Document:

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                                                                    EXHIBIT 10.5

                                FOURTH AMENDMENT
                                       TO
                            ZOLL MEDICAL CORPORATION
                             1992 STOCK OPTION PLAN

      WHEREAS, the ZOLL Medical Corporation 1992 Stock Option Plan (the "Plan")
was adopted by the Board of Directors and the stockholders of ZOLL Medical
Corporation (the "Company") on April 22, 1992 as a performance incentive for
officers, employees, consultants and other key persons of the Company;

      WHEREAS, Section 3(a) of the Plan provides that the total number of shares
of the Company's common stock, $.02 par value per share (the "Common Stock"),
which may be issued pursuant to stock options granted under the Plan shall not
exceed an aggregate of 450,000 shares of Common Stock;

      WHEREAS, an amendment to the Plan authorizing the issuance of an
additional 300,000 shares of Common Stock pursuant to the Plan was approved by
the Board of Directors of the Company on November 14, 1994 and was thereafter
approved by the stockholders of the Company on January 30, 1995 (the "First
Amendment");

      WHEREAS, an amendment to the Plan authorizing the issuance of an
additional 200,000 shares of Common Stock was approved by the Board of Directors
on November 21, 1996 and thereafter approved by the stockholders of the Company
on February 4, 1997 (the "Second Amendment");

      WHEREAS, an amendment to the Plan authorizing the issuance of an
additional 300,000 shares of Common Stock was approved by the Board of Directors
on November 19, 1998 and thereafter approved by the Stockholders on February 4,
1999 (the "Third Amendment");

      WHEREAS, the Board of Directors of the Company believes that the number of
shares of Common Stock remaining available for issuance under the Plan has
become insufficient for the Company's current and anticipated future needs;

      WHEREAS, Section 10 of the Plan provides that the Board of Directors of
the Company may amend the Plan at any time, subject to certain conditions set
forth therein; and

      WHEREAS, the Board of Directors of the Company has determined that it is
in the best interests of the Company to amend the Plan to provide that an
additional 335,000 shares of Common Stock be made available for issuance under
the Plan.

      NOW, THEREFORE:

      1.    Amendment of Plan. Section 3(a) of the Plan is hereby amended and
restated to provide in its entirety as follows:

            (a)   The stock granted under the Plan, or subject to the options
                  granted under the Plan, shall be shares of the Company's
                  authorized but unissued common stock, par value $.02 per share
                  (the "Common Stock"). The total number of shares that may be
                  issued under the Plan shall not exceed an aggregate of
                  1,585,000 shares of Common Stock. Such number shall be subject
                  to adjustment as provided in Section 7 hereof.
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      2.    Effective Date of Amendment. This Fourth Amendment to the Plan shall
become effective upon the date that it is adopted by the Board of Directors of
the Company; provided, however, that this Fourth Amendment shall be subject to
the approval of the Company's stockholders in accordance with applicable laws
and regulations at an annual or special meeting held within twelve months of
such effective date. No stock option granted under the Plan prior to such
stockholder approval may be exercised to the extent that the number of shares of
Common Stock then available for issuance under the Plan, without giving effect
to this Fourth Amendment, shall be less than the number of shares of Common
Stock proposed to be purchased pursuant to such exercise.

      IN WITNESS WHEREOF, this Fourth Amendment to the Plan has been adopted by
the Board of Directors of the Company this 15th day of November, 1999, to be
submitted for approval by the Company's stockholders at the Company's Annual
Meeting of Stockholders to be held on February 8, 2000.<PAGE>

                                                                    EXHIBIT 10.6

                            ZOLL MEDICAL CORPORATION

                            2001 STOCK INCENTIVE PLAN

SECTION 1. GENERAL PURPOSE OF THE PLAN; DEFINITIONS

      The name of the plan is the ZOLL Medical Corporation 2001 Stock Incentive
Plan (the "Plan"). The purpose of the Plan is to encourage and enable the
officers, employees and other key persons (including consultants) of ZOLL
Medical Corporation, a Massachusetts Corporation (the "Company") and its
Subsidiaries upon whose judgment, initiative and efforts the Company largely
depends for the successful conduct of its business to acquire a proprietary
interest in the Company. It is anticipated that providing such persons with a
direct stake in the Company's welfare will assure a closer identification of
their interests with those of the Company, thereby stimulating their efforts on
the Company's behalf and strengthening their desire to remain with the Company.

