Document:

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                                                                   EXHIBIT 10.23

                               SEVERANCE AGREEMENT

            THIS AGREEMENT, dated May 24, 2001, is made by and between GSI
Lumonics, Inc, a New Brunswick, Canada corporation (the "Company"), and Linda
Palmer (the "Executive").

            WHEREAS, the Company considers it essential to the best interests of
its stockholders to foster the continued employment of key management personnel;

            WHEREAS, the Board recognizes that, as is the case with many
publicly held corporations, the possibility of a Change in Control exists and
that such possibility, and the uncertainty and questions which it may raise
among management, may result in the departure or distraction of management
personnel to the detriment of the Company and its stockholders; and

            WHEREAS, the Board has determined that appropriate steps should be
taken to reinforce and encourage the continued attention and dedication of
members of the Company's management, including the Executive, to their assigned
duties without distraction in the face of potentially disturbing circumstances
arising from the possibility of a Change in Control;

            WHEREAS, the Board has determined that is also in the best interests
of the Company to encourage the Executive's continued employment with the
Company by providing the Executive with certain severance benefits in the event
of a termination of the Executive's employment with the Company under certain
circumstances unrelated to a Change in Control;

            NOW, THEREFORE, in consideration of the premises and the mutual
covenants herein contained, the Company and the Executive hereby agree as
follows:

1. Defined Terms. The definitions of capitalized terms used in this Agreement
are provided in Section 15.

2. Term of Agreement. The Term of this Agreement shall commence on the date
hereof and shall continue in effect through the third anniversary of the date
hereof; provided, however, that commencing on January 1, 2004 and each January 1
thereafter, the Term shall automatically be extended for one additional year
unless, not later than September 30 of the preceding year, the
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Company or the Executive shall have given notice not to extend the Term; and
further provided, however, that if a Change in Control shall have occurred
during the Term, the Term shall expire no earlier than the thirty-sixth (36th)
month beyond the month in which such Change in Control occurred.

3. Company's Covenants Summarized. In order to induce the Executive to remain
in the employ of the Company and in consideration of the Executive's covenants
in Section 4, the Company, under the conditions described herein, shall pay the
Executive the Severance Payments and the other payments and benefits described
herein. Except as provided in Section 9.1 or 9.2, no Severance Payments shall be
payable under this Agreement unless there shall have been (or, pursuant to the
second sentence of Section 6.1, there shall be deemed to have been) a
termination of the Executive's employment with the Company following a Change in
Control and during the Term. This Agreement shall not be construed as creating
an express or implied contract of employment and, except as otherwise agreed in
writing between the Executive and the Company, the Executive shall not have any
right to be retained in the employ of the Company.

4. The Executive's Covenants. Subject to the terms and conditions of this
Agreement, in the event of a Potential Change in Control or an applicable
takeover bid (as defined in the Ontario Securities Act) is made by a Person or
Persons acting jointly and in concert in response of any securities of the
Company prior to the first occurrence of a Change of Control, the Executive
shall remain in the employ of the Company until the earliest of (i) a date which
is six (6) months from the date of such Potential Change in Control or one
hundred and twenty (120) days after the commencement of such takeover bid, (ii)
the date, if applicable, that any such take over bid has been abandoned or
ended, (iii) the date of a Change in Control, (iv) the date of termination by
the Executive of the Executive's employment for Good Reason or by reason of
death, Disability or Retirement, or (iv) the termination by the Company of the
Executive's employment for any reason.

                  Subject to the Executive having received, in full, from the
Company all payments and benefits required hereunder and upon written request
from the Company, the Executive agrees to sign a release of any claims he/she
may have against the Company in connection with his/her employment and/or
termination from employment with the Company in a form, mutually agreed upon,
that is customary for such transactions.

                  Notwithstanding any provision of this Agreement, Executive
acknowledges that any obligations which the Executive has with the Company
pursuant to a separate written agreement relating to confidentiality,
non-competition,
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non-solicitation, and inventions shall continue to be governed by the terms of
such separate agreement.

5. Compensation Other Than Severance Payments; Equity.

5.1. If the Executive fails to perform the Executive's full-time duties with
the Company as a result of incapacity due to physical or mental illness, during
any period when the Executive so fails to perform the Company shall pay the Base
Salary to the Executive, together with all compensation and benefits payable to
the Executive under the terms of any compensation or benefit plan, program or
arrangement (other than the Company's short- or long-term disability plan, as
applicable, but including any bonus or incentive plan) maintained by the Company
during such period, until the Executive's employment is terminated by the
Company for Disability.

5.2. If the Executive's employment shall be terminated for any reason, the
Company shall pay the Base Salary to the Executive through the Date of
Termination, together with all compensation and benefits payable to the
Executive through the Date of Termination under the terms of the Company's
compensation and benefit plans, programs or arrangements as in effect
immediately prior to the Date of Termination or, if more favorable to the
Executive, as in effect immediately prior to the first occurrence of an event or
circumstance constituting Good Reason.

5.3. If the Executive's employment shall be terminated for any reason, the
Company shall pay to the Executive the Executive's normal post-termination
compensation and benefits as such payments become due. Such post-termination
compensation and benefits shall be determined under, and paid in accordance
with, the Company's retirement, insurance and other compensation or benefit
plans, programs and arrangements as in effect immediately prior to the Date of
Termination or, if more favorable to the Executive, as in effect immediately
prior to the occurrence of the first event or circumstance constituting Good
Reason.

5.4. Notwithstanding anything to the contrary contained in any equity plan or
arrangement of the Company or any agreement between the Company and the
Executive, if the Executive's employment with the Company is terminated under
circumstances which entitle the Executive to Severance Payments pursuant to
Section 6.1, 9.1 or 9.2 hereof, any outstanding stock option, restricted stock
or other equity or equity-based award granted to the Executive shall become
immediately vested and exercisable and shall (i) for terminations under Section
6 and to the extent applicable, remain outstanding for the shorter of the
remainder of its full term or three (3 years) from the Date of Termination
notwithstanding the termination (or any
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post-Change in Control termination) of the Executive's employment with the
Company, or (ii) for terminations under Section 9.1, remain outstanding for the
shorter of six (6) months from the Date of Termination or the remainder of its
full term, notwithstanding the termination of the Executive's employment with
the Company.

6. Severance Payments.

6.1. If the Executive's employment is terminated following a Change in Control,
other than (a) by the Company for Cause, (b) by reason of death or Disability,
or (c) by the Executive without Good Reason, then the Company shall pay the
Executive the amounts, and provide the Executive the benefits, described in this
Section 6.1 ("Severance Payments") and Section 6.2, in addition to any payments
and benefits to which the Executive is entitled under Section 5. For purposes of
this Agreement, the Executive's employment shall be deemed to have been
terminated following a Change in Control and during the Term by the Company
without Cause or by the Executive with Good Reason, if (i) the Executive's
employment is terminated by the Company without Cause during a Potential Change
in Control Period, or (ii) the Executive terminates employment for Good Reason
during a Potential Change in Control Period. Except as described in Section 9.1
or 9.2, the Executive shall not be entitled to benefits pursuant to this Section
6.1 unless a Change in Control shall have occurred.

(A) In lieu of any further salary payments to the Executive for periods
subsequent to the Date of Termination and in lieu of any severance benefit
otherwise payable to the Executive, the Company shall pay to the Executive (i) a
lump sum severance payment, in cash, equal to three (3) times the sum of (a) the
Base Salary, and (b) the target annual bonus available to the Executive pursuant
to any annual bonus or incentive plan maintained by the Company in respect of
the fiscal year in which the Date of Termination occurs (without giving effect
to any event or circumstance constituting Good Reason) and (ii) a prorated
portion of the Executive's bonus compensation for the fiscal year in which the
Date of Termination occurs (assuming that any applicable performance objectives
were achieved at the targeted (100%) level of performance and without giving
effect to any event or circumstance constituting Good Reason) calculated by
multiplying (A) the targeted amount of such bonus compensation (at 100%
performance) by (B) a fraction, the numerator of which is the number of days in
the applicable fiscal year through the date of termination and the denominator
of which is 365.

