HADCO CORP
SC 13D, 2000-05-01
PRINTED CIRCUIT BOARDS
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<PAGE>   1

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13D
                                 (RULE 13d-101)

   INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO 13d-1(a) AND
                      AMENDMENTS THERETO FILED PURSUANT TO 13d-2(a)

                             (AMENDMENT NO. _____)(1)

                                HADCO Corporation
                                (Name of Issuer)

                     Common Stock, $.05 Par Value Per Share
                         (Title of Class of Securities)

                                   404681-10-8
                                 (CUSIP Number)

                             Patricia Randall, Esq.
                                Hadco Corporation
                                12A Manor Parkway
                                 Salem, NH 03079
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                 April 17, 2000
             (Date of Event which Requires Filing of this Statement)


         If the filing person has previously filed a statement on Schedule 13G
to report the acquisition which is the subject of this Schedule 13D, and is
filing this schedule because of Rule 13d-1(b)(3) or (4), check the following box
|_|.

                  NOTE: Six copies of this statement, including all exhibits,
         should be filed with the Commission. See Rule 13d-1(a) for other
         parties to whom copies are to be sent.

                         (Continued on following pages)

                              (Page 1 of 27 Pages)

- --------
         (1) The remainder of this cover page shall be filled out for a
reporting person's initial filing on this form with respect to the subject class
of securities, and for any subsequent amendment containing information which
would alter the disclosures provided in a prior cover page.

         The information required on the remainder of this cover page shall not
be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).
<PAGE>   2
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 2 OF 27 Pages
- -------------------------                                    -------------------


- --------------------------------------------------------------------------------
    1      NAME OF REPORTING PERSON

                    Horace H. Irvine, II

           I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


- --------------------------------------------------------------------------------
    2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*          (a) |X|
                                                                      (b) |_|

- --------------------------------------------------------------------------------
    3      SEC USE ONLY


- --------------------------------------------------------------------------------
    4      SOURCE OF FUNDS*
                      OO

- --------------------------------------------------------------------------------
    5      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED       |_|
           PURSUANT TO ITEMS 2(d) or 2(e)

- --------------------------------------------------------------------------------
    6      CITIZENSHIP OR PLACE OF ORGANIZATION

                    United States of America


- --------------------------------------------------------------------------------
                                7     SOLE VOTING POWER

                                      689,762 (subject to restrictions in that
                                      certain Stockholders Agreement, dated as
                                      of April 17, 2000, among Sanmina
                                      Corporation, a Delaware corporation
                                      ("Sanmina") and the stockholders of Hadco
                                      Corporation, a Massachusetts corporation,
                                      ("Issuer") listed on Schedule A thereto
                                      (the "Stockholders Agreement") filed as
                                      Exhibit 1 to this Schedule 13D.)
                             ---------------------------------------------------
          SHARES                8     SHARED VOTING POWER
       BENEFICIALLY
         OWNED BY                              -0-
           EACH              ---------------------------------------------------
         REPORTING              9     SOLE DISPOSITIVE POWER
          PERSON
           WITH                                670,407
                             (Subject to the Stockholders Agreement filed as
                             Exhibit 1 to this Schedule 13D.)
                             ---------------------------------------------------
                               10     SHARED DISPOSITIVE POWER

                                                     -0-
- --------------------------------------------------------------------------------
   11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           689,762
- --------------------------------------------------------------------------------
   12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN |X|
           SHARES* See Item 5 of the attached Schedule for information about
           shares excluded from the 689,762
- --------------------------------------------------------------------------------
   13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

           5.0% See Item 5 and Schedule II attached hereto
- --------------------------------------------------------------------------------
   14      TYPE OF REPORTING PERSON *

           IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
<PAGE>   3
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 3 OF 27 Pages
- -------------------------                                    -------------------





- --------------------------------------------------------------------------------
    1      NAME OF REPORTING PERSON

                    Andrew E. Lietz

           S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


- --------------------------------------------------------------------------------
    2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*          (a) |X|
                                                                      (b) |_|

- --------------------------------------------------------------------------------
    3      SEC USE ONLY


- --------------------------------------------------------------------------------
    4      SOURCE OF FUNDS*

           OO
- --------------------------------------------------------------------------------
    5      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED       |_|
           PURSUANT TO ITEMS 2(d) or 2(e)

- --------------------------------------------------------------------------------
    6      CITIZENSHIP OR PLACE OF ORGANIZATION

           United States of America

- --------------------------------------------------------------------------------
                                7     SOLE VOTING POWER
                                      83,601 (subject to the Stockholders
                                      Agreement filed as Exhibit 1 to this
                                      Schedule 13D.)
                             ---------------------------------------------------
          SHARES                8     SHARED VOTING POWER
       BENEFICIALLY                   -0-
         OWNED BY
           EACH              ---------------------------------------------------
         REPORTING              9     SOLE DISPOSITIVE POWER
          PERSON                      83,601(subject to the Stockholders
           WITH                       Agreement filed as Exhibit 1 to
                                      this Schedule 13D.)
                             ---------------------------------------------------
                               10     SHARED DISPOSITIVE POWER
                                      -0-
- --------------------------------------------------------------------------------
   11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           372,601
- --------------------------------------------------------------------------------
   12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN  |_|
           SHARES*

- --------------------------------------------------------------------------------
   13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

           2.6% See Item 5 and Schedule II attached hereto
- --------------------------------------------------------------------------------
   14      TYPE OF REPORTING PERSON *

           IN
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
<PAGE>   4
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 4 OF 27 Pages
- -------------------------                                    -------------------


- --------------------------------------------------------------------------------
    1      NAME OF REPORTING PERSON

                    Oliver O. Ward

           I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


- --------------------------------------------------------------------------------
           CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*           (a) |X|
                                                                       (b) |_|

- --------------------------------------------------------------------------------
    3      SEC USE ONLY


- --------------------------------------------------------------------------------
    4      SOURCE OF FUNDS*

           OO
- --------------------------------------------------------------------------------
    5      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED        |_|
           PURSUANT TO ITEMS 2(d) or 2(e)

- --------------------------------------------------------------------------------
    6      CITIZENSHIP OR PLACE OF ORGANIZATION

           United States of America

- --------------------------------------------------------------------------------
                                7     SOLE VOTING POWER
                                      1,387 (subject to the Stockholders
                                      Agreement filed as Exhibit 1 to this
                                      Schedule 13D.)

                             ---------------------------------------------------
          SHARES                8     SHARED VOTING POWER
       BENEFICIALLY                   -0-
         OWNED BY
           EACH              ---------------------------------------------------
         REPORTING              9     SOLE DISPOSITIVE POWER
          PERSON                      1,387 (subject to the Stockholders
           WITH                       Agreement filed as Exhibit 1 to
                                      this Schedule 13D.)
                             ---------------------------------------------------
                               10     SHARED DISPOSITIVE POWER
                                      -0-
- --------------------------------------------------------------------------------
   11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           13,387
- --------------------------------------------------------------------------------
   12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN  |_|
           SHARES*

- --------------------------------------------------------------------------------
   13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

           0.10% See Item 5 and Schedule II attached hereto
- --------------------------------------------------------------------------------
   14      TYPE OF REPORTING PERSON *

           IN
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
<PAGE>   5
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 5 OF 27 Pages
- -------------------------                                    -------------------

- --------------------------------------------------------------------------------
    1      NAME OF REPORTING PERSON

                    John F. Smith

           S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


- --------------------------------------------------------------------------------
    2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*          (a) |X|
                                                                      (b) |_|

- --------------------------------------------------------------------------------
    3      SEC USE ONLY


- --------------------------------------------------------------------------------
    4      SOURCE OF FUNDS*

           OO
- --------------------------------------------------------------------------------
    5      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED       |_|
           PURSUANT TO ITEMS 2(d) or 2(e)

- --------------------------------------------------------------------------------
    6      CITIZENSHIP OR PLACE OF ORGANIZATION

           United States of America

- --------------------------------------------------------------------------------
                                7     SOLE VOTING POWER
                                      26,887 (subject to the Stockholders
                                      Agreement filed as Exhibit 1 to this
                                      Schedule 13D.)
                             ---------------------------------------------------
          SHARES                8     SHARED VOTING POWER
       BENEFICIALLY                   -0-
         OWNED BY
           EACH              ---------------------------------------------------
         REPORTING              9     SOLE DISPOSITIVE POWER
          PERSON                      26,887 (subject to the Stockholders
           WITH                       Agreement filed as Exhibit 1 to
                                      this Schedule 13D.)
                             ---------------------------------------------------
                               10     SHARED DISPOSITIVE POWER
                                      -0-
- --------------------------------------------------------------------------------
   11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           29,887
- --------------------------------------------------------------------------------
   12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN  |_|
           SHARES*

- --------------------------------------------------------------------------------
   13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

           0.22% See Item 5 and Schedule II attached hereto
- --------------------------------------------------------------------------------
   14      TYPE OF REPORTING PERSON *

           IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
<PAGE>   6
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 6 OF 27 Pages
- -------------------------                                    -------------------

- --------------------------------------------------------------------------------
    1      NAME OF REPORTING PERSON

                    John E. Pomeroy

           S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


- --------------------------------------------------------------------------------
    2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*           (a) |X|
                                                                       (b) |_|

- --------------------------------------------------------------------------------
    3      SEC USE ONLY


- --------------------------------------------------------------------------------
    4      SOURCE OF FUNDS*

           OO
- --------------------------------------------------------------------------------
    5      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED        |_|
           PURSUANT TO ITEMS 2(d) or 2(e)

- --------------------------------------------------------------------------------
    6      CITIZENSHIP OR PLACE OF ORGANIZATION

           United States of America

- --------------------------------------------------------------------------------
                                7     SOLE VOTING POWER
                                      4,387 (subject to the Stockholders
                                      Agreement filed as Exhibit 1 to this
                                      Schedule 13D.)
                             ---------------------------------------------------
          SHARES                8     SHARED VOTING POWER
       BENEFICIALLY                   -0-
         OWNED BY
           EACH              ---------------------------------------------------
         REPORTING              9     SOLE DISPOSITIVE POWER
          PERSON                      4,387 (subject to the Stockholders
           WITH                       Agreement filed as Exhibit 1 to
                                      this Schedule 13D.)

                             ---------------------------------------------------
                               10     SHARED DISPOSITIVE POWER
                                      -0-
- --------------------------------------------------------------------------------
   11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
           19,387

- --------------------------------------------------------------------------------
   12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN  |_|
           SHARES*

- --------------------------------------------------------------------------------
   13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

           0.14% See Item 5 and Schedule II attached hereto
- --------------------------------------------------------------------------------
   14      TYPE OF REPORTING PERSON *

           IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
<PAGE>   7
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 7 OF 27 PAGES
- -------------------------                                    -------------------



- --------------------------------------------------------------------------------
    1      NAME OF REPORTING PERSON

                    James C. Taylor

           S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


- --------------------------------------------------------------------------------
    2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*       (a) |X|
                                                                   (b) |_|

- --------------------------------------------------------------------------------
    3      SEC USE ONLY


- --------------------------------------------------------------------------------
    4      SOURCE OF FUNDS*
           OO

- --------------------------------------------------------------------------------
    5      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED    |_|
           PURSUANT TO ITEMS 2(d) or 2(e)

- --------------------------------------------------------------------------------
    6      CITIZENSHIP OR PLACE OF ORGANIZATION

           United States of America

- --------------------------------------------------------------------------------
                                7     SOLE VOTING POWER
                                      6,387 (subject to the Stockholders
                                      Agreement filed as Exhibit 1 to this
                                      Schedule 13D.)

                             ---------------------------------------------------
          SHARES                8     SHARED VOTING POWER
       BENEFICIALLY                   -0-
         OWNED BY
                             ---------------------------------------------------
           EACH                 9     SOLE DISPOSITIVE POWER
         REPORTING                    6,387 (subject to the Stockholders
          PERSON                      Agreement filed as Exhibit 1 to
                                      this Schedule 13D.)
                             ---------------------------------------------------
           WITH                10     SHARED DISPOSITIVE POWER
                                      -0-
- --------------------------------------------------------------------------------
   11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
           21,387

- --------------------------------------------------------------------------------
   12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN  |_|
           SHARES*

- --------------------------------------------------------------------------------
   13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

           0.15% See Item 5 and Schedule II attached hereto
- --------------------------------------------------------------------------------
   14      TYPE OF REPORTING PERSON *

           IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
<PAGE>   8
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 8 OF 27 PAGES
- -------------------------                                    -------------------



- --------------------------------------------------------------------------------
    1      NAME OF REPORTING PERSON

                    Mauro J. Walker

           S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


- --------------------------------------------------------------------------------
    2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*       (a) |X|
                                                                   (b) |_|

- --------------------------------------------------------------------------------
    3      SEC USE ONLY


- --------------------------------------------------------------------------------
    4      SOURCE OF FUNDS*
           OO

- --------------------------------------------------------------------------------
    5      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED    |_|
           PURSUANT TO ITEMS 2(d) or 2(e)

- --------------------------------------------------------------------------------
    6      CITIZENSHIP OR PLACE OF ORGANIZATION
            United States of America

- --------------------------------------------------------------------------------
                                7     SOLE VOTING POWER
                                      1,329 (subject to the Stockholders
                                      Agreement filed as Exhibit 1 to this
                                      Schedule 13D.)

                             ---------------------------------------------------
          SHARES                8     SHARED VOTING POWER
       BENEFICIALLY                   -0-
         OWNED BY

                             ---------------------------------------------------
           EACH                 9     SOLE DISPOSITIVE POWER
         REPORTING                    1,329 (subject to the Stockholders
          PERSON                      Agreement filed as Exhibit 1 to
                                      this Schedule 13D.)
                             ---------------------------------------------------
           WITH                10     SHARED DISPOSITIVE POWER
                                      -0-
- --------------------------------------------------------------------------------
   11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
           16,329

- --------------------------------------------------------------------------------
   12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN  |_|
           SHARES*

- --------------------------------------------------------------------------------
   13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

           0.12% See Item 5 and Schedule II attached hereto
- --------------------------------------------------------------------------------
   14      TYPE OF REPORTING PERSON *

           IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
<PAGE>   9
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 9 OF 27 PAGES
- -------------------------                                    -------------------

                                  SCHEDULE 13D

- --------------------------------------------------------------------------------
    1      NAME OF REPORTING PERSON

                    Gilbert M. Roddy, Jr.

           S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


- --------------------------------------------------------------------------------
    2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*       (a) |X|
                                                                   (b) |_|

- --------------------------------------------------------------------------------
    3      SEC USE ONLY


- --------------------------------------------------------------------------------
    4      SOURCE OF FUNDS*

           OO
- --------------------------------------------------------------------------------
    5      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED    |_|
           PURSUANT TO ITEMS 2(d) or 2(e)

- --------------------------------------------------------------------------------
    6      CITIZENSHIP OR PLACE OF ORGANIZATION

           United States of America

- --------------------------------------------------------------------------------
                                7     SOLE VOTING POWER
                                      745 (subject to the Stockholders Agreement
                                      filed as Exhibit 1 to this Schedule 13D.)
                             ---------------------------------------------------
          SHARES                8     SHARED VOTING POWER
       BENEFICIALLY                   42,605 (subject to the Stockholders
         OWNED BY                     Agreement filed as Exhibit 1 to this
                                      Schedule 13D.)  See Item 5 of the attached
                                      Schedule for further information as to
                                      shared voting power.
                             ---------------------------------------------------
           EACH                 9     SOLE DISPOSITIVE POWER
         REPORTING                    745 (subject to the Stockholders Agreement
          PERSON                       filed as Exhibit 1 to this Schedule 13D.)

                             ---------------------------------------------------
           WITH                10     SHARED DISPOSITIVE POWER
                                      42,605 (subject to the Stockholders
                                      Agreement filed as Exhibit 1 to this
                                      Schedule 13D.) See Item 5 of the attached
                                      Schedule for further information as to
                                      shared dispositive power.
- --------------------------------------------------------------------------------
   11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
           58,350

- --------------------------------------------------------------------------------
   12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN    |X|
           SHARES* See Item 5 of the attached Schedule for information about
           shares excluded from the 58,350.
- --------------------------------------------------------------------------------
   13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

           0.42% See Item 5 and Schedule II attached hereto
- --------------------------------------------------------------------------------
   14      TYPE OF REPORTING PERSON *

           IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
<PAGE>   10
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 10 OF 27 Pages
- -------------------------                                    -------------------



- --------------------------------------------------------------------------------
    1      NAME OF REPORTING PERSON

                    F. Gordon Bitter

           S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


- --------------------------------------------------------------------------------
    2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*        (a) |X|
                                                                    (b) |_|

- --------------------------------------------------------------------------------
    3      SEC USE ONLY


- --------------------------------------------------------------------------------
    4      SOURCE OF FUNDS*
           OO

- --------------------------------------------------------------------------------
    5      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED      |_|
           PURSUANT TO ITEMS 2(d) or 2(e)

- --------------------------------------------------------------------------------
    6      CITIZENSHIP OR PLACE OF ORGANIZATION
            United States of America

- --------------------------------------------------------------------------------
                                7     SOLE VOTING POWER
                                      3,573 (subject to the Stockholders
                                      Agreement filed as Exhibit 1 to this
                                      Schedule 13D.)

                             ---------------------------------------------------
          SHARES                8     SHARED VOTING POWER
       BENEFICIALLY                   -0-
         OWNED BY

                             ---------------------------------------------------
           EACH                 9     SOLE DISPOSITIVE POWER
         REPORTING                    3,573 (subject to the Stockholders
          PERSON                      Agreement filed as Exhibit 1 to this
                                      Schedule 13D.)
                             ---------------------------------------------------
           WITH                10     SHARED DISPOSITIVE POWER
                                      -0-
- --------------------------------------------------------------------------------
   11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
           32,073

- --------------------------------------------------------------------------------
   12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN  |_|
           SHARES*

- --------------------------------------------------------------------------------
   13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

           0.23% See Item 5 and Schedule II attached hereto
- --------------------------------------------------------------------------------
   14      TYPE OF REPORTING PERSON *

           IN
- --------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
<PAGE>   11
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 11 OF 27 Pages
- -------------------------                                    -------------------

         Neither the filing of this statement on Schedule 13D nor any of its
contents shall be deemed to constitute an admission by Horace H. Irvine, II,
Andrew E. Lietz, Oliver O. Ward, John F. Smith, John E. Pomeroy, James C.
Taylor, Mauro J. Walker, Gilbert M. Roddy, Jr. and F. Gordon Bitter
(collectively, the "Reporting Persons") or Lawrence Coolidge or James Hamilton
that he is the beneficial owner of any of the Common Stock referred to herein
for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended
(the "Act"), or for any other purpose, and such beneficial ownership is
expressly disclaimed. Any information contained herein as to any Reporting
Person has been provided by such Reporting Person, and any other information
contained herein has been provided by Hadco Corporation.

ITEM 1.  SECURITY AND ISSUER.

         This statement on Schedule 13D relates to the Common Stock, $.05 par
value per share (the "Issuer Common Stock"), of Hadco Corporation, a
Massachusetts corporation (the "Issuer"). The principal executive offices of the
Issuer are located at 12A Manor Parkway, Salem, New Hampshire 03079.

ITEM 2.  IDENTITY AND BACKGROUND.

         (i)      The names of the people filing this statement are:

                  Horace H. Irvine, II, Andrew E. Lietz, Oliver O. Ward, John F.
Smith, John E. Pomeroy, James C. Taylor, Mauro J. Walker, Gilbert M. Roddy, Jr.
and F. Gordon Bitter.

         (ii)     The address of the principal office of (i) Horace H. Irvine,
II is: Hadco Corporation, 12A Manor Parkway, Salem, New Hampshire 03079; (ii)
Andrew E. Lietz is: Hadco Corporation, 12A Manor Parkway, Salem, New Hampshire
03079; (iii) Oliver O. Ward is: Germanium Power Devices Corporation, 300
Brickstone Square, York Street, Box 3065-SVS, Andover, Massachusetts 01810-3065;
(iv) John F. Smith is: 11 Samuel Parlin Drive, Acton, Massachusetts 01720; (v)
John E. Pomeroy is: Dover Technologies, 20 Hawley Street, 6th Floor, East Tower,
Binghamton, NY 13901; (vi) James C. Taylor is: Downer and Company, 211 Congress
Street, Boston, Massachusetts 02110; (vii) Mauro J. Walker is: 108 Dolphine
Drive, Ocean Ridge, FL 33435; (viii) Gilbert M. Roddy, Jr. is: Loring, Wolcott
and Coolidge, 230 Congress Street, Boston, Massachusetts 02110; and (ix) F.
Gordon Bitter is: Hadco Corporation, 12A Manor Parkway, Salem, New Hampshire
03079. Set forth in Schedule I is a list of each of the Reporting Persons, their
business address, principal occupation or employment and the name, principal
business and address of any corporation or other organization in which such
employment is conducted.


         (ii)     During the past five years, none of the Reporting Persons nor
Messers. Lawrence Coolidge or James Hamilton have been convicted in a criminal
proceeding (excluding traffic violations or similar misdemeanors).

         (iii)    During the past five years, none of the Reporting Persons nor
Messers. Coolidge or Hamilton were a party to a civil proceeding of a judicial
or administrative body of competent jurisdiction as a result of which such
person was or is subject to a judgment, decree or final order enjoining future
violations of or prohibiting or mandating activity subject to Federal or state
securities laws or finding any violation with respect to such laws.
<PAGE>   12
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 12 OF 27 Pages
- -------------------------                                    -------------------

         (iv)     All of the Reporting Persons and Messers. Coolidge and
Hamilton are citizens of the United States of America.

         Additional information regarding Lawrence Coolidge and James Hamilton
contained in Item 5 herein is incorporated by reference into Item 2.

ITEM 3.  SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION

         Pursuant to an Agreement and Plan of Merger (the "Agreement") dated
April 17, 2000 by and among Issuer, Sanmina Corporation, a Delaware corporation
("Sanmina"), and SANM Acquisition Subsidiary, Inc., a Massachusetts corporation
and a wholly-owned subsidiary of Sanmina (the "Merger Sub"), the Merger Sub will
merge into Issuer (the "Merger"), after which the separate corporate existence
of Merger Sub shall cease and Issuer shall continue as the surviving corporation
and a wholly-owned subsidiary of Sanmina. In the Merger, all outstanding shares
of Common Stock, par value $.05 per share, of Issuer shall each be converted
into the right to receive 1.40 shares of Common Stock, par value $.01 per share,
of Sanmina (the "Sanmina Common Stock"). If the average last reported sale price
of Sanmina's Common Stock during the 20 trading days ending on the third trading
day prior to the date of the meeting of Issuer's stockholders (the "Stockholders
Meeting") to approve the Merger and the Agreement is less than $40.00 per share
(subject to adjustments for stock splits, stock dividends, combinations and the
like), Issuer may terminate the Agreement, subject to Sanmina's right to
increase the exchange ratio to $56.00 divided by the average last reported sale
price of Sanmina Common Stock during the 20 trading days ending on the third
trading day prior to the date of the Stockholders Meeting. The Agreement
provides for a mutual termination fee of $23.87 million in the event that either
party terminates the Agreement under certain circumstances. In addition, Issuer
has granted Sanmina an option to purchase 19.9% of the outstanding shares of
Issuer, which is exercisable only upon certain events. The consummation of the
Merger is subject to various conditions precedent, including approval of the
stockholders holding two-thirds of the outstanding Common Stock of Issuer and
entitled to vote thereon and various state and Federal regulatory agencies, as
well as other customary conditions. The Merger is intended to be a tax-free
reorganization under Section 368(a) of the Internal Revenue Code of 1986, as
amended, and is intended to be treated as a pooling of interests for financial
accounting purposes in accordance with generally accepted accounting principles.
The foregoing summary of the Merger is qualified in its entirety by reference to
the copy of the Merger Agreement included as Exhibit 2 to this Schedule 13D and
incorporated herein in its entirety by reference. The Reporting Persons are not
parties to the Merger Agreement.

         This statement on Schedule 13D relates to a certain voting arrangement
pursuant to the Stockholders Agreement as described in Item 4 below.

ITEM 4.  PURPOSE OF TRANSACTION

              (a) - (b) As described in Item 3 above, this statement relates
to the Merger of the Merger Sub with and into the Issuer in a merger pursuant to
the relevant provisions of the Massachusetts Business Corporation Law
("Massachusetts Law"). At the effective time of the Merger (the "Effective
Time"), the separate existence of the Merger Sub will cease to exist and the
Issuer will continue as the surviving corporation (the "Surviving Corporation")
and wholly owned subsidiary of Sanmina. In connection with the Merger, holders
of outstanding Issuer Common Stock will receive, in exchange for each share of
Issuer Common Stock held by them 1.40 shares of Sanmina Common Stock. In
addition, Sanmina will assume the options under the Issuer's stock option plans
which are outstanding immediately prior to the Effective Time. If the
<PAGE>   13
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 13 OF 27 Pages
- -------------------------                                    -------------------

Merger is consummated, Issuer Common Stock will be deregistered under the Act
and delisted from The New York Stock Exchange.

         The foregoing summary of the Merger is qualified in its entirety by
reference to the copy of the Merger Agreement included as Exhibit 2 to this
Schedule 13D and incorporated herein in its entirety by reference. The Reporting
Persons are not parties to the Merger Agreement.

         As an inducement to Sanmina to enter into the Merger Agreement, Sanmina
and Issuer entered into a Stock Option Agreement, dated April 17, 2000 (the
"Stock Option Agreement"). The Stock Option Agreement, by and between Sanmina
and Issuer grants Sanmina an option (the "Stock Option") to purchase up to 19.9%
of Issuer's outstanding shares of Common Stock, which is exercisable only upon
certain events. The Reporting Persons are not parties to the Stock Option
Agreement.