      The following terms shall be defined as set forth below:

      "Act" means the Securities Act of 1933, as amended, and the rules and
regulations thereunder.

      "Administrator" is defined in Section 2(a).

      "Award" or "Awards," except where referring to a particular category of
grant under the Plan, shall include Incentive Stock Options, Non-Qualified Stock
Options and Restricted Stock Awards.

      "Board" means the Board of Directors of the Company.

      "Change of Control" is defined in Section 11.

      "Code" means the Internal Revenue Code of 1986, as amended, and any
successor Code, and related rules, regulations and interpretations.

      "Committee" means the Committee of the Board referred to in Section 2.

      "Corporate Transaction" is defined in Section 11(c)(iii).

      "Covered Employee" means an employee who is a "Covered Employee" within
the meaning of Section 162(m) of the Code.

      "Effective Date" means the date on which the Plan is approved by
stockholders as set forth in Section 13.
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      "Exchange Act" means the Securities Exchange Act of 1934, as amended, and
the rules and regulations thereunder.

      "Fair Market Value" of the Stock on any given date means the fair market
value of the Stock determined in good faith by the Administrator; provided,
however, that if the Stock is admitted to quotation on the National Association
of Securities Dealers Automated Quotation System ("NASDAQ"), NASDAQ National
System or a national securities exchange, the determination shall be made by
reference to market quotations. If there are no market quotations for such date,
the determination shall be made by reference to the last date preceding such
date for which there are market quotations.

      "Incentive Stock Option" means any Stock Option designated and qualified
as an "incentive stock option" as defined in Section 422 of the Code.

      "Incumbent Directors" is defined in Section 11(c)(ii).

      "Independent Director" means a member of the Board who is not also an
employee of the Company or any Subsidiary.

      "Non-Qualified Stock Option" means any Stock Option that is not an
Incentive Stock Option.

      "Option" or "Stock Option" means any option to purchase shares of Stock
granted pursuant to Section 5.

      "Restricted Stock" is defined in Section 6(a).

      "Restricted Stock Award" means Awards granted pursuant to Section 6.

      "Sale Event" is defined in Section 3(c).

      "Sale Price" is defined in Section 3(c).

      "Stock" means the Common Stock, par value $0.02 per share, of the Company,
subject to adjustments pursuant to Section 3.

      "Subsidiary" or "Subsidiaries" means any corporation or other entity
(other than the Company) in which the Company has a controlling interest, either
directly or indirectly.

      "Voting Securities" is defined in Section 11(c)(i).
<PAGE>
SECTION 2. ADMINISTRATION OF PLAN; ADMINISTRATOR AUTHORITY TO SELECT GRANTEES
AND DETERMINE AWARDS

      (a)   Committee. The Plan shall be administered by either the Board or a
committee of not less than two Independent Directors (in either case, the
"Administrator").

      (b)   Powers of Administrator. The Administrator shall have the power and
authority to grant Awards consistent with the terms of the Plan, including the
power and authority:

            (i)   to select the individuals to whom Awards may from time to time
be granted;

            (ii)  to determine the time or times of grant, and the extent, if
any, of Incentive Stock Options, Non-Qualified Stock Options and Restricted
Stock Awards or any combination of the foregoing, granted to any one or more
grantees;

            (iii) to determine the number of shares of Stock to be covered by
any Award;

            (iv)  to determine and modify from time to time the terms and
conditions, including restrictions, not inconsistent with the terms of the Plan,
of any Award, which terms and conditions may differ among individual Awards and
grantees, and to approve the form of written instruments evidencing the Awards;

            (v)   to accelerate at any time the exercisability or vesting of all
or any portion of any Award;

            (vi)  subject to the provisions of Section 5(a)(ii), to extend at
any time the period in which Stock Options may be exercised; and

            (vii) at any time to adopt, alter and repeal such rules, guidelines
and practices for administration of the Plan and for its own acts and
proceedings as it shall deem advisable; to interpret the terms and provisions of
the Plan and any Award (including related written instruments); to make all
determinations it deems advisable for the administration of the Plan; to decide
all disputes arising in connection with the Plan; and to otherwise supervise the
administration of the Plan.

      All decisions and interpretations of the Administrator shall be binding on
all persons, including the Company and Plan grantees.

