy, or for relief under any
provisions of the Bankruptcy Code, or by suffering an involuntary petition in
bankruptcy or receivership not vacated within thirty days, or if the
undersigned is no longer employed by Plexus Corp.  Additionally, any amount due
holder under said Note may be withheld from any monies due the undersigned from
the holder.

In the event this Note shall be in default, and placed with an attorney for
collection, then the undersigned agrees to pay all reasonable attorney fees and
costs of collection.  Payments not made within 5 days of due date shall be
subject to a late charge of 10% of said payment.  All payments hereunder shall
be made to such address as may from time to time be designated by the holder
hereof.

The undersigned hereby waives demand, presentment and protest and all notices
thereto and further agrees to remain bound, notwithstanding any extension,
modification, waiver, or other indulgence by any holder or upon the discharge
or release of any obligor hereunder or to this Note, or upon the exchange,
substitution, or release of any collateral granted as security for this Note.

The undersigned hereby pledges 4500 shares of Plexus Corp. common stock as
security for this Note, and hereby authorizes any officer of Plexus Corp. to
secure and sell said shares in the event of default by the undersigned, as
outlined in paragraphs 4 and 5 above.

Signed and sealed under penalty of perjury this 13th day of March, 2000.



                                             /s/ Thomas B. Sabol
                                             -----------------------------
                                             Thomas B. Sabol


STATE OF WISCONSIN    )
                      )SS.
COUNTY OF WINNEBAGO   )

     Subscribed and sworn to before me on this 13th day of March, 2000.


                                             Joseph D. Kaufman
                                             ---------------------------------
                                             Notary Public, State of Wisconsin
                                             My commission is permanent

<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000

<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          SEP-30-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               MAR-31-2000
<CASH>                                          25,250
<SECURITIES>                                     5,005
<RECEIVABLES>                                   75,813
<ALLOWANCES>                                       850
<INVENTORY>                                    107,345
<CURRENT-ASSETS>                               223,517
<PP&E>                                          92,412
<DEPRECIATION>                                  50,401
<TOTAL-ASSETS>                                 268,001
<CURRENT-LIABILITIES>                           96,296
<BONDS>                                              0
                                0
                                          0
<COMMON>                                           178
<OTHER-SE>                                     168,904
<TOTAL-LIABILITY-AND-EQUITY>                   268,001
<SALES>                                        161,994
<TOTAL-REVENUES>                               161,994
<CGS>                                          138,891
<TOTAL-COSTS>                                  138,891
<OTHER-EXPENSES>                                 7,515
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   2
<INCOME-PRETAX>                                 15,586
<INCOME-TAX>                                     6,234
<INCOME-CONTINUING>                              9,352
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     9,352
<EPS-BASIC>                                       0.53
<EPS-DILUTED>                                     0.49


</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000
<RESTATED>

<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          SEP-30-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                               0
<SECURITIES>                                         0
<RECEIVABLES>                                        0
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                     0
<PP&E>                                               0
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                       0
<CURRENT-LIABILITIES>                                0
<BONDS>                                              0
                                0
                                          0
<COMMON>                                             0
<OTHER-SE>                                           0
<TOTAL-LIABILITY-AND-EQUITY>                         0
<SALES>                                        119,165
<TOTAL-REVENUES>                               119,165
<CGS>                                          102,337
<TOTAL-COSTS>                                  102,337
<OTHER-EXPENSES>                                 6,335
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  66
<INCOME-PRETAX>                                 10,427
<INCOME-TAX>                                     4,162
<INCOME-CONTINUING>                              6,265
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     6,265
<EPS-BASIC>                                       0.36
<EPS-DILUTED>                                     0.34


</TABLE>


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