         As an inducement for Sanmina to enter into the Merger Agreement and in
consideration thereof, the Reporting Persons entered into the Stockholders
Agreements dated as of April 17, 2000 with Sanmina (the "Stockholders
Agreement") whereby the Reporting Persons agreed to vote all of the shares of
Issuer Common Stock owned by them in favor of approval of the Merger. Sanmina
did not pay additional consideration to the Reporting Persons in connection with
the execution and delivery of the Stockholders Agreement. During the term of the
Stockholder Agreement, each Reporting Person is subject to restrictions on the
disposition of Issuer Common Stock held by such Reporting Person. The foregoing
summary of the Stockholders Agreement is qualified in its entirety by reference
to the copy of the Stockholders Agreement included as Exhibit 1 of this Schedule
13D and incorporated herein in its entirety by reference.

         The purpose of the transaction under the Stockholders Agreement is to
increase the likelihood that Issuer and Sanmina consummate the transactions
contemplated under the Merger Agreement.

         (c)      Not applicable.

         (d)      To the knowledge of the Reporting Persons, it is anticipated
that upon consummation of the Merger, the initial directors of the Surviving
Corporation shall be the current directors of Merger Sub, until their respective
successors are duly elected or appointed and qualified. It is anticipated that
upon consummation of the Merger, the initial officers of the Surviving
Corporation shall be the current officers of Issuer, until their respective
successors are duly elected or appointed and qualified.

         (e)      Other than as a result of the Merger described in Item 3
above, not applicable.

         (f)      Not applicable.

         (g)      To the knowledge of the Reporting Persons, upon consummation
of the Merger, the Articles of Organization of Merger Sub as in effect
immediately prior to the Merger, shall be the Articles of Organization of the
Surviving Corporation until thereafter amended as provided by Massachusetts Law
and such Articles of Organization, provided, that the Articles of Organization
shall be amended so that the name of the Surviving Corporation is "Hadco
Corporation". Upon consummation of the Merger, the Bylaws of Merger Sub, as in
effect immediately prior to the Merger, shall be the Bylaws of the Surviving
Corporation until thereafter amended.

         (h) - (i) If the Merger is consummated as planned, Issuer Common Stock
will be deregistered under the Act and delisted from The New York Stock
Exchange.
<PAGE>   14
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 14 OF 27 Pages
- -------------------------                                    -------------------

         (j)      Other than as described above, each Reporting Person currently
knows of no plan or proposals which relate to, or may result in, any of the
matters listed in Items 4(a) - (j) of Schedule 13D.

         References to, and descriptions of, the Stockholders Agreement and
Merger Agreement as set forth above in this Item 4 are qualified in their
entirety by reference to the copies of the Stockholders Agreement and the Merger
Agreement, and respectively, included as Exhibits 1 and 2, respectively, to this
Schedule 13D, and are incorporated in this Item 4 in their entirety where such
references and descriptions appear.

ITEM 5.  INTEREST IN SECURITIES OF THE ISSUER

         (a) - (b) Mr. Irvine is the beneficial owner of 689,762 shares of
common stock of Issuer as of April 25, 2000 including 19,355 shares held in a
voting trust for the benefit of Andrea P. Irvine. Mr. Irvine, who is the sole
trustee of such trust and retains sole voting power with respect to the shares
held in such trust, disclaims beneficial ownership of such shares. Mr. Irvine
has sole dispositive power over 670,407 shares of common stock of Issuer. The
amount beneficially owned does not include 42,605 shares of Issuer held in
irrevocable trusts for the benefit of members of Horace H. Irvine, II's family.
Mr. Irvine, who is not a trustee of such trusts, disclaims beneficial ownership
of such 42,605 shares. James C. Hamilton, a partner in the law firm Hamilton &
Dahmen, LLP, that is general counsel to Issuer and Clerk of Issuer, Lawrence
Coolidge, president of Loring, Wolcott and Coolidge and a former Director of
Issuer, and Gilbert M. Roddy, Jr., a Director of Issuer, are co-trustees of
these irrevocable trusts. Horace H. Irvine, II retains no voting or dispositive
power with respect to these shares. All voting rights under these trusts reside
in Messrs. Hamilton, Coolidge and Roddy, who have the right to dispose of such
shares. The address for Hamilton & Dahmen, LLP is 73 Tremont Street, Suite 403,
Boston, Massachusetts 02108 and the address for Loring, Wolcott and Coolidge is
230 Congress Street, Boston, Massachusetts 02110.

         In addition, set forth on Schedule II opposite each Reporting Person's
name is (i) that number of shares of Issuer Common Stock beneficially owned by
such Reporting Person as of the date hereof (identifying those shares which
there is a right to purchase) and (ii) the percentage of issued and outstanding
Issuer Common Stock that such shares represent (based on 13,834,388 shares of
Issuer Common Stock reported to be outstanding as of April 25, 2000).

         (c)      Each Reporting Person represents on behalf of itself that it
has not affected any transaction in Issuer Common Stock during the past 60 days,
other than the following:

         Mr. Smith was awarded options to purchase 3,000 shares of Issuer Common
Stock on March 1, 2000 with an exercise price of $55.00 per share pursuant to
the Hadco Corporation 1991 Non-Employee Directors' Option Plan.

         Messers. Pomeroy, Roddy, Taylor, Walker and Ward were each awarded 176
shares of Issuer Common Stock on March 2, 2000 at a price of $56.63 per share
pursuant to the Hadco Corporation Outside Directors' Compensation Plan of 2000.

         Mr. Ward was awarded options to purchase 3,000 shares of Issuer Common
Stock on March 11, 2000 with an exercise price of $54.85 per share pursuant to
the Hadco Corporation 1991 Non-Employee Directors' Option Plan.
<PAGE>   15
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 15 OF 27 Pages
- -------------------------                                    -------------------

         (d)      Not applicable.

         (e)      Not applicable.

ITEM 6.    CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS
           WITH RESPECT TO SECURITIES OF THE ISSUER

           Other than as described herein, and to the knowledge of each
Reporting Person, there are no contracts, arrangements, understandings or
relationships (legal or otherwise) among the persons named in Item 2 and between
such persons and any person with respect to any securities of the Issuer,
including but not limited to transfer or voting of any of the securities,
finder's fees, joint ventures, loan or option arrangements, puts or calls,
guarantees of profits, division of profits or loss, or the giving or withholding
of proxies.


ITEM 7.    MATERIAL TO BE FILED AS EXHIBITS

Exhibit No.                                   Description

    1                      Stockholders Agreement, dated as of April 17, 2000,
                           among Sanmina Corporation, a Delaware corporation,
                           and the stockholders of Hadco Corporation, a
                           Massachusetts corporation, listed on Schedule A
                           thereto.

    2                      Agreement and Plan of Merger dated April 17, 2000, by
                           and among Hadco Corporation, a Massachusetts
                           corporation, SANM Acquisition Subsidiary, Inc., a
                           Massachusetts corporation, and Sanmina Corporation, a
                           Delaware corporation.
<PAGE>   16
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 16 OF 27 PAGES
- -------------------------                                    -------------------

                                    SIGNATURE

       After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


Date:   May 1, 2000

                                             /s/ Horace H. Irvine, II
                                             -----------------------------------
                                             Horace H. Irvine, II
<PAGE>   17
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 17 OF 27 PAGES
- -------------------------                                    -------------------

                                    SIGNATURE

       After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


Date:   May 1, 2000

                                             /s/ Andrew E. Lietz
                                             -----------------------------------
                                             Andrew E. Lietz
<PAGE>   18
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 18 OF 27 PAGES
- -------------------------                                    -------------------


                                    SIGNATURE

       After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


Date:   May 1, 2000

                                             /s/ Oliver O. Ward
                                             -----------------------------------
                                             Oliver O. Ward
<PAGE>   19
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 19 OF 27 PAGES
- -------------------------                                    -------------------


                                    SIGNATURE

       After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


Date:  May 1, 2000

                                             /s/ John F. Smith
                                             -----------------------------------
                                             John F. Smith
<PAGE>   20
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 20 OF 27 PAGES
- -------------------------                                    -------------------


                                    SIGNATURE

       After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


Date:  May 1, 2000


                                             /s/ John E. Pomeroy
                                             -----------------------------------
                                             John E. Pomeroy
<PAGE>   21
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 21 OF 27 PAGES
- -------------------------                                    -------------------

                                    SIGNATURE

       After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


Date:  May 1, 2000

                                             /s/ James C. Taylor
                                             -----------------------------------
                                             James C. Taylor
<PAGE>   22
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 22 OF 27 Pages
- -------------------------                                    -------------------


                                    SIGNATURE

       After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


Date:  May 1, 2000

                                             /s/ Mauro J. Walker
                                             -----------------------------------
                                             Mauro J. Walker
<PAGE>   23
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 23 OF 27 Pages
- -------------------------                                    -------------------

                                    SIGNATURE

       After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


Date:  May 1, 2000


                                             /s/ Gilbert M. Roddy, Jr.
                                             -----------------------------------
                                             Gilbert M. Roddy, Jr.
<PAGE>   24
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 24 OF 26 Pages
- -------------------------                                    -------------------

                                    SIGNATURE

       After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


Date:  May 1, 2000

                                             /s/ F. Gordon Bitter
                                             -----------------------------------
                                             F. Gordon Bitter
<PAGE>   25
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 25 OF 26 Pages
- -------------------------                                    -------------------

                                   SCHEDULE I

<TABLE>
<CAPTION>
                                                                                   Name and Address of Corporation
                                             Principal Occupation                      or Other Organization in
    Name                                        or Employment                               Which Employed

<S>                                <C>                                            <C>
    Horace H. Irvine, II           Chairman of the Board of Directors of          Hadco Corporation
                                   Hadco Corporation                              12A Manor Parkway
                                                                                  Salem, NH 03079


    Andrew E. Lietz                President, Chief Executive Officer and         Hadco Corporation
                                   Director of Hadco Corporation                  12A Manor Parkway
                                                                                  Salem, NH 03079


    Oliver O. Ward                 Chairman of the Board, Chief Executive         Germanium Power
                                   Officer and President of Germanium             Devices Corporation
                                   Power Devices Corp.                            300 Brickstone Square
                                                                                  York Street
                                                                                  Box 3065-SVS
                                                                                  Andover, MA 01810-3065


    John F. Smith                  President of MYCOS International, Inc.         11 Samuel Parlin Drive
                                                                                  Acton, MA 01720


    John E. Pomeroy                President and Chief Executive Officer          Dover Technologies
                                   of Dover Technologies, a subsidiary of         20 Hawley Street
                                   Dover Corporation                              6th Floor, East Tower
                                                                                  Binghamton, NY 13901


    James C. Taylor                Advisory Director at Downer & Company          Downer & Company
                                                                                  211 Congress Street
                                                                                  Boston, MA 02110


    Mauro J. Walker                Consultant                                     108 Dolphine Drive
                                                                                  Ocean Ridge, FL 33435


    Gilbert M. Roddy, Jr.          Private Trustee at Loring, Wolcott &           Loring, Wolcott & Coolidge
                                   Coolidge                                       230 Congress Street
                                                                                  Boston, MA 02110


    F. Gordon Bitter               Senior Vice President -- Finance and           Hadco Corporation
                                   Administration, Chief Financial Officer        12A Manor Parkway
                                   and Treasurer                                  Salem, NH 03079
</TABLE>
<PAGE>   26
- -------------------------                                    -------------------
CUSIP NO.  404681-10-8                13D                    PAGE 26 OF 26 Pages
- -------------------------                                    -------------------


                                   SCHEDULE II

<TABLE>
<CAPTION>
                                                                                 Beneficial Ownership
                                                                              Percentage of Outstanding
Reporting Person                    Number of Shares of Issuer                 Shares of Issuer Common
                                 Common Stock Beneficially Owned(1)           Stock as of April 25, 2000
                                 ----------------------------------           --------------------------
<S>                                 <C>                                       <C>
Horace H. Irvine, II                          689,762(2)                                5.0%
Andrew E. Lietz                               372,601                                   2.6%
Oliver O. Ward                                 13,387                                   0.10%
John F. Smith                                  29,887                                   0.22%
John E. Pomeroy                                19,387                                   0.14%
James C. Taylor                                21,387                                   0.15%
Mauro J. Walker                                16,329                                   0.12%
Gilbert M. Roddy, Jr.                          58,350(3)                                0.42%
F. Gordon Bitter                               32,073                                   0.23%
</TABLE>

(1)  Includes shares issuable upon the exercise of (i) stock options granted to
     the above Reporting Persons that are currently exercisable or will become
     exercisable within 60 days of April 25, 2000 and (ii) additional stock
     options that accelerate and become fully vested immediately prior to the
     Effective Time of the Merger. The Effective Time of the Merger may or may
     not occur within 60 days following April 25, 2000, and the consummation of
     the Merger itself is subject to various conditions described in the
     attached Schedule 13D.

(2)  See Item 5 information regarding beneficial ownership.

(3)  See Item 5 information regarding beneficial ownership.



<PAGE>   1
                                                                       Exhibit 1


                             STOCKHOLDERS AGREEMENT

         Stockholders Agreement (this "Agreement"), dated as of April 17, 2000,
among Sanmina Corporation, a Delaware corporation ("Parent"), and the
stockholders of Hadco Corporation, a Massachusetts corporation (the "Company"),
listed on Schedule A hereto (the "Stockholders").

         WHEREAS, concurrently with the execution of this Agreement, Parent,
SANM Acquisition Subsidiary, Inc., a Massachusetts corporation and a wholly
owned subsidiary of Parent ("Sub"), and the Company have entered into an
Agreement and Plan of Merger (as the same may be further amended from time to
time, the "Merger Agreement"), providing for the merger (the "Merger") of Sub
with and into the Company pursuant to the terms and conditions of the Merger
Agreement; and

         WHEREAS, the Stockholders own of record and beneficially the shares
(the "Shares") of the common stock, $0.05 par value, of the Company (the
"Company Common Stock") set forth opposite their respective names on Schedule A
hereto and wish to enter into this Agreement with respect to the Shares; and

         WHEREAS, in order to induce Parent and Sub to enter into the Merger
Agreement, the Stockholders have agreed, upon the terms and subject to the
conditions set forth herein, to vote the Shares at a meeting of the Company's
stockholders in favor of approval of the Merger.

         NOW, THEREFORE, for good and valuable consideration, the receipt,
sufficiency and adequacy of which is hereby acknowledged, the parties hereto
agree as follows:

      1.    Agreement To Vote Shares.

            (a) Subject to Section 1(b) hereof, each of the Stockholders agrees
during the term of this Agreement to vote the Shares as to which it has voting
power or control, in person or by proxy, in favor of approval of the Merger at
the meeting of the stockholders of the Company at which such matter is
considered and at any adjournment thereof (the "Stockholder Meeting"); provided,
however, that for purposes of Section 1 hereof, Shares shall not include any
shares of Company Common Stock that a Stockholder may acquire upon the exercise
of any stock option unless such option has been exercised and such shares of
Company Common Stock have been issued to the Stockholder and are held by the
Stockholder as of the relevant record date.

            (b) Notwithstanding anything to the contrary contained herein, the
obligations of the Stockholders pursuant to Section 1(a) hereof with respect to
such matter to be considered at the Stockholder Meeting are subject to the
following conditions:

                  (i) Parent shall have performed in all material respects all
of its material obligations under the Merger Agreement to have been performed at
or prior to the date of such Stockholder Meeting;
<PAGE>   2
                  (ii) there shall not be in effect on the date of such
Stockholder Meeting any statute, rule, regulation, order or injunction of a
court of competent jurisdiction or governmental authority directing that the
transactions contemplated by the Merger Agreement not be consummated; and

                  (iii) the Form S-4 (as defined in the Merger Agreement) to be
filed with the Securities and Exchange Commission (the "Commission") by Parent
under the Securities Act of 1933, as amended (the "Act"), to register the common
shares, $0.01 par value, of Parent to be issued in the Merger shall have become
effective under the Act and shall not be the subject of any stop order or
proceeding by the Commission seeking a stop order.

         2. No Voting Trusts. Except for such agreements or arrangements in
effect as of the date hereof, each of the Stockholders agrees that such
Stockholder shall not, nor shall such Stockholder permit any entity under such
Stockholder's control to, deposit any of such Stockholder's Shares in a voting
trust or subject any of its Shares to any arrangement with respect to the voting
of the Shares inconsistent with this Agreement.

         3. Limitation On Dispositions And Proxies. During the term of this
Agreement, each of the Stockholders agrees not to sell, assign, pledge, transfer
or otherwise dispose of (each a "Transfer"), or grant any proxies with respect
to (except for a proxy which is not inconsistent with the terms of this
Agreement) any of such Stockholder's Shares; provided, however, a Stockholder
may transfer any or all of the Shares (or any interest therein) to one or more
members of the Stockholder's family, any trust for the benefit of the
Stockholder's family or any entity controlled by the Stockholder so long as the
transferee of such Shares agrees in writing to be bound by the applicable
provisions of this Agreement.

         4. Specific Performance. Each party hereto acknowledges that it shall
be impossible to measure in money the damage to the other party if a party
hereto fails to comply with the obligations imposed by this Agreement, and that,
in the event of any such failure, the other party shall not have an adequate
remedy at law or in damages. Accordingly, each party hereto agrees that
injunctive relief or other equitable remedy, in addition to remedies at law or
damages, is the appropriate remedy for any such failure and shall not oppose the
granting of such relief on the basis that the other party has an adequate remedy
at law. Each party hereto agrees that it shall not seek, and agrees to waive any
requirement for, the securing or posting of a bond in connection with any other
party's seeking or obtaining such equitable relief.

         5. Term Of Agreement; Termination. The term of this Agreement shall
commence on the date hereof, and such term and this Agreement shall terminate
upon the earliest to occur of (i) the Effective Time; (ii) the date on which the
Merger Agreement is terminated in accordance with its terms; and (iii) September
30, 2000, provided however that such date shall be automatically extended to
November 15, 2000 in the event that such date is automatically extended pursuant
to Section 7.1(b)(i) of the Merger Agreement. Upon such termination, no party
shall have any further obligations or liabilities hereunder; provided, however,
that such termination shall not relieve any party from liability for any breach
of this Agreement prior to such termination.

         6. Entire Agreement. This Agreement supersedes all prior agreements,
written or oral, among the parties hereto with respect to the subject matter
hereof and contains the entire agreement among the parties with respect to the
subject matter hereof. This Agreement may not be amended, supplemented or
modified, and no provisions hereof may be modified or waived, except by an
instrument


                                      -2-
<PAGE>   3
in writing signed by all parties hereto. No waiver of any provisions hereof by
any party shall be deemed a waiver of any other provisions hereof by any such
party, nor shall any such waiver be deemed a continuing waiver of any provision
hereof by such party.

         7. Notices. All notices, consents, requests, instructions, approvals
and other communications provided for herein shall be in writing and shall be
deemed to have been duly given if mailed, by first class or registered mail,
three (3) business days after deposit in the United States mail, or if telexed
or telecopied, sent by telegram, or delivered by hand or reputable overnight
courier, when confirmation is received, in each case as follows:

         If to the Stockholders, to the addresses listed on Schedule A hereto.

         With a copy to:

                  Hadco Corporation
                  12A Manor Parkway
                  Salem, NH  03079
                  Attention:  General Counsel

                  and

                  Testa, Hurwitz & Thibeault, LLP
                  125 High Street
                  Boston, MA 02110
                  Attention:  Stephen A. Hurwitz, Esq.

         If to Parent:

                  Sanmina Corporation
                  2700 North First Street
                  San Jose, CA  95134
                  Attention:  President

         With a copy to:

                  Wilson Sonsini Goodrich & Rosati Professional Corporation
                  650 Page Mill Road
                  Palo Alto, CA  94304
                  Attention:  Christopher D. Mitchell, Esq.

or to such other persons or addresses as may be designated in writing by the
party to receive such notice. Nothing in this Section 7 shall be deemed to
constitute consent to the manner and address for service of process in
connection with any legal proceeding (including litigation arising out of or in
connection with this Agreement), which service shall be effected as required by
applicable law.

                                      -3-
<PAGE>   4
      8. Miscellaneous. This Agreement shall be deemed a contract made under,
and for all purposes shall be construed in accordance with, the laws of the
State of Delaware, without reference to its conflicts of law principles.

         ( a) If any provision of this Agreement or the application of such
provision to any person or circumstances shall be held invalid or unenforceable
by a court of competent jurisdiction, such provision or application shall be
unenforceable only to the extent of such invalidity or unenforceability, and the
remainder of the provision held invalid or unenforceable and the application of
such provision to persons or circumstances, other than the party as to which it
is held invalid, and the remainder of this Agreement, shall not be affected.

         (b) This Agreement may be executed (including by facsimile
transmission) in one or more counterparts, each of which shall be deemed to be
an original but all of which together shall constitute one and the same
instrument.

         (c) All Section headings herein are for convenience of reference only
and are not part of this Agreement, and no construction or reference shall be
derived therefrom.

         (d) The obligations of the Stockholders set forth in this Agreement
shall not be effective or binding upon the Stockholders until after such time as
the Merger Agreement is executed and delivered by the Company, Parent and Sub.

         (e) Nothing in this Agreement shall, and nothing in this Agreement
shall be deemed to, limit or restrict a Stockholder from acting in accordance
with his or her duties as a director or officer of the Company or otherwise
limit the ability of the Stockholder to take any action in his or her capacity
as a director or officer of the Company.


                                      -4-
<PAGE>   5
         IN WITNESS WHEREOF, the parties hereto have executed and delivered this
Agreement as of the date first written above.

                                           PARENT:

                                           Sanmina Corporation

                                           By: /s/ Jure Sola
                                           -----------------------------------

                                           STOCKHOLDERS:

                                           /s/ Horace H. Irvine II
                                           -----------------------------------
                                           Horace H. Irvine II

                                           /s/ Andrew E. Lietz
                                           -----------------------------------
                                           Andrew E. Lietz

                                           /s/ Oliver O. Ward
                                           -----------------------------------
                                           Oliver O. Ward

                                           /s/ John F. Smith
                                           -----------------------------------
                                           John F. Smith

                                           /s/ John E. Pomeroy
                                           -----------------------------------
                                           John E. Pomeroy

                                           /s/ James C. Taylor
                                           -----------------------------------
                                           James C. Taylor

                                           /s/ Mauro J. Walker
                                           -----------------------------------
                                           Mauro J. Walker

                                           /s/ Gilbert M. Roddy, Jr.
                                           -----------------------------------
                                           Gilbert M. Roddy, Jr.

                                           /s/ F. Gordon Bitter
                                           -----------------------------------
                                           F. Gordon Bitter
<PAGE>   6
                                   SCHEDULE A
<TABLE>
<CAPTION>

                                    NUMBER OF SHARES                          NUMBER OF UNEXERCISED
                                       OWNED AS OF       SHARES STOCKHOLDER      OPTIONS AS
NAME AND ADDRESS OF STOCKHOLDER     APRIL 17, 2000(1)    HAS RIGHT TO VOTE    OF APRIL 17, 2000
- -------------------------------     -----------------    -----------------    -----------------
<S>                                 <C>                  <C>                  <C>
Horace H. Irvine, II                  670,407               19,355(2)                   0
27 Gordon Mountain Road
Windham, NH 03087

Andrew E. Lietz                        83,601                     0               289,000
47 Spring Road
Rye, NH 03870

Oliver O. Ward                          1,387                     0                12,000
Garnet Hill Road
Sunapee, NH 03782

John F. Smith                          26,887                     0                 3,000
11 Samuel Parlin Drive
Acton, MA 01720

John E. Pomeroy                         4,387                     0                15,000
416 Murray Hill Road
Vestal, NY 13850

James C. Taylor                         6,387                     0                15,000
14 Lawrence Road
Chestnut Hill, MA 02167

Mauro J. Walker                         1,329                     0                15,000
108 Dolphin Drive
Ocean Ridge, FL 33435

Gilbert M. Roddy, Jr                      745                42,605(3)             15,000
101 Barnes Hill Road
Concord, MA 01742

F. Gordon Bitter                        3,573                     0                28,500
17 Cotton Farm Lane
No. Hampton, NH 03862
</TABLE>

- --------

     (1)    Includes shares deferred under the Outside Directors' Compensation
            Plans of 1998 and 2000.

     (2)    Shares of Andrea Irvine, held in a voting trust for her benefit.
            (See the Company's Proxy Statement dated January 14, 2000).

     (3)    Mr. Roddy is co-trustee of certain irrevocable trusts for the
            benefit of certain of Mr. Irvine's family. (See the Company's Proxy
            Statement dated January 14, 2000).

<PAGE>   1
                                                                       Exhibit 2

                          AGREEMENT AND PLAN OF MERGER
<PAGE>   2
                                                                       Exhibit 2


                          AGREEMENT AND PLAN OF MERGER

                           Dated as of April 17, 2000

                                     Among

                              SANMINA CORPORATION

                        SANM ACQUISITION SUBSIDIARY, INC.