(B) For the thirty six (36) month period immediately following the Date of
Termination, the Company shall arrange to provide the Executive and
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Executive's dependents life, disability, accident and health insurance benefits
substantially similar to those provided to the Executive and Executive's
dependents immediately prior to the Date of Termination or, if more favorable to
the Executive, those provided to the Executive and Executive's dependents
immediately prior to the first occurrence of an event or circumstance
constituting Good Reason, at no greater cost to the Executive than the cost to
the Executive immediately prior to such date or occurrence.

(C) Notwithstanding any provision of any annual or long-term incentive plan to
the contrary, the Company shall pay to the Executive a lump sum amount, in cash,
equal to the sum of (i) any unpaid incentive compensation which has been
allocated or awarded to the Executive for a completed fiscal year or other
measuring period preceding the Date of Termination under any such plan and
which, as of the Date of Termination, is contingent only upon the continued
employment of the Executive to a subsequent date, and (ii) a pro rata portion to
the Date of Termination of the aggregate value of all contingent incentive
compensation awards to the Executive for all then uncompleted periods under any
such plan (other than any such plan covered by the provisions of Section
6.1(A)(ii) hereof), calculated as to each such award by multiplying the award
that the Executive would have earned on the last day of the performance award
period, assuming the achievement, at the targeted (100%) level, of the
individual and corporate performance goals established with respect to such
award, by the fraction obtained by dividing the number of full months and any
fractional portion of a month during such performance award period through the
Date of Termination by the total number of months contained in such performance
award period.

6.2. Gross Up.

(A) Whether or not the Executive becomes entitled to the Severance Payments, if
any of the payments or benefits received or to be received by the Executive in
connection with a Change in Control or the Executive's termination of employment
(whether pursuant to the terms of this Agreement or any other plan, arrangement
or agreement with the Company, any Person whose actions result in a Change in
Control or any Person affiliated with the Company or such Person) (all such
payments and benefits, excluding the Gross-Up Payment, being hereinafter
referred to as the "Total Payments") will be subject to the Excise Tax, the
Company shall pay to the Executive an additional amount (the "Gross-Up Payment")
such that the net amount retained by the Executive, after deduction of any
Excise Tax on the Total Payments and any federal, state and local income and
employment taxes and Excise Tax upon the Gross-Up Payment, shall be equal to the
Total Payments.
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(B) For purposes of determining whether any of the Total Payments will be
subject to the Excise Tax and the amount of such Excise Tax, (i) all of the
Total Payments shall be treated as "parachute payments" (within the meaning of
section 280G(b)(2) of the Code) unless, in the opinion of tax counsel ("Tax
Counsel") reasonably acceptable to the Executive and selected by the accounting
firm which was, immediately prior to the Change in Control, the Company's
independent auditor (the "Auditor"), such payments or benefits (in whole or in
part) do not constitute parachute payments, including by reason of section
280G(b)(4)(A) of the Code, (ii) all "excess parachute payments" within the
meaning of section 280G(b)(l) of the Code shall be treated as subject to the
Excise Tax unless, in the opinion of Tax Counsel, such excess parachute payments
(in whole or in part) represent reasonable compensation for services actually
rendered (within the meaning of section 280G(b)(4)(B) of the Code) in excess of
the Base Amount allocable to such reasonable compensation, or are otherwise not
subject to the Excise Tax, and (iii) the value of any noncash benefits or any
deferred payment or benefit shall be determined by the Auditor in accordance
with the principles of sections 280G(d)(3) and (4) of the Code. For purposes of
determining the amount of the Gross-Up Payment, the Executive shall be deemed to
pay federal income tax at the highest marginal rate of federal income taxation
in the calendar year in which the Gross-Up Payment is to be made and state and
local income taxes at the highest marginal rate of taxation in the state and
locality of the Executive's residence on the Date of Termination (or if there is
no Date of Termination, then the date on which the Gross-Up Payment is
calculated for purposes of this Section 6.2), net of the maximum reduction in
federal income taxes which could be obtained from deduction of such state and
local taxes.

(C) In the event that the Excise Tax is finally determined to be less than the
amount taken into account hereunder in calculating the Gross-Up Payment, the
Executive shall repay to the Company, within five (5) business days following
the time that the amount of such reduction in the Excise Tax is finally
determined, the portion of the Gross-Up Payment attributable to such reduction
(plus that portion of the Gross-Up Payment attributable to the Excise Tax and
federal, state and local income and employment taxes imposed on the Gross-Up
Payment being repaid by the Executive, to the extent that such repayment results
in a reduction in the Excise Tax and a dollar-for-dollar reduction in the
Executive's taxable income and wages for purposes of federal, state and local
income and employment taxes, plus interest on the amount of such repayment at
120% of the rate provided in section 1274(b)(2)(B) of the Code. In the event
that the Excise Tax is determined to exceed the amount taken into account
hereunder in calculating the Gross-Up Payment (including by reason of any
payment the existence or amount of which cannot be determined at the time of the
Gross-Up Payment), the Company shall make an
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additional Gross-Up Payment in respect of such excess (plus any interest,
penalties or additions payable by the Executive with respect to such excess)
within five (5) business days following the time that the amount of such excess
is finally determined. The Executive and the Company shall each reasonably
cooperate with the other in connection with any administrative or judicial
proceedings concerning the existence or amount of liability for Excise Tax with
respect to the Total Payments.

6.3. The payments provided in subsection (A), of Section 6.1 and in Section 6.2
shall be made not later than the fifth day following the Date of Termination (or
if there is no Date of Termination, then the date on which the Gross-up Payment
is calculated for purposes of Section 6.2), provided, however, that in the case
of any payment made pursuant to the second sentence of Section 6.1, such payment
shall be made not later than the fifth day following the Change in Control;
provided further, however, that if the amounts of such payments cannot be
finally determined on or before such day, the Company shall pay to the Executive
on such day an estimate, as determined in good faith by the Company or, in the
case of payments under Section 6.2, in accordance with Section 6.2, of the
minimum amount of such payments to which the Executive is clearly entitled and
shall pay the remainder of such payments (together with interest on the unpaid
remainder (or on all such payments to the extent the Company fails to make such
payments when due) at 120% of the rate provided in section 1274(b)(2)(B) of the
Code) as soon as the amount thereof can be determined but in no event later than
the thirtieth (30th) day after the Date of Termination. In the event that the
amount of the estimated payments exceeds the amount subsequently determined to
have been due, such excess shall constitute a loan by the Company to the
Executive, payable on the fifth (5th) business day after demand by the Company
(together with interest at 120% of the rate provided in section 1274(b)(2)(B) of
the Code). At the time that payments are made under this Agreement, the Company
shall provide the Executive with a written statement setting forth the manner in
which such payments were calculated and the basis for such calculations
including, without limitation, any opinions or other advice the Company has
received from Tax Counsel, the Auditor or other advisors or consultants (and any
such opinions or advice which are in writing shall be attached to the
statement).

6.4. The Company shall pay to the Executive all legal fees and expenses
incurred by the Executive in disputing in good faith any issue hereunder
relating to the termination of the Executive's employment under Section 6 of
this Agreement, in seeking in good faith to obtain or enforce any benefit or
right provided by this Agreement or in connection with any tax audit or
proceeding to the extent attributable to the application of section 4999 of the
Code to any payment or
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benefit provided thereunder. Such payments shall be made within five (5)
business days after delivery of the Executive's written requests for payment
accompanied with such evidence of fees and expenses incurred as the Company
reasonably may require.

6.5 The Company shall pay, to a maximum of fifteen thousand dollars ($15,000) in
local currency, the reasonable fees and related expenses actually incurred by
the Executive in connection with individual career, executive consulting and
employment search services provided the Company has approved, in advance the
consulting organization retained by the Executive to provide the services.