      (c)   Delegation of Authority to Grant Awards. The Administrator, in its
discretion, may delegate to the Chief Executive Officer of the Company all or
part of the Administrator's authority and duties with respect to the granting of
Awards at Fair Market Value, to individuals who are not subject to the reporting
and other provisions of Section 16 of the Exchange Act or "covered employees"
within the meaning of Section 162(m) of the Code. Any such delegation by the
Administrator shall include a limitation as to the amount of Awards that may be
granted during the period of the delegation and shall contain guidelines as to
the determination of the exercise price of any Stock Option, the price of
Restricted Stock and the vesting criteria. The Administrator may revoke or amend
the terms of a delegation at any time but such action shall not invalidate any
prior actions of the Administrator's delegate or delegates that were consistent
with the terms of the Plan.
<PAGE>
      (d)   Indemnification. Neither the Administrator, the Board nor the
Committee, nor any member of any of them or any delegatee thereof, shall be
liable for any act, omission, interpretation, construction or determination made
in good faith in connection with the Plan, and the members of the Administrator,
the Board and the Committee (and any delegatee thereof) shall be entitled in all
cases to indemnification and reimbursement by the Company in respect of any
claim, loss, damage or expense (including, without limitation, reasonable
attorneys' fees) arising or resulting therefrom to the fullest extent permitted
by law and/or under any directors' and officers' liability insurance coverage
which may be in effect from time to time.

SECTION 3. STOCK ISSUABLE UNDER THE PLAN; MERGERS; SUBSTITUTION

      (a)   Stock Issuable. The maximum number of shares of Stock reserved and
available for issuance under the Plan shall be 435,000 shares, subject to
adjustment as provided in Section 3(b); provided that not more than 50,000
shares shall be issued in the form of Restricted Stock Awards except to the
extent such Awards are granted in lieu of cash compensation or fees. For
purposes of this limitation, the shares of Stock underlying any Awards which are
forfeited, canceled, reacquired by the Company, satisfied without the issuance
of Stock or otherwise terminated (other than by exercise) shall be added back to
the shares of Stock available for issuance under the Plan. Subject to such
overall limitation, shares of Stock may be issued up to such maximum number
pursuant to any type or types of Award; provided, however, that Stock Options
with respect to no more than 100,000 shares of Stock may be granted to any one
individual grantee during any one calendar year period. The shares available for
issuance under the Plan may be authorized but unissued shares of Stock or shares
of Stock reacquired by the Company and held in its treasury.

      (b)   Changes in Stock. Subject to Section 3(c) hereof, if, as a result of
any reorganization, recapitalization, reclassification, stock dividend, stock
split, reverse stock split or other similar change in the Company's capital
stock, the outstanding shares of Stock are increased or decreased or are
exchanged for a different number or kind of shares or other securities of the
Company, or additional shares or new or different shares or other securities of
the Company or other non-cash assets are distributed with respect to such shares
of Stock or other securities, or, if, as a result of any merger or
consolidation, sale of all or substantially all of the assets of the Company,
the outstanding shares of Stock are converted into or exchanged for a different
number or kind of securities of the Company or any successor entity (or a parent
or subsidiary thereof), the Administrator shall make an appropriate or
proportionate adjustment in (i) the maximum number of shares reserved for
issuance under the Plan, including the maximum number of shares that may be
issued in the form of Restricted Stock Awards, (ii) the number of Stock Options
that can be granted to any one individual grantee, (iii) the number and kind of
shares or other securities subject to any then outstanding Awards under the
Plan, (iv) the repurchase price per share subject to each outstanding Restricted
Stock Award, and (v) the price for each share subject to any then outstanding
Stock Options under the Plan, without changing the aggregate exercise price
(i.e., the exercise price multiplied by the number of Stock Options) as to which
such Stock Options remain exercisable. The adjustment by the Administrator shall
be final, binding and conclusive. No fractional shares of Stock shall be issued
under the Plan resulting from any such adjustment, but the Administrator in its
discretion may make a cash payment in lieu of fractional shares.