                                      And

                               HADCO CORPORATION
<PAGE>   3
                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                                       Page
                                                                                                                       ----
<S>                                                                                                                    <C>
ARTICLE I The Merger.................................................................................................   2

         SECTION 1.1       The Merger................................................................................   2
         SECTION 1.2       Closing...................................................................................   2
         SECTION 1.3       Effective Time............................................................................   2
         SECTION 1.4       Effects of the Merger.....................................................................   2
         SECTION 1.5       Articles of Organization and Bylaws.......................................................   2
         SECTION 1.6       Directors.................................................................................   3
         SECTION 1.7       Officers..................................................................................   3

ARTICLE II Effect of the Merger on the Capital Stock of the Constituent Corporations; Exchange of
         Certificates................................................................................................   3

         SECTION 2.1       Effect on Capital Stock...................................................................   3
         SECTION 2.2       Exchange of Certificates..................................................................   4
         SECTION 2.3       Dissenting Shares.........................................................................   6

ARTICLE III..........................................................................................................   7

         SECTION 3.1       Representations and Warranties of the Company.............................................   7
         SECTION 3.2       Representations and Warranties of Parent and Sub..........................................  20

ARTICLE IV Covenants Relating to Conduct of Business.................................................................  31

         SECTION 4.1       Conduct of Business.......................................................................  31
         SECTION 4.2       No Solicitation...........................................................................  35

ARTICLE V Additional Agreements......................................................................................  37

         SECTION 5.1       Preparation of the Form S-4 and the Proxy Statement; Stockholders Meeting.................  37
         SECTION 5.2       Letters of the Company's Accountants......................................................  38
         SECTION 5.3       Letters of Parent's Accountants...........................................................  38
         SECTION 5.4       Access to Information; Confidentiality....................................................  39
         SECTION 5.5       Commercially Reasonable Efforts; Notification.............................................  40
         SECTION 5.6       Stock Options and Restricted Stock........................................................  41
         SECTION 5.7       Indemnification and Insurance.............................................................  41
         SECTION 5.8       Fees and Expenses.........................................................................  43
         SECTION 5.9       Public Announcements......................................................................  44
         SECTION 5.10      Affiliates................................................................................  45
         SECTION 5.11      Nasdaq Listing............................................................................  45
         SECTION 5.12      Pooling of Interests......................................................................  45
         SECTION 5.13      Tax Treatment.............................................................................  45
         SECTION 5.14      Parent Benefit Plans......................................................................  45
</TABLE>

                                      -i-
<PAGE>   4
<TABLE>
<S>                                                                                                                    <C>
         SECTION 5.15      Senior Notes..............................................................................  46
         SECTION 5.16      Form S-8..................................................................................  46
         SECTION 5.17      Employee Stock Purchase Plan..............................................................  47
         SECTION 5.18      Retirement Plan...........................................................................  47

ARTICLE VI Conditions Precedent......................................................................................  47

         SECTION 6.1       Conditions to Each Party's Obligation to Effect the Merger................................  47
         SECTION 6.2       Conditions to Obligations of Parent and Sub...............................................  48
         SECTION 6.3       Conditions to Obligation of the Company...................................................  49
         SECTION 6.4       Frustration of Closing Conditions.........................................................  50

ARTICLE VII Termination, Amendment and Waiver........................................................................  50

         SECTION 7.1       Termination...............................................................................  50
         SECTION 7.2       Effect of Termination.....................................................................  52
         SECTION 7.3       Amendment.................................................................................  52
         SECTION 7.4       Extension; Waiver.........................................................................  52

ARTICLE VIII General Provisions......................................................................................  52

         SECTION 8.1       Nonsurvival of Representations and Warranties.............................................  53
         SECTION 8.2       Notices...................................................................................  53
         SECTION 8.3       Definitions...............................................................................  54
         SECTION 8.4       Interpretation............................................................................  55
         SECTION 8.5       Counterparts..............................................................................  55
         SECTION 8.6       Entire Agreement; No Third-Party Beneficiaries............................................  55
         SECTION 8.7       Governing Law.............................................................................  55
         SECTION 8.8       Assignment................................................................................  55
         SECTION 8.9       Enforcement...............................................................................  55
         SECTION 8.10      Severability..............................................................................  55
</TABLE>


                                      -ii-
<PAGE>   5
         AGREEMENT AND PLAN OF MERGER dated as of April 17, 2000, among SANMINA
CORPORATION, a Delaware corporation ("Parent"), SANM ACQUISITION SUBSIDIARY,
INC., a Massachusetts corporation and a wholly owned subsidiary of Parent
("Sub"), and HADCO CORPORATION, a Massachusetts corporation (the "Company").

         WHEREAS the respective Boards of Directors of Parent, Sub and the
Company, and Parent, acting as the sole stockholder of Sub, have approved the
merger of Sub with and into the Company (the "Merger"), upon the terms and
subject to the conditions set forth in this Agreement, whereby each issued and
outstanding share of common stock, par value $0.05 per share, of the Company,
together with the associated right (a "Right") to purchase, pursuant to the
Company's August 22, 1995 Rights Agreement, as amended to date (the "Rights
Agreement"), one share of the Company's Common Stock, par value $0.05 per share
(such common stock, together with the Rights, "Company Common Stock"), other
than Company Common Stock owned by Parent, Sub or the Company, will be converted
into the right to receive common stock, par value $0.01 per share, of Parent
("Parent Common Stock");

         WHEREAS, substantially concurrently herewith and as a condition and
inducement to Parent's willingness to enter into this Agreement, Parent and
certain affiliate stockholders of the Company have entered into a Stockholders
Agreement (the "Stockholders Agreement");

         WHEREAS, substantially concurrently herewith and as a condition and
inducement to Parent's willingness to enter into this Agreement, Parent and the
Company have entered into a Stock Option Agreement (the "Stock Option
Agreement") substantially in the form attached hereto as Exhibit B.

         WHEREAS Parent, Sub and the Company desire to make certain
representations, warranties, covenants and agreements in connection with the
Merger and also to prescribe various conditions to the Merger;

         WHEREAS, for Federal income tax purposes, it is intended that the
Merger shall qualify as a reorganization within the meaning of Section 368 of
the Internal Revenue Code of 1986, as amended (the "Code"); and

         WHEREAS, for financial accounting purposes, it is intended that the
Merger will be accounted for as a pooling of interests transaction; and

         NOW, THEREFORE, in consideration of the representations, warranties,
covenants and agreements contained in this Agreement, the parties hereto agree
as follows:

                                      -1-
<PAGE>   6
                                   ARTICLE I

                                   The Merger

         SECTION 1.1 The Merger. Upon the terms and subject to the conditions
set forth in this Agreement, and in accordance with the Massachusetts Business
Corporation Law (the "MBCL"), Sub shall be merged with and into the Company at
the Effective Time (as defined in Section 1.3). Following the Merger, the
separate corporate existence of Sub shall cease and the Company shall continue
as the surviving corporation (the "Surviving Corporation") and shall succeed to
and assume all the rights and obligations of Sub in accordance with the MBCL.

         SECTION 1.2 Closing. Unless this Agreement shall have been terminated
pursuant to Section 7.1 and subject to the satisfaction or waiver of each of the
conditions set forth in Article VI, the closing of the Merger (the "Closing")
will take place at 10:00 a.m. on a date to be specified by the parties, which
shall be no later than the second business day after satisfaction or waiver of
the conditions set forth in Article VI (the "Closing Date"), at the offices of
Testa, Hurwitz & Thibeault, LLP, High Street Tower, 125 High Street, Boston, MA
02110, unless another date or place is agreed to in writing by the parties
hereto.

         SECTION 1.3 Effective Time. Subject to the provisions of this
Agreement, as soon as practicable on or after the Closing Date, the parties
shall file articles of merger or other appropriate documents (in any such case,
the "Articles of Merger") executed in accordance with the relevant provisions of
the MBCL and shall make all other filings or recordings required under the MBCL.
The Merger shall become effective at such time as the Articles of Merger are
duly filed with the Massachusetts Secretary of State, or at such other time as
Parent and the Company shall agree should be specified in the Articles of Merger
(the time the Merger becomes effective being the "Effective Time").

         SECTION 1.4 Effects of the Merger. The Merger shall have the effects
set forth in Section 80 of the MBCL.

         SECTION 1.5 Articles of Organization and Bylaws.

                  (a) The Articles of Organization of Sub, as in effect
immediately prior to the Effective Time, shall be the Articles of Organization
of the Surviving Corporation until thereafter changed or amended as provided
therein or by applicable law, except that the name of the Surviving Corporation
in such Articles of Organization will be changed to be "Target Corp."

                  (b) The Bylaws of Sub, as in effect immediately prior to the
Effective Time, shall be the Bylaws of the Surviving Corporation until
thereafter changed or amended as provided therein or by applicable law.

                                      -2-
<PAGE>   7
         SECTION 1.6 Directors. The directors of Sub immediately prior to the
Effective Time shall be the directors of the Surviving Corporation, until the
earlier of their resignation or removal or until their respective successors are
duly elected and qualified, as the case may be.

         SECTION 1.7 Officers. The officers of the Company immediately prior to
the Effective Time shall be the officers of the Surviving Corporation, until the
earlier of their resignation or removal or until their respective successors are
duly elected and qualified, as the case may be.

                                   ARTICLE II

                Effect of the Merger on the Capital Stock of the
               Constituent Corporations; Exchange of Certificates

         SECTION 2.1 Effect on Capital Stock. As of the Effective Time, by
virtue of the Merger and without any action on the part of the holder of any
shares of Company Common Stock or any shares of capital stock of Sub: (a)
Capital Stock of Sub. Each issued and outstanding share of capital stock of Sub
shall be converted into and become one validly issued, fully paid and
nonassessable share of common stock, no par value, of the Surviving Corporation.

                  (b) Cancellation of Treasury Stock and Parent-Owned Stock.
Each share of Company Common Stock that is owned by the Company and each share
of Company Common Stock that is owned by Parent or Sub or any direct or indirect
wholly owned subsidiary of Parent or Sub shall automatically be canceled and
retired and shall cease to exist, and no Parent Common Stock or other
consideration shall be delivered in exchange therefor.

                  (c) Conversion of Company Common Stock. Subject to Section
2.2(b), each issued and outstanding share of Company Common Stock (other than
shares to be canceled in accordance with Section 2.1(b) and other than as
provided in Section 2.3) shall be converted into the right to receive 1.40 (the
"Exchange Ratio") duly authorized, validly issued, fully paid and nonassessable
shares of Parent Common Stock (the "Share Consideration"). If the average last
reported sale price of the Parent Common Stock on the Nasdaq National Market
during the 20 trading days ending on the third trading day prior to the date of
the Shareholder Meeting shall be less than $40.00 (the "Target Price"), the
Company shall have the right to terminate this Agreement pursuant to Section
7.1(f) subject to Parent's right to increase the Exchange Ratio to $56.00
divided by the average last reported sale price of the Parent Common Stock on
the Nasdaq National Market during the 20 trading days ending on the third
trading day prior to the date of the Shareholder Meeting (the "Adjusted Ratio").
As of the Effective Time, all such shares of Company Common Stock shall no
longer be outstanding and shall automatically be canceled and retired and shall
cease to exist, and each holder of a certificate which immediately prior to the
Effective Time represented any such shares of Company Common Stock shall cease
to have any rights with respect thereto, except the right to receive shares of
Parent Common Stock and any cash in lieu of fractional shares of Parent

                                      -3-
<PAGE>   8
Common Stock to be issued or paid in consideration therefor upon surrender of
such certificate in accordance with Section 2.2(e), without interest.
Notwithstanding the foregoing, if between the date of this Agreement and the
Effective Time the outstanding shares of Parent Common Stock shall have been
changed into a different number of shares or a different class, by reason of any
stock dividend, subdivision, reclassification, recapitalization, split,
combination or exchange of shares or if Parent pays an extraordinary dividend,
the Exchange Ratio, the Target Price and the Adjusted Ratio shall be
appropriately adjusted to reflect such stock dividend, subdivision,
reclassification, recapitalization, split, combination or exchange or
extraordinary dividend.

                  (d) Stock Options; Employee Stock Purchase Plan. At the
Effective Time, all options to purchase shares of Company Common Stock granted
under the Company's stock option plans (such stock option plans collectively
with the deferred stock plans of the Company, the "Stock Option Plans") and the
Stock Option Plans shall be assumed by Parent in accordance with Section 5.6. At
the Effective Time, in accordance with the terms of the Company's Employee Stock
Purchase Plan of November 17, 1997 (the "Employee Stock Purchase Plan"), all
rights to purchase shares of Company Common Stock under the Employee Stock
Purchase Plan shall be treated in the manner set forth in Section 5.17 hereof.

         SECTION 2.2 Exchange of Certificates.

                  (a) Exchange Agent. As of the Effective Time, Parent shall
deposit with Norwest Bank Minnesota, N.A., or such other bank or trust company
as may be designated by Parent (the "Exchange Agent"), for the benefit of the
holders of shares of Company Common Stock, for exchange in accordance with this
Article II, through the Exchange Agent, certificates representing the shares of
Parent Common Stock (such shares of Parent Common Stock, together with any
dividends or distributions with respect thereto with a record date after the
Effective Time and any cash payments in lieu of any fractional shares of Parent
Common Stock, being hereinafter referred to as the "Exchange Fund") issuable
pursuant to Section 2.1 in exchange for outstanding shares of Company Common
Stock.

                  (b) Exchange Procedures. As soon as reasonably practicable
after the Effective Time but in any event within 10 business days thereafter,
Parent shall cause the Exchange Agent to mail to each holder of record of a
certificate or certificates which immediately prior to the Effective Time
represented outstanding shares of Company Common Stock (the "Certificates")
whose shares were converted into the right to receive shares of Parent Common
Stock pursuant to Section 2.1(c), (i) a letter of transmittal (which shall
specify that delivery shall be effected, and risk of loss and title to the
Certificates shall pass, only upon delivery of the Certificates to the Exchange
Agent and shall be in such form and have such other provisions as Parent may
reasonably specify) and (ii) instructions for use in effecting the surrender of
the Certificates in exchange for certificates representing shares of Parent
Common Stock and cash in lieu of any fractional shares. Upon surrender of a
Certificate for cancellation to the Exchange Agent, together with such letter of
transmittal, duly executed, and such other documents as may reasonably be
required by the Exchange Agent, the holder of such Certificate shall be entitled
to receive in exchange therefor a certificate representing that number of

                                      -4-
<PAGE>   9
whole shares of Parent Common Stock which such holder has the right to receive
pursuant to the provisions of this Article II after taking into account all the
shares of Company Common Stock then held by such holder under all such
Certificates so surrendered, cash in lieu of fractional shares of Parent Common
Stock to which such holder is entitled pursuant to Section 2.2(e) and any
dividends or other distributions to which such holder is entitled pursuant to
Section 2.2(c), and the Certificate so surrendered shall forthwith be canceled.
In the event of a transfer of ownership of Company Common Stock which is not
registered in the transfer records of the Company, a certificate representing
the proper number of shares of Parent Common Stock may be issued to a person
other than the person in whose name the Certificate so surrendered is
registered, if, upon presentation to the Exchange Agent, such Certificate shall
be properly endorsed or otherwise be in proper form for transfer and the person
requesting such issuance shall pay any transfer or other taxes required by
reason of the issuance of shares of Parent Common Stock to a person other than
the registered holder of such Certificate or establish to the reasonable
satisfaction of Parent that such tax has been paid or is not applicable. Until
surrendered as contemplated by this Section 2.2(b), each Certificate shall be
deemed at any time after the Effective Time to represent only the right to
receive upon such surrender the certificate representing shares of Parent Common
Stock, cash in lieu of any fractional shares of Parent Common Stock as
contemplated by Section 2.2(e) and any dividends or other distributions to which
such holder is entitled pursuant to Section 2.2(c). No interest will be paid or
will accrue on any cash payable pursuant to Sections 2.2(c) or 2.2(e).

                  (c) Distributions with Respect to Unexchanged Shares. No
dividends or other distributions with respect to Parent Common Stock with a
record date after the Effective Time shall be paid to the holder of any
unsurrendered Certificate with respect to the shares of Parent Common Stock
represented thereby and no cash payment in lieu of fractional shares shall be
paid to any such holder pursuant to Section 2.2(e) until the holder of record of
such Certificate shall surrender such Certificate. Following surrender of any
such Certificate, there shall be paid to the record holder of the certificate
representing whole shares of Parent Common Stock issued in exchange therefor,
without interest, (i) at the time of such surrender, the amount of any cash
payable in lieu of a fractional share of Parent Common Stock to which such
holder is entitled pursuant to Section 2.2(e) and the amount of dividends or
other distributions with a record date after the Effective Time theretofore paid
with respect to such whole shares of Parent Common Stock, and (ii) at the
appropriate payment date, the amount of dividends or other distributions with a
record date after the Effective Time but prior to such surrender and a payment
date subsequent to such surrender payable with respect to such whole shares of
Parent Common Stock.

                  (d) No Further Ownership Rights in Company Common Stock. All
shares of Parent Common Stock issued upon the surrender for exchange of shares
of Company Common Stock in accordance with the terms hereof (including any cash
paid pursuant to Section 2.2(c) or 2.2(e)) shall be deemed to have been issued
in full satisfaction of all rights pertaining to such shares of Company Common
Stock, subject, however, to the Surviving Corporation's obligation to pay any
dividends or make any other distributions with a record date prior to the
Effective Time which may have been declared or made by the Company on such
shares of Company Common Stock in accordance with the terms of this Agreement or
prior to the date of this Agreement and which remain unpaid at the

                                      -5-
<PAGE>   10
Effective Time, and there shall be no further registration of transfers on the
stock transfer books of the Surviving Corporation of the shares of Company
Common Stock which were outstanding immediately prior to the Effective Time. If,
after the Effective Time, Certificates are presented to the Surviving
Corporation or the Exchange Agent for any reason, they shall be canceled and
exchanged as provided in this Article II.

                  (e) No Fractional Shares.

                           (i) No certificates or scrip representing fractional
shares of Parent Common Stock shall be issued upon the surrender for exchange of
Certificates, and such fractional share interests will not entitle the owner
thereof to vote or to any rights of a stockholder of Parent.

                           (ii) Notwithstanding any other provision of this
Agreement, each holder of shares of Company Common Stock exchanged pursuant to
the Merger who would otherwise have been entitled to receive a fraction of a
share of Parent Common Stock (after taking into account all Certificates
delivered by such holder) shall receive, in lieu thereof, cash (without
interest) in an amount, less the amount of any withholding taxes which may be
required thereon, equal to such fractional part of a share of Parent Common
Stock multiplied by the per share closing price of Parent Common Stock at the
Effective Time, as such price is reported on the Nasdaq National Market (as
reported by The Wall Street Journal, or, if not reported thereby, any other
authoritative source). Parent will deposit into the Exchange Fund cash
sufficient to fund this amount on the Closing Date.

                  (f) Termination of Exchange Fund. Any portion of the Exchange
Fund which remains undistributed to the holders of the Certificates for six
months after the Effective Time shall be delivered to Parent, upon demand, and
any holders of the Certificates who have not theretofore complied with this
Article II shall thereafter look only to Parent for, and Parent shall remain
liable for, payment of their claim for Parent Common Stock, any cash in lieu of
fractional shares of Parent Common Stock and any dividends or distributions with
respect to Parent Common Stock.

                  (g) No Liability. None of Parent, Sub, the Company or the
Exchange Agent shall be liable to any person in respect of any shares of Parent
Common Stock (or dividends or distributions with respect thereto) or cash from
the Exchange Fund in each case delivered to a public official pursuant to any
applicable abandoned property, escheat or similar law.

                  (h) Investment of Exchange Fund. The Exchange Agent shall
invest any cash included in the Exchange Fund, as directed by Parent, on a daily
basis. Any interest and other income resulting from such investments shall be
paid to Parent.

                  (i) Lost Certificates. If any Certificate shall have been
lost, stolen or destroyed, upon the making of an affidavit of that fact by the
person claiming such Certificate to be lost, stolen or destroyed and, if
required by the Surviving Corporation, the posting by such person of a bond in
such reasonable amount as the Surviving Corporation may direct as indemnity
against any claim that may be made against it with respect to such Certificate,
the Exchange Agent will issue in exchange for such lost, stolen or destroyed
Certificate the shares of Parent Common Stock and any cash in lieu

                                      -6-
<PAGE>   11
of fractional shares, and unpaid dividends and distributions on shares of Parent
Common Stock deliverable in respect thereof, pursuant to this Agreement.

         SECTION 2.3       Dissenting Shares.

                  (a) Notwithstanding any provision of this Agreement to the
contrary, the shares of any holder of Company Common Stock who has demanded and
perfected appraisal rights for such shares in accordance with the MBCL and who,
as of the Effective Time, has not effectively withdrawn or lost such appraisal
rights ("Dissenting Shares"), shall not be converted into or represent a right
to receive Parent Common Stock pursuant to Section 2.1(c), but the holder
thereof shall only be entitled to such rights as are granted by the MBCL.

                  (b) Notwithstanding the provisions of subsection (a), if any
holder of shares of Company Common Stock who demands appraisal of such shares
under the MBCL shall effectively withdraw the right to appraisal, then, as of
the later of the Effective Time and the occurrence of such event, such holder's
shares shall automatically be converted into and represent only the right to
receive Parent Common Stock, without interest thereon.

                  (c) The Company shall give Parent (i) prompt notice of any
written demands for appraisal of any shares of Company Common Stock, withdrawals
of such demands, and any other instruments served pursuant to the MBCL and
received by the Company which relate to any such demand for appraisal and (ii)
the opportunity to participate in all negotiations and proceedings which take
place prior to the Effective Time with respect to demands for appraisal under
the MBCL. The Company shall not, except with the prior written consent of
Parent, voluntarily make any payment with respect to any demands for appraisal
of Company Common Stock or offer to settle or settle any such demands if the
settlement is in excess of $100,000 in any case or $1,000,000 in the aggregate.

                                  ARTICLE III

                         Representations And Warranties

         SECTION 3.1 Representations and Warranties of the Company. Except as
set forth on the disclosure schedule delivered by the Company to Parent prior to
the execution of this Agreement (the "Company Disclosure Schedule"), the Company
represents and warrants to Parent and Sub as follows (it being understood that
disclosure in one instance is sufficient for all purposes if the context thereof
is reasonably evident and it being understood that disclosure of an item is not
to be construed as an admission of any fact):

                  (a) Organization, Standing and Corporate Power. The Company
and each of its subsidiaries (as defined in Section 8.3) is a corporation duly
organized, validly existing and in good standing under the laws of the
jurisdiction of its incorporation and has all requisite corporate power

                                      -7-
<PAGE>   12
and authority to carry on its business as now being conducted. The Company and
each of its subsidiaries is duly qualified or licensed to do business and is in
good standing in each jurisdiction in which the nature of its business or the
ownership, leasing or operation of its properties makes such qualification or
licensing necessary, other than in any such jurisdiction where the failure to be
so qualified or licensed individually or in the aggregate would not have a
material adverse effect (as defined in Section 8.3) on the Company. The Company
has delivered or made available to Parent complete and correct copies of the
Articles of Organization and Bylaws or such other charter documents, in each
case as amended to the date hereof, of the Company and of each of its
subsidiaries.

                  (b) Subsidiaries. Except as set forth in Section 3.1(b) of the
Company Disclosure Schedule or in the Filed Company SEC Documents (as
hereinafter defined), the Company has no subsidiaries and does not own, directly
or indirectly, beneficially or of record, any shares of capital stock or other
security of any other entity or any other investment in any other entity.

                  (c) Capital Structure. The authorized capital stock of the
Company consists of 50,000,000 shares of Company Common Stock, par value $0.05
per share, and no shares of preferred stock. At the close of business on March
25, 2000, (a) 13,826,268 shares of Company Common Stock were issued and
outstanding, (b) no shares of Company Common Stock were held by the Company in
its treasury, (c) 2,530,474 shares of Company Common Stock were reserved for
issuance pursuant to outstanding Stock Option Plans and (d) 252,260 shares of
Company Common Stock were reserved for issuance pursuant to the Employee Stock
Purchase Plan. Except as set forth above or in the Filed Company SEC Documents,
at the close of business on March 25, 2000, no shares of capital stock or other
voting securities of the Company were issued, reserved for issuance or
outstanding. All outstanding shares of capital stock of the Company are, and all
shares which may be issued pursuant to the Stock Option Plans will be, when
issued in accordance with the terms thereof, duly authorized, validly issued,
fully paid and nonassessable and not subject to preemptive rights. There are no
bonds, debentures, notes or other indebtedness of the Company having the right
to vote (or convertible into securities having the right to vote) on any matters
on which shareholders of the Company may vote. Except as set forth above or as
contemplated herein, there are no securities, options, warrants, calls, rights,
commitments, agreements, arrangements or undertakings of any kind to which the
Company is a party, or by which it is bound, obligating the Company to issue,
deliver or sell, or cause to be issued, delivered or sold, additional shares of
capital stock or other voting securities of the Company or obligating the
Company to issue, grant, extend or enter into any such security, option,
warrant, call, right, commitment, agreement, arrangement or undertaking. There
are not any outstanding contractual obligations of the Company to repurchase,
redeem or otherwise acquire any shares of capital stock or other securities of
the Company. Except for the Stockholders Agreement contemplated hereby, there
are no shareholder agreements, voting trusts or other agreements or
understandings to which the Company is a party or by which it is bound relating
to the voting of any shares of capital stock of the Company.

         All of the outstanding capital stock of the Company's subsidiaries is
owned by the Company (other than directors' qualifying shares), directly or
indirectly, free and clear of any pledge, claim,

                                      -8-
<PAGE>   13
lien, charge, encumbrance or security interest of any kind or nature whatsoever
(each a "Lien" and collectively, the "Liens") or any other limitation or
restriction (including any restriction on the right to vote or sell the same,
except as may be provided as a matter of law). There are no securities of the
Company or its subsidiaries convertible into or exchangeable for, no options or
other rights to acquire from the Company or its subsidiaries, and no other
contract, understanding, arrangement or obligation (whether or not contingent)
providing for the issuance or sale, directly or indirectly, of any capital stock
or other ownership interests in, or any other securities of, any subsidiary of
the Company. There are no outstanding contractual obligations of the Company or
its subsidiaries to repurchase, redeem or otherwise acquire any outstanding
shares of capital stock or other ownership interests in any subsidiary of the
Company.