7. Termination Procedures and Compensation During Dispute.

7.1. Notice of Termination. Any purported termination of the Executive's
employment (other than by reason of death) shall be communicated by written
Notice of Termination from one party hereto to the other party hereto in
accordance with Section 10. For purposes of this Agreement, a "Notice of
Termination" shall mean a notice which shall indicate the specific termination
provision in this Agreement relied upon and shall set forth in reasonable detail
the facts and circumstances claimed to provide a basis for termination of the
Executive's employment under the provision so indicated. Further, a Notice of
Termination for Cause is required to include a copy of a resolution duly adopted
by the affirmative vote of not less than three-quarters (3/4) of the entire
membership of the Board at a meeting of the Board which was called and held for
the purpose of considering such termination (after reasonable notice to the
Executive and an opportunity for the Executive, together with the Executive's
counsel, to be heard before the Board) finding that, in the good faith opinion
of the Board, the Executive was guilty of conduct set forth in clause (i), (ii)
or (iii) of the definition of Cause herein, and specifying the particulars
thereof in detail.

7.2. Date of Termination. "Date of Termination," with respect to any purported
termination of the Executive's employment after a Change in Control, shall mean
(i) if the Executive's employment is terminated for Disability, thirty (30) days
after Notice of Termination is given (provided that the Executive shall not have
returned to the full-time performance of the Executive's duties during such
thirty (30) day period), and (ii) if the Executive's employment is terminated
for any other reason, the date specified in the Notice of Termination (which, in
the case of a termination by the Company, shall not be less than thirty (30)
days (except in the case of a termination for Cause) and, in the case of a
termination by the Executive, shall not be less than fifteen (15) days nor more
than sixty (60) days, respectively, from the date such Notice of Termination is
given).
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7.3. Dispute Concerning Termination. If within fifteen (15) days after any
Notice of Termination is given, or, if later, prior to the Date of Termination
(as determined without regard to this Section 7.3), the party receiving such
Notice of Termination notifies the other party that a dispute exists concerning
the termination, the Date of Termination shall be extended until the earlier of
(i) the date on which the Term ends or (ii) the date on which the dispute is
finally resolved, either by mutual written agreement of the parties or by a
final judgment, order or decree of an arbitrator or a court of competent
jurisdiction (which is not appealable or with respect to which the time for
appeal therefrom has expired and no appeal has been perfected); provided,
however, that the Date of Termination shall be extended by a notice of dispute
given by the Executive only if such notice is given in good faith and the
Executive pursues the resolution of such dispute with reasonable diligence.

7.4. Compensation During Dispute. If the Date of Termination is extended in
accordance with Section 7.3, the Company shall continue to pay the Executive the
full compensation in effect when the notice giving rise to the dispute was given
(including, but not limited to, the Base Salary) and continue the Executive as a
participant in all compensation, benefit and insurance plans in which the
Executive was participating when the notice giving rise to the dispute was
given, until the Date of Termination, as determined in accordance with Section
7.3. Amounts paid under this Section 7.4 are in addition to all other amounts
due under this Agreement (other than those due under Section 5.2) and shall not
be offset against or reduce any other amounts due under this Agreement.

8. No Mitigation. If the Executive's employment with the Company terminates
following a Change in Control, the Executive is not required to seek other
employment or to attempt in any way to reduce any amounts payable to the
Executive by the Company pursuant to Section 6, 7.4, 9.1 or 9.2. Further, the
amount of any payment or benefit provided for in this Agreement shall not be
reduced by any compensation earned by the Executive as the result of employment
by another employer, by retirement benefits, by offset against any amount
claimed to be owed by the Executive to the Company, or otherwise.
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9. Other Severance Payments; Successors; Binding Agreement.

9.1. If the Executive's employment is terminated during the Term under
circumstances which do not entitle the Executive to Severance Payments pursuant
to Section 6 hereof, and such termination is not a termination (a) by the
Company for Cause, (b) by reason of death or Disability, or (c) by the Executive
without Good Reason, then the Company shall provide the Executive with the
Severance Benefits described below and the Severance Payments described in
Section 6.1, except that the following modifications shall be made to the
Severance Payments:

(A) The Executive's Base Salary and target annual bonus shall be multiplied by a
minimum factor of one (1) and a maximum factor of two (2) based on the formula
set out below, (rather than three (3), as provided in Section 6.1(A)):

      (i)         If the Executive's length of service (LOS) with the Company is
                  less than two (2) years, the factor shall be one (1); and
      (ii)        If the Executive's LOS with the Company is two (2) or more
                  years, the factor shall be one (1) plus a fraction (A/B)
                  represented by the following:

                  A (numerator) = 1 month for each full year of service that the
                  Executive had with the Company excluding the first year of
                  service.
                  B (denominator) = 12

(B) The benefit continuation provided in Section 6.1(B) shall be for a minimum
of one (1) year and a maximum of two (2) years based on the formula set out in
(A)(i) and (ii) above (rather than 36 months).

In addition to the Severance Payments described above, the Company shall also
provide benefits described in Section 6.4, but subject to a maximum of five
thousand dollars ($5,000) and Section 6.5 to the Executive.
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9.2. In addition to any obligations imposed by law upon any successor to the
Company, the Company shall require any successor (whether direct or indirect, by
purchase, merger, consolidation or otherwise) to all or substantially all of the
business and/or assets of the Company to expressly assume and agree to perform
this Agreement in the same manner and to the same extent that the Company would
be required to perform it if no such succession had taken place. Failure of the
Company to obtain such assumption and agreement prior to the effectiveness of
any such succession shall be a breach of this Agreement and shall entitle the
Executive to compensation from the Company in the same amount and on the same
terms as the Executive would be entitled to hereunder if the Executive were to
terminate the Executive's employment for Good Reason after a Change in Control
and during the Term, except that, for purposes of implementing the foregoing,
the date on which any such succession becomes effective shall be deemed the Date
of Termination.

                  Notwithstanding the foregoing or anything to the contrary in
this Agreement, in the event the Company sells, spins out, splits off or
otherwise carves out or divests the Wave Precision, Inc. line of business or
subsidiary operation of the Company ("Carved Out Entity") and the Executive
decides to accept employment with the Carved Out Entity following the
transaction, the Executive shall not be entitled to the Severance Payments set
out in Section 9.1 above.

9.3. This Agreement shall inure to the benefit of and be enforceable by the
Executive's personal or legal representatives, executors, administrators,
successors, heirs, distributees, devisees and legatees. If the Executive shall
die while any amount would still be payable to the Executive hereunder (other
than amounts which, by their terms, terminate upon the death of the Executive)
if the Executive had continued to live, all such amounts, unless otherwise
provided herein, shall be paid in accordance with the terms of this Agreement to
the executors, personal representatives or administrators of the Executive's
estate.

10. Notices. For the purpose of this Agreement, notices and all other
communications provided for in the Agreement shall be in writing and shall be
deemed to have been duly given when delivered or mailed by United States
registered mail, return receipt requested, postage prepaid, addressed, if to the
Executive, to the address inserted below the Executive's signature on the final
page hereof and, if to the Company, to the address set forth below, or to such
other address as either party may have furnished to the other in writing in
accordance herewith, except that notice of change of address shall be effective
only upon actual receipt:
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                  To the Company:

                  GSI Lumonics, Inc.
                  C/o GSI Lumonics Corporation
                   39 Manning Road
                  Billerica, Mass.  01821 USA
                  Attention: General Counsel

11. Miscellaneous. No provision of this Agreement may be modified, waived or
discharged unless such waiver, modification or discharge is agreed to in writing
and signed by the Executive and such officer as may be specifically designated
by the Board. No waiver by either party hereto at any time of any breach by the
other party hereto of, or of any lack of compliance with, any condition or
provision of this Agreement to be performed by such other party shall be deemed
a waiver of similar or dissimilar provisions or conditions at the same or at any
prior or subsequent time. This Agreement supersedes any other agreements or
representations, oral or otherwise, express or implied, with respect to the
subject matter hereof which have been made by either party; provided, however,
that this Agreement shall not supersede any agreement setting forth the terms
and conditions of the Executive's employment with the Company unless and until
the Executive's employment with the Company is terminated in a manner entitling
Executive to benefits hereunder. The validity, interpretation, construction and
performance of this Agreement shall be governed by the laws of the Commonwealth
of Massachusetts. All references to sections of the Exchange Act or the Code
shall be deemed also to refer to any successor provisions to such sections. Any
payments provided for hereunder shall be paid net of any applicable withholding
required under federal, state or local law and any additional withholding to
which the Executive has agreed. The obligations of the Company and the Executive
under this Agreement which by their nature may require either partial or total
performance after the expiration of the Term (including, without limitation,
those under Sections 6 and 7) shall survive such expiration.