      The Administrator may also adjust the number of shares subject to
outstanding Awards and the exercise price and the terms of outstanding Awards to
take into consideration material changes in accounting practices or principles,
extraordinary dividends, acquisitions or dispositions of stock or property or
any other event if it is determined by the Administrator that such adjustment is
appropriate to avoid distortion in the operation of the Plan, provided that no
such adjustment shall be made in the case of an Incentive Stock Option, without
the consent of the grantee, if it would constitute a modification, extension or
renewal of the Option within the meaning of Section 424(h) of the Code.
<PAGE>
      (c)   Mergers and Other Transactions. In the case of and subject to the
consummation of (i) the dissolution or liquidation of the Company, (ii) the sale
of all or substantially all of the assets of the Company on a consolidated basis
to an unrelated person or entity, (iii) a merger, reorganization or
consolidation in which the outstanding shares of Stock are converted into or
exchanged for a different kind of securities of the successor entity and the
holders of the Company's outstanding voting power immediately prior to such
transaction do not own a majority of the outstanding voting power of the
successor entity immediately upon completion of such transaction, or (iv) the
sale of all of the Stock of the Company to an unrelated person or entity (in
each case, a "Sale Event"), all Options that are not exercisable immediately
prior to the effective time of the Sale Event shall become fully exercisable as
of the effective time of the Sale Event and all other Awards with conditions and
restrictions relating solely to the passage of time and continued employment
shall become fully vested and nonforfeitable as of the effective time of the
Sale Event, except as the Administrator may otherwise specify with respect to
particular Awards. Upon the effective time of the Sale Event, the Plan and all
outstanding Awards granted hereunder shall terminate, unless provision is made
in connection with the Sale Event in the sole discretion of the parties thereto
for the assumption or continuation of Awards theretofore granted by the
successor entity, or the substitution of such Awards with new Awards of the
successor entity or parent thereof, with appropriate adjustment as to the number
and kind of shares and, if appropriate, the per share exercise prices, as such
parties shall agree (after taking into account any acceleration hereunder). In
the event of such termination, each grantee shall be permitted, within a
specified period of time prior to the consummation of the Sale Event as
determined by the Administrator, to exercise all outstanding Options held by
such grantee, including those that will become exercisable upon the consummation
of the Sale Event; provided, however, that the exercise of Options not
exercisable prior to the Sale Event shall be subject to the consummation of the
Sale Event.

      Notwithstanding anything to the contrary in this Section 3(c), in the
event of a Sale Event pursuant to which holders of the Stock of the Company will
receive upon consummation thereof a cash payment for each share surrendered in
the Sale Event, the Company shall have the right, but not the obligation, to
make or provide for a cash payment to the grantees holding Options in exchange
for the cancellation thereof, in an amount equal to the difference between (A)
the value as determined by the Administrator of the consideration payable per
share of Stock pursuant to the Sale Event (the "Sale Price") times the number of
shares of Stock subject to outstanding Options (to the extent then exercisable
at prices not in excess of the Sale Price) and (B) the aggregate exercise price
of all such outstanding Options.

      (d)   Substitute Awards. The Administrator may grant Awards under the Plan
in substitution for stock and stock based awards held by employees or other key
persons of another corporation in connection with the merger or consolidation of
the employing corporation with the Company or a Subsidiary or the acquisition by
the Company or a Subsidiary of property or stock of the employing corporation.
The Administrator may direct that the substitute awards be granted on such terms
and conditions as the Administrator considers appropriate in the circumstances.
Any substitute Awards granted under the Plan shall not count against the share
limitation set forth in Section 3(a).

SECTION 4. ELIGIBILITY

      Grantees under the Plan will be such full or part-time officers and other
employees and key persons (including consultants and prospective employees) of
the Company and its Subsidiaries as are selected from time to time by the
Administrator in its sole discretion.

SECTION 5. STOCK OPTIONS

      Any Stock Option granted under the Plan shall be in such form as the
Administrator may from time to time approve.
<PAGE>
      Stock Options granted under the Plan may be either Incentive Stock Options
or Non-Qualified Stock Options. Incentive Stock Options may be granted only to
employees of the Company or any Subsidiary that is a "subsidiary corporation"
within the meaning of Section 424(f) of the Code. To the extent that any Option
does not qualify as an Incentive Stock Option, it shall be deemed a
Non-Qualified Stock Option.

      No Incentive Stock Option shall be granted under the Plan after November
7, 2011.

      (a)   Stock Options Granted to Employees and Key Persons. The
Administrator in its discretion may grant Stock Options to eligible employees
and key persons of the Company or any Subsidiary. Stock Options granted pursuant
to this Section 5(a) shall be subject to the following terms and conditions and
shall contain such additional terms and conditions, not inconsistent with the
terms of the Plan, as the Administrator shall deem desirable. If the
Administrator so determines, Stock Options may be granted in lieu of cash
compensation at the optionee's election, subject to such terms and conditions as
the Administrator may establish.