                  (d) Authority; Noncontravention. The Company has the requisite
corporate power and authority to enter into this Agreement and the Option
Agreement and, subject to approval of this Agreement by the holders of two
thirds (2/3) of the outstanding shares of Company Common Stock, to consummate
the transactions contemplated by this Agreement. The execution and delivery of
this Agreement and the Option Agreement by the Company and the consummation by
the Company of the transactions contemplated by this Agreement and the Option
Agreement have been duly authorized by all necessary corporate action on the
part of the Company, subject, in the case of this Agreement, to approval of this
Agreement by the holders of two thirds (2/3) of the outstanding shares of
Company Common Stock. This Agreement and the Option Agreement has been duly
executed and delivered by the Company and constitutes a valid and binding
obligation of the Company, enforceable against the Company in accordance with
its terms, except as enforcement thereof may be limited by (i) bankruptcy,
insolvency, reorganization, moratorium and similar laws, both state and federal,
affecting the enforcement of creditors' rights or remedies in general as from
time to time in effect or (ii) the exercise by courts of equity powers. The
execution and delivery of this Agreement and the Option Agreement do not, and
the consummation of the transactions contemplated by this Agreement and the
Option Agreement and compliance with the provisions of this Agreement and the
Option Agreement will not, conflict with, or result in any violation of, or
default (with or without notice or lapse of time, or both) under, or give rise
to a right of termination, cancellation or acceleration of any obligation or to
loss of a material benefit under, or result in the creation of any Lien in or
upon any of the properties or assets of the Company under any provision of (a)
subject to obtaining the approval of the stockholders of the Company, the
Articles of Organization or Bylaws of the Company, (b) any loan or credit
agreement, note, bond, mortgage, indenture, lease or other agreement,
instrument, permit, concession, franchise or license applicable to the Company
or its properties or assets or (c), subject to the governmental filings and
other matters referred to in the following sentence, any (i) statute, law,
ordinance, rule or regulation or (ii) judgment, order or decree applicable to
the Company or its properties or assets, other than, in the case of clause (b)
and clause (c)(i), any such conflicts, violations, defaults, rights or Liens
that individually or in the aggregate would not (x) have a material adverse
effect on the Company, (y) impair in any material respect the ability of the
Company to perform its obligations under this Agreement and the Option
Agreement, or (z) prevent or materially delay the consummation of any of the
transactions contemplated by this Agreement and the Option Agreement. Except
with respect to Environmental Permits held by the Company (the Company's
principal Environmental Permits

                                      -9-
<PAGE>   14
are identified in the Company Disclosure Schedule), no consent, approval, order
or authorization of, or registration, declaration or filing with, any third
party, including any Federal, state or local government or any court,
administrative agency or commission or other governmental authority or agency,
domestic or foreign (a "Governmental Entity"), is required by or with respect to
the Company in connection with the execution and delivery of this Agreement and
the Option Agreement by the Company or the consummation by the Company of the
transactions contemplated by this Agreement and the Option Agreement, except for
(1) the filing of a Premerger Notification and report form by the Company under
the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR
Act"), (2) the filing with the Securities and Exchange Commission (the "SEC") of
a Registration Statement on Form S-4 and a proxy statement relating to the
approval by the Company's shareholders of this Agreement (as amended or
supplemented from time to time, the "Proxy Statement") and such reports under
the Securities Exchange Act of 1934, as amended (the "Exchange Act"), as may be
required in connection with this Agreement and the Option Agreement and the
transactions contemplated by this Agreement and the Option Agreement, (3) the
filing of the Articles of Merger with the Massachusetts Secretary of State and
appropriate documents with the relevant authorities of other states in which the
Company is qualified to do business and (4) such other consents, approvals,
orders, authorizations, registrations declarations and filings as may be
required under the "blue sky" laws of various states, the failure of which to be
obtained or made would not, individually or in the aggregate, have a material
adverse effect on the Company or prevent or materially delay the consummation of
any of the transactions contemplated by this Agreement.

                  (e) SEC Documents. The Company has filed all required reports,
schedules, forms, statements and other documents with the SEC since October 27,
1996 (the "Company SEC Documents"). As of their respective dates, the Company
SEC Documents complied in all material respects with the requirements of the
Securities Act of 1933 (the "Securities Act"), or the Exchange Act, as the case
may be, and the rules and regulations of the SEC promulgated thereunder
applicable to such Company SEC Documents, and at the time they were filed, none
of the Company SEC Documents contained any untrue statement of a material fact
or omitted to state a material fact required to be stated therein or necessary
in order to make the statements therein, in light of the circumstances under
which they were made, not misleading. Except to the extent that information
contained in any Company SEC Document has been revised or superseded by a
later-filed Company SEC Document, none of the Company SEC Documents contains any
untrue statement of a material fact or omits to state any material fact required
to be stated therein or necessary in order to make the statements therein, in
light of the circumstances under which they were made, not misleading. The
financial statements of the Company included in the Company SEC Documents as of
their respective dates comply as to form in all material respects with
applicable accounting requirements and the published rules and regulations of
the SEC with respect thereto, have been prepared in accordance with generally
accepted accounting principles (except, in the case of unaudited financial
statements, as permitted by the SEC on Form 10-Q) applied on a consistent basis
during the periods involved (except as may be indicated in the notes thereto)
and fairly present the consolidated financial position of the Company as of the
dates thereof and the results of its operations and cash flows for the periods
then ended (subject, in the case of unaudited financial statements, to normal
year-end

                                      -10-
<PAGE>   15
audit adjustments). Except as set forth in the Company SEC Documents filed and
publicly available prior to the date of this Agreement (the "Filed Company SEC
Documents"), since the completion of the audit of the Company's financial
statements at and for the fiscal year ended October 30, 1999, the Company has
not incurred any liabilities or obligations of any nature (whether accrued,
absolute, contingent or otherwise) other than liabilities incurred in the
ordinary course of business, liabilities which are not required to be disclosed
on a balance sheet and/or in the footnotes thereto in accordance with GAAP and
liabilities which, individually or in the aggregate would not, in the exercise
of reasonable business judgment, be expected to have a material adverse effect
on the Company.

                  (f) Information Supplied. None of the information supplied or
to be supplied by the Company specifically for inclusion or incorporation by
reference in (i) the registration statement on Form S-4 to be filed with the SEC
by Parent in connection with the issuance of Parent Common Stock in the Merger
(the "Form S-4") will, at the time the Form S-4 is filed with the SEC, at any
time it is amended or supplemented and at the time it becomes effective under
the Securities Act, contain any untrue statement of a material fact or omit to
state any material fact required to be stated therein or necessary to make the
statements therein, in light of the circumstances under which they are made, not
misleading, and (ii) the Proxy Statement will, at the date it is first mailed to
the Company's shareholders and at the time of the meeting of the Company's
shareholders held to vote on approval and adoption of this Agreement, contain
any untrue statement of a material fact or omit to state any material fact
required to be stated therein or necessary in order to make the statements
therein, in light of the circumstances under which they are made, not
misleading. The Proxy Statement shall comply as to form in all material respects
with the requirements of the Exchange Act and the rules and regulations
thereunder. No representation is made by the Company in this Agreement with
respect to statements made or incorporated by reference therein based on
information supplied by Parent or Sub specifically for inclusion or
incorporation by reference in the Proxy Statement.

                  (g) Absence of Certain Changes or Events. Except as disclosed
in the Filed Company SEC Documents, since the date of the most recent audited
financial statements included in the Filed Company SEC Documents, the Company
has conducted its business only in the ordinary course consistent with past
practice, and there has not been:

                           (i) any material adverse change (as defined in
Section 8.3) in the Company or any of its subsidiaries;

                           (ii) any declaration, setting aside or payment of any
dividend or other distribution (whether in cash, stock or property) with respect
to any of the Company's capital stock;


                           (iii) any split, combination or reclassification of
any of the Company's capital stock or any issuance or the authorization of any
issuance of any other securities in respect of, in lieu of or in substitution
for shares of the Company's capital stock;

                                      -11-
<PAGE>   16
                           (iv) (x) any granting by the Company or any of its
subsidiaries to any Named Executive Officer of the Company (as identified in the
Company's proxy statement for its 1999 annual meeting of stockholders) of any
increase in compensation, except in the ordinary course of business consistent
with prior practice or as was required under employment agreements in effect as
of the date of the most recent audited financial statements included in the
Filed Company SEC Documents, (y) any granting by the Company or any of its
subsidiaries to any Named Executive Officer of any increase in severance or
termination pay, except as was required under any employment, severance or
termination agreements in effect as of the date of the most recent audited
financial statements included in the Filed Company SEC Documents or (z) any
entry by the Company or any of its subsidiaries into any employment, severance
or termination agreement with any Named Executive Officer;


                           (v) any change in accounting methods, principles or
practices by the Company materially affecting its assets, liabilities or
business, except insofar as may have been required by a change in generally
accepted accounting principles;

                           (vi) any tax election that individually or in the
aggregate would have a material adverse effect on the Company or any of its tax
attributes or any settlement or compromise of any material income tax liability;
or

                           (vii) any agreement, whether in writing or otherwise,
to take any action described in this Section 3.1(g).

                  (h) Litigation. There is no suit, action or proceeding pending
or, to the knowledge of the Company, threatened in writing since October 30,
1999 against or directly affecting the Company or any of its subsidiaries that
individually or in the aggregate would have a material adverse effect on the
Company, nor is there any judgment, decree, injunction, rule or order of any
Governmental Entity or arbitrator outstanding against, or, to the knowledge of
the Company, investigation by any Governmental Entity pending that involves, the
Company or any of its subsidiaries, other than routine administrative agency
actions before the United States Patent and Trademark Office or corresponding
patent authorities of other countries, or that individually or in the aggregate
would have a material adverse effect on the Company.

                  (i) Contracts. Except as disclosed in the Filed Company SEC
Documents, there is no contract or agreement that is of a nature required to be
filed as an exhibit to a report on Form 10-Q or 10-K required to be filed by the
Company or any of its subsidiaries under the Exchange Act and the rules and
regulations promulgated thereunder (such type of contract or agreement is
hereinafter referred to as a "Contract") that has not been so filed, except
those whose failure to be so filed would not be materially inconsistent with the
SEC's filing requirements for material contracts. Neither the Company nor any of
its subsidiaries is in violation of or in default under (nor, to the knowledge
of the Company, does there exist any condition which upon the passage of time or
the giving of notice or both would cause such a violation of or default under)
any Contract, except for violations or defaults that individually or in the
aggregate would not have a material adverse effect on the Company.

                                      -12-
<PAGE>   17
                  (j) Compliance with Laws.

         Except as disclosed in the Filed Company SEC Documents:

                           (i) The Company and each of its subsidiaries is in
compliance with all applicable statutes, laws, ordinances, regulations, rules,
judgments, decrees and orders of any Governmental Entity (collectively, "Legal
Provisions") applicable to its business or operations, except for instances of
possible noncompliance that, individually or in the aggregate, would not have a
material adverse effect on the Company or prevent or materially delay the
consummation of the Merger. The Company and each of its subsidiaries has in
effect all Federal, state, local and foreign governmental approvals,
authorizations, certificates, filings, franchises, licenses, notices, permits
and rights, including all authorizations under Environmental Laws (as
hereinafter defined) ("Permits"), necessary for it to own, lease or operate its
properties and assets and to carry on its business as now conducted, and there
has occurred no default under, or violation of, any such Permit, except for the
lack of Permits and for defaults under, or violations of, Permits which lack,
default or violation, individually or in the aggregate, would not have a
material adverse effect on the Company. Since October 30, 1999, the Company has
not received any written notice or other communication from any Governmental
Entity alleging any violation of any Legal Provision by the Company, other than
any such notice or communication relating to any actual or alleged violation the
consequences of which would not have a material adverse effect on the Company or
relating to any actual or alleged violation that has since the receipt of such
notice been cured by the Company within the time frame, if any, specified for
cure in such notice.

                           (ii) The term "Hazardous Material" means any material
or substance that is prohibited or regulated by any Environmental Law or that
has been designated by any Governmental Authority to be radioactive, toxic,
hazardous or otherwise a danger to health, reproduction or the environment. The
term "Business Facility" means any property including the land, the improvements
thereon, the groundwater thereunder and the surface water thereon, that is or at
any time has been owned, operated, occupied, controlled or leased by the Company
or Parent, as the case may be, or any of their respective subsidiaries in
connection with the operation of its business. The term "Disposal Site" means a
landfill, disposal agent, waste hauler or recycler of Hazardous Materials. The
term "Environmental Laws" means all applicable laws, rules, regulations, orders,
treaties, statutes, and codes promulgated by any Governmental Authority which
prohibit, regulate or control any Hazardous Material or any Hazardous Material
Activity, including, without limitation, the Comprehensive Environmental
Response, Compensation, and Liability Act of 1980, the Resource Recovery and
Conservation Act of 1976, the Federal Water Pollution Control Act, the Clean air
Act, the Hazardous Materials Transportation Act, the Clean Water Act, comparable
laws, rules, regulations, orders, treaties, statutes, and codes of other
Governmental Authorities, the regulations promulgated pursuant to any of the
foregoing, and all amendments and modifications of any of the foregoing, all as
amended to date. The term "Hazardous Materials Activity" means the
transportation, transfer, recycling, storage, use, treatment, manufacture,
removal, remediation or release of any Hazardous Material. The term
"Environmental Permit" means any approval, permit, license, clearance or consent
required to be obtained from any private person or any Governmental

                                      -13-
<PAGE>   18
Authority with respect to a Hazardous Materials Activity which is or was
conducted by the Company or Parent, as the case may be, or any of their
respective subsidiaries.

                           (iii) Except in compliance with Environmental Laws in
a manner that could not reasonably be expected to subject the Company or any of
its subsidiaries to liability which could reasonably be expected to have a
material adverse effect on the Company, no Hazardous Materials are present on
any Business Facility and, to the knowledge of the Company, no Hazardous
Materials are present on any Business Facility currently owned, operated,
occupied, controlled or leased by the Company or any of its subsidiaries or were
present on any other Business Facility at the time it ceased to be owned,
operated, occupied, controlled or leased by the Company or any of its
subsidiaries, except for any such presence that could not reasonably be expected
to have a material adverse effect on the Company.

                           (iv) The Company and each of its subsidiaries have
conducted all Hazardous Material Activities in compliance in all material
respects with all applicable Environmental Laws, except for such failures as
would not have a material adverse effect on the Company. To the knowledge of the
Company, the Hazardous Materials Activities of the Company and each of its
subsidiaries have not resulted in the exposure of any person to a Hazardous
material in a manner which has resulted or will result in liability having a
material adverse effect on the Company.

                           (v) The Company has all of the Environmental Permits
necessary for the continued conduct of any Hazardous Material Activity of the
Company and each of its subsidiaries as such activities are currently being
conducted, except for those Environmental Permits the absence of which could not
reasonably be expected to result in a material adverse effect on the Company.
All such Environmental Permits are valid and in full force and effect, except
where such invalidity or failure to be in full force and effect would not have a
material adverse effect on the Company.

                           (vi) No action, proceeding, revocation proceeding,
amendment procedure, writ, injunction or claim is pending, or to the knowledge
of the Company, overtly threatened, concerning or relating to any Environmental
Permit or any Hazardous Materials Activity of the Company or any of its
subsidiaries, or to any Business Facility currently owned, operated, occupied,
controlled or leased by the Company or any of its subsidiaries, which would have
a material adverse effect on the Company.

                           (vii) To the knowledge of the Company, no action,
proceeding, liability or claim exists or is overtly threatened against the
Company or any of its subsidiaries with respect to any transfer or release of
Hazardous Materials to a Disposal Site which could reasonably be expected to
subject the Company or any of its subsidiaries to liability having a material
adverse effect on the Company.

                  (k) Labor Matters. There are no collective bargaining
agreements or other labor union agreements to which the Company or any of its
subsidiaries is a party, or by which it is bound. The Company and each of its
subsidiaries is in compliance in all material respects with all federal,

                                      -14-
<PAGE>   19
state and local laws respecting employment and employment practices, terms and
conditions of employment and wages and hours, and is not engaged in any unfair
labor practice, except where the failure to be in compliance would not have a
material adverse effect on the Company. There is no unfair labor practice
complaint against the Company or any of its subsidiaries pending or, to the
knowledge of the Company, overtly threatened before the National Labor Relations
Board or the United States Department of Labor. There is no labor strike,
dispute, slowdown or stoppage in progress or, to the knowledge of the Company,
overtly threatened against or involving the Company or any of its subsidiaries.
To the Company's knowledge, there is no overtly threatened organizing or similar
activity relating to the formation of a collective bargaining unit to represent
the Company's employees. No written agreement restricts the Company or any of
its subsidiaries from relocating, closing or terminating any of its operations
or facilities. Neither the Company nor any of its subsidiaries has, in the past
three years, experienced any labor strike, dispute, slowdown, stoppage or other
material labor difficulty.

                  (l) Absence of Changes in Benefit Plans. Except as disclosed
in the Filed Company SEC Documents, since the date of the most recent audited
financial statements included in the Filed Company SEC Documents, there has not
been any adoption or amendment in any material respect by the Company or any of
its subsidiaries of any collective bargaining agreement or any bonus, pension,
profit sharing, deferred compensation, incentive compensation, stock ownership,
stock purchase, stock option, phantom stock, retirement, vacation, severance,
disability, death benefit, hospitalization, medical or other plan, arrangement
or understanding (whether or not legally binding) providing benefits to any
current or former employee, officer or director of the Company (collectively,
"Benefit Plans"). Except as contemplated herein or as disclosed in the Company
Disclosure Schedule or in the Filed Company SEC Documents, there exist no
employment, consulting, severance, termination or indemnification agreements,
arrangements or understandings between the Company, any current or former
employee, officer or director of the Company, which is required to be disclosed
in the Filed Company SEC Documents and which is either currently effective or
will become effective at the Closing Date.

                  (m) ERISA Compliance.

                           (i) Schedule 3.1(m)(i) to the Company Disclosure
Schedule contains a list and brief description of all material "employee pension
benefit plans" (as defined in Section 3(2) of the Employee Retirement Income
Security Act of 1974, as amended ("ERISA")) (sometimes referred to herein as
"Pension Plans"), "employee welfare benefit plans" (as defined in Section 3(l)
of ERISA), "employee benefit plans" (as defined in Section 3(3) of ERISA), which
are maintained in connection with any trust described in Section 501(c)(9) of
the Code, and all other material benefit plans (collectively, "Benefit Plans")
maintained, or contributed to, by the Company or any person or entity that,
together with the Company, is treated as a single employer under Section 414(b),
(c), (m) or (o) of the Code (the Company and each such other person or entity, a
"Commonly Controlled Entity") for the benefit of any current or former
employees, officers or directors of the Company. The Company has made available
to Parent true, complete and correct copies of (i) each material Benefit Plan
(or, in the case of any unwritten Benefit Plans, descriptions

                                      -15-
<PAGE>   20
thereof), (ii) the most recent summary plan description for each material
Benefit Plan for which such summary plan description is required and (iii) each
trust agreement and group annuity contract relating to any material Benefit
Plan. Each Benefit Plan has been administered in all material respects in
accordance with its terms. The Company and all the Benefit Plans are all in
compliance in all material respects with applicable provisions of ERISA and the
Code.

                           (ii) All Pension Plans may rely on an opinion letter
issued by the Internal Revenue Service for a prototype plan or have been the
subject of determination letters from the Internal Revenue Service to the effect
that such Pension Plans are qualified and exempt from Federal income taxes under
Sections 401(a) and 501(a), respectively, of the Code, and, to the Company's
knowledge, no such determination letter has been revoked nor has any event
occurred since the date of its most recent determination letter or application
therefor that would adversely affect its qualification or materially increase
its costs or the Company has a period of time remaining under Applicable
Treasury Regulations or Pronouncements in which to apply for and obtain such a
letter.

                           (iii) Within the last six years, neither the Company
nor any Commonly Controlled Entity has maintained, contributed or been obligated
to contribute to any Benefit Plan that is subject to Title IV of ERISA.

                           (iv) With respect to any Benefit Plan that is an
employee welfare benefit plan, there are no understandings, agreements or
undertakings, written or oral, that would prevent any such plan (including any
such plan covering retirees or other former employees) from being amended or
terminated without material liability to the Company on or at any time after the
Effective Time.

                           (v) Neither the Company nor any of its subsidiaries
contributes to or has any material liability to the Pension Benefit Guaranty
Corporation or any other person, plan or entity under or with respect to (A) a
pension plan subject to Section 412 of the Code, (B) a multiemployer pension
plan, as defined in Section 3(37) of ERISA or (C) an employee welfare benefit
plan. Neither the Company nor any of its subsidiaries maintains an employee
welfare benefit plan that is not funded through insurance.

                           (vi) No employee welfare benefit plan of the Company
or any of its subsidiaries provides for continuing benefits or coverage after
termination or retirement from employment, except as required by Section 4980B
of the Code and Sections 601- 607 of ERISA ("COBRA") or similar applicable state
law ("mini-COBRA"). With respect to any Benefit Plan which is subject to COBRA
or mini-COBRA, the Company warrants that in all "qualified events" occurring
prior to or on the Closing Date, the Company has or will offer to its eligible
employees and their "qualified beneficiaries" the opportunity to elect
continuation health coverage to the extent required by COBRA or mini-COBRA and
will provide that coverage, if elected at such expense which will have no
material adverse effect on Parent.

                           (vii) Except as disclosed in the Filed Company SEC
Documents, there is no Benefit Plan covering any employee or former employee of
the Company or any of its subsidiaries

                                      -16-
<PAGE>   21
that, individually or collectively, could give rise to the payment of an amount
that would not be deductible pursuant to the terms of Sections 280G or 162 of
the Code.

                           (viii) Neither the Company nor any of its
subsidiaries nor any of their "affiliates" (as defined in ERISA) has ever
participated in or withdrawn from a multi-employer plan as defined in Section
4001(a)(3) of Title IV of ERISA, and neither the Company nor any of its
subsidiaries has incurred or owes any material liability as a result of any
partial or complete withdrawal by any employer from such a multi-employer plan
as described under Sections 4201, 4203, or 4205 of ERISA.

                           (ix) To the Company's knowledge, no employee of the
Company or any of its subsidiaries is obligated under any agreement or judgment
that would conflict with such employee's obligation to use his best efforts to
promote the interests of the Company or would conflict with the Company's
business as conducted or proposed to be conducted. To the Company's knowledge,
no employee of the Company or any of its subsidiaries is in violation of the
terms of any employment agreement or any other agreement relating to such
employee's relationship with any previous employer and, to the Company's
knowledge, no litigation is pending or overtly threatened with regard thereto.

                           (x) Schedule 3.1(m)(x) to the Company Disclosure
Schedule lists all outstanding Stock Options as of January 29, 2000, showing for
each such option: (i) the number of shares issuable, (ii) the number of vested
shares, (iii) the date of expiration and (iv) the exercise price.

                           (xi) Except as disclosed in the Filed Company SEC
Documents or under Section 3.1(o) of the Company Disclosure Schedule, or as the
result of employee terminations causing a partial termination in any Pension
Plan, no employee of the Company will be entitled to any additional compensation
or benefits or any acceleration of the time of payment or vesting of any
compensation or benefits under any Benefit Plan as a result of the transactions
contemplated by this Agreement.

                  (n) Taxes. The Company has filed all tax returns and reports
required to be filed by it and has paid all taxes required to be paid by it (as
shown on such returns and reports), and the most recent financial statements
contained in the Filed Company SEC Documents reflect an adequate reserve for all
taxes payable by the Company for all taxable periods and portions thereof from
the dates covered by such Filed Company SEC Documents through the date of such
financial statements. No material deficiencies for any taxes have been proposed,
asserted or assessed by any taxing authority against the Company, nor is there,
to the Company's knowledge, any such deficiency. No requests for waivers of the
time to assess any such taxes are pending. No material special charges,
penalties, fines, liens, or similar encumbrances have been asserted against the
Company with respect to payment of or failure to pay any taxes, which have not
been resolved. The Company has not executed or filed with any taxing authority
any agreements extending the period for assessment or collection of any taxes
which are still outstanding. Proper amounts have been withheld by the Company
from employee compensation payments for all periods in compliance with

                                      -17-
<PAGE>   22
the tax withholding provisions of applicable federal and state laws. None of the
Federal income tax returns of the Company have been examined by the United
States Internal Revenue Service for the six fiscal years through October 30,
1999. The Company has not taken any action nor does it have any knowledge of any
fact or circumstance that would prevent or is reasonably likely to prevent the
Merger from qualifying as a reorganization within the meaning of Section 368(a)
of the Code. As used in this Agreement, "taxes" shall include all Federal,
state, local and foreign income, property, sales, excise and other taxes,
tariffs or governmental charges of any nature whatsoever.

                  (o) No Excess Parachute Payments. No amount that could be
received (whether in cash or property or the vesting of property) as a result of
any of the transactions contemplated by this Agreement by any employee, officer
or director of the Company or any of its subsidiaries who is a "disqualified
individual" (as such term is defined in proposed Treasury Regulation Section
1.280G-1) under any employment, severance or termination agreement, other
compensation arrangement or Benefit Plan currently in effect would be an "excess
parachute payment" (as such term is defined in Section 280G(b)(1) of the Code).
No such person is entitled to receive any additional payment from the Company,
the Surviving Corporation or any other person (a "Parachute Gross-Up Payment")
in the event that the excise tax of Section 4999(a) of the Code is imposed on
such person. No officer, director or employee of the Company or any of its
subsidiaries has been granted any right to receive any Parachute Gross-up
Payment by the Company or any of its subsidiaries.