12. Validity. The invalidity or unenforceability of any provision of this
Agreement shall not affect the validity or enforceability of any other provision
of this Agreement, which shall remain in full force and effect.

13. Counterparts. This Agreement may be executed in several counterparts, each
of which shall be deemed to be an original but all of which together will
constitute one and the same instrument.
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14. Settlement of Disputes; Arbitration.

14.1. All claims by the Executive for benefits under this Agreement shall be
directed to and determined by the Board and shall be in writing. Any denial by
the Board of a claim for benefits under this Agreement shall be delivered to the
Executive in writing and shall set forth the specific reasons for the denial and
the specific provisions of this Agreement relied upon. The Board shall afford a
reasonable opportunity to the Executive for a review of the decision denying a
claim and shall further allow the Executive to appeal to the Board a decision of
the Board within sixty (60) days after notification by the Board that the
Executive's claim has been denied.

14.2. Any further dispute or controversy arising under or in connection with
this Agreement shall be settled exclusively by arbitration in Boston,
Massachusetts in accordance with the rules of the American Arbitration
Association then in effect; provided, however, that the evidentiary standards
set forth in this Agreement shall apply. Judgment may be entered on the
arbitrator's award in any court having jurisdiction. Notwithstanding any
provision of this Agreement to the contrary, the Executive shall be entitled to
seek specific performance of the Executive's right to be paid until the Date of
Termination during the pendency of any dispute or controversy arising under or
in connection with this Agreement.

15. Definitions. For purposes of this Agreement, the following terms shall have
the meanings indicated below:

15.1. "Affiliate" shall have the meaning set forth in Rule 12b-2 promulgated
under Section 12 of the Exchange Act.

15.2. "Auditor" shall have the meaning set forth in Section 6.2.

15.3. "Base Amount" shall have the meaning set forth in section 280G(b)(3) of
the Code.

15.4. "Base Salary" shall mean the annual base salary in effect for the
Executive immediately prior to the Date of Termination or a Change in Control,
as such salary may be increased from time to time during the Term (in which case
such increased amount shall be the Base Salary for purposes hereof), but without
giving effect to any reduction thereto.

15.5. "Beneficial Owner" shall have the meaning set forth in Rule 13d-3 under
the Exchange Act.
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15.6. "Board" shall mean the Board of Directors of the Company.

15.7. "Cause" for termination by the Company of the Executive's employment
shall mean (i) the continued failure by the Executive to substantially perform
the Executive's duties with the Company (other than any such failure resulting
from the Executive's incapacity due to physical or mental illness or any such
actual or anticipated failure after the issuance of a Notice of Termination for
Good Reason by the Executive pursuant to Section 7.1) that has not been cured
within 30 days after a written demand for substantial performance is delivered
to the Executive by the Board or a representative on behalf of the Board, which
demand specifically identifies the manner in which the Board believes that the
Executive has not substantially performed the Executive's duties, (ii) the
engaging by the Executive in conduct which results in demonstrable and material
monetary harm to the Company or its subsidiaries or, in the reasonable opinion
of the Board, brings the Executive or the Company into disrepute, (iii) the
failure or refusal of the Executive to comply with the lawful directions or
instructions of the Company on any material matter; (iv) any material breach by
the Executive of the Executive's non-disclosure and confidentiality agreement
and/or obligations or any written Employment agreement with the Company, (v) use
by the Executive of drugs or of alcohol in a manner which materially affect
his/her ability to perform his/her employment duties, (v) any material act of
dishonesty directed at the Company or any client of the Company or (vi) the
conviction of the Executive by a court of competent jurisdiction or the
Executive pleading nolo contendere to any criminal offense involving dishonesty
or breach of trust or any felony or crime of moral turpitude. No claim by the
Company that Cause exists shall be given effect unless the Company establishes
to the Board by clear and convincing evidence that Cause exists.

15.8. A "Change in Control" shall be deemed to have occurred if any of the
events set forth in any one of the following paragraphs shall have occurred:

      (A) any Person is or becomes the Beneficial Owner, directly or indirectly,
      of securities of the Company representing 30% or more of either the then
      outstanding shares of common stock of the Company or the combined voting
      power of the Company's then outstanding securities, excluding any Person
      who becomes such a Beneficial Owner in connection with a transaction
      described in Section 15.8(C)(i);

      (B) the following individuals cease for any reason to constitute a
      majority of the number of directors then serving: individuals
<PAGE>

      who, on the date hereof, constitute the Board and any new director (other
      than a director whose initial assumption of office is in connection with
      an actual or threatened election contest, including but not limited to a
      consent solicitation, relating to the election of directors of the
      Company) whose appointment or election by the Board or nomination for
      election by the Company's stockholders was approved or recommended by a
      vote of at least two-thirds (2/3) of the directors then in office who
      either were directors on the date hereof or whose appointment, election or
      nomination for election was previously so approved or recommended;

      (C) there is consummated a merger or consolidation of the Company or any
      direct or indirect subsidiary of the Company with any other corporation,
      other than (i) a merger or consolidation which would result in the voting
      securities of the Company outstanding immediately prior to such merger or
      consolidation continuing to represent (either by remaining outstanding or
      by being converted into voting securities of the surviving entity or any
      parent thereof) at least 60% of the combined voting power of the
      securities of the Company or such surviving entity or any parent thereof
      outstanding immediately after such merger or consolidation, or (ii) a
      merger or consolidation effected to implement a recapitalization of the
      Company (or similar transaction) in which no Person is or becomes the
      Beneficial Owner, directly or indirectly, of securities of the Company
      (not including in the securities Beneficially Owned by such Person any
      securities acquired directly from the Company or its Affiliates)
      representing 30% or more of the combined voting power of the Company's
      then outstanding securities; or

      (D) the stockholders of the Company approve a plan of complete liquidation
      or dissolution of the Company or there is consummated an agreement for the
      sale or disposition by the Company of all or substantially all of the
      Company's assets, other than a sale or disposition by the Company of all
      or substantially all of the Company's assets to an entity, at least [60]%
      of the combined voting power of the voting securities of which are owned
      by stockholders of the Company in substantially the same proportions as
      their ownership of the Company immediately prior to such sale.

15.9. "Code" shall mean the Internal Revenue Code of 1986, as amended from time
to time.

15.10. "Company" shall mean GSI Lumonics, Inc. and, except in determining under
Section 15.8 whether or not any Change in Control of the
<PAGE>

Company has occurred, shall include any successor to its business and/or assets
which assumes and agrees to perform this Agreement by operation of law, or
otherwise.

15.11. "Control" shall have the meaning set forth in Rule 12b-2 promulgated
under Section 12 of the Exchange Act.

15.12. "Date of Termination" shall have the meaning set forth in Section 7.2.

15.13. "Disability" shall be deemed the reason for the termination by the
Company of the Executive's employment, if, as a result of the Executive's
incapacity due to physical or mental illness, the Executive shall have been
absent from the full-time performance of the Executive's duties with the Company
for a period of five (5) consecutive months or 180 days in any period of 365
days, the Company shall have given the Executive a Notice of Termination for
Disability, and, within thirty (30) days after such Notice of Termination is
given, the Executive shall not have returned to the full-time performance of the
Executive's duties.

15.14. "Exchange Act" shall mean the Securities Exchange Act of 1934, as
amended from time to time.

15.15. "Excise Tax" shall mean any excise tax imposed under section 4999 of the
Code.

15.16. "Executive" shall mean the individual named in the first paragraph of
this Agreement.