            (i)   Exercise Price. The exercise price per share for the Stock
covered by a Stock Option granted pursuant to this Section 5(a) shall be
determined by the Administrator at the time of grant but shall not be less than
100 percent of the Fair Market Value on the date of grant in the case of
Incentive Stock Options, or 85 percent of the Fair Market Value on the date of
grant, in the case of Non-Qualified Stock Options (other than options granted in
lieu of cash compensation). If an employee owns or is deemed to own (by reason
of the attribution rules of Section 424(d) of the Code) more than 10 percent of
the combined voting power of all classes of stock of the Company or any parent
corporation or Subsidiary and an Incentive Stock Option is granted to such
employee, the option price of such Incentive Stock Option shall be not less than
110 percent of the Fair Market Value on the grant date.

            (ii)  Option Term. The term of each Stock Option shall be fixed by
the Administrator, but no Stock Option shall be exercisable more than 10 years
after the date the Stock Option is granted. If an employee owns or is deemed to
own (by reason of the attribution rules of Section 424(d) of the Code) more than
10 percent of the combined voting power of all classes of stock of the Company
or any parent corporation or Subsidiary and an Incentive Stock Option is granted
to such employee, the term of such Stock Option shall be no more than five years
from the date of grant.

            (iii) Exercisability; Rights of a Stockholder. Stock Options shall
become exercisable at such time or times, whether or not in installments, as
shall be determined by the Administrator at or after the grant date. The
Administrator may at any time accelerate the exercisability of all or any
portion of any Stock Option. An optionee shall have the rights of a stockholder
only as to shares acquired upon the exercise of a Stock Option and not as to
unexercised Stock Options.

            (iv)  Method of Exercise. Stock Options may be exercised in whole or
in part, by giving written notice of exercise to the Company, specifying the
number of shares to be purchased. Payment of the purchase price may be made by
one or more of the following methods to the extent provided in the Option Award
agreement:

                  (A)   In cash, by certified or bank check or other instrument
acceptable to the Administrator;
<PAGE>
                  (B)   Through the delivery (or attestation to the ownership)
of shares of Stock that have been purchased by the optionee on the open market
or that have been beneficially owned by the optionee for at least six months and
are not then subject to restrictions under any Company plan. Such surrendered
shares shall be valued at Fair Market Value on the exercise date;

                  (C)   By the optionee delivering to the Company a properly
executed exercise notice together with irrevocable instructions to a broker to
promptly deliver to the Company cash or a check payable and acceptable to the
Company for the purchase price; provided that in the event the optionee chooses
to pay the purchase price as so provided, the optionee and the broker shall
comply with such procedures and enter into such agreements of indemnity and
other agreements as the Administrator shall prescribe as a condition of such
payment procedure; or

                  (D)   By the optionee delivering to the Company a promissory
note if the Board has expressly authorized the loan of funds to the optionee for
the purpose of enabling or assisting the optionee to effect the exercise of his
Stock Option; provided that at least so much of the exercise price as represents
the par value of the Stock shall be paid other than with a promissory note if
otherwise required by state law.

                  (E)   Payment instruments will be received subject to
collection. The delivery of certificates representing the shares of Stock to be
purchased pursuant to the exercise of a Stock Option will be contingent upon
receipt from the optionee (or a purchaser acting in his stead in accordance with
the provisions of the Stock Option) by the Company of the full purchase price
for such shares and the fulfillment of any other requirements contained in the
Option Award agreement or applicable provisions of laws. In the event an
optionee chooses to pay the purchase price by previously-owned shares of Stock
through the attestation method, the number of shares of Stock transferred to the
optionee upon the exercise of the Stock Option shall be net of the number of
shares attested to.

            (v)   Annual Limit on Incentive Stock Options. To the extent
required for "incentive stock option" treatment under Section 422 of the Code,
the aggregate Fair Market Value (determined as of the time of grant) of the
shares of Stock with respect to which Incentive Stock Options granted under this
Plan and any other plan of the Company, or its parent and Subsidiaries, become
exercisable for the first time by an optionee during any calendar year shall not
exceed $100,000. To the extent that any Stock Option exceeds this limit, it
shall constitute a Non-Qualified Stock Option.