                  (p) Title to Properties. The Company and each of its
subsidiaries has good and marketable title to, or valid leasehold interests in,
all its material properties and assets except for such as are no longer used or
useful in the conduct of its businesses or as have been disposed of in the
ordinary course of business and except for Liens, defects in title, easements,
reservations, restrictive covenants and other encumbrances that are identified
in the Filed Company SEC Documents, the Company Disclosure Schedule or in
documents, plans, title insurance policies and other instruments identified in
the Company Disclosure Schedule or made available to Parent, that individually
or in the aggregate would not materially interfere with the ability of the
Company and its subsidiaries taken as a whole to conduct their business as
currently conducted. All such material properties and assets, other than
properties and assets in which the Company or any of its subsidiaries has a
leasehold interest, are free and clear of all Liens, except for Liens that (A)
are created, arise or exist under or in connection with any of the contracts or
other matters referred to in the Company Disclosure Schedule or in the Filed
Company SEC Documents or the exhibits thereto, or are reflected in the Company's
financial statements included in the Filed Company SEC Documents, (B) relate to
any taxes or other governmental charges or levies that are not yet due and
payable, (C) relate to, or are created, arise or exist in connection with, any
legal proceeding that is being contested in good faith, or (D) individually or
in the aggregate would not materially interfere with the ability of the Company
and each of its subsidiaries to conduct their business as currently conducted,
or (E) would not materially and adversely impact the transferability,
financability, ownership, leasing, use, development or occupancy of any such
properties or assets ("Company Permitted Liens"). The Company and each of its
subsidiaries has complied in all material respects with the terms of all
material leases to which it is a party and under which it is in occupancy, and
all such leases are in full force and effect, except where such failure to
comply or be in full force and

                                      -18-
<PAGE>   23
effect would not materially and adversely impact the leasing, use, or occupancy
of any such leased properties or assets. The Company and/or one or more of its
subsidiaries enjoys peaceful and undisturbed possession under all such material
leases, except for failures to do so that would not individually or in the
aggregate have a material adverse effect on the Company.

                  (q) Intellectual Property. The Company owns, or is validly
licensed or otherwise has the right to use, all patents, patent rights,
trademarks, trademark rights, trade names, trade name rights, service marks,
service mark rights, copyrights and other proprietary intellectual property
rights and computer programs (collectively, "Intellectual Property Rights")
which are material to the conduct of the business of the Company and its
subsidiaries taken as a whole. No claims are pending or, to the knowledge of the
Company, threatened in writing that the Company or any of its subsidiaries is
infringing or otherwise adversely affecting the rights of any person with regard
to any Intellectual Property Right except for claims which, if determined
adversely to the Company, would not have a material adverse effect on the
Company. To the knowledge of the Company, no person is infringing the rights of
the Company or any of its subsidiaries with respect to any Intellectual Property
Right except where such infringement has not had, and could not reasonably be
expected to have, a material adverse effect on the Company. Neither the Company
nor any of its subsidiaries has licensed, or otherwise granted, to any third
party, any exclusive rights in or to any Intellectual Property Rights which are
material to the conduct of the business of the Company and its subsidiaries
taken as a whole.

                  (r) Voting Requirements. The affirmative vote of the holders
of two thirds (2/3) of the outstanding shares of Company Common Stock at the
Shareholders Meeting to approve this Agreement is the only vote of the holders
of any class or series of the Company's capital stock necessary to approve this
Agreement and the transactions contemplated by this Agreement.

                  (s) State Takeover Statutes. The Board of Directors of the
Company have approved the Merger, this Agreement, the Option Agreement and the
Stockholders Agreement, and such approval is sufficient to render inapplicable
to the Merger, this Agreement, the Option Agreement, the Stockholders Agreement
and the transactions contemplated by this Agreement, the Option Agreement and
the Stockholders Agreement, the provisions of Section 110F of the MBCL to the
extent, if any, such Section is applicable to the Merger, this Agreement, the
Option Agreement, the Stockholders Agreement and the transactions contemplated
by this Agreement, the Option Agreement and the Stockholders Agreement. To the
Company's knowledge, no other state takeover statute or similar statute or
regulation applies to or purports to apply to the Merger, this Agreement, the
Option Agreement, the Stockholders Agreement or the transactions contemplated by
this Agreement, the Option Agreement or the Stockholders Agreement.

                  (t) Brokers. No broker, investment banker, financial advisor
or other person, other than Morgan Stanley & Co. Incorporated, the fees and
expenses of which will be paid by the Company, is entitled to any broker's,
finder's, financial advisor's or other similar fee or commission in connection
with the transactions contemplated by this Agreement based upon arrangements
made by or on behalf of the Company.

                                      -19-
<PAGE>   24
                  (u) Opinion of Financial Advisor. The Company has received the
opinion of Morgan Stanley & Co. Incorporated, dated the date hereof, to the
effect that, as of such date, the consideration to be received in the Merger by
the Company's shareholders is fair to the Company's shareholders from a
financial point of view, a signed copy of which opinion has been delivered to
Parent for informational purposes only.

                  (v) Accounting Matters. To the knowledge of the Company, based
on consultation with its independent accountants, the Company has not taken or
agreed to take any action that would prevent the business combination to be
effected by the Merger to be accounted for as a pooling of interests.

                  (w) Rights Agreement. The Rights Agreement has been or will be
prior to the Effective Time amended to (i) render the Rights Agreement
inapplicable to the Merger and the other transactions contemplated by this
Agreement, the Option Agreement and the Stockholders Agreement, (ii) ensure that
(y) none of Parent or its subsidiaries is an Acquiring Person (as defined in the
Rights Agreement) pursuant to the Rights Agreement solely by virtue of the
execution of this Agreement, the Option Agreement, the Stockholders Agreement or
the consummation of the Merger or the other transactions contemplated by the
Option Agreement and the Stockholders Agreement and (z) a Distribution Date or a
Stock Acquisition Date (as such terms are defined in the Rights Agreement) does
not occur solely by reason of the execution of this Agreement, the Option
Agreement and the Stockholders Agreement, the consummation of the Merger, or the
consummation of the other transactions, contemplated by the Option Agreement and
the Stockholders Agreement and (iii) provide that the Final Expiration Date (as
defined in the Rights Agreement) shall occur immediately prior to the Effective
Time, and such amendment may not be further amended by the Company without the
prior written consent of Parent.

         SECTION 3.2 Representations and Warranties of Parent and Sub. Except as
set forth on the disclosure schedule delivered by the Parent and Sub to Company
prior to the execution of this Agreement (the "Parent/Sub Disclosure Schedule"),
Parent and Sub represent and warrant to the Company as follows:

                  (a) Organization, Standing and Corporate Power. Parent and
each of its subsidiaries is a corporation duly organized, validly existing and
in good standing under the laws of the jurisdiction of its incorporation, and
has all requisite corporate power and authority to carry on its business as now
being conducted. Parent and each of its subsidiaries is duly qualified or
licensed to do business and is in good standing in each jurisdiction in which
the nature of its business or the ownership, leasing or operation of its
properties makes such qualification or licensing necessary, other than in such
jurisdictions where the failure to be so qualified or licensed individually or
in the aggregate would not have a material adverse effect (as defined in Section
8.3) on Parent. Parent has delivered or made available to the Company complete
and correct copies of its Certificate of Incorporation and Bylaws of Parent and
the Articles of Incorporation and Bylaws or such other charter documents, in
each case as amended to the date hereof, of each of its subsidiaries.

                                      -20-
<PAGE>   25
                  (b) Subsidiaries. Except as set forth in Section 3.2(b) of the
Parent/Sub Disclosure Schedule or in the Filed Parent SEC Documents, Parent has
no subsidiaries and does not own, directly or indirectly, beneficially or of
record, any shares of capital stock or other security of any other entity or any
other investment in any other entity.

                  (c) Capital Structure. The authorized capital stock of Parent
consists of 500,000,000 shares of Common Stock, par value $0.01 per share, and
5,000,000 shares of preferred stock, par value $0.01 per share ("Preferred
Stock"). At the close of business on April 1, 2000, (a) 128,601,855 shares of
Parent Common Stock were issued and outstanding, (b) no shares of Parent Common
Stock were held by the Parent in its treasury, and (c) 14,754,919 shares of
Parent Common Stock were reserved for issuance pursuant to Parent's stock option
and employee stock purchase plans ("Parent Equity Incentive Plans"). Parent has
outstanding $350,000,000 in convertible subordinated debentures due May 2004,
which are convertible into common stock at a conversion price of $44.334 per
share (the "Convertible Notes"). Except as set forth above or in the Parent SEC
Documents, at the close of business on April 1, 2000, no shares of capital stock
or other voting securities of Parent were issued, reserved for issuance or
outstanding. All outstanding shares of capital stock of Parent are, and all
shares which may be issued pursuant to the Parent Equity Incentive Plans will
be, when issued in accordance with the terms thereof, duly authorized, validly
issued, fully paid and nonassessable and not subject to preemptive rights.
Except as set forth above, there are no securities, options, warrants, calls,
rights, commitments, agreements, arrangements or undertakings of any kind to
which the Parent is a party, or by which it is bound, obligating the Parent to
issue, deliver or sell, or cause to be issued, delivered or sold, additional
shares of capital stock or other voting securities of the Parent or obligating
the Parent to issue, grant, extend or enter into any such security, option,
warrant, call, right, commitment, agreement, arrangement or undertaking. Except
for the convertible notes, there are not any outstanding contractual obligations
of the Parent to repurchase, redeem or otherwise acquire any shares of capital
stock or other securities of the Parent. Except for the Stockholders Agreement
contemplated hereby, there are no shareholder agreements, voting trusts or other
agreements or understandings to which Parent is a party or by which it is bound
relating to the voting of any shares of capital stock of Parent. The shares of
Parent Common Stock will, when issued pursuant to this Agreement, be duly and
validly issued, fully paid and nonassessable and will be issued free of any
preemptive rights or other Liens.

         All of the outstanding capital stock of Parent's subsidiaries is owned
by Parent (other than directors' qualifying shares), directly or indirectly,
free and clear of any Lien or any other limitation or restriction (including any
restriction on the right to vote or sell the same, except as may be provided as
a matter of law). There are no securities of Parent or its subsidiaries
convertible into or exchangeable for, no options or other rights to acquire from
Parent or its subsidiaries, and no other contract, understanding, arrangement or
obligation (whether or not contingent) providing for the issuance or sale,
directly or indirectly, of any capital stock or other ownership interests in, or
any other securities of, any subsidiary of Parent. There are no outstanding
contractual obligations of Parent or its subsidiaries to repurchase, redeem or
otherwise acquire any outstanding shares of capital stock or other ownership
interests in any subsidiary of Parent.

                                      -21-
<PAGE>   26
                  (d) Authority; Noncontravention. Parent and Sub have all
requisite corporate power and authority to enter into this Agreement (and, in
the case of Parent, the Option Agreement and the Stockholders Agreement), and to
consummate the transactions contemplated by this Agreement (and, in the case of
Parent, those contemplated by the Option Agreement and the Stockholders
Agreement). The execution and delivery of this Agreement (and, in the case of
Parent, the Option Agreement and the Stockholders Agreement), and the
consummation of the transactions contemplated by this Agreement (and, in the
case of Parent, those contemplated by the Option Agreement and the Stockholders
Agreement), have been duly authorized by all necessary corporate action on the
part of Parent and Sub. This Agreement (and, in the case of Parent, the Option
Agreement and the Stockholders Agreement) has been duly executed and delivered
by Parent and Sub, and constitutes a valid and binding obligation of each such
party, enforceable against each such party in accordance with its terms. The
execution and delivery of this Agreement, the Option Agreement and the
Stockholders Agreement do not, and the consummation of the transactions
contemplated by this Agreement, the Option Agreement and the Stockholders
Agreement and compliance with the provisions of this Agreement, the Option
Agreement and the Stockholders Agreement will not, conflict with, or result in
any violation of, or default (with or without notice or lapse of time, or both)
under, or give rise to a right of termination, cancellation or acceleration of
any obligation or to loss of a material benefit under, or result in the creation
of any Lien in or upon any of the properties or assets of Parent or any of its
subsidiaries under, any provision of (a) the Certificate of Incorporation or
Bylaws of Parent or the Articles of Incorporation or Bylaws of Sub or any
provision of the comparable charter or organizational documents of any other
subsidiary of Parent, (b) any loan or credit agreement, note, bond, mortgage,
indenture, lease or other agreement, instrument, permit, concession, franchise
or license applicable to Parent, Sub or any other subsidiary of Parent or their
respective properties or assets or (c) subject to the governmental filings and
other matters referred to in the following sentence, any (i) statute, law,
ordinance, rule or regulation or (ii) judgment, order or decree applicable to
Parent, Sub or any other subsidiary of Parent or their respective properties or
assets, other than, in the case of clause (b) and clause (c)(i), any such
conflicts, violations, defaults, rights or Liens that individually or in the
aggregate would not (x) have a material adverse effect on Parent, (y) impair in
any material respect the ability of Parent and Sub to perform their respective
obligations hereunder (and, in the case of Parent, under the Option Agreement
and the Stockholders Agreement) or (z) prevent or materially delay the
consummation of any of the transactions contemplated by this Agreement, the
Option Agreement or the Stockholders Agreement. No consent, approval, order or
authorization of, or registration, declaration or filing with, any third party
or Governmental Entity is required by or with respect to Parent, Sub or any
other subsidiary of Parent in connection with the execution and delivery of this
Agreement (and, in the case of Parent, the Option Agreement and the Stockholders
Agreement) by Parent and Sub or the consummation by Parent and Sub of the
transactions contemplated by this Agreement (and, in the case of Parent, those
contemplated by the Option Agreement and the Stockholders Agreement), except for
(1) the filing of a Premerger Notification and report form by Parent under the
HSR Act, (2) the filing with the SEC of the Form S-4 and such reports under the
Exchange Act as may be required in connection with this Agreement, the Option
Agreement or the Stockholders Agreement and the transactions contemplated by
this Agreement, the Option Agreement or the Stockholders Agreement, (3) the
filing of the Articles of Merger with the Massachusetts Secretary of State and

                                      -22-
<PAGE>   27
appropriate documents with the relevant authorities of other states in which
Parent and Sub are qualified to do business and (4) such other consents,
approvals, orders, authorizations, registrations, declarations and filings as
may be required under the "blue sky" laws of various states, the failure of
which to be obtained or made would not, individually or in the aggregate, have a
material adverse effect on Parent or prevent or materially delay the
consummation of any of the transactions contemplated by this Agreement.

                  (e) SEC Documents. Parent has filed all required reports,
schedules, forms, statements and other documents with the SEC since October 1,
1995 (the "Parent SEC Documents"). As of their respective dates, the Parent SEC
Documents complied in all material respects with the requirements of the
Securities Act, or the Exchange Act, as the case may be, and the rules and
regulations of the SEC promulgated thereunder applicable to such Parent SEC
Documents, and at the time they were filed none of the Parent SEC Documents
contained any untrue statement of a material fact or omitted to state a material
fact required to be stated therein or necessary in order to make the statements
therein, in light of the circumstances under which they were made, not
misleading. Except to the extent that information contained in any Parent SEC
Document has been revised or superseded by a later-filed Parent SEC Document,
none of the Parent SEC Documents contains any untrue statement of a material
fact or omits to state any material fact required to be stated therein or
necessary in order to make the statements therein, in light of the circumstances
under which they were made, not misleading. The financial statements of Parent
included in the Parent SEC Documents as of their respective dates comply as to
form in all material respects with applicable accounting requirements and the
published rules and regulations of the SEC with respect thereto, have been
prepared in accordance with generally accepted accounting principles (except, in
the case of unaudited financial statements, as permitted by the SEC on Form
10-Q) applied on a consistent basis during the periods involved (except as may
be indicated in the notes thereto) and fairly present the consolidated financial
position of the Company as of the dates thereof and the results of its
operations and cash flows for the periods then ended (subject, in the case of
unaudited financial statements, to normal year-end audit adjustments). Except as
set forth in Parent SEC Documents filed and publicly available prior to the date
of this Agreement ("Filed Parent SEC Documents"), since the completion of the
audit of Parent's financial statements at and for the fiscal year ended October
2, 1999, Parent has not incurred any liabilities or obligations of any nature
(whether accrued, absolute, contingent or otherwise) which, individually or in
the aggregate, would, in the exercise of reasonable business judgment, be
expected to have a material adverse effect on Parent.

                  (f) Information Supplied. None of the information supplied or
to be supplied by Parent or Sub specifically for inclusion or incorporation by
reference in (i) the Form S-4 will, at the time the Form S-4 is filed with the
SEC, at any time it is amended or supplemented and at the time it becomes
effective under the Securities Act, contain any untrue statement of a material
fact or omit to state any material fact required to be stated therein or
necessary to make the statements therein, in light of the circumstances under
which they are made, not misleading, and (ii) the Proxy Statement will, at the
date it is first mailed to the Company's shareholders and at the time of the
meeting of the Company's shareholders held to vote on approval and adoption of
this Agreement, contain any untrue statement of a material fact or omit to state
any material fact required to be stated therein or

                                      -23-
<PAGE>   28
necessary in order to make the statements therein, in light of the circumstances
under which they are made, not misleading. The Form S-4 will comply as to form
in all material respects with the requirements of the Securities Act and the
rules and regulations thereunder. No representation is made by Parent or Sub in
this Agreement with respect to statements made or incorporated by reference
therein based on information supplied by the Company specifically for inclusion
or incorporation by reference in the Form S-4.

                  (g) Absence of Certain Changes or Events. Except as disclosed
in the Filed Parent SEC Documents, since the date of the most recent audited
financial statements included in the Filed Parent SEC Documents, the Parent has
conducted its business only in the ordinary course consistent with past
practice, and there has not been:

                           (i) any material adverse change (as defined in
Section 8.3) in the Parent or any of its subsidiaries;

                           (ii) any declaration, setting aside or payment of any
dividend or other distribution (whether in cash, stock or property) with respect
to any of the Parent's capital stock, other than Parent's announced two-for-one
stock split in the form of a stock dividend effected as of March 22, 2000;

                           (iii) other than Parent's announced two-for-one stock
split in the form of a stock dividend effected as of March 22, 2000, any split,
combination or reclassification of any of the Parent's capital stock or any
issuance or the authorization of any issuance of any other securities in respect
of, in lieu of or in substitution for shares of the Parent's capital stock;

                           (iv) (x) any granting by the Parent or any of its
subsidiaries to any Named Executive Officer of the Parent (as identified in the
Parent's proxy statement for its 2000 annual meeting of stockholders) of any
increase in compensation, except in the ordinary course of business consistent
with prior practice or as was required under employment agreements in effect as
of the date of the most recent audited financial statements included in the
Filed Parent SEC Documents, (y) any granting by the Parent or any of its
subsidiaries to any Named Executive Officer of any increase in severance or
termination pay, except as was required under any employment, severance or
termination agreements in effect as of the date of the most recent audited
financial statements included in the Filed Parent SEC Documents or (z) any entry
by the Parent or any of its subsidiaries into any employment, severance or
termination agreement with any Named Executive Officer;

                           (v) any change in accounting methods, principles or
practices by the Parent materially affecting its assets, liabilities or
business, except insofar as may have been required by a change in generally
accepted accounting principles;

                           (vi) any tax election that individually or in the
aggregate would have a material adverse effect on the Parent or any of its tax
attributes or any settlement or compromise of any material income tax liability;
or

                                      -24-
<PAGE>   29
                           (vii) any agreement, whether in writing or otherwise,
to take any action described in this Section 3.2(g).

                  (h) Litigation. There is no suit, action or proceeding pending
or, to the knowledge of the Parent, threatened in writing since October 1, 1999
against or directly affecting the Parent or any of its subsidiaries that
individually or in the aggregate would have a material adverse effect on the
Parent, nor is there any judgment, decree, injunction, rule or order of any
Governmental Entity or arbitrator outstanding against, or, to the knowledge of
the Parent, investigation by any Governmental Entity pending that involves, the
Parent or any of its subsidiaries, other than routine administrative agency
actions before the United States Patent and Trademark Office or corresponding
patent authorities of other countries, or that individually or in the aggregate
would have a material adverse effect on the Parent.

                  (i) Contracts. Except as disclosed in the Filed Parent SEC
Documents, there is no contract or agreement that is of a nature required to be
filed as an exhibit to a report on Form 10-Q or 10-K required to be filed by
Parent or any of its subsidiaries under the Exchange Act and the rules and
regulations promulgated thereunder (such type of contract or agreement is
hereinafter referred to as a "Contract") that has not been so filed, except
those whose failure to be so filed would not be materially inconsistent with the
SEC's filing requirements for material contracts. Neither Parent nor any of its
subsidiaries is in violation of or in default under (nor, to the knowledge of
Parent, does there exist any condition which upon the passage of time or the
giving of notice or both would cause such a violation of or default under) any
Contract, except for violations or defaults that individually or in the
aggregate would not have a material adverse effect on Parent.

                  (j) Labor Matters. There are no collective bargaining
agreements or other labor union agreements to which the Parent or any of its
subsidiaries is a party, or by which it is bound. The Parent and each of its
subsidiaries is in material compliance with all federal, state and local laws
respecting employment and employment practices, terms and conditions of
employment and wages and hours, and is not engaged in any unfair labor practice,
except where the failure to be in compliance would not have a material adverse
effect on the Parent. There is no unfair labor practice complaint against the
Parent or any of its subsidiaries pending or, to the knowledge of the Parent,
overtly threatened before the National Labor Relations Board or the United
States Department of Labor. There is no labor strike, dispute, slowdown or
stoppage in progress or, to the knowledge of the Parent, overtly threatened
against or involving the Parent or any of its subsidiaries. To the Parent's
knowledge, there is no overtly threatened organizing or similar activity
relating to the formation of a collective bargaining unit to represent the
Parent's employees. No written agreement restricts the Parent or any of its
subsidiaries from relocating, closing or terminating any of its operations or
facilities. Neither the Parent nor any of its subsidiaries has, in the past
three years, experienced any labor strike, dispute, slowdown, stoppage or other
material labor difficulty.

                  (k) Absence of Changes in Benefit Plans. Except as disclosed
in the Filed Parent SEC Documents, since the date of the most recent audited
financial statements included in the Filed Parent SEC Documents, there has not
been any adoption or amendment in any material respect by

                                      -25-
<PAGE>   30
the Parent or any of its subsidiaries of any collective bargaining agreement or
any bonus, pension, profit sharing, deferred compensation, incentive
compensation, stock ownership, stock purchase, stock option, phantom stock,
retirement, vacation, severance, disability, death benefit, hospitalization,
medical or other plan, arrangement or understanding (whether or not legally
binding) providing benefits to any current or former employee, officer or
director of the Parent (collectively, "Benefit Plans"). Except as contemplated
herein or as disclosed in the Parent/Sub Disclosure Schedule or in the Filed
Parent SEC Documents, there exist no employment, consulting, severance,
termination or indemnification agreements, arrangements or understandings
between the Parent, any current or former employee, officer or director of the
Parent, which is required to be disclosed in the Filed Parent SEC Documents and
which is either currently effective or will become effective at the Closing
Date.

                  (l) ERISA Compliance.

                           (i) Schedule 3.1(m)(i) to the Parent/Sub Disclosure
Schedule contains a list and brief description of all material "employee pension
benefit plans" (as defined in Section 3(2) of the Employee Retirement Income
Security Act of 1974, as amended ("ERISA")) (sometimes referred to herein as
"Pension Plans"), "employee welfare benefit plans" (as defined in Section 3(l)
of ERISA), "employee benefit plans" (as defined in Section 3(3) of ERISA), which
are maintained in connection with any trust described in Section 501(c)(9) of
the Code, and all other material benefit plans (collectively, "Benefit Plans")
maintained, or contributed to, by Parent or any person or entity that, together
with Parent, is treated as a single employer under Section 414(b), (c), (m) or
(o) of the Code (Parent and each such other person or entity, a "Commonly
Controlled Entity") for the benefit of any current or former employees, officers
or directors of Parent. Parent has made available to the Company true, complete
and correct copies of (i) each material Benefit Plan (or, in the case of any
unwritten Benefit Plans, descriptions thereof), (ii) the most recent summary
plan description for each material Benefit Plan for which such summary plan
description is required and (iii) each trust agreement and group annuity
contract relating to any material Benefit Plan. Each Benefit Plan has been
administered in all material respects in accordance with its terms. Parent and
all the Benefit Plans are all in compliance in all material respects with
applicable provisions of ERISA and the Code.

                           (ii) All Pension Plans may rely on an opinion letter
issued by the Internal Revenue Service for a prototype plan or have been the
subject of determination letters from the Internal Revenue Service to the effect
that such Pension Plans are qualified and exempt from Federal income taxes under
Sections 401(a) and 501(a), respectively, of the Code, and, to Parent's
knowledge, no such determination letter has been revoked nor has any event
occurred since the date of its most recent determination letter or application
therefor that would adversely affect its qualification or materially increase
its costs, or Parent has a period of time remaining under Applicable Treasury
Regulations or Pronouncements in which to apply for and obtain such a letter.

                           (iii) Neither Parent nor any Commonly Controlled
Entity has maintained, contributed or been obligated to contribute to any
Benefit Plan that is subject to Title IV of ERISA.

                                      -26-
<PAGE>   31
                           (iv) With respect to any Benefit Plan that is an
employee welfare benefit plan, there are no understandings, agreements or
undertakings, written or oral, that would prevent any such plan (including any
such plan covering retirees or other former employees) from being amended or
terminated without material liability to Parent on or at any time after the
Effective Time.

                           (v) Neither Parent nor any of its subsidiaries
contributes to or has any material liability to the Pension Benefit Guaranty
Corporation or any other person, plan or entity under or with respect to (A) a
pension plan subject to Section 412 of the Code, (B) a multiemployer pension
plan, as defined in Section 3(37) of ERISA or (C) an employee welfare benefit
plan that is not funded through insurance.