15.17. "Good Reason" for termination by the Executive of the Executive's
employment shall mean the occurrence (without the Executive's express written
consent) of any one of the following acts by the Company, or failures by the
Company to act, unless, in the case of any act or failure to act described in
subsection (A), (E), (F) or (G) below, such act or failure to act is corrected
prior to the Date of Termination specified in the Notice of Termination given in
respect thereof:

(A) The assignment to the Executive of any duties inconsistent in any respect
with the Executive's position (including status, offices, titles and reporting
requirements), authority, duties or responsibilities immediately prior to the
Change in Control; or the diminution or adverse alteration in any material
respect of such position, authority, duties or responsibilities, excluding for
this purpose an
<PAGE>

isolated, insubstantial and inadvertent action not taken in bad faith and which
is remedied by the Company promptly after receipt of notice thereof given by
Executive;

(B) Any reduction in the Executive's rate of Base Salary or failure by the
Company to pay the Executive salary in accordance with any agreement between the
Executive and the Company, or any reduction in the Executive's total cash and
stock compensation opportunities, including Base Salary and incentives, for any
fiscal year to less than 100% of the total cash and stock compensation
opportunities made available to him immediately preceding the Date of
Termination or the Change in Control or failure by the Company to provide the
Executive with total cash and stock compensation opportunities in accordance
with any agreement between the Executive and the Company (for this purpose, such
opportunities shall be deemed reduced if the objective standards by which the
Executive's incentive compensation measured becomes more stringent, the target
or maximum amounts of such incentive compensation are reduced, or the amount of
such incentive compensation is reduced on a discretionary basis from the amount
that would be payable solely by reference to the objectives); or

(C) the relocation of the Executive's principal place of employment to a
location more than 25 miles from the Executive's principal place of employment
immediately prior to the Date of Termination or a Change in Control or the
Company's requiring the Executive to be based anywhere other than such principal
place of employment (or permitted relocation thereof) except for required travel
on the Company's business to an extent substantially consistent with the
Executive's present business travel obligations;

(D) the failure by the Company to pay to the Executive any portion of the
Executive's current compensation or to pay to the Executive any portion of an
installment of deferred compensation under any deferred compensation program of
the Company, within fourteen (14)days of the date such compensation is due;

(E) the failure by the Company to continue in effect any compensation plan in
which the Executive participates immediately prior to theDate of Termination or
a Change in Control which is material to the Executive's total compensation or
any substitute plans adopted prior to the Change in Control, unless an equitable
arrangement (embodied in an ongoing substitute or alternative plan) has been
made with respect to such plan, or the failure by the Company to continue the
Executive's participation therein (or in such substitute or alternative plan) on
a basis not materially less favorable, both in terms of the amount or timing of
payment of
<PAGE>

benefits provided and the level of the Executive's participation relative to
other participants, as existed immediately prior to the Change in Control;

(F) the failure by the Company to continue to provide the Executive with
benefits substantially similar to those enjoyed by the Executive under any of
the Company's pension, savings, life insurance, medical, health and accident, or
disability plans in which the Executive was participating immediately prior to
the Date of Termination or Change in Control or the taking of any other action
by the Company which would directly or indirectly materially reduce any of such
benefits or deprive the Executive of any material fringe benefit enjoyed by the
Executive prior to the Date of Termination or at the time of the Change in
Control, or the failure by the Company to provide the Executive with the number
of paid vacation days to which the Executive is entitled pursuant to a written
agreement with the Company or on the basis of years of service with the Company
in accordance with the Company's normal vacation policy for Executives in effect
prior to the Date of Termination or at the time of the Change in Control; or

(G) any purported termination of the Executive's employment which is not
effected pursuant to a Notice of Termination satisfying the requirements of
Section 7.1; for purposes of this Agreement, no such purported termination shall
be effective.

            The Executive's right to terminate the Executive's employment for
Good Reason shall not be affected by the Executive's incapacity due to physical
or mental illness. The Executive's continued employment shall not constitute
consent to, or a waiver of rights with respect to, any act or failure to act
constituting Good Reason hereunder. For purposes of any determination regarding
the existence of Good Reason, any claim by the Executive that Good Reason exists
shall be presumed to be correct unless the Company establishes to the Board by
clear and convincing evidence that Good Reason does not exist.

15.18. "Gross-Up Payment" shall have the meaning set forth in Section 6.2.

15.19. "Notice of Termination" shall have the meaning set forth in Section 7.1.

15.20. "Person" shall have the meaning given in Section 3(a)(9) of the Exchange
Act, as modified and used in Sections 13(d) and 14(d) thereof, except that such
term shall not include (i) the Company or any of its subsidiaries, (ii) a
trustee or other fiduciary holding securities under an employee benefit plan of
the
<PAGE>

Company or any of its Affiliates, (iii) an underwriter temporarily holding
securities pursuant to an offering of such securities and (iv) a corporation
owned, directly or indirectly, by the stockholders of the Company in
substantially the same proportions as their ownership of stock of the Company.

15.21. "Potential Change in Control" shall be deemed to have occurred if the
event set forth in any one of the following subsections shall have occurred:

      (A) the Company enters into an agreement, the consummation of which would
      result in the occurrence of a Change in Control;

      (B) the Company or any Person publicly announces an intention to take or
      to consider taking actions which, if consummated, would constitute a
      Change in Control;

      (C) any Person becomes the Beneficial Owner, directly or indirectly, of
      securities of the Company representing thirty (30)% or more of either the
      then outstanding shares of common stock of the Company or the combined
      voting power of the Company's then outstanding securities; or

      (D) the Board adopts a resolution to the effect that, for purposes of this
      Agreement, a Potential Change in Control has occurred.

15.22. "Potential Change in Control Period" shall commence upon the occurrence
of a Potential Change in Control and shall lapse immediately following the first
to occur of (i) a Change in Control or (ii) the one year anniversary of the
occurrence of a Potential Change in Control.

15.23. "Retirement" shall be deemed the reason for the termination by the
Executive of the Executive's employment if such employment is terminated in
accordance with the Company's retirement policy, including early retirement,
generally applicable to its salaried employees.

15.24. "Severance Payments" shall have the meaning set forth in Section 6.1.

15.25. "Tax Counsel" shall have the meaning set forth in Section 6.2.
<PAGE>

15.26. "Term" shall mean the period of time described in Section 2 (including
any extension, continuation or termination described therein).

15.27. "Total Payments" shall mean those payments so described in Section 6.2.

            [THE REMAINDER OF THIS PAGE IS INTENTIONALLY LEFT BLANK]
<PAGE>

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

                                    GSI LUMONICS, INC.

                                    By:____________________________
                                    Name:  Charles D. Winston
                                    Title: President & CEO

                                    EXECUTIVE

                                    _______________________________
                                    Name: Linda Palmer
                                    Address:_______________________

                                    _______________________________

                                    (Please print carefully)<PAGE>

                                                                     Exhibit 4.5

                            ACT MANUFACTURING, INC.

                  SECOND AMENDED AND RESTATED 1995 STOCK PLAN

  1. Purpose. The purpose of this Second Amended and Restated 1995 Stock Plan
(the "Plan") is to encourage employees of ACT Manufacturing, Inc. (the
"Company") and of any present or future parent or subsidiary of the Company
(collectively, "Related Corporations") and other individuals who render
services to the Company or a Related Corporation, by providing opportunities
to participate in the ownership of the Company and its future growth through
(a) the grant of options which qualify as "incentive stock options" ("ISOs")
under Section 422(b) of the Internal Revenue Code of 1986, as amended (the
"Code"); (b) the grant of options which do not qualify as ISOs ("Non-Qualified
Options"); (c) awards of stock in the Company ("Awards"); and (d)
opportunities to make direct purchases of stock in the Company ("Purchases").
Both ISOs and Non-Qualified Options are referred to hereafter individually as
an "Option" and collectively as "Options." Options, Awards and authorizations
to make Purchases are referred to hereafter collectively as "Stock Rights." As
used herein, the terms "parent" and "subsidiary" mean "parent corporation" and
"subsidiary corporation," respectively, as those terms are defined in Section
424 of the Code.

