Document:

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                                  Exhibit 10.25

                               AMENDMENT TO LEASE

            THIS AGREEMENT OF LEASE (this "Lease") made as of the 24th day of
March, 2003, by and between SEYMOUR R. POWERS, TRUSTEE, AND LEON GRISS,
individuals, with an office address c/o M&M Realty, Commerce Park, P.O. Box
581,7 Finance Drive, Danbury, Connecticut 06810 (together, the "LESSOR") and
ADVANCED TECHNOLOGY MATERIALS, INC., a corporation organized and existing under
the laws of the State of Delaware with an office address at 6 Commerce Drive,
Danbury, Connecticut 06810 (the "LESSEE").

                                    RECITALS:

            By Lease Agreement dated November 22nd, 2000 (the "LEASE"), the
Landlord leased to Tenant approximately 31,300 square feet in the building
commonly known as 6 Commerce Drive, Danbury, Connecticut, which Premises are
described in the Lease as the "Premises". Under the Lease, the Tenant was
granted an Initial Term ending June 30, 2006, together with Renewal Terms as set
forth therein. Tenant has requested a two (2) year extension to the Initial Term
so that it expires June 30, 2008 and Landlord has agreed to grant the extension.
All capitalized terms not defined herein shall have the meaning set forth in the
Lease.

            NOW, THEREFORE, in consideration of the Premises, the parties hereto
agree as follows:

            1. Term. The Premises shall be leased to Tenant for an Initial Term
ending June 30, 2008, which Landlord and Tenant stipulate and agree is the date
the Initial Term of the Lease ends unless the term is extended pursuant to
Section 23 of the Lease. The Tenant's options to renew pursuant to Section 23 of
the Lease shall remain in full force and effect without change notwithstanding
the extension of the Initial Term set forth herein.

            2. Fixed Rent. Section 5.1 of the Lease is amended to provide that
during the portion of the Initial Term (as extended by this Agreement)
commencing July 1, 2006 and ending June 30, 2008, the Fixed Rent will be reduced
to $202,278.45 per annum payable in equal monthly installments of $16,856.54.
Section 5.2 is hereby amended to change the date references from July 1, 2006 to
July 1, 2008 and to provide that the Fixed Rent during the first Renewal Term
commencing July 1, 2008 shall be $211,275.00 per annum payable in equal monthly
installments of $17,606.25. Section 5.3 is hereby amended to change the date
references from July 1, 2011 to July 1, 2013.

            3. No Other Amendments. Except as set forth herein, the Lease
remains in full force and effect and otherwise unamended.

<PAGE>

            IN WITNESS WHEREOF, the Landlord and Tenant have executed and
delivered this Amendment to Lease of the day near first above written.

Signed, sealed and delivered
in the presence of:          LESSOR:

                             By:   SEYMOUR R. POWERS, TRUSTEE
__________________________   --------------------------------

                             By: LEON GRISS
__________________________   --------------------------------

                             LESSEE:

                             ADVANCED TECHNOLOGY MATERIALS, INC.

                             By: DANIEL P. SHARKEY
                             Its Vice President and Chief Financial OfficerEX-10.2

 

Exhibit 10.2

HENRY SCHEIN, INC.

SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN

AMENDED AND RESTATED EFFECTIVE MARCH 1, 2005

     This Plan was originally established, effective as of January 1, 1994, and was amended and
restated effective as of February 9, 1998, to provide deferred compensation to a select group of
management and highly compensated employees of Henry Schein, Inc. and certain Associated Companies
(as defined herein). The Plan is now amended and restated effective March 1, 2005 as set forth
herein. The benefits are intended to supplement the benefits payable under the Qualified Plan (as
defined herein).

1. Definitions. For purposes of this Plan, the following definitions apply:

(a) “Associated Company” means with respect to the Supplemental Accounts hereunder (other than the
ESOP Supplemental Accounts), such corporations and other entities presently or in the future
existing, which are (a) members of the controlled group which includes the Company or are under
common control with the Company, as such terms are defined in Section 414 of the Code, but only
during such period as such corporations or entities are members of the controlled group which
includes the Company or are under common control with the Company; and (b) any other entity
required to be aggregated with the Company pursuant to Section 414(m) or (o) of the Code, but only
during the period the entity is required to be so aggregated. With respect to the ESOP
Supplemental Accounts hereunder, Associated Company means any entity described above and any
corporation which is a member of the same controlled group of corporations with the Company, as
defined in Section 409(l)(4) of the Code.

(b) “Beneficiary” means, unless otherwise specified by the Participant in a written election filed
with the Committee, the person or persons (if any) designated by the Participant under the
Qualified Plan (or otherwise designated under the terms of the Qualified Plan if no such
designation is made), to receive his benefits under the Qualified Plan in the event of the
Participant’s death.

(c) “Board” means the Board of Directors of the Company.

(d) “Change of Control” means a change of control as provided in Exhibit A hereto.

(e) “Code” means the Internal Revenue Code of 1986, as amended.

(f) “Committee” means the committee, if any, appointed by the Board to administer this Plan on its
behalf. If no committee is appointed, the Board shall be deemed to be the Committee.

(g) “Company” means Henry Schein, Inc. and any successor by merger, consolidation, purchase or
otherwise.

(h) “Company Stock Fund” means an investment vehicle under the Qualified Plan which is intended to
invest primarily in the common stock of the Company, $.01 par value, subject to

 

 

adjustments in such common stock for changes in the Company’s capital structure as provided under
the Qualified Plan.