                           (vi) No employee welfare benefit plan of Parent or
any of its subsidiaries provides for continuing benefits or coverage after
termination or retirement from employment, except as required by Section 4980B
of the Code and Sections 601 - 607 of ERISA ("COBRA") or similar applicable
state law ("mini-COBRA"). With respect to any Benefit Plan which is a "group
health plan," as so defined, Parent warrants that in all "qualified events"
occurring prior to or on the Closing Date, Parent has or will offer to its
eligible employees and their "qualified beneficiaries" the opportunity to elect
continuation coverage under Section 602 of ERISA to the extent required by ERISA
Sections 601-607 and will provide that coverage, if elected at such expense
which will have no material adverse effect on the Company.

                           (vii) Except as disclosed in the Filed Parent SEC
Documents, there is no Benefit Plan covering any employee or former employee of
Parent or any of its subsidiaries that, individually or collectively, could give
rise to the payment of an amount that would not be deductible pursuant to the
terms of Sections 280G or 162 of the Code.

                           (viii) Neither Parent nor any of its subsidiaries nor
any of their "affiliates" (as defined in ERISA) has ever participated in or
withdrawn from a multi-employer plan as defined in Section 4001(a)(3) of Title
IV of ERISA, and neither Parent nor any of its subsidiaries has incurred or owes
any material liability as a result of any partial or complete withdrawal by any
employer from such a multi-employer plan as described under Sections 4201, 4203,
or 4205 of ERISA.

                           (ix) To Parent's knowledge, no employee of Parent or
any of its subsidiaries is obligated under any agreement or judgment that would
conflict with such employee's obligation to use his best efforts to promote the
interests of Parent or would conflict with Parent's business as conducted or
proposed to be conducted. To Parent's knowledge, no employee of the Parent or
any of its subsidiaries is in violation of the terms of any employment agreement
or any other agreement relating to such employee's relationship with any
previous employer and, to Parent's knowledge, no litigation is pending or
overtly threatened with regard thereto.

                                      -27-
<PAGE>   32
                  (m) Taxes. Parent has filed all tax returns and reports
required to be filed by it and has paid all taxes required to be paid by it (as
shown on such returns and reports), and the most recent financial statements
contained in the Filed Parent SEC Documents reflect an adequate reserve for all
taxes payable by Parent for all taxable periods and portions thereof from the
dates covered by such Filed Parent SEC Documents through the date of such
financial statements. No material deficiencies for any taxes have been proposed,
asserted or assessed by any taxing authority against Parent, nor is there, to
Parent's knowledge, any such deficiency. No requests for waivers of the time to
assess any such taxes are pending. No material special charges, penalties,
fines, liens, or similar encumbrances have been asserted against Parent with
respect to payment of or failure to pay any taxes, which have not been resolved.
Parent has not executed or filed with any taxing authority any agreements
extending the period for assessment or collection of any taxes which are still
outstanding. Proper amounts have been withheld by Parent from employee
compensation payments for all periods in compliance with the tax withholding
provisions of applicable federal and state laws. None of the Federal income tax
returns of Parent have been examined by the United States Internal Revenue
Service for the six fiscal years through October 2, 1999. Parent has not taken
any action nor does it have any knowledge of any fact or circumstance that would
prevent or is reasonably likely to prevent the Merger from qualifying as a
reorganization within the meaning of Section 368(a) of the Code. As used in this
Agreement, "taxes" shall include all Federal, state, local and foreign income,
property, sales, excise and other taxes, tariffs or governmental charges of any
nature whatsoever.

                  (n) Title to Properties. The Parent and each of its
subsidiaries has good and marketable title to, or valid leasehold interests in,
all its material properties and assets except for such as are no longer used or
useful in the conduct of its businesses or as have been disposed of in the
ordinary course of business and except for Liens, defects in title, easements,
reservations, restrictive covenants and other encumbrances that are identified
in the Filed Parent SEC Documents, the Parent/Sub Disclosure Schedule or in
documents, plans, title insurance policies and other instruments identified in
the Parent/Sub Disclosure Schedule or made available to the Company that
individually or in the aggregate would not materially interfere with the ability
of the Parent and its subsidiaries taken as a whole to conduct their business as
currently conducted. All such material properties and assets , other than assets
and properties in which the Parent or any of its subsidiaries has a leasehold
interest, are free and clear of all Liens except for Liens that (A) are created,
arise or exist under or in connection with any of the contracts or other matters
referred to in the Parent Disclosure Schedule or in the Filed Parent SEC
Documents or the exhibits thereto, or are reflected in Parent's financial
statements included in the Filed Parent SEC Documents, (B) relate to any taxes
or other governmental charges or levies that are not yet due and payable, (C)
relate to, or are created, arise or exist in connection with, any legal
proceeding that is being contested in good faith, or (D) individually or in the
aggregate would not materially interfere with the ability of the Parent and each
of its subsidiaries to conduct their business as currently conducted and (E)
would not materially and adversely impact the transferability, financability,
ownership, leasing, use, development or occupancy of any such properties or
assets ("Parent Permitted Liens"). The Parent and each of its subsidiaries has
complied in all material respects with and is not in default under the terms of
all material leases to which it is a party and under which it is in occupancy,
and all such leases are in full force and effect, except where such failure to
comply or be in full force and effect would not

                                      -28-
<PAGE>   33
materially and adversely impact the leasing, use, or occupancy of any such
leased properties or assets. To the knowledge of the Parent, no party to any
material lease is in default of such lease and there exists no event or
circumstance with respect to such lease which with the giving of notice or the
passage of time, or both, would constitute a default by any party to such lease.
The Parent and/or one or more of its subsidiaries enjoys peaceful and
undisturbed possession under all such material leases, except for failures to do
so that would not individually or in the aggregate have a material adverse
effect on the Parent.

                  (o) Compliance with Laws. Except as disclosed in the Filed
Parent SEC Documents:

                           (i) The Parent and each of its subsidiaries is in
compliance with all Legal Provisions applicable to its business or operations,
except for instances of possible noncompliance that, individually or in the
aggregate, would not have a material adverse effect on the Parent or prevent or
materially delay the consummation of the Merger. The Parent and each of its
subsidiaries has in effect all Permits, necessary for it to own, lease or
operate its properties and assets and to carry on its business as now conducted,
and there has occurred no default under, or violation of, any such Permit,
except for the lack of Permits and for defaults under, or violations of, Permits
which lack, default or violation, individually or in the aggregate, would not
have a material adverse effect on the Parent. Since October 1, 1999, the Parent
has not received any written notice or other communication from any Governmental
Entity alleging any violation of any Legal Provision by the Parent, other than
any such notice or communication relating to any actual or alleged violation the
consequences of which would not have a material adverse effect on the Parent or
relating to any actual or alleged violation that has since the receipt of such
notice been cured by the Parent within the time frame, if any, specified for
cure in such notice.

                           (ii) The Parent and each of its subsidiaries have
conducted all Hazardous Material Activities in compliance in all material
respects with all applicable Environmental Laws, except for such failures as
would not have a material adverse effect on Parent. To the knowledge of Parent,
the Hazardous Materials Activities of the Parent and each of its subsidiaries
have not resulted in the exposure of any person to a Hazardous Material in a
manner which has or will result in liability having a material adverse effect on
Parent.

                           (iii) Except in compliance with Environmental Laws in
a manner that could not reasonably be expected to subject the Parent or any of
its subsidiaries to liability which could reasonably be expected to have a
material adverse effect on the Parent, no Hazardous Materials are present on any
Business Facility and, to the knowledge of the Parent, no Hazardous Materials
are present on any Business Facility currently owned, operated, occupied,
controlled or leased by the Parent or any of its subsidiaries or were present on
any other Business Facility at the time it ceased to be owned, operated,
occupied, controlled or leased by the Parent or any of its subsidiaries, except
for any such presence that could not reasonably be expected to have a material
adverse effect on the Parent.

                           (iv) Parent has all of the Environmental Permits
necessary for the continued conduct of any Hazardous Materials Activity of
Parent and each of its subsidiaries as such

                                      -29-
<PAGE>   34
activities are currently being conducted, except for those Environmental Permits
the absence of which could not reasonably be expected to result in a material
adverse effect on Parent. All such Environmental Permits are valid and in full
force and effect, except where such invalidity or failure to be in full force
and effect would not have a material adverse effect on Parent.

                           (v) No action, proceeding, revocation proceeding,
amendment procedure, writ, injunction or claim is pending, or to the knowledge
of Parent, overtly threatened, concerning or relating to any Environmental
Permit or any Hazardous Materials Activity of Parent or any of its subsidiaries,
or to any Business Facility currently owned, operated, occupied, controlled or
leased by Parent or any of its subsidiaries.

                           (vi) To the knowledge of Parent, no action,
proceeding, liability or claim exists or is overtly threatened against Parent or
any of its subsidiaries with respect to any transfer or release of Hazardous
Materials to a Disposal Site which could reasonably be expected to subject
Parent or any of its subsidiaries to liability having a material adverse effect
on Parent.

                  (p) Intellectual Property. Parent owns, or is validly licensed
or otherwise has the right to use, all Intellectual Property Rights which are
material to the conduct of the business of Parent and its subsidiaries taken as
a whole. No claims are pending or, to the knowledge of Parent threatened in
writing that Parent or any of its subsidiaries is infringing or otherwise
adversely affecting the rights of any person with regard to any Intellectual
Property Right except for claims which, if determined adversely to Parent, would
not have a material adverse effect on Parent. To the knowledge of Parent, no
person is infringing the rights of Parent or any of its subsidiaries with
respect to any Intellectual Property Right except where such infringement has
not had, and could not reasonably be expected to have, a material adverse effect
on Parent. Neither Parent nor any of its subsidiaries has licensed, or otherwise
granted, to any third party, any exclusive rights in or to any Intellectual
Property Rights which are material to the conduct of the business of Parent and
its subsidiaries taken as a whole.

                  (q) Voting Requirements. No vote of or other action by the
holders of Parent's Common Stock (or securities convertible into Parent's Common
Stock) is necessary in connection with the approval of this Agreement, the
Option Agreement, the Stockholders Agreement or the consummation by Parent of
the transactions contemplated by this Agreement.

                  (r) Brokers. No broker, investment banker, financial advisor
or other person, other than Donaldson Lufkin & Jenrette Securities Corporation,
the fees and expenses of which will be paid by Parent, is entitled to any
broker's, finder's, financial advisor's or other similar fee or commission in
connection with the transactions contemplated by this Agreement based upon
arrangements made by or on behalf of Parent.

                  (s) Accounting Matters. To the knowledge of Parent, based on
consultation with its independent auditors, Parent has not taken or agreed to
take any action that would prevent the business combination to be effected by
the Merger to be accounted for as a pooling of interests.

                                      -30-
<PAGE>   35
                  (t) Interim Operations of Sub. Sub was formed solely for the
purpose of engaging in the transactions contemplated hereby, has engaged in no
other business activities and has conducted its operations only as contemplated
hereby, has no liabilities of any kind whatsoever (whether accrued, absolute,
contingent or otherwise) and as of the Closing, will not have engaged in any
other business activities or have any liabilities whatsoever (whether accrued,
absolute, contingent or otherwise).

                                   ARTICLE IV

                    Covenants Relating to Conduct of Business

         SECTION 4.1 Conduct of Business

                  (a) Conduct of Business by the Company. During the period from
the date of this Agreement to the earlier of the termination of this Agreement
pursuant to its terms or the Effective Time, the Company shall carry on its
businesses in the ordinary course consistent with the manner as heretofore
conducted and, to the extent consistent therewith, use commercially reasonable
efforts to preserve intact its current business organization, and preserve its
relationships with customers, suppliers, licensors, licensees, distributors and
others having business dealings with it. Without limiting the generality of the
foregoing, other than as set forth in Section 4.1 of the Company Disclosure
Schedule or with respect to the amendment of the Rights Agreement (as described
in Section 3.1(u)) or as specifically contemplated by this Agreement, during the
period from the date of this Agreement to the earlier of the termination of this
Agreement pursuant to its terms or the Effective Time, the Company shall not
without Parent's consent:

                           (i) (x) declare, set aside or pay any dividends on,
or make any other distributions (whether in cash, stock or property), in respect
of, any of its capital stock, (y) split, combine or reclassify any of its
capital stock or issue or authorize the issuance of any other securities in
respect of, in lieu of or in substitution for shares of its capital stock (other
than the issuance of shares of Company Common Stock upon the exercise of Stock
Options outstanding on the date of this Agreement, pursuant to the Outside
Directors Compensation Plan of 2000 or pursuant to the Employee Stock Purchase
Plan and in accordance with their respective present terms, or as contemplated
by Section 5.6) or (z) purchase, redeem or otherwise acquire any shares of
capital stock of the Company or any other securities thereof or any rights,
warrants or options to acquire any such shares or other securities;

                           (ii) issue, deliver, sell, pledge or otherwise
encumber any shares of its capital stock, any other voting securities or any
securities convertible into, or any rights, warrants or options to acquire, any
such shares, voting securities or convertible securities (other than the
issuance of shares of Company Common Stock upon the exercise of Stock Options
outstanding on the date of this Agreement and in accordance with their present
terms or as contemplated by Section 5.6 or pursuant to the Outside Directors
Compensation Plan of 2000 and the Employee Stock Purchase Plan in accordance
with their respective present terms);

                                      -31-
<PAGE>   36
                  (iii) amend its Articles of Organization, By-Laws or other
comparable charter or organizational documents;

                  (iv) acquire or agree to acquire (x) by merging or
consolidating with, or by purchasing a substantial portion of the assets of, or
by any other manner, any business or any corporation, partnership, joint
venture, association or other business organization or division thereof or (y)
any asset or assets which, individually, is in excess of $1,000,000 or, in the
aggregate, are in excess of $2,000,000, except purchases of inventory in the
ordinary course of business and except for capital expenditures (which are
covered in clause (vii) below);

                  (v) sell, lease, license, mortgage or otherwise encumber or
otherwise dispose of any material portion of its properties or assets, except
sales made in the ordinary course of business consistent with past practice,
dispositions of obsolete or worthless assets and except for subjecting any of
its properties to Company Permitted Liens;

                  (vi) (y) incur any additional indebtedness for borrowed money
or guarantee any such indebtedness of another person (other than guarantees of
bank debt of its subsidiaries), issue or sell any debt securities or warrants or
other rights to acquire any debt securities of the Company, guarantee any debt
securities of another person, enter into any "keep well" or other agreement to
maintain any financial statement condition of another person or enter into any
arrangement having the economic effect of any of the foregoing, except for
additional short-term borrowings incurred in the ordinary course of business
consistent with past practice or (z) make any additional loans, advances or
capital contributions to, or investments in, any other person, other than
extensions of credit to customers and advances to employees, in each case in the
ordinary course of business consistent with past practice;

                  (vii) except for the items listed on Schedule 4.1(a)(vii) to
the Company Disclosure Schedule or amounts set forth in the Company's fiscal
2000 operating and capital budgets (copies of which have been provided to
Parent), make or agree to make any new capital expenditure or expenditures
which, individually, is in excess of $1,000,000 or, in the aggregate, are in
excess of $2,000,000;

                  (viii) except in the ordinary course of business, discharge,
settle or satisfy any claims, whether or not pending before a Governmental
Entity, that individually or in the aggregate have a material adverse effect on
the Company other than claims or liabilities adequately reflected or reserved
against in the financial statements included in the Filed Company SEC Documents,
or waive any material benefits of, or agree to modify in any materially adverse
respect any confidentiality, standstill or similar agreements to which the
Company is a party;

                  (ix) except in the ordinary course of business, modify, amend
or terminate any material contract or agreement to which the Company is a party
or waive, release or assign any material rights or claims thereunder, in any
such case in a manner adverse to the Company;


                                      -32-
<PAGE>   37
                  (x) enter into any contracts, agreements, binding arrangements
or binding understandings relating to the distribution, sale, license or
marketing by third parties of the Company's products, except in the ordinary
course of business and other than pursuant to any such agreements currently in
place in accordance with their terms as of the date hereof;

                  (xi) except as required to comply with applicable law or as
expressly contemplated by this Agreement or set forth in the Company Disclosure
Statement and except in the ordinary course of business, (A) adopt, enter into,
terminate or amend any collective bargaining agreement or Benefit Plan for the
benefit or welfare of any current or former employee, officer or director, (B)
increase in any manner the compensation or fringe benefits of, or pay any bonus
to, any director, officer or employee (except for normal increases of cash
compensation or cash bonuses in the ordinary course of business consistent with
past practice), (C) pay any benefit not provided for under any Benefit Plan or
any other benefit plan or arrangement of the Company, (D) increase in any manner
the severance or termination pay of any officer, (E) enter any employment,
consulting, severance, termination or indemnification agreement, arrangement or
understanding with any current or former employee, officer or director, (F)
except as permitted in clause (B) and clause 4.1(a)(ii), grant any awards under
any bonus, incentive, performance or other compensation plan or arrangement or
Benefit Plan (including the grant of stock options, stock appreciation rights,
stock based or stock related awards, performance units or restricted stock or
the removal of existing restrictions in any Benefit Plans or agreements or
awards made thereunder) or (G) take any action to fund or in any other way
secure the payment of compensation or benefits under any employee plan,
agreement, contract or arrangement or Benefit Plan;

                  (xii) form any subsidiary to the Company;

                  (xiii) except as required by GAAP, make any change in
accounting methods, principles or practices; or

                  (xiv) authorize any of, or commit or agree to take any of, the
foregoing actions.

         (b) Certain Tax Matters. From the date hereof until the earlier of the
termination of this Agreement pursuant to its terms or the Effective Time, (i)
the Company will file all tax returns and reports ("Post-Signing Returns")
required to be filed by it (after taking into account any extensions); (ii) the
Company will timely pay all taxes due and payable with respect to such
Post-Signing Returns that are so filed; (iii) the Company will accrue a reserve
in its books and records and financial statements in accordance with past
practice for all taxes payable by the Company for which no Post-Signing Return
is due prior to the Effective Time; (iv) the Company will promptly notify Parent
of any action, suit, proceeding, claim or audit (collectively, "Actions")
pending against or with respect to the Company in respect of any tax where there
is a reasonable possibility of a determination or decision which would have a
material adverse effect on the Company's tax liabilities or tax attributes and
will not settle or compromise any such Action except to the extent the amount of
any such settlement has been reserved for in the financial statements included
in the Filed

                                      -33-
<PAGE>   38
Company SEC Documents without Parent's consent; and (v) the Company will not
make any material tax election inconsistent with past practice without Parent's
consent.

         (c) Conduct of Business by Parent. During the period from the date of
this Agreement to the earlier of the termination of this Agreement pursuant to
its terms or the Effective Time, Parent shall carry on its businesses in the
ordinary course consistent with the manner as heretofore conducted and, to the
extent consistent therewith, use commercially reasonable efforts to preserve
intact its current business organization and preserve its relationships with
customers, suppliers, licensors, licensees, distributors and others having
business dealings with it. Without limiting the generality of the foregoing,
during the period from the date of this Agreement to the earlier of the
termination of this Agreement pursuant to its terms or the Effective Time,
Parent shall not without the Company's consent:

                  (i) (x) declare, set aside or pay any dividends on, or make
any other distributions (whether in cash, stock or property) in respect of, any
of its capital stock, (y) split, combine or reclassify any of its capital stock
or issue or authorize the issuance of any other securities in respect of, in
lieu of or in substitution for shares of its capital stock, or (z) except as set
forth in Section 3.2(c) of the Parent/Sub Disclosure Schedule, purchase, redeem
or otherwise acquire any shares of capital stock of the Company or any other
securities thereof or any rights, warrants or options to acquire any such shares
or other securities;

                  (ii) amend its Certificate of Incorporation, Bylaws or other
comparable charter or organization documents; or

                  (iii) acquire or agree to acquire by merging or consolidating
with, or by purchasing a substantial portion of the assets of, or by any other
manner, any business or any corporation, partnership, joint venture, association
or other business organization or division thereof, except that this Section
4.1(c)(iii) shall not prohibit Parent from effecting an acquisition of any other
business if (A) such acquisition would not materially affect the ability of
Parent to, or would materially delay Parent's ability to, complete the
transactions contemplated by this Agreement; (B) such acquisition would involve
the issuance by Parent of equity securities and, when considered together with
all other acquisitions effected by Parent during the period between the date
hereof and the Effective Time, would not involve the issuance of more than
10,000,000 shares of Parent's capital stock or securities convertible into or
exercisable for more than 10,000,000 shares of Parent's capital stock; (C) such
acquisition does not require the filing by Parent of a registration statement
under the Securities Act, other than a resale or similar registration statement
on Form S-3 which Parent will not file until the SEC has either declared the
Form S-4 registration statement to be filed pursuant to Section 5.1(a) effective
or advised Parent that such registration statement will not be reviewed by the
SEC's staff; and (D) such acquisition does not require approval of the
stockholders of Parent;

                  (iv) issue, deliver, sell, pledge or otherwise encumber any
shares of its capital stock, any other voting securities or any securities
convertible into, or any rights, warrants or options to acquire, any such
shares, voting securities or convertible securities (other than pursuant to


                                      -34-
<PAGE>   39
stock option plans, employee stock purchase plans and convertible indebtedness
in effect as of the date of this Agreement, or pursuant to acquisitions of
businesses involving the issuance by Parent of less than 10,000,000 shares in
the aggregate for all such acquisitions under the terms set forth above);

                  (v) sell, lease, license, mortgage or otherwise encumber or
subject to any Lien or otherwise dispose of any substantial part of its (or any
of its subsidiaries') material properties, assets or business, except sales made
in the ordinary course of business consistent with past practice and except for
subjecting any of its properties to Parent Permitted Liens;

                  (vi) make any material payments outside the ordinary course of
business for purposes of settling any dispute;

                  (vii) allow Parent or any of its subsidiaries, or any
significant portion of their respective businesses or assets, to be acquired (by
merger, tender offer, purchase or otherwise); or

                  (viii) authorize any of, or commit or agree to take any of,
the foregoing actions.

      SECTION 4.2 No Solicitation. During the period from the date of this
Agreement until the earlier of termination of this Agreement pursuant to its
terms or the Effective Time, the Company agrees that:

         (a) The Company shall not, nor shall it authorize or permit any of its
officers, directors or employees or any investment banker, attorney or other
advisor or representative retained by it to, directly or indirectly, (i)
solicit, initiate or knowingly encourage the submission of any Takeover Proposal
(as hereinafter defined) or (ii) participate in any discussions or negotiations
regarding, or furnish to any person (other than Parent) that has advised the
Company that it may be considering making, or that has made, a Takeover
Proposal, any nonpublic information with respect to, or take any other action to
knowingly facilitate any inquiries or the making of any proposal that
constitutes, or may reasonably be expected to lead to, any Takeover Proposal;
provided, however, (and notwithstanding anything in this Agreement) that if, at
any time prior to the Effective Time the Board of Directors of the Company
determines in good faith, after consultation with outside counsel, (i) that
complying with the provisions of the preceding sentence would not be in
compliance with, or would create a substantial risk of liability for breach of,
its fiduciary duties to the Company's stockholders under applicable law and (ii)
that such Takeover Proposal constitutes a Superior Proposal (as hereinafter
defined), the Company may, in response to a Takeover Proposal that was
unsolicited or that did not otherwise result from a breach of this Section
4.2(a), and subject to compliance with Section 4.2(c), (x) furnish information
with respect to the Company to any person pursuant to a customary and reasonable
confidentiality agreement and (y) participate in negotiations regarding such
Takeover Proposal and (z) take such other actions as are consistent with the
fiduciary duties of the Company's Board of Directors, and such actions shall not
be considered a breach of this Section 4.2 or any other provisions of this
Agreement. Without limiting the foregoing, it is

                                      -35-
<PAGE>   40
understood that any violation of the restrictions set forth in the preceding
sentence by any officer, director or employee of the Company or any investment
banker, attorney or other advisor or representative of the Company, acting on
behalf of the Company, shall be deemed to be a breach of this Section 4.2(a) by
the Company. For purposes of this Agreement, "Takeover Proposal" means any
inquiry, proposal, solicitation of interest or offer from any person (other than
Parent) relating to any direct or indirect acquisition or purchase of a
substantial amount of assets of the Company (other than products of the Company)
or at least 20% interest in the total voting securities of the Company or any
tender offer or exchange offer that if consummated would result in any person
beneficially owning 20% or more of any class of equity securities of the Company
or any merger, consolidation, business combination, sale of substantially all
assets, recapitalization, liquidation, dissolution or similar transaction
involving the Company, other than the transactions contemplated by this
Agreement, the Option Agreement or the Stockholders Agreement.

         (b) Except as expressly permitted by this Section 4.2, neither the
Board of Directors of the Company nor any committee thereof shall (i) withdraw
or modify, or propose to withdraw or modify, in a manner adverse to Parent or
Sub, the approval or recommendation by such Board of Directors or any such
committee of this Agreement or the Merger, (ii) approve or recommend, or propose
to approve or recommend, any Takeover Proposal or (iii) cause the Company to
enter into any letter of intent, agreement in principle, acquisition agreement
or other similar agreement (an "Acquisition Agreement") with respect to any
Takeover Proposal. Notwithstanding the foregoing, prior to the Effective Time,
the Board of Directors of the Company, to the extent it determines in good
faith, after consultation with outside legal counsel, that complying with any of
the provisions of the preceding sentence would not be in compliance with, or
would create a substantial risk of liability for breach of, its fiduciary duties
to the Company's stockholders under applicable law, may withdraw or modify its
approval or recommendation of this Agreement or the Merger or approve or
recommend any Superior Proposal (as hereinafter defined), in each case at any
time after the third business day following Parent's receipt of written notice
(a "Notice of Superior Proposal") advising Parent that the Board of Directors of
the Company has received a Superior Proposal, specifying the identity of the
person making the Takeover Proposal and the material terms and conditions of the
Superior Proposal (it being understood that any amendment to the price or
material terms of a Superior Proposal shall require an additional Notice of
Superior Proposal and an additional three business day period thereafter to the
extent permitted under applicable law). In addition, prior to the Effective
Time, the Board of Directors of the Company, to the extent it determines in good
faith, after consultation with outside legal counsel, that failure to do so
would not be in compliance with, or would create a substantial risk of liability
for breach of, its fiduciary duties to the Company's stockholders under
applicable law, may cause the Company to terminate this Agreement in accordance
with Section 7.1(b)(iv) (and concurrently with or after such termination, if it
so chooses, cause the Company to enter into an Acquisition Agreement with
respect to a Superior Proposal), and such actions shall not constitute a breach
of this Section 4.2 or any other provision of this Agreement, provided that the
Company pays the Termination Fee pursuant to Section 5.8(b). For purposes of
this Agreement, a "Superior Proposal" means any bona fide proposal made by a
third party to acquire (whether by merger, consolidation, tender offer or
otherwise), directly or indirectly, for consideration consisting of cash and/or
equities, more than 50% of the voting power of the

                                      -36-
<PAGE>   41
Company Common Stock or all or substantially all the assets of the Company and
otherwise on terms which the Board of Directors of the Company determines in its
good faith judgment (after consultation with a financial advisor of nationally
recognized reputation) to be more favorable to the Company's stockholders than
the Merger and for which financing, to the extent required, is then committed or
which, in the good faith judgment of the Board of Directors of the Company, is
capable of being obtained by such third party.