  2. Administration of the Plan.

    A. Board or Committee Administration. The Plan shall be administered by
  the Board of Directors of the Company (the "Board") or by a committee
  appointed by the Board (the "Committee"); provided that the Plan shall be
  administered: (i) to the extent required by applicable regulations under
  Section 162(m) of the Code, by two or more "outside directors" (as defined
  in applicable regulations thereunder) and (ii) to the extent required by
  Rule 16b-3 promulgated under the Securities Exchange Act of 1934 or any
  successor provision ("Rule 16b-3"), by a disinterested administrator or
  administrators within the meaning of Rule 16b-3. Hereinafter, all
  references in this Plan to the "Committee" shall mean the Board if no
  Committee has been appointed. Subject to ratification of the grant or
  authorization of each Stock Right by the Board (if so required by
  applicable state law), and subject to the terms of the Plan, the Committee
  shall have the authority to (i) determine to whom (from among the class of
  employees eligible under paragraph 3 to receive ISOs) ISOs shall be
  granted, and to whom (from among the class of individuals and entities
  eligible under paragraph 3 to receive Non-Qualified Options and Awards and
  to make Purchases) Non-Qualified Options, Awards and authorizations to make
  Purchases may be granted; (ii) determine the time or times at which Options
  or Awards shall be granted or Purchases made; (iii) determine the purchase
  price of shares subject to each Option or Purchase, which prices shall not
  be less than the minimum price specified in paragraph 6; (iv) determine
  whether each Option granted shall be an ISO or a Non-Qualified Option;
  (v) determine (subject to paragraph 7) the time or times when each Option
  shall become exercisable and the duration of the exercise period; (vi)
  extend the period during which outstanding Options may be exercised; (vii)
  determine whether restrictions such as repurchase options are to be imposed
  on shares subject to Options, Awards and Purchases and the nature of such
  restrictions, if any, and (viii) interpret the Plan and prescribe and
  rescind rules and regulations relating to it. If the Committee determines
  to issue a Non-Qualified Option, it shall take whatever actions it deems
  necessary, under Section 422 of the Code and the regulations promulgated
  thereunder, to ensure that such Option is not treated as an ISO. The
  interpretation and construction by the Committee of any provisions of the
  Plan or of any Stock Right granted under it shall be final unless otherwise
  determined by the Board. The Committee may from time to time adopt such
  rules and regulations for carrying out the Plan as it may deem advisable.
  No member of the Board or the

<PAGE>

  Committee shall be liable for any action or determination made in good
  faith with respect to the Plan or any Stock Right granted under it.

    B. Committee Actions. The Committee may select one of its members as its
  chairman, and shall hold meetings at such time and places as it may
  determine. A majority of the Committee shall constitute a quorum and acts
  of a majority of the members of the Committee at a meeting at which a
  quorum is present, or acts reduced to or approved in writing by all the
  members of the Committee (if consistent with applicable state law), shall
  be the valid acts of the Committee. From time to time the Board may
  increase the size of the Committee and appoint additional members thereof,
  remove members (with or without cause) and appoint new members in
  substitution therefor, fill vacancies however caused, or remove all members
  of the Committee and thereafter directly administer the Plan.

    C. Grant of Stock Rights to Board Members. Subject to the provisions of
  the first sentence of paragraph 2(A) above, if applicable, Stock Rights may
  be granted to members of the Board. All grants of Stock Rights to members
  of the Board shall in all other respects be made in accordance with the
  provisions of this Plan applicable to other eligible persons. Consistent
  with the provisions of the first sentence of Paragraph 2(A) above, members
  of the Board who either (i) are eligible to receive grants of Stock Rights
  pursuant to the Plan or (ii) have been granted Stock Rights may vote on any
  matters affecting the administration of the Plan or the grant of any Stock
  Rights pursuant to the Plan, except that no such member shall act upon the
  granting to himself or herself of Stock Rights, but any such member may be
  counted in determining the existence of a quorum at any meeting of the
  Board during which action is taken with respect to the granting to such
  member of Stock Rights.

  3. Eligible Employees and Others. ISOs may be granted only to employees of
the Company or any Related Corporation. Non-Qualified Options, Awards and
authorizations to make Purchases may be granted to any employee, officer or
director (whether or not also an employee) or consultant of the Company or any
Related Corporation. The Committee may take into consideration a recipient's
individual circumstances in determining whether to grant a Stock Right. The
granting of any Stock Right to any individual or entity shall neither entitle
that individual or entity to, nor disqualify such individual or entity from,
participation in any other grant of Stock Rights.

  4. Stock. The stock subject to Stock Rights shall be authorized but unissued
shares of Common Stock of the Company, par value $.01 per share (the "Common
Stock"), or shares of Common Stock reacquired by the Company in any manner.
The aggregate number of shares which may be issued pursuant to the Plan is
3,250,000, subject to adjustment as provided in paragraph 13. If any Stock
Right granted under the Plan shall expire or terminate for any reason without
having been exercised in full or shall cease for any reason to be exercisable
in whole or in part or shall be repurchased by the Company, the shares of
Common Stock subject to such Stock Right shall again be available for grants
of Stock Rights under the Plan.

  No employee of the Company or any Related Corporation may be granted Options
to acquire, in the aggregate, more than 3,249,000 shares of Common Stock under
the Plan. If any Option granted under the Plan shall expire or terminate for
any reason without having been exercised in full or shall cease for any reason
to be exercisable in whole or in part or shall be repurchased by the Company,
the shares subject to such Option shall be included in the determination of
the aggregate number of shares of Common Stock deemed to have been granted to
such employee under the Plan.

  5. Granting of Stock Rights. Stock Rights may be granted under the Plan at
any time on or after February 8, 1995 and prior to February 8, 2005. The date
of grant of a Stock Right under the Plan will be the

<PAGE>

date specified by the Committee at the time it grants the Stock Right;
provided, however, that such date shall not be prior to the date on which the
Committee acts to approve the grant.

  6. Minimum Option Price; ISO Limitations.

    A. Price for Non-Qualified Options, Awards and Purchases. The exercise
  price per share specified in the agreement relating to each Non-Qualified
  Option granted, and the purchase price per share of stock granted in any
  Award or authorized as a Purchase, under the Plan shall in no event be less
  than the minimum legal consideration required therefor under the laws of
  any jurisdiction in which the Company or its successors in interest may be
  organized. Stock Rights granted under the Plan may be exercisable only upon
  the attainment of a pre-established, objective performance goal established
  by the Committee. If the Committee grants Stock Rights under the Plan, such
  grants may be submitted for, and may be contingent upon, shareholder
  approval if the Committee so determines in accordance with the regulations
  established under Section 162(m) of the Code.

    B. Price for ISOs. The exercise price per share specified in the
  agreement relating to each ISO granted under the Plan shall not be less
  than the fair market value per share of Common Stock on the date of such
  grant. In the case of an ISO to be granted to an employee owning stock
  possessing more than ten percent (10%) of the total combined voting power
  of all classes of stock of the Company or any Related Corporation, the
  price per share specified in the agreement relating to such ISO shall not
  be less than one hundred ten percent (110%) of the fair market value per
  share of Common Stock on the date of grant. For purposes of determining
  stock ownership under this paragraph, the rules of Section 424(d) of the
  Code shall apply.

    C. $100,000 Annual Limitation on ISO Vesting. Each eligible employee may
  be granted Options treated as ISOs only to the extent that, in the
  aggregate under this Plan and all incentive stock option plans of the
  Company and any Related Corporation, ISOs do not become exercisable for the
  first time by such employee during any calendar year with respect to stock
  having a fair market value (determined at the time the ISOs were granted)
  in excess of $100,000. The Company intends to designate any Options granted
  in excess of such limitation as Non-Qualified Options.

    D. Determination of Fair Market Value. If, at the time an Option is
  granted under the Plan, the Company's Common Stock is publicly traded,
  "fair market value" shall be determined as of the last business day for
  which the prices or quotes discussed in this sentence are available prior
  to the date such Option is granted and shall mean (i) the average (on that
  date) of the high and low prices of the Common Stock on the principal
  national securities exchange on which the Common Stock is traded, if the
  Common Stock is then traded on a national securities exchange; or (ii) the
  last reported sale price (on that date) of the Common Stock on the Nasdaq
  National Market, if the Common Stock is not then traded on a national
  securities exchange; or (iii) the closing bid price (or average of bid
  prices) last quoted (on that date) by an established quotation service for
  over-the-counter securities, if the Common Stock is not reported on the
  Nasdaq National Market. If the Common Stock is not publicly traded at the
  time an Option is granted under the Plan, "fair market value" shall mean
  the fair value of the Common Stock as determined by the Committee after
  taking into consideration all factors which it deems appropriate,
  including, without limitation, recent sale and offer prices of the Common
  Stock in private transactions negotiated at arm's length.