      (b)   Non-transferability of Options. No Stock Option shall be
transferable by the optionee otherwise than by will or by the laws of descent
and distribution and all Stock Options shall be exercisable, during the
optionee's lifetime, only by the optionee, or by the optionee's legal
representative or guardian in the event of the optionee's incapacity.
Notwithstanding the foregoing, the Administrator, in its sole discretion, may
provide in the Award agreement regarding a given Option that the optionee may
transfer his Non Qualified Stock Options to members of his immediate family, to
trusts for the benefit of such family members, or to partnerships in which such
family members are the only partners, provided that the transferee agrees in
writing with the Company to be bound by all of the terms and conditions of this
Plan and the applicable Option.

SECTION 6. RESTRICTED STOCK AWARDS

      (a)   Nature of Restricted Stock Awards. A Restricted Stock Award is an
Award entitling the recipient to acquire, at such purchase price as determined
by the Administrator, shares of Stock subject to such restrictions and
conditions as the Administrator may determine at the time of grant ("Restricted
Stock"). Conditions may be based on continuing employment (or other service
relationship) and/or achievement of pre-established
<PAGE>
performance goals and objectives. The grant of a Restricted Stock Award is
contingent on the grantee executing the Restricted Stock Award agreement. The
terms and conditions of each such agreement shall be determined by the
Administrator, and such terms and conditions may differ among individual Awards
and grantees.

      (b)   Rights as a Stockholder. Upon execution of a written instrument
setting forth the Restricted Stock Award and payment of any applicable purchase
price, a grantee shall have the rights of a stockholder with respect to the
voting of the Restricted Stock, subject to such conditions contained in the
written instrument evidencing the Restricted Stock Award. Unless the
Administrator shall otherwise determine, certificates evidencing the Restricted
Stock shall remain in the possession of the Company until such Restricted Stock
is vested as provided in Section 6(d) below, and the grantee shall be required,
as a condition of the grant, to deliver to the Company a stock power endorsed in
blank.

      (c)   Restrictions. Restricted Stock may not be sold, assigned,
transferred, pledged or otherwise encumbered or disposed of except as
specifically provided herein or in the Restricted Stock Award agreement. If a
grantee's employment (or other service relationship) with the Company and its
Subsidiaries terminates for any reason, the Company shall have the right to
repurchase Restricted Stock that has not vested at the time of termination at
its original purchase price, from the grantee or the grantee's legal
representative.

      (d)   Vesting of Restricted Stock. The Administrator at the time of grant
shall specify the date or dates and/or the attainment of pre-established
performance goals, objectives and other conditions on which the
non-transferability of the Restricted Stock and the Company's right of
repurchase or forfeiture shall lapse. Subsequent to such date or dates and/or
the attainment of such pre-established performance goals, objectives and other
conditions, the shares on which all restrictions have lapsed shall no longer be
Restricted Stock and shall be deemed "vested." Except as may otherwise be
provided by the Administrator either in the Award agreement or, subject to
Section 9 below, in writing after the Award agreement is issued, a grantee's
rights in any shares of Restricted Stock that have not vested shall
automatically terminate upon the grantee's termination of employment (or other
service relationship) with the Company and its Subsidiaries and such shares
shall be subject to the Company's right of repurchase as provided in Section
6(c) above.

      (e)   Waiver, Deferral and Reinvestment of Dividends. The Restricted Stock
Award agreement may require or permit the immediate payment, waiver, deferral or
investment of dividends paid on the Restricted Stock.

SECTION 7. TAX WITHHOLDING

      (a)   Payment by Grantee. Each grantee shall, no later than the date as of
which the value of an Award or of any Stock or other amounts received thereunder
first becomes includable in the gross income of the grantee for Federal income
tax purposes, pay to the Company, or make arrangements satisfactory to the
Administrator regarding payment of, any Federal, state, or local taxes of any
kind required by law to be withheld with respect to such income. The Company and
its Subsidiaries shall, to the extent permitted by law, have the right to deduct
any such taxes from any payment of any kind otherwise due to the grantee. The
Company's obligation to deliver stock certificates to any grantee is subject to
and conditioned on tax obligations being satisfied by the grantee.