         (c) In addition to the obligations of the Company set forth in
paragraphs (a) and (b) of this Section 4.2, the Company promptly shall advise
Parent orally and in writing of any request for nonpublic information which the
Company reasonably believes could lead to a Takeover Proposal or of any Takeover
Proposal, or any inquiry with respect to or which the Company reasonably
believes could lead to any Takeover Proposal, and the material terms and
conditions of such request, Takeover Proposal or inquiry and the Company will
keep Parent promptly informed in all material respects of the status and details
(including amendments or proposed amendments) of any such Takeover Proposal or
inquiry.

         (d) Nothing contained in this Section 4.2 or elsewhere in this
Agreement shall prohibit the Company from (i) taking and disclosing to its
stockholders a position contemplated by Rules 14d-9 and 14e-2(a) promulgated
under the Exchange Act or (ii) making any disclosure to the Company's
stockholders if, in the good faith judgment of the Board of Directors of the
Company, after consultation with outside counsel, failure to so take and
disclose would not be in compliance with, or would create a substantial risk of
liability for breach of, its fiduciary duties to the Company's stockholders
under applicable laws; provided that the Company shall not, except in accordance
with the provisions of Section 4.2(b), withdraw or modify, or propose to
withdraw or modify, its recommendation of the Merger or approve or recommend, or
propose to approve or recommend, a Takeover Proposal.

                                   ARTICLE V

                              Additional Agreements

      SECTION 5.1 Preparation of the Form S-4 and the Proxy Statement;
Stockholders Meeting.

         (a) Unless this Agreement is earlier terminated pursuant to its terms,
as soon as practicable following the date of this Agreement, the Company and
Parent shall prepare and the Company shall file with the SEC the Proxy Statement
and Parent shall prepare and file with the SEC the Form S-4, in which the Proxy
Statement will be included as a prospectus. Each of the Company and Parent shall
use all reasonable efforts to have the Form S-4 declared effective under the
Securities Act as promptly as practicable after such filing. The Company will
use its reasonable efforts to cause the Proxy Statement to be mailed to the
Company's stockholders as promptly as practicable after the Form S-4 is declared
effective under the Securities Act. Parent shall also take any action (other
than qualifying to do business in any jurisdiction in which it is not now so


                                      -37-
<PAGE>   42
qualified) required to be taken under any applicable state securities laws in
connection with the issuance of Parent Common Stock in the Merger and under the
Stock Option Plans. Each of Parent and the Company shall furnish all information
concerning itself to the other as may be reasonably requested in connection with
any such action and the preparation, filing and distribution of the Proxy
Statement.

         (b) Unless this Agreement is earlier terminated pursuant to its terms,
the Company will, as soon as practicable following the date of this Agreement,
establish a record date (which will be as soon as practicable following the date
of this Agreement) for, duly call, give notice of, convene and hold a meeting of
its stockholders (the "Stockholders Meeting") for the purpose of obtaining the
approval and adoption of this Agreement ("Stockholder Approval"). The Company
will, through its Board of Directors, recommend to its stockholders approval and
adoption of this Agreement, except to the extent that the Board of Directors of
the Company shall have withdrawn or modified its approval or recommendation of
this Agreement or the Merger as permitted by Section 4.2(b).

      SECTION 5.2 Letters of the Company's Accountants

         (a) The Company shall use its reasonable efforts to cause to be
delivered to Parent two comfort letters from Arthur Andersen LLP, the Company's
independent public accountants, one dated a date within two business days before
the date on which the Form S-4 shall become effective and one dated a date
within two business days before the Closing Date, each addressed to Parent, in
form and substance reasonably customary for transactions effected pursuant to a
registration statement on Form S-4.

         (b) The Company shall use its reasonable efforts to cause to be
delivered to Parent a letter from Arthur Andersen LLP, addressed to Parent and
the Company, dated as of the Closing Date, stating that (i) Arthur Andersen LLP
concurs with management's conclusion that, as of such date, no conditions exist
with respect to the Company which would preclude accounting for the Merger as a
pooling of interests transaction under Opinion 16 of the Accounting Principles
Board and applicable SEC rules and regulations and (ii) the basis for such a
concurrence is Arthur Andersen LLP's belief that the criteria (as such criteria
relate to the Company and not Parent) for such accounting treatment have been
met.

      SECTION 5.3 Letters of Parent's Accountants.

         (a) Parent shall use reasonable efforts to cause to be delivered to the
Company two comfort letters from Arthur Andersen LLP, Parent's independent
public accountants, one dated a date within two business days before the date on
which the Form S-4 shall become effective and one dated a date within two
business days before the Closing Date, each addressed to the Company, in form
and substance reasonably customary for transactions effected pursuant to a
registration statement on Form S-4.

         (b) Parent shall use its reasonable efforts to cause to be delivered to
the Company a letter from Arthur Andersen LLP, addressed to the Company and
Parent, dated as of the Closing

                                      -38-
<PAGE>   43
Date, stating that (i) Arthur Andersen LLP concurs with management's conclusion
that, as of such a date, no conditions exist which would preclude accounting for
the Merger as a pooling of interests transaction under Opinion 16 of the
Accounting Principles Board and applicable SEC rules and regulations and (ii)
the basis for such a concurrence is Arthur Andersen LLP's belief that the
criteria (as such criteria relates to the Parent and not to the Company) for
such accounting treatment have been met.

      SECTION 5.4 Access to Information; Confidentiality. Upon reasonable prior
notice, the Company shall afford to Parent, and to Parent's officers, employees,
accountants, counsel, financial advisors and other representatives, reasonable
access during normal business hours during the period prior to the Effective
Time or the termination of this Agreement to all its properties, books,
contracts, commitments, personnel and records and, during such period, the
Company shall make available to Parent to the full extent and in the manner
permitted by law (a) a copy of each report, schedule, registration statement and
other document filed by it during such period pursuant to the requirements of
Federal or state securities laws and (b) all other information concerning its
business, properties and personnel as Parent may reasonably request, unless
terms of an agreement prohibit disclosure to third parties; provided, however,
that (i) Parent shall not contact, and Parent shall ensure that none of its
officers, employees, accountants, counsel, financial advisors or other
representatives contacts, any employee of the Company or any of its subsidiaries
without the prior authorization of the Company's Chief Executive Officer, Vice
President and General Counsel or Chief Financial Officer, and (ii) Parent shall
take all reasonable action to ensure that none of its employees, accountants,
counsel, financial advisors and other representatives interferes with or
otherwise disrupts the business or operations of the Company while exercising
the rights provided under this Section 5.4. Parent shall afford to the Company,
and to the Company's officers, employees, accountants, counsel, financial
advisors and other representatives, reasonable access during normal business
hours during the period prior to the Effective Time or the termination of this
Agreement to all its properties, books, contracts, commitments, personnel and
records and, during such period, Parent shall make available to the Company (a)
a copy of each report, schedule, registration statement and other document filed
by it during such period pursuant to the requirements of Federal or state
securities laws and (b) all other information concerning its business,
properties and personnel as the Company may reasonably request, unless terms of
an agreement prohibit disclosure to third parties; provided, however, that (i)
the Company shall not contact, and the Company shall ensure that none of its
officers, employees, accountants, counsel, financial advisors or other
representatives contacts, any employee of Parent or any of its subsidiaries
without the prior authorization of Parent's Chief Executive Officer, Chief
Operating Officer or Chief Financial Officer, and (ii) the Company shall take
all reasonable action to ensure that none of its employees, accountants,
counsel, financial advisors or other representatives interferes with or
otherwise disrupts the business or operations of Parent while exercising the
rights provided under this Section 5.4. Parent and the Company will each hold,
and will cause each of its officers, employees, accountants, counsel, financial
advisors and other representatives and affiliates to hold, any and all
information received from the other party, directly or indirectly, in
confidence, in accordance with the Confidentiality Agreement dated as of April
3, 2000 between Parent and the Company (as it may be amended from time to time,
the "Confidentiality Agreement").


                                      -39-
<PAGE>   44
      SECTION 5.5 Commercially Reasonable Efforts; Notification.

         (a) Upon the terms and subject to the conditions set forth in this
Agreement, each of the parties agrees to use all commercially reasonable efforts
to take, or cause to be taken, all actions, and to do, or cause to be done, and
to assist and cooperate with the other parties in doing, all things necessary,
proper or advisable to consummate and make effective, in the most expeditious
manner practicable, the Merger and the other transactions contemplated by this
Agreement, including (i) the obtaining of all necessary actions or nonactions,
waivers, consents and approvals from Governmental Entities and the making of all
necessary registrations and filings (including filings with Governmental
Entities, if any) and the taking of all commercially reasonable steps as may be
necessary to avoid an action or proceeding by any Governmental Entity, (ii) the
obtaining of all necessary consents, approvals or waivers from third parties,
(iii) the defending of any lawsuits or other legal proceedings, whether judicial
or administrative, challenging this Agreement or the consummation of the
transactions contemplated hereby, including seeking to have any stay or
temporary restraining order entered by any court or other Governmental Entity
vacated or reversed and (iv) the execution and delivery of any additional
instruments necessary to consummate the transactions contemplated by, and to
fully carry out the purposes of, this Agreement, except that the Company need
not take any action under this Agreement if the Company's Board of Directors
determines, in consultation with outside counsel, that to do so would not be in
compliance with its fiduciary duties. In connection with and without limiting
the foregoing, the Company and its Board of Directors shall, if any state
takeover statute or similar statute or regulation is or becomes applicable to
the Merger, this Agreement, the Option Agreement, the Stockholders Agreement or
any other transactions contemplated by this Agreement, the Option Agreement or
the Stockholders Agreement, use all reasonable efforts to ensure that the Merger
and the other transactions contemplated by this Agreement may be consummated as
promptly as practicable on the terms contemplated by this Agreement and
otherwise to minimize the effect of such statute or regulation on the Merger,
this Agreement, the Option Agreement, the Stockholders Agreement and the other
transactions contemplated by this Agreement, the Option Agreement or the
Stockholders Agreement. Nothing in this Agreement shall be deemed to require
Parent or the Company or their respective subsidiaries to dispose of any
significant asset or collection of assets or to take or agree to take any action
or agree to any limitation that could reasonably be expected to have a material
adverse effect on Parent or the Company.

         (b) The Company shall give prompt notice to Parent, when and if it has
knowledge, of (i) any representation or warranty made by it contained in this
Agreement becoming untrue or inaccurate such that the condition set forth in
Section 6.2(a) would not be satisfied; provided, however, that no such
notification shall affect the representations, warranties, covenants or
agreements of the parties or the conditions to the obligations of the parties
under this Agreement.

         (c) Parent shall give prompt notice to the Company, when and if it has
knowledge, of (i) any representation or warranty made by it or Sub contained in
this Agreement becoming untrue or inaccurate such that the condition set forth
in Section 6.3 (a) would not be satisfied; provided,

                                      -40-
<PAGE>   45
however, that no such notification shall affect the representations, warranties,
covenants or agreements of the parties or the conditions to the obligations of
the parties under this Agreement.

      SECTION 5.6 Stock Options and Restricted Stock.

         (a) It is acknowledged that, in connection with the Merger, the
Company's Stock Option Plans provide for the acceleration prior to the Effective
Time of each unvested option to purchase shares of Company Common Stock
("Company Options") granted thereunder and the lapse prior to the Effective Time
of all restrictions on restricted shares of Company Common Stock issued
thereunder. At the Effective Time, the Stock Option Plans and the Company's
obligations with respect to each Company Option under the Stock Option Plans
will be assumed by Parent. Each Company Option so assumed by Parent under this
Agreement shall continue to have, and be subject to, the same terms and
conditions set forth in the Stock Option Plan and the documents governing the
outstanding Company Option under such Stock Option Plan pursuant to which such
Company Option was issued, as in effect immediately prior to the Effective Time,
except that (i) such Company Option will be exercisable for that number of whole
shares of Parent Common Stock equal to the product of the number of shares of
Company Common Stock that were issuable upon exercise of such Company Option
immediately prior to the Effective Time multiplied by the Exchange Ratio,
rounded down to the nearest whole number of shares of Parent Common Stock, and
(ii) the per share exercise price for the shares of Parent Common Stock issuable
upon exercise of such assumed Company Option will be equal to the quotient
determined by dividing the exercise price per share of Company Common Stock at
which such Company Option was exercisable immediately prior to the Effective
Time by the Exchange Ratio, and rounding the resulting exercise price up to the
nearest whole cent.

         (b) After the Effective Time, Parent will issue to each person who,
immediately prior to the Effective Time, was a holder of an outstanding Company
Option, a document evidencing the foregoing assumption of such Company Option
and Stock Option Plans by Parent.

         (c) Parent will reserve sufficient shares of Parent Common Stock for
issuance under this Section 5.6 hereof.

      SECTION 5.7 Indemnification and Insurance.

         (a) From and after the Effective Time, Parent will cause the Surviving
Corporation to fulfill and honor in all respects the obligations of the Company
pursuant to (i) each indemnification agreement currently in effect between the
Company and each person who is or was a director, officer, employee, agent or
fiduciary of the Company or any of its subsidiaries at or prior to the Effective
Time and (ii) any indemnification provision under the Company's Articles of
Organization or By-Laws as each is in effect on the date hereof (the persons to
be indemnified pursuant to the agreements or provisions referred to in clauses
(i) and (ii) of this Section 5.7(a) shall be referred to as, collectively, the
"Indemnified Parties"). The Articles of Organization and By-Laws of the
Surviving Corporation shall contain the provisions with respect to
indemnification and exculpation from liability set forth in the Company's
Articles of Organization and By-Laws on the date of this

                                      -41-
<PAGE>   46
Agreement, which provisions shall not be amended, repealed or otherwise modified
for a period of six years after the Effective Time in any manner that would
adversely affect the rights thereunder of any Indemnified Party.

         (b) Without limiting the provisions or effect of Section 5.7(a), after
the Effective Time Parent will, to the fullest extent permitted under applicable
law, indemnify and hold harmless each Indemnified Party against and from any
costs or expenses (including reasonable attorneys' fees), judgments, fines,
losses, claims, damages, liabilities and amounts paid in settlement in
connection with any claim, action, suit, proceeding or investigation, whether
civil, criminal, administrative or investigative, to the extent arising out of
or pertaining to any action or omission or alleged action or omission in his or
her capacity as a director, officer, employee, agent or fiduciary of the Company
or any of its subsidiaries (regardless of whether such action or omission, or
alleged action or omission, occurred prior to, on or after the Effective Time)
or arising out of or pertaining to this Agreement or the transactions
contemplated by this Agreement (collectively, "Losses") for a period of six
years after the Effective Time; provided, however, that if, at any time prior to
the sixth anniversary of the Effective Time, any Indemnified Party delivers to
Parent a written notice asserting a claim for indemnification under this Section
5.7(b), then the claim asserted in such notice shall survive the sixth
anniversary of the Effective Time until such time as such claim is fully and
finally resolved. If any such claim, action, suit, proceeding or investigation
shall have been brought against an Indemnified Party and if Parent shall have
acknowledged in writing to the Indemnified Party that Parent will indemnify the
Indemnified Party pursuant to this Section 5.7(b) for all Losses arising out of
such claim, action, suit, proceeding or investigation, then Parent shall be
entitled to participate therein, and to assume the defense thereof, and to
settle and compromise any such claim, action, suit, proceeding or investigation
(so long as the Indemnified Party is completely and unconditionally released and
has no continuing obligations or prohibitions imposed on him or her by contract,
by judicial or administrative order or decree or otherwise). If Parent does not
acknowledge its obligation to indemnify for all such Losses or does not elect to
assume the defense, settlement or compromise thereof, in each case pursuant to
the preceding sentence, then Parent shall nevertheless have the right to
participate in the defense of any such claim, action, suit, proceeding or
investigation and to consent in writing (not to be unreasonably withheld or
delayed) to any settlement or compromise thereof, but such defense and any
settlement or compromise thereof shall at all times be under the direction of
the Indemnified Person. In the event of any such claim, action, suit, proceeding
or investigation (i) any counsel retained by the Indemnified Parties must be
reasonably satisfactory to Parent, and (ii) after the Effective Time, Parent
will pay the reasonable fees and expenses of one such counsel for all
Indemnified Parties (it being agreed that more than one such counsel may be
retained and paid for by Parent if counsel for one of the Indemnified Parties
reasonably concludes under applicable standards of professional conduct that a
conflict of interest may exist), promptly after statements therefor are
received.

         (c) For six years after the Effective Time, Parent shall maintain in
effect the current level and scope of the Company's directors' and officers'
liability insurance covering those persons (currently or formerly connected with
the Company) who are currently covered by the Company's directors' and officers'
liability insurance policy; provided, however, that in no event shall Parent be


                                      -42-
<PAGE>   47
required to expend in any one year an amount in excess of 150% of the annual
premium currently paid by the Company for such insurance, and provided further
that if the annual premiums of such insurance coverage exceed such amount,
Parent shall be obligated to obtain a policy with the greatest coverage
available for a cost not exceeding such amount.

         (d) Parent and the Surviving Corporation jointly and severally agree to
pay all expenses, including attorneys' fees, that may be incurred by the
Indemnified Parties in enforcing the indemnity and other obligations provided
for in this Section 5.7.

         (e) This Section 5.7 shall survive the consummation of the Merger at
the Effective Time, is intended to benefit and may be enforced by the Company,
Parent, the Surviving Corporation and the Indemnified Parties, and shall be
binding on all successors and assigns of Parent and the Surviving Corporation.
This Section 5.7 may not be amended, altered or repealed without the prior
written consent of the affected Indemnified Party.

      SECTION 5.8 Fees and Expenses.

         (a) Except as set forth in Section 5.8(b), all fees and expenses
incurred in connection with the Merger, this Agreement and the transactions
contemplated by this Agreement shall be paid by the party incurring such fees or
expenses, whether or not the Merger is consummated, except that expenses
incurred in connection with printing and mailing the Proxy Statement and the
Form S-4 shall be shared equally by Parent and the Company.

         (b) In the event that this Agreement is terminated by any party hereto
pursuant to Section 7.1(b)(iv), the Company shall promptly, but in no event
later than two days after the date of such termination, pay Parent a fee equal
to $23.87 million in immediately available funds by wire transfer (the
"Termination Fee"). If, at the time of any termination of this Agreement by any
party hereto pursuant to Section 7.1(b)(i) (to the extent the Company has
theretofore failed to hold the Stockholders Meeting in breach of its obligations
under Section 5.1), 7.1(b)(iii) or 7.1(c), a Takeover Proposal shall have been
publicly announced and not publicly withdrawn and prior to the date 12 months
following the date of the termination of this Agreement the Company shall either
(x) consummate a Company Acquisition (as hereinafter defined) or (y) enter into
a written Acquisition Agreement providing for a Company Acquisition, then the
Company shall pay the Termination Fee in the case of clause (x) concurrently
with the consummation of such Company Acquisition or in the case of clause (y)
concurrently with the consummation of the transaction subject to such
Acquisition Agreement (whether or not such transaction is consummated prior to
the date 12 months following the date of the termination of this Agreement, but
only in the event that such transaction subject to such Acquisition Agreement is
in fact consummated). The Company acknowledges that the agreements contained in
this Section 5.8(b) are an integral part of the transactions contemplated by
this Agreement, and that, without these agreements, Parent would not enter into
this Agreement; accordingly, if the Company fails promptly to pay the amounts
due pursuant to this section 5.8(b), and, in order to obtain such payment,
Parent commences a suit which results in a judgment against the Company for the
amounts set forth in this Section 5.8(b), the Company shall pay to Parent its
reasonable costs and expenses (including attorneys' fees and

                                      -43-
<PAGE>   48
expenses) in connection with such suit, together with interest on the amounts
set forth in this Section 5.8(b) at the prime rate of Bank of America N.T. &
S.A. in effect on the date such payment was required to be made. "Company
Acquisition" shall mean any transaction or series of related transactions
involving (a) a merger, consolidation, business combination, recapitalization,
liquidation, dissolution or similar transaction involving the Company pursuant
to which the shareholders of the Company immediately preceding such transaction
or series of related transactions hold less than 60% of the equity interests in
the surviving or resulting entity of such transaction or transactions (other
than the transactions contemplated by this Agreement); (b) a sale by the Company
of assets (excluding inventory and used equipment sold in the ordinary course of
business) representing in excess of 40% of the fair market value of the
Company's business immediately prior to such sale; or (c) the acquisition by any
person or group (including without limitation by way of a tender offer or an
exchange offer or issuance by the Company), directly or indirectly, of
beneficial ownership or a right to acquire beneficial ownership of 40% or more
of the then outstanding shares of capital stock of the Company.

         (c) In the event that the Closing of the Merger does not occur due to
the willful and intentional acts of Parent which are in contravention of this
Agreement, the Parent will promptly, but in no event later than two days after
the date of termination of this Agreement, pay Company a fee equal to $23.87
million in cash in immediately available funds (the "Parent Fee"). The Parent
acknowledges that the agreements contained in this Section 5.8(b) are an
integral part of the transactions contemplated by this Agreement, and that,
without these agreements, the Company would not enter into this Agreement;
accordingly, if the Parent fails promptly to pay the amounts due pursuant to
this Section 5.8(b), and, in order to obtain such payment, Company commences a
suit which results in a judgment against the Parent for the amounts set forth in
this Section 5.8(b), the Parent shall pay to Company its reasonable costs and
expenses (including attorneys' fees and expenses) in connection with such suit,
together with interest on the amounts set forth in Section 5.8(b) at the prime
rate of Bank of America N.T. & S.A. in effect on the date such payment was
required to be made.

      SECTION 5.9 Public Announcements. Parent and Sub, on the one hand, and the
Company, on the other hand, will, to the extent reasonably practicable, consult
with each other before issuing, and give each other the opportunity to review
and comment upon, any press release or other public statements with respect to
the transactions contemplated by this Agreement, including the Merger, and shall
not issue any such press release or make any such public statement prior to such
consultation, except as may be required by applicable law, court process or by
obligations pursuant to any listing agreement with any national securities
exchange or national securities quotation system. The parties agree that the
initial press release to be issued with respect to the transactions contemplated
by this Agreement shall be in the form heretofore agreed to by the parties.

      SECTION 5.10 Affiliates.

         (a) Section 5.10(a) of the Company Disclosure Schedule identifies a
list of all persons who are, in the Company's reasonable judgment, at the time
this Agreement is submitted for

                                      -44-
<PAGE>   49
approval to the stockholders of the Company, "affiliates" of the Company for
purposes of Rule 145 under the Securities Act or for purposes of qualifying the
Merger for pooling of interests accounting treatment under Opinion 16 of the
Accounting Principles Board and applicable SEC rules and regulations. The
Company shall use its reasonable efforts to cause each such person to deliver to
Parent on or prior to the Closing Date a written agreement substantially in the
form attached as Exhibit A hereto.

         (b) Section 5.10(b) of the Parent/Sub Disclosure Schedule identifies a
list of all persons who are, in Parent's reasonable judgment at the time this
Agreement is submitted for approval to the stockholders of the Company,
"affiliates" of Parent for purposes of qualifying the Merger for pooling of
interests accounting treatment under Opinion 16 of the Accounting Principles
Board and applicable SEC rules and regulations. Parent shall use its reasonable
efforts to cause each such person to deliver to the Company on or prior to the
Closing Date a written agreement to comply with Section 3 of Exhibit A hereto.

      SECTION 5.11 Nasdaq Listing. Parent shall cause the shares of Parent
Common Stock to be issued in the Merger and under the Stock Option Plans to be
approved for listing on the Nasdaq Stock Market National Market, subject to
official notice of issuance, prior to the Closing Date.

      SECTION 5.12 Pooling of Interests. Each of the Company and Parent will use
reasonable efforts to cause the transactions contemplated by this Agreement,
including the Merger, to be accounted for as a pooling of interests under
Opinion 16 of the Accounting Principles Board and applicable SEC rules and
regulations, and such accounting treatment to be accepted by each of the
Company's and Parent's independent public accountants, and by the SEC,
respectively, and each of the Company and Parent agrees that it will voluntarily
take no action that would cause (to its knowledge after consultation with its
independent public accountants) such accounting treatment not to be obtained.

      SECTION 5.13 Tax Treatment. Each of Parent and the Company shall not take
any action and shall not fail to take any action which action or failure to act
would prevent, or would be reasonably likely to prevent, the Merger from
qualifying as a reorganization within the meaning of Section 368(a) of the Code,
and each shall use reasonable efforts to obtain the opinions of counsel referred
to in Section 6.3(c).