  7. Option Duration. Subject to earlier termination as provided in paragraphs
9 and 10 or in the agreement relating to such Option, each Option shall expire
on the date specified by the Committee, but not more

<PAGE>

than (i) ten years from the date of grant in the case of Options generally and
(ii) five years from the date of grant in the case of ISOs granted to an
employee owning stock possessing more than ten percent (10%) of the total
combined voting power of all classes of stock of the Company or any Related
Corporation, as determined under paragraph 6(B). Subject to earlier
termination as provided in paragraphs 9 and 10, the term of each ISO shall be
the term set forth in the original instrument granting such ISO, except with
respect to any part of such ISO that is converted into a Non-Qualified Option
pursuant to paragraph 16.

  8. Exercise of Option. Subject to the provisions of paragraphs 9 through 12,
each Option granted under the Plan shall be exercisable as follows:

    A. Vesting. The Option shall either be fully exercisable on the date of
  grant or shall become exercisable thereafter in such installments as the
  Committee may specify.

    B. Full Vesting of Installments. Once an installment becomes exercisable
  it shall remain exercisable until expiration or termination of the Option,
  unless otherwise specified by the Committee.

    C. Partial Exercise. Each Option or installment may be exercised at any
  time or from time to time, in whole or in part, for up to the total number
  of shares with respect to which it is then exercisable.

    D. Acceleration of Vesting. The Committee shall have the right to
  accelerate the date that any installment of any Option becomes exercisable;
  provided that the Committee shall not, without the consent of an optionee,
  accelerate the permitted exercise date of any installment of any Option
  granted to any employee as an ISO (and not previously converted into a Non-
  Qualified Option pursuant to paragraph 16) if such acceleration would
  violate the annual vesting limitation contained in Section 422(d) of the
  Code, as described in paragraph 6(C).

  9. Termination of Employment. Unless otherwise specified in the agreement
relating to such ISO, if an ISO optionee ceases to be employed by the Company
and all Related Corporations other than by reason of death or disability as
defined in paragraph 10, no further installments of his or her ISOs shall
become exercisable, and his or her ISOs shall terminate on the earlier of (a)
ninety (90) days after the date of termination of his or her employment, or
(b) their specified expiration dates, except to the extent that such ISOs (or
unexercised installments thereof) have been converted into Non-Qualified
Options pursuant to paragraph 16. For purposes of this paragraph 9, employment
shall be considered as continuing uninterrupted during any bona fide leave of
absence (such as those attributable to illness, military obligations or
governmental service) provided that the period of such leave does not exceed
90 days or, if longer, any period during which such optionee's right to
reemployment is guaranteed by statute. A bona fide leave of absence with the
written approval of the Committee shall not be considered an interruption of
employment under this paragraph 9, provided that such written approval
contractually obligates the Company or any Related Corporation to continue the
employment of the optionee after the approved period of absence. ISOs granted
under the Plan shall not be affected by any change of employment within or
among the Company and Related Corporations, so long as the optionee continues
to be an employee of the Company or any Related Corporation. Nothing in the
Plan shall be deemed to give any grantee of any Stock Right the right to be
retained in employment or other service by the Company or any Related
Corporation for any period of time.

  10. Death; Disability.

    A. Death. If an ISO optionee ceases to be employed by the Company and all
  Related Corporations by reason of his or her death, any ISO owned by such
  optionee may be exercised, to the extent otherwise exercisable on the date
  of death, by the estate, personal representative or beneficiary who has
  acquired the

<PAGE>

  ISO by will or by the laws of descent and distribution, until the earlier
  of (i) the specified expiration date of the ISO or (ii) 180 days from the
  date of the optionee's death.

    B. Disability. If an ISO optionee ceases to be employed by the Company
  and all Related Corporations by reason of his or her disability, such
  optionee shall have the right to exercise any ISO held by him or her on the
  date of termination of employment, for the number of shares for which he or
  she could have exercised it on that date, until the earlier of (i) the
  specified expiration date of the ISO or (ii) 180 days from the date of the
  termination of the optionee's employment. For the purposes of the Plan, the
  term "disability" shall mean "permanent and total disability" as defined in
  Section 22(e)(3) of the Code or any successor statute.

  11. Assignability. No Stock Right shall be assignable or transferable by the
grantee except by will, by the laws of descent and distribution or, in the
case of Non-Qualified Options only, pursuant to a valid domestic relations
order. Except as set forth in the previous sentence, during the lifetime of a
grantee each Stock Right shall be exercisable only by such grantee.

  12. Terms and Conditions of Options. Options shall be evidenced by
instruments (which need not be identical) in such forms as the Committee may
from time to time approve. Such instruments shall conform to the terms and
conditions set forth in paragraphs 6 through 11 hereof and may contain such
other provisions as the Committee deems advisable which are not inconsistent
with the Plan, including restrictions applicable to shares of Common Stock
issuable upon exercise of Options. The Committee may specify that any Non-
Qualified Option shall be subject to the restrictions set forth herein with
respect to ISOs, or to such other termination and cancellation provisions as
the Committee may determine. The Committee may from time to time confer
authority and responsibility on one or more of its own members and/or one or
more officers of the Company to execute and deliver such instruments. The
proper officers of the Company are authorized and directed to take any and all
action necessary or advisable from time to time to carry out the terms of such
instruments.

  13. Adjustments. Upon the occurrence of any of the following events, an
optionee's rights with respect to Options granted to such optionee hereunder
shall be adjusted as hereinafter provided, unless otherwise specifically
provided in the written agreement between the optionee and the Company
relating to such Option:

    A. Stock Dividends and Stock Splits. If the shares of Common Stock shall
  be subdivided or combined into a greater or smaller number of shares or if
  the Company shall issue any shares of Common Stock as a stock dividend on
  its outstanding Common Stock, the number of shares of Common Stock
  deliverable upon the exercise of Options shall be appropriately increased
  or decreased proportionately, and appropriate adjustments shall be made in
  the purchase price per share to reflect such subdivision, combination or
  stock dividend. Notwithstanding the foregoing, no adjustment shall be made
  for the 280-for-1 stock split in the form of a 279-for-1 stock dividend
  adopted by the Board on February 8, 1995.

    B. Consolidations or Mergers. If the Company is to be consolidated with
  or acquired by another entity in a merger, sale of all or substantially all
  of the Company's assets or otherwise (an "Acquisition"), the Committee or
  the board of directors of any entity assuming the obligations of the
  Company hereunder (the "Successor Board"), shall, as to outstanding
  Options, either (i) make appropriate provision for the continuation of such
  Options by substituting on an equitable basis for the shares then subject
  to such Options either (a) the consideration payable with respect to the
  outstanding shares of Common Stock in connection with the Acquisition, (b)
  shares of stock of the surviving corporation or (c) such other securities
  as the Successor Board deems appropriate, the fair market value of which
  shall not materially exceed the fair market value of the shares of Common
  Stock subject to such Options immediately preceding the Acquisition; or
  (ii) upon written notice to the optionees, provide that all Options must be
  exercised, to the

<PAGE>

  extent then exercisable, within a specified number of days of the date of
  such notice, at the end of which period the Options shall terminate; or
  (iii) terminate all Options in exchange for a cash payment equal to the
  excess of the fair market value of the shares subject to such Options (to
  the extent then exercisable) over the exercise price thereof.

    C. Recapitalization or Reorganization. In the event of a recapitalization
  or reorganization of the Company (other than a transaction described in
  subparagraph B above) pursuant to which securities of the Company or of
  another corporation are issued with respect to the outstanding shares of
  Common Stock, an optionee upon exercising an Option shall be entitled to
  receive for the purchase price paid upon such exercise the securities he or
  she would have received if he or she had exercised such Option prior to
  such recapitalization or reorganization.

    D. Modification of ISOs. Notwithstanding the foregoing, any adjustments
  made pursuant to subparagraphs A, B or C with respect to ISOs shall be made
  only after the Committee, after consulting with counsel for the Company,
  determines whether such adjustments would constitute a "modification" of
  such ISOs (as that term is defined in Section 424 of the Code) or would
  cause any adverse tax consequences for the holders of such ISOs. If the
  Committee determines that such adjustments made with respect to ISOs would
  constitute a modification of such ISOs or would cause adverse tax
  consequences to the holders, it may refrain from making such adjustments.