      (b)   Payment in Stock. Subject to approval by the Administrator, a
grantee may elect to have the minimum required tax withholding obligation
satisfied, in whole or in part, by (i) authorizing the Company to withhold from
shares of Stock to be issued pursuant to any Award a number of shares with an
aggregate Fair Market Value (as of the date the withholding is effected) that
would satisfy the withholding amount due, or (ii) transferring to the Company
shares of Stock owned by the grantee with an aggregate Fair Market Value (as of
the date the withholding is effected) that would satisfy the withholding amount
due.
<PAGE>
SECTION 8. TRANSFER, LEAVE OF ABSENCE, ETC.

      For purposes of the Plan, the following events shall not be deemed a
termination of employment:

      (a)   a transfer to the employment of the Company from a Subsidiary or
from the Company to a Subsidiary, or from one Subsidiary to another; or

      (b)   an approved leave of absence for military service or sickness, or
for any other purpose approved by the Company, if the employee's right to
re-employment is guaranteed either by a statute or by contract or under the
policy pursuant to which the leave of absence was granted or if the
Administrator otherwise so provides in writing.

SECTION 9. AMENDMENTS AND TERMINATION

      The Board may, at any time, amend or discontinue the Plan and the
Administrator may, at any time, amend or cancel any outstanding Award for the
purpose of satisfying changes in law or for any other lawful purpose, but no
such action shall adversely affect rights under any outstanding Award without
the holder's consent. If and to the extent determined by the Administrator to be
required by the Code to ensure that Incentive Stock Options granted under the
Plan are qualified under Section 422 of the Code, if and to the extent intended
to so qualify, Plan amendments shall be subject to approval by the Company
stockholders entitled to vote at a meeting of stockholders. Nothing in this
Section 9 shall limit the Administrator's authority to take any action permitted
pursuant to Section 3(c).

SECTION 10. STATUS OF PLAN

      With respect to the portion of any Award that has not been exercised and
any payments in cash, Stock or other consideration not received by a grantee, a
grantee shall have no rights greater than those of a general creditor of the
Company unless the Administrator shall otherwise expressly determine in
connection with any Award or Awards. In its sole discretion, the Administrator
may authorize the creation of trusts or other arrangements to meet the Company's
obligations to deliver Stock or make payments with respect to Awards hereunder,
provided that the existence of such trusts or other arrangements is consistent
with the foregoing sentence.

SECTION 11. CHANGE OF CONTROL PROVISIONS

      Upon the occurrence of a Change of Control as defined in this Section 11:

      (a)   Except as otherwise provided in the applicable Award agreement, each
outstanding Stock Option shall automatically become fully exercisable.

      (b)   Except as otherwise provided in the applicable Award Agreement,
conditions and restrictions on each outstanding Restricted Stock Award, which
relate solely to the passage of time and continued employment will be removed.
Performance or other conditions (other than conditions and restrictions relating
solely to the passage of time and continued employment) will continue to apply
unless otherwise provided in the applicable Award agreement.
<PAGE>
      (c)   "Change of Control" shall mean the occurrence of any one of the
following events:

            (i)   any "Person," as such term is used in Sections 13(d) and 14(d)
of the Act (other than the Company, any of its Subsidiaries, or any trustee,
fiduciary or other person or entity holding securities under any employee
benefit plan or trust of the Company or any of its Subsidiaries), together with
all "affiliates" and "associates" (as such terms are defined in Rule 12b-2 under
the Exchange Act) of such person, shall become the "beneficial owner" (as such
term is defined in Rule 13d-3 under the Exchange Act), directly or indirectly,
of securities of the Company representing 25 percent or more of the combined
voting power of the Company's then outstanding securities having the right to
vote in an election of the Company's Board of Directors ("Voting Securities")
(in such case other than as a result of an acquisition of securities directly
from the Company); or

            (ii)  persons who, as of the Effective Date, constitute the
Company's Board of Directors (the "Incumbent Directors") cease for any reason,
including, without limitation, as a result of a tender offer, proxy contest,
merger or similar transaction, to constitute at least a majority of the Board,
provided that any person becoming a director of the Company subsequent to the
Effective Date shall be considered an Incumbent Director if such person's
election was approved by or such person was nominated for election by either (A)
a vote of at least a majority of the Incumbent Directors or (B) a vote of at
least a majority of the Incumbent Directors who are members of a nominating
committee comprised, in the majority, of Incumbent Directors; but provided
further, that any such person whose initial assumption of office is in
connection with an actual or threatened election contest relating to the
election of members of the Board of Directors or other actual or threatened
solicitation of proxies or consents by or on behalf of a Person other than the
Board, including by reason of agreement intended to avoid or settle any such
actual or threatened contest or solicitation, shall not be considered an
Incumbent Director; or