(j) “Earnings” means, for any Plan Year, the sum of: (i) Profit Sharing Earnings,

(ii) Matching Contribution Earnings, and (iii) ESOP Earnings, provided that any Earnings credited
prior to the Restatement Date shall be determined in accordance with the terms of the Plan then in
effect.

(k) “Eligible Employee” means an Executive specifically designated by the Committee as an Eligible
Employee under this Plan.

(l) “Employee” means any person employed by an Employer other than an agent or independent
contractor.

(m) “Employer” means the Company and any Associated Company which is a Member Company under the
Qualified Plan and is approved as a participating employer hereunder by the Board.

(n) “ERISA” means the Employee Retirement Income Security Act of 1974, as amended.

(o) “ESOP” means the Henry Schein, Inc. Employee Stock Ownership Plan, effective as of January 1,
1994, which was merged into the Qualified Plan effective as of April 1, 1998.

(p) “ESOP Earnings” means, for any Plan Year, a book-entry amount to be credited as earnings or
losses to a Participant’s ESOP Supplemental Account equal to the earnings and losses that would be
accrued by the Participant’s ESOP Supplemental Account if it were invested in the Company Stock
Fund under the Qualified Plan.

(q) “ESOP Supplemental Account” means the Participant’s account with respect to contributions of
Company common stock by the Employer that were specifically allocated to the ESOP Supplemental
Account prior to April 1, 1998 plus any ESOP Earnings thereon.

(r) “Excess Compensation” means the excess, if any, of (1) the Eligible Employee’s compensation for
the calendar year that would constitute Base Compensation, as defined in the Qualified Plan, but
for any statutory limitations on the amount of Base Compensation, over (2) the Recognized
Compensation.

(s) “Executive” means a Top Hat Employee of an Employer with Excess Compensation or a Top Hat
Employee who had Excess Compensation and participated in the Plan prior to the Restatement Date.

(t) “Forfeiture” means in the event a Participant incurs a Termination of Employment, any portion
of the Participant’s Supplemental Account to which the Participant is not then entitled pursuant to
Sections 4(a) or (b) hereof shall be forfeited.

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(u) “Key Employee” means a Participant who is a “key employee” as defined in Section 416(i) of the
Code without regard to paragraph (5) thereof.

(v) “Matching Contribution Earnings” means, for any Plan Year, a book-entry amount to be credited
as earnings or losses to a Participant’s Matching Contribution Supplemental Account equal to the
earnings or losses that would accrue if:

(i) forty percent (40%) of the Participant’s Matching Contribution Supplemental Account
were invested in the Company Stock Fund; and

(ii) sixty percent (60%) of the Participant’s Matching Contribution Supplemental Account
were invested in equal installments in each of the investment funds available under the
Qualified Plan other than the Company Stock Fund.

(w) “Matching Contribution Supplemental Account” means the Participant’s account with respect to
matching contributions by the Employer pursuant to the terms hereof that are specifically allocated
to the Matching Contribution Supplemental Account plus any Matching Contribution Earnings thereon.

(x) “Normal Retirement Date” means the day on which a Participant attains age sixty-five (65) while
employed by the Employer.

(y) “Participant” means any Eligible Employee who shall have become a Participant in the Plan in
accordance with the provisions of Section 2 hereof, and whose participation shall not have ceased.
A Participant’s participation shall cease upon such Participant’s ceasing to be an Eligible
Employee. Any individual for whom an ESOP Supplemental Account was established prior to April 1,
1998 shall continue to be a Participant hereunder until such individual incurs a Termination of
Employment.

(z) “Plan” means the Henry Schein, Inc. Supplemental Executive Retirement Plan, as amended from
time to time.

(aa) “Plan Year” means the calendar year.

(bb) “Profit Sharing Earnings” means, for any Plan Year, a book-entry amount to be credited as
earnings or losses to a Participant’s Profit Sharing Plan Supplemental Account equal to the
earnings or losses that would accrue with respect to a Participant’s Profit Sharing Supplemental
Account if it were invested in equal amounts in each of the investment funds available under the
Qualified Plan, other than the Company Stock Fund.

(cc) “Profit Sharing Supplemental Account” means the Participant’s account with respect to profit
sharing contributions by the Employer pursuant to the terms hereof that are specifically allocated
to the Profit Sharing Supplemental Account plus any Profit Sharing Earnings thereon.

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(dd) “Qualified Plan” means the Henry Schein, Inc. 401(k) Savings Plan, amended and restated
effective as of January 1, 1997 and as amended from time to time.

(ee) “Recognized Compensation” means the dollar limitation pursuant to Code Section 402(g) for the
Plan Year divided by seven percent (7%).

(ff) “Restatement Date” means March 1, 2005.

(gg) “Supplemental Account” shall mean the sum of the Participant’s Matching Contribution
Supplemental Account, Profit Sharing Supplemental Account and the ESOP Supplemental Account.

(hh) “Supplemental Benefit” means the benefit payable under this Plan, which shall be payable in a
single lump sum cash payment.

(ii) “Termination of Employment” means termination of employment as an Employee of the Employer and
all Associated Companies for any reason whatsoever, including, but not limited to, death,
retirement, resignation or firing (with or without cause).

(jj) “Top Hat Employee” means an Employee who is a member of a select group of management or highly
compensated employees of the Employer who may participate in a plan within the meaning of Section
301(a)(3) of ERISA.

(kk) “Year of Service” means a period of twelve (12) consecutive calendar months during which an
Employee completes at least one Hour of