    E. Dissolution or Liquidation. In the event of the proposed dissolution
  or liquidation of the Company, each Option will terminate immediately prior
  to the consummation of such proposed action or at such other time and
  subject to such other conditions as shall be determined by the Committee.

    F. Issuances of Securities. Except as expressly provided herein, no
  issuance by the Company of shares of stock of any class, or securities
  convertible into shares of stock of any class, shall affect, and no
  adjustment by reason thereof shall be made with respect to, the number or
  price of shares subject to Options. No adjustments shall be made for
  dividends paid in cash or in property other than securities of the Company.

    G. Fractional Shares. No fractional shares shall be issued under the Plan
  and the optionee shall receive from the Company cash in lieu of such
  fractional shares.

    H. Adjustments. Upon the happening of any of the events described in
  subparagraphs A, B or C above, the class and aggregate number of shares set
  forth in paragraph 4 hereof that are subject to Stock Rights which
  previously have been or subsequently may be granted under the Plan shall
  also be appropriately adjusted to reflect the events described in such
  subparagraphs. The Committee or the Successor Board shall determine the
  specific adjustments to be made under this paragraph 13 and, subject to
  paragraph 2, its determination shall be conclusive.

  14. Means of Exercising Options. An Option (or any part or installment
thereof) shall be exercised by giving written notice to the Company at its
principal office address, or to such transfer agent as the Company shall
designate. Such notice shall identify the Option being exercised and specify
the number of shares as to which such Option is being exercised, accompanied
by full payment of the purchase price therefor either (a) in United States
dollars in cash or by check, (b) at the discretion of the Committee, through
delivery of shares of Common Stock having a fair market value equal as of the
date of the exercise to the cash exercise price of the Option, (c) at the
discretion of the Committee, by delivery of the grantee's personal recourse
note bearing interest payable not less than annually at no less than 100% of
the lowest applicable Federal rate, as defined in Section 1274(d) of the Code,
(d) at the discretion of the Committee and consistent with applicable law,
through the delivery of an assignment to the Company of a sufficient amount of
the proceeds from the sale of the

<PAGE>

Common Stock acquired upon exercise of the Option and an authorization to the
broker or selling agent to pay that amount to the Company, which sale shall be
at the participant's direction at the time of exercise, or (e) at the
discretion of the Committee, by any combination of (a), (b), (c) and (d)
above. If the Committee exercises its discretion to permit payment of the
exercise price of an ISO by means of the methods set forth in clauses (b),
(c), (d) or (e) of the preceding sentence, such discretion shall be exercised
in writing at the time of the grant of the ISO in question. The holder of an
Option shall not have the rights of a shareholder with respect to the shares
covered by such Option until the date of issuance of a stock certificate to
such holder for such shares. Except as expressly provided above in paragraph
13 with respect to changes in capitalization and stock dividends, no
adjustment shall be made for dividends or similar rights for which the record
date is before the date such stock certificate is issued.

  15. Term and Amendment of Plan. The 1995 Stock Plan was adopted by the Board
and the stockholders of the Company on February 8, 1995 and amended by the
Company's stockholders on May 20, 1997. An Amended and Restated 1995 Stock
Plan was adopted by the Company's stockholders on July 29, 1999. This Plan was
adopted by the Board of the Company on April 4, 2001. The Plan shall expire at
the end of the day on February 7, 2005 (except as to Options outstanding on
that date). Subject to the provisions of paragraph 5 above, Options may be
granted under the Plan prior to the date of stockholder approval of the Plan.
The Board may terminate or amend the Plan in any respect at any time, except
that, without the approval of the stockholders obtained within 12 months
before or after the Board adopts a resolution authorizing any of the following
actions: (a) the total number of shares that may be issued under the Plan may
not be increased (except by adjustment pursuant to paragraph 13); (b) the
benefits accruing to participants under the Plan may not be materially
increased; (c) the requirements as to eligibility for participation in the
Plan may not be materially modified; (d) the provisions of paragraph 3
regarding eligibility for grants of ISOs may not be modified; (e) the
provisions of paragraph 6(B) regarding the exercise price at which shares may
be offered pursuant to ISOs may not be modified (except by adjustment pursuant
to paragraph 13); (f) the expiration date of the Plan may not be extended; and
(g) the Board may not take any action which would cause the Plan to fail to
comply with Rule 16b-3. Except as otherwise provided in this paragraph 15, in
no event may action of the Board or stockholders alter or impair the rights of
a grantee, without such grantee's consent, under any Option previously granted
to such grantee.

  16. Conversion of ISOs into Non-Qualified Options. The Committee, at the
written request or with the written consent of any optionee, may in its
discretion take such actions as may be necessary to convert such optionee's
ISOs (or any installments or portions of installments thereof) that have not
been exercised on the date of conversion into Non-Qualified Options at any
time prior to the expiration of such ISOs, regardless of whether the optionee
is an employee of the Company or a Related Corporation at the time of such
conversion. Such actions may include, but shall not be limited to, extending
the exercise period or reducing the exercise price of the appropriate
installments of such ISOs. At the time of such conversion, the Committee (with
the consent of the optionee) may impose such conditions on the exercise of the
resulting Non-Qualified Options as the Committee in its discretion may
determine, provided that such conditions shall not be inconsistent with this
Plan. Nothing in the Plan shall be deemed to give any optionee the right to
have such optionee's ISOs converted into Non-Qualified Options, and no such
conversion shall occur until and unless the Committee takes appropriate
action.

  17. Application of Funds. The proceeds received by the Company from the sale
of shares pursuant to Options granted and Purchases authorized under the Plan
shall be used for general corporate purposes.

  18. Notice to Company of Disqualifying Disposition. By accepting an ISO
granted under the Plan, each optionee agrees to notify the Company in writing
immediately after such optionee makes a Disqualifying

<PAGE>

Disposition (as described in Sections 421, 422 and 424 of the Code and
regulations thereunder) of any stock acquired pursuant to the exercise of ISOs
granted under the Plan. A Disqualifying Disposition is generally any
disposition occurring on or before the later of (a) the date two years
following the date the ISO was granted or (b) the date one year following the
date the ISO was exercised.

  19. Withholding of Additional Income Taxes. Upon the exercise of a Non-
Qualified Option, the grant of an Award, the making of a Purchase of Common
Stock for less than its fair market value, the making of a Disqualifying
Disposition (as defined in paragraph 18), the vesting or transfer of
restricted stock or securities acquired on the exercise of an Option
hereunder, or the making of a distribution or other payment with respect to
such stock or securities, the Company may withhold taxes in respect of amounts
that constitute compensation includible in gross income. The Committee in its
discretion may condition (i) the exercise of an Option, (ii) the grant of an
Award, (iii) the making of a Purchase of Common Stock for less than its fair
market value, or (iv) the vesting or transferability of restricted stock or
securities acquired by exercising an Option, on the grantee's making
satisfactory arrangement for such withholding. Such arrangement may include
payment by the grantee in cash or by check of the amount of the withholding
taxes or, at the discretion of the Committee, by the grantee's delivery of
previously held shares of Common Stock or the withholding from the shares of
Common Stock otherwise deliverable upon exercise of a Option shares having an
aggregate fair market value equal to the amount of such withholding taxes.

  20. Governmental Regulation. The Company's obligation to sell and deliver
shares of the Common Stock under this Plan is subject to the approval of any
governmental authority required in connection with the authorization, issuance
or sale of such shares.

  Government regulations may impose reporting or other obligations on the
Company with respect to the Plan. For example, the Company may be required to
send tax information statements to employees and former employees that
exercise ISOs under the Plan, and the Company may be required to file tax
information returns reporting the income received by grantees of Options in
connection with the Plan.

  21. Governing Law. The validity and construction of the Plan and the
instruments evidencing Options shall be governed by the laws of the
Commonwealth of Massachusetts, or the laws of any jurisdiction in which the
Company or its successors in interest may be organized.

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