      SECTION 5.14 Parent Benefit Plans.

         (a) Parent shall ensure that all employees of the Company and all
employees of each of the Company's subsidiaries are allowed and are eligible to
participate in Parent's employee benefit plans after the Effective Time, to the
same extent as if they were employees of Parent and Parent shall amend such
employee benefit plans as necessary to accomplish this. Without limiting the
generality of the foregoing, (i) to the extent that any employee of the Company
or any of the Company's subsidiaries becomes eligible to participate in any
employee benefit plan of Parent after the Effective Time, Parent, the Surviving
Corporation and their subsidiaries shall credit such employee's service with the
Company or its subsidiaries, to the same extent as such service was

                                      -45-
<PAGE>   50
credited under the similar employee benefit plans of the Company and its
subsidiaries immediately prior to the Effective Time, for purposes of
determining eligibility to participate in and vesting under, and for purposes of
calculating the benefits under, such employee benefit plan of Parent, and (ii)
to the extent permitted by such employee benefit plan of Parent (or as may be
permitted after amendment of such employee benefit plan by Parent) and
applicable law, Parent, the Surviving Corporation and its subsidiaries shall
waive any pre-existing condition limitations, waiting periods or similar
limitations under such employee benefit plan of Parent and shall provide each
such employee with credit for any co-payments previously made and any
deductibles previously satisfied.

         (b) The Company will, immediately prior to the Closing, determine the
amounts accrued through the Closing Date under the Company's Fiscal 2000
Management Bonus Plan (the "Company Bonus Plan") and such amounts and the
identity of the persons eligible to receive such amounts shall be set forth in a
letter to Parent within five (5) days prior to the Effective Time. Parent will
cause such amounts accrued under the Company Bonus Plan through the Closing Date
as set forth in such letter to be paid to each individual on or prior to the
earlier of the close of business, Pacific Time, on December 15, 2000 or the date
an individual ceases to be an employee of Parent, the Company or any of their
subsidiaries.

         (c) Parent shall assume and honor the obligations of the Company and
its subsidiaries under all employment, severance, consulting and other
compensation contracts, arrangements, commitments or understandings disclosed in
the Filed Company SEC Documents or the Company Disclosure Schedule, each as
amended to the date hereof, or as contemplated hereby. Parent hereby
acknowledges that the Merger will constitute a "Change in Control" for purposes
of all Stock Option Plans.

      SECTION 5.15 Senior Notes. Parent shall take such action (if any) as may
be required by the indenture relating to the Company's 9 1/2% Senior
Subordinated Notes (the "Company Senior Notes") in connection with the
consummation of the Merger. Promptly after the Effective Time, Parent shall make
an offer to purchase the Company Senior Notes in accordance with the redemption
provisions of the indenture relating thereto and shall redeem all Company Senior
Notes so tendered for redemption.

      SECTION 5.16 Form S-8. Parent agrees to file a registration statement on
Form S-8 for the shares of Parent Common Stock issuable with respect to assumed
Company Options at the Effective Time and shall maintain the effectiveness of
such registration statement thereafter for so long as any of such Company
Options remain outstanding. The Company shall cooperate and assist Parent in the
preparation of such Registration Statement.

      SECTION 5.17 Employee Stock Purchase Plan. The Company shall take such
actions as are necessary to cause the Purchase Date (as such term is used in the
Employee Stock Purchase Plan) applicable to the then current Offering (as such
term is used in the Employee Stock Purchase Plan) to be the last trading day on
which the shares of Company Common Stock are traded on The New York Stock
Exchange immediately prior to the Effective Time (the "Final Company Purchase
Date"); provided, that such change in the Purchase Date shall be conditioned
upon the

                                      -46-
<PAGE>   51
consummation of the Merger. On the Final Company Purchase Date, the Company
shall apply the funds credited as of such date under the Employee Stock Purchase
Plan within each participant's payroll withholding account to the purchase of
whole shares of Company Common Stock in accordance with the terms of the
Employee Stock Purchase Plan. Employees of the Company as of the Effective Time
shall be permitted to participate in the employee stock purchase plan of Parent
commencing on the first enrollment date following the Effective Time, subject to
compliance with the eligibility provisions of such plan (with employees of the
Company receiving credit, for purposes of such eligibility provisions, for
service with the Company).

      SECTION 5.18 Retirement Plan. Parent shall assume and honor the
obligations of the Company under its Retirement Plan, as amended to date.

                                   ARTICLE VI

                              Conditions Precedent

      SECTION 6.1 Conditions to Each Party's Obligation to Effect the Merger.
The respective obligation of each party to effect the Merger is subject to the
satisfaction or waiver on or prior to the Closing Date of the following
conditions:

         (a) Stockholder Approval. This Agreement shall have been approved and
adopted by the affirmative vote of the holders of two thirds (2/3) of the
outstanding shares of Company Common Stock.

         (b) Nasdaq Listing. The shares of Parent Company Stock issuable to the
Company's stockholders pursuant to this Agreement and under the Stock Option
Plans and the Employee Stock Purchase Plan shall have been approved for listing
on the Nasdaq National Market, subject to official notice of issuance.

         (c) HSR Act. The waiting period (and any extension thereof) applicable
to the Merger under the HSR Act shall have been terminated or shall have
expired.

         (d) No Injunctions or Restraints. No temporary restraining order,
preliminary or permanent injunction or other order issued by any court of
competent jurisdiction or other legal restraint or prohibition (collectively,
"Restraints") preventing the consummation of the Merger shall be in effect.

         (e) Pooling Letters. Parent and the Company shall have received
letters, respectively, from Arthur Andersen LLP dated as of the date of this
Agreement and the Closing Date, addressed to Parent and the Company, stating in
substance the matters to be stated by Arthur Andersen LLP pursuant to Sections
5.3(b) and 5.2(b), respectively.


                                      -47-
<PAGE>   52
         (f) Form S-4. The Form S-4 shall have become effective under the
Securities Act and shall not be the subject of any stop order or proceedings
seeking a stop order.

      SECTION 6.2 Conditions to Obligations of Parent and Sub. The obligations
of Parent and Sub to effect the Merger are further subject to the satisfaction
or waiver on or prior to the Closing Date of the following conditions:

         (a) Representations and Warranties. The representations and warranties
of the Company contained in this Agreement shall be true and correct (other than
the representations in Sections 3.1(c) and 3.1(d), which shall be true and
correct in all material respects) on and as of the Closing Date except for
changes contemplated by this Agreement and except for those representations and
warranties which address matters only as of a particular date, which shall
remain true and correct (other than the representations in Sections 3.1(c) and
3.1(d), which shall be true and correct in all material respects) as of such
particular date, with the same force and effect as if made on and as of the
Closing Date, except in such cases (other than the representations in Sections
3.1(c) and 3.1(d)) where the failure to be so true and correct would not have a
material adverse effect on the Company.

         (b) Performance of Obligations of the Company. The Company shall have
performed in all material respects all obligations required to be performed by
it under this Agreement at or prior to the Closing Date.

         (c) Letters from Company Affiliates. Parent shall have received from
each person named in the Company Disclosure Schedule an executed copy of an
agreement substantially in the form of Exhibit A hereto.

         (d) No Governmental Litigation. There shall not be pending any suit by,
action by or proceeding by any Governmental Entity, (i) seeking to place
limitations on the ownership of shares of Company Common Stock (or shares of
common stock of the Surviving Corporation) by Parent or Sub or seeking to obtain
from the Company, Parent or Sub any damages that are material in relation to the
Company, (ii) seeking to prohibit or materially limit the ownership or operation
by the Company, Parent or any of Parent's subsidiaries of any material portion
of any business or of any assets of the Company, Parent or any of Parent's
subsidiaries, or to compel the Company, Parent or any of Parent's subsidiaries
to dispose of or hold separate any material portion of any business or of any
assets of the Company, Parent or any of Parent's subsidiaries, as a result of
the Merger or (iii) seeking to prohibit Parent or any of its subsidiaries from
effectively controlling in any material respect the business or operations of
the Company

         (e) No Material Adverse Change. At any time on or after the date of
this Agreement there shall not have occurred any material adverse change in the
Company (or, if one shall have occurred, it shall have been cured).


                                      -48-
<PAGE>   53
      SECTION 6.3 Conditions to Obligation of the Company. The obligation of the
Company to effect the Merger is further subject to the satisfaction or waiver on
or prior to the Closing Date of the following conditions:

         (a) Representations and Warranties. The representations and warranties
of Parent and Sub contained in this Agreement shall be true and correct (other
than the representations in Sections 3.2(c) and 3.2(d), which shall be true and
correct in all material respects) on and as of the Closing Date except for
changes contemplated by this Agreement and except for those representations and
warranties which address matters only as of a particular date, which shall
remain true and correct (other than the representations in Sections 3.2(c) and
3.2(d), which shall be true and correct in all material respects) as of such
particular date, with the same force and effect as if made on and as of the
Closing Date, except in such cases (other than the representations in Sections
3.2(c) and 3.2(d)) where the failure to be so true and correct would not have a
material adverse effect on Parent.

         (b) Performance of Obligations of Parent and Sub. Parent and Sub shall
have performed in all material respects all obligations required to be performed
by them under this Agreement at or prior to the Closing Date.

         (c) Tax Opinions. The opinions of Testa Hurwitz & Thibeault, LLP,
counsel to the Company, and Wilson Sonsini Goodrich & Rosati, counsel to Parent,
shall be delivered to the Company and Parent, respectively, in form and
substance reasonably satisfactory to the Company and Parent; provided, however,
that if either Testa, Hurwitz & Thibeault, LLP or Wilson Sonsini Goodrich &
Rosati is unwilling to give the opinion required in this Section 6.3(c), this
condition may be satisfied by the other firm delivering such opinion to both the
Company and Parent. In rendering each such opinion, counsel shall be entitled to
rely upon (and Parent, Sub and the Company shall make) customary representations
reasonably requested by counsel. The opinions shall be dated on the date that is
two business days prior to the date the Proxy Statement is first mailed to
stockholders of the Company and shall not have been withdrawn or modified in any
material respect.

         (d) No Material Adverse Change. At any time on or after the date of
this Agreement, there shall not have occurred any material adverse change in
Parent (or, if one shall have occurred, it shall have been cured).

         (e) Parent Common Stock Price. The average last reported sale price of
the Parent Common Stock on the Nasdaq National Market during the 20 trading days
ending on the third trading day prior to the date of the Stockholder Meeting
shall be not less than $40.00 per share (subject to adjustment for any stock
dividend, subdivision, reclassification, recapitalization, split, combination or
exchange of shares effected by Parent); provided, however, that this closing
condition shall be subject to Parent's right to adjust the Exchange Ratio as set
forth in Section 2.1(c).

         (f) Letters from Parents Affiliates. The Company shall have received
from each person named in the Parent/Sub Disclosure Schedule an executed copy of
an agreement to comply with Section 3 of Exhibit A hereto.


                                      -49-
<PAGE>   54
      SECTION 6.4 Frustration of Closing Conditions. None of the Company, Parent
or Sub may rely on the failure of any condition set forth in Section 6.1, 6.2 or
6.3, as the case may be, to be satisfied if such failure was caused by such
party's failure to use commercially reasonable efforts to consummate the Merger
and the other transactions contemplated by this Agreement, as required by and
subject to Section 5.5.

                                  ARTICLE VII

                        Termination, Amendment and Waiver

      SECTION 7.1 Termination. This Agreement may be terminated, and the Merger
contemplated hereby may be abandoned, at any time prior to the Effective Time,
whether before or after approval of matters presented in connection with the
Merger by the stockholders of the Company:

         (a) by mutual written consent of Parent, Sub and the Company;

         (b) by either Parent or the Company:

                  (i) if the Merger shall not have been consummated by September
30, 2000 for any reason; provided, however, that if the principal cause of the
parties' inability to consummate the Merger by September 30, 2000 is a
Restraint, an inability to obtain clearance under the HSR Act or another United
States, state, local or foreign governmental regulatory matter, such date shall
automatically (and without further action by the parties) be extended to
November 15, 2000; provided, further, that the right to terminate this Agreement
under this Section 7.1(b)(i) shall not be available to any party whose action or
failure to act has been a principal cause of or resulted in the failure of the
Merger to occur on or before such date and such action or failure to act
constitutes a willful and material breach of this Agreement;

                  (ii) if any Restraint having any of the effects set forth in
Section 6.1(d) shall be in effect and shall have become final and nonappealable;

                  (iii) if the Stockholder Approval shall not have been obtained
at the Stockholders Meeting duly convened therefor or at any adjournment or
postponement thereof; or

                  (iv) if prior to the Effective Time, the Board of Directors of
the Company has determined under Section 4 hereof that as a result of the
receipt of a Superior Proposal, it is necessary for the Board to terminate this
Agreement; provided, however, that the Company may not terminate this Agreement
pursuant to this Section 7.1(b)(iv) unless no later than two days thereafter the
Company pays to Parent the amounts specified under Section 5.8(b) pursuant to
the terms of such Section 5.8(b).


                                      -50-
<PAGE>   55
         (c) by Parent if the Board of Directors of the Company or any committee
thereof shall have withdrawn or modified in a manner adverse to Parent its
approval or recommendation of the Merger or this Agreement or failed to
reconfirm its recommendation within 15 business days after a written request by
Parent following a Takeover Proposal to do so, or approved or recommended any
Takeover Proposal;

         (d) by the Company, upon a breach of any representation, warranty,
covenant or agreement on the part of Parent set forth in this Agreement, or if
any such representation or warranty of Parent shall have become inaccurate, in
either case such that the conditions set forth in Section 6.3(a) or Section
6.3(b), as the case may be, would not be satisfied as of the time of such breach
or as of the time such representation or warranty shall have become inaccurate;
provided, that if such inaccuracy in Parent's representations and warranties or
breach by Parent is curable by Parent through the exercise of its commercially
reasonable efforts, then (i) the Company may not terminate this Agreement under
this Section 7.1(d) with respect to a particular breach or inaccuracy prior to
or during the 45-day period commencing upon delivery by the Company of written
notice to Parent describing such breach or inaccuracy, provided Parent continues
to exercise commercially reasonable efforts to cure such breach or inaccuracy
and (ii) the Company may not, in any event, terminate this Agreement under this
Section 7.1(d) if such inaccuracy or breach shall have been cured in all
material respects during such 45-day period; and, provided further that the
Company may not terminate this Agreement pursuant to this Section 7.1(d) if it
shall have willfully and materially breached this Agreement;

         (e) by Parent, upon a breach of any representation, warranty, covenant
or agreement on the part of the Company set forth in this Agreement, or if any
such representation or warranty of the Company shall have become inaccurate, in
either case such that the conditions set forth in Section 6.2(a) or Section
6.2(b), as the case may be, would not be satisfied as of the time of such breach
or as of the time such representation or warranty shall have become inaccurate;
provided, that if such inaccuracy in the Company's representations and
warranties or breach by the Company is curable by the Company through the
exercise of its commercially reasonable efforts, then (i) Parent may not
terminate this Agreement under this Section 7.1(e) with respect to a particular
breach or inaccuracy prior to or during the 45-day period commencing upon
delivery by Parent of written notice to the Company describing such breach or
inaccuracy, provided the Company continues to exercise commercially reasonable
efforts to cure such breach or inaccuracy and (ii) Parent may not, in any event,
terminate this Agreement under this Section 7.1(e) if such inaccuracy or breach
shall have been cured in all material respects during such 45-day period; and,
provided further that Parent may not terminate this Agreement pursuant to this
Section 7.1(e) if it shall have willfully and materially breached this
Agreement; or

         (f) by the Company if the average last reported sale price of Parent
Common Stock on the Nasdaq National Market during the 20 trading days ending on
the third trading day prior to the date of the Stockholder Meeting shall be less
than $40.00 per share (subject to adjustments for any stock dividend,
subdivision, reclassification, recapitalization, split, combination or exchange
of


                                      -51-
<PAGE>   56
shares effected by Parent); provided, however, that the Company's right to
terminate this Agreement shall be subject to Parent's right to adjust the
Exchange Ratio as set forth in Section 2.1(c).

      SECTION 7.2 Effect of Termination. Any termination of this Agreement under
Section 7.1 above will be effective immediately upon the delivery of written
notice of the terminating party to the other parties hereto. In the event of
termination of this Agreement by either the Company or Parent as provided in
Section 7.1, this Agreement shall forthwith become void and have no effect,
without any liability or obligation on the part of Parent, Sub or the Company or
any of their respective affiliates, directors, officers or stockholders, other
than the provisions of the Confidentiality Agreement, the last sentence of
Section 5.4, Section 5.8, this Section 7.2 and Article VIII and except to the
extent that such termination results from the willful and material breach by a
party of any of its representations, warranties, covenants or agreements set
forth in this Agreement. Notwithstanding the foregoing, Company or Parent, as
the case may be, shall have no additional liability following the payment by it
of the Termination Fee pursuant to Section 5.8(b) or the Parent Fee pursuant to
Section 5.8(c), as the case may be, other than pursuant to the Confidentiality
Agreement and the Sections of this Agreement that survive termination of this
Agreement pursuant to this Section and Section 8.1 hereof.

      SECTION 7.3 Amendment. This Agreement may be amended by the parties hereto
at any time before or after any required approval of matters presented in
connection with the Merger by the stockholders of the Company; provided,
however, that after any such approval, there shall be made no amendment that by
law requires further approval by such stockholders without the further approval
of such stockholders. This Agreement may not be amended except by an instrument
in writing signed on behalf of each of the parties hereto.

      SECTION 7.4 Extension; Waiver. At any time prior to the Effective Time,
the parties may (a) extend the time for the performance of any of the
obligations or other acts of the other parties, (b) waive any inaccuracies in
the representations and warranties contained herein or in any document delivered
pursuant hereto or (c) subject to the provisions of Section 7.3, waive
compliance with any of the agreements or conditions contained herein. Any
agreement on the part of a party to any such extension or waiver shall be valid
only if set forth in an instrument in writing signed on behalf of such party.
The failure of any party to this Agreement to assert any of its rights under
this Agreement or otherwise shall not constitute a waiver of such rights.

                                  ARTICLE VIII

                               General Provisions

      SECTION 8.1 Nonsurvival of Representations and Warranties. None of the
representations and warranties in this Agreement or in any instrument delivered
pursuant to this Agreement shall survive the Effective Time or the termination
of this Agreement pursuant to Section 7.1. This Section 8.1 shall not limit any
covenant or agreement of the parties which by its terms contemplates performance
after the Effective Time. The Confidentiality Agreement shall remain in full
force and

                                      -52-
<PAGE>   57
effect and shall survive the Effective Time or termination of this Agreement to
the extent provided therein.

      SECTION 8.2 Notices. All notices, requests, claims, demands and other
communications hereunder shall be in writing and shall be deemed given if
delivered personally or sent by overnight courier (providing proof of delivery)
to the parties at the following addresses (or at such other address for a party
as shall be specified by like notice):

         if to Parent or Sub, to:

                  Sanmina Corporation
                  2700 North First Street
                  San Jose, CA  95134

                  Attention:  President

                  with a copy to:

                  Wilson Sonsini Goodrich & Rosati Professional Corporation
                  650 Page Mill Road
                  Palo Alto, CA  94304

                  Attention: Christopher D. Mitchell, Esq.if to the Company, to:

                  Hadco Corporation
                  12A Manor Parkway
                  Salem, NH  03079

                  Attention:  President and General Counsel

                  with a copy to:

                  Testa, Hurwitz & Thibeault, LLP
                  125 High Street
                  Boston, MA  02110

                  Attention:        Stephen A. Hurwitz, Esq.

      SECTION 8.3 Definitions. For purposes of this Agreement:


                                      -53-
<PAGE>   58
         (a) an "affiliate" of any person means another person that directly or
indirectly, through one or more intermediaries, controls, is controlled by, or
is under common control with, such first person;

         (b) as it relates to the Company, "knowledge" means, with respect to
any matter in question, that any of the Chief Executive Officer or Chief
Financial Officer of the Company has actual knowledge of such matter, and as it
relates to Parent, the term "knowledge" means, with respect to any matter in
question, that any of the Chief Executive Officer, Chief Operating Officer or
Chief Financial Officer of Parent has actual knowledge of such matter;

         (c) "material adverse change" or "material adverse effect" means, when
used in connection with the Company or Parent, any change or effect that is, or
is almost certainly to be within three months, materially adverse to the
business, properties, assets or financial condition of either the Company and
its subsidiaries taken as a whole, or Parent and its subsidiaries taken as a
whole, as the case may be; provided, however, that any adverse change or effect,
including for purposes of this clause any such adverse change or effect that
results in a change in the market price or trading volume of the Company's or
Parent's common stock, that is proximately caused by (i) the announcement of the
execution of this Agreement and the transactions contemplated hereby, (ii)
conditions affecting the economy, the Company's or Parent's industry (as the
case may be) or the electronics manufacturing services industry, or (iii)
conditions affecting the securities markets generally shall not be taken into
account in determining whether there has been or would be a "material adverse
change" or a "material adverse effect" on or with respect to such entity;

         (d) "person" means an individual, corporation, partnership, joint
venture, association, trust, unincorporated organization or other entity;

         (e) a "subsidiary" of any person means another person, an amount of the
voting securities, other voting ownership or voting partnership interests of
which is sufficient to elect at least a majority of its Board of Directors or
other governing body (or, if there are no such voting interests, 50% or more of
the equity interests of which) is owned directly or indirectly by such first
person.

      SECTION 8.4 Interpretation. When a reference is made in this Agreement to
a Section, Exhibit or Schedule, such reference shall be to a Section of, or an
Exhibit or Schedule to, this Agreement unless otherwise indicated. The table of
contents and headings contained in this Agreement are for reference purposes
only and shall not affect in any way the meaning or interpretation of this
Agreement. Whenever the words "include", "includes" or "including" are used in
this Agreement, they shall be deemed to be followed by the words "without
limitation".

      SECTION 8.5 Counterparts. This Agreement may be executed in one or more
counterparts, all of which shall be considered one and the same agreement and
shall become effective when one or more counterparts have been signed by each of
the parties and delivered to the other parties.


                                      -54-
<PAGE>   59
      SECTION 8.6 Entire Agreement; No Third-Party Beneficiaries. This Agreement
including the Exhibits and Schedules hereto, the Option Agreement, the
agreements of affiliates pursuant hereto, and the Confidentiality Agreement (a)
constitute the entire agreement, and supersede all prior agreements and
understandings, both written and oral, among the parties with respect to the
subject matter of this Agreement, the Option Agreement and the Confidentiality
Agreement and (b) except for the provisions of Article II, Sections 5.6, 5.11,
5.14, 5.16, 5.17 and 5.18 are not intended to confer upon any person other than
the parties any rights or remedies.

      SECTION 8.7 Governing Law. This Agreement shall be governed by, and
construed in accordance with, the laws of the State of Delaware, regardless of
the laws that might otherwise govern under applicable principles of conflicts of
laws thereof.

      SECTION 8.8 Assignment. Neither this Agreement nor any of the rights,
interests or obligations hereunder shall be assigned, in whole or in part, by
operation of law or otherwise by any of the parties without the prior written
consent of the other parties.

      SECTION 8.9 Enforcement. The parties agree that irreparable damage would
occur in the event that any of the provisions of this Agreement were not
performed in accordance with their specific terms or were otherwise breached. It
is accordingly agreed that the parties shall be entitled to an injunction or
injunctions to prevent breaches of this Agreement and to enforce specifically
the terms and provisions of this Agreement in any court of the United States
located in the State of Delaware or in any Delaware state court, this being in
addition to any other remedy to which they are entitled at law or in equity. In
addition, each of the parties hereto (a) consents to submit itself to the
personal jurisdiction of any court of the United States located in the State of
Delaware or of any Delaware state court in the event any dispute arises out of
this Agreement or the transactions contemplated by this Agreement, (b) agrees
that it will not attempt to deny or defeat such personal jurisdiction by motion
or other request for leave from any such court and (c) agrees that it will not
bring any action relating to this Agreement or the transactions contemplated by
this Agreement in any court other than a court of the United States located in
the State of Delaware or a Delaware state court.

      SECTION 8.10 Severability. If any term or other provision of this
Agreement is invalid, illegal or incapable of being enforced by any rule of law
or public policy, all other conditions and provisions of this Agreement shall
nevertheless remain in full force and effect. Upon such determination that any
term or other provision is invalid, illegal or incapable of being enforced, the
parties hereto shall negotiate in good faith to modify this Agreement so as to
effect the original intent of the parties as closely as possible to the fullest
extent permitted by applicable law in an acceptable manner to the end that the
transactions contemplated hereby are fulfilled to the extent possible.


                                      -55-
<PAGE>   60
         IN WITNESS WHEREOF, Parent, Sub and the Company have caused this
Agreement to be signed by their respective officers thereunto duly authorized,
all as of the date first written above.

                                          SANMINA CORPORATION,

                                          by: /s/ Jure Sola
                                             ---------------------------------
                                              Name:  Jure Sola
                                                    ---------------------------
                                              Title: CEO
                                                    --------------------------

                                          SANM ACQUISITION SUBSIDIARY, INC.,

                                          by: /s/ Jure Sola
                                             ---------------------------------
                                              Name:  Jure Sola
                                                    ---------------------------
                                                     President

                                          by: /s/ Betsy Johnson
                                             ---------------------------------
                                              Name:  Betsy Johnson
                                                    ---------------------------
                                                     Treasurer

                                          HADCO CORPORATION

                                          by: /s/ Andrew E. Lietz
                                             ---------------------------------
                                              Name:  Andrew E. Lietz
                                                    ---------------------------
                                                    President

                                          by: /s/ F. Gordon Bitter
                                             ---------------------------------
                                              Name:  F. Gordon Bitter
                                                    ---------------------------
                                                    Treasurer


                                      -56-


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