            (iii) the consummation of a consolidation, merger or consolidation
or sale or other disposition of all or substantially all of the assets of the
Company (a "Corporate Transaction"); excluding, however, a Corporate Transaction
in which the stockholders of the Company immediately prior to the Corporate
Transaction, would, immediately after the Corporate Transaction, beneficially
own (as such term is defined in Rule 13d-3 under the Act), directly or
indirectly, shares representing in the aggregate more than 50 percent of the
voting shares of the corporation issuing cash or securities in the Corporate
Transaction (or of its ultimate parent corporation, if any); or

            (iv)  the approval by the stockholders of any plan or proposal for
the liquidation or dissolution of the Company.

      Notwithstanding the foregoing, a "Change of Control" shall not be deemed
to have occurred for purposes of the foregoing clause (i) solely as the result
of an acquisition of securities by the Company which, by reducing the number of
shares of Voting Securities outstanding, increases the proportionate number of
shares of Voting Securities beneficially owned by any person to 25 percent or
more of the combined voting power of all then outstanding Voting Securities;
provided, however, that if any person referred to in this sentence shall
thereafter become the beneficial owner of any additional shares of Voting
Securities (other than pursuant to a stock split, stock dividend, or similar
transaction or as a result of an acquisition of securities directly from the
Company) and immediately thereafter beneficially owns 25 percent or more of the
combined voting power of all then outstanding Voting Securities, then a "Change
of Control" shall be deemed to have occurred for purposes of the foregoing
clause (i).
<PAGE>
SECTION 12. GENERAL PROVISIONS

      (a)   No Distribution; Compliance with Legal Requirements. The
Administrator may require each person acquiring Stock pursuant to an Award to
represent to and agree with the Company in writing that such person is acquiring
the shares without a view to distribution thereof.

      No shares of Stock shall be issued pursuant to an Award until all
applicable securities law and other legal and stock exchange or similar
requirements have been satisfied. The Administrator may require the placing of
such stop-orders and restrictive legends on certificates for Stock and Awards as
it deems appropriate.

      (b)   Delivery of Stock Certificates. Stock certificates to grantees under
this Plan shall be deemed delivered for all purposes when the Company or a stock
transfer agent of the Company shall have mailed such certificates in the United
States mail, addressed to the grantee, at the grantee's last known address on
file with the Company.

      (c)   Other Compensation Arrangements; No Employment Rights. Nothing
contained in this Plan shall prevent the Board from adopting other or additional
compensation arrangements, including trusts, and such arrangements may be either
generally applicable or applicable only in specific cases. The adoption of this
Plan and the grant of Awards do not confer upon any employee any right to
continued employment with the Company or any Subsidiary.

      (d)   Trading Policy Restrictions. Option exercises and other Awards under
the Plan shall be subject to such Company's insider trading policy, as in effect
from time to time.

      (e)   Loans to Grantees. The Company shall have the authority to make
loans to grantees of Awards hereunder (including to facilitate the purchase of
shares) and shall further have the authority to issue shares for promissory
notes hereunder.

      (f)   Designation of Beneficiary. Each grantee to whom an Award has been
made under the Plan may designate a beneficiary or beneficiaries to exercise any
Award or receive any payment under any Award payable on or after the grantee's
death. Any such designation shall be on a form provided for that purpose by the
Administrator and shall not be effective until received by the Administrator. If
no beneficiary has been designated by a deceased grantee, or if the designated
beneficiaries have predeceased the grantee, the beneficiary shall be the
grantee's estate.

SECTION 13. EFFECTIVE DATE OF PLAN

      This Plan shall become effective upon approval by the holders of a
majority of the votes cast at a meeting of stockholders at which a quorum is
present. Subject to such approval by the stockholders and to the requirement
that no Stock may be issued hereunder prior to such approval, Stock Options and
other Awards may be granted hereunder on and after adoption of this Plan by the
Board.
<PAGE>
SECTION 14. GOVERNING LAW

      This Plan and all Awards and actions taken thereunder shall be governed
by, and construed in accordance with, the laws of The Commonwealth of
Massachusetts, applied without regard to conflict of law principles.

      DATE APPROVED BY BOARD OF DIRECTORS:  November 8, 2001

      DATE APPROVED BY STOCKHOLDERS:  FEBRUARY 12, 2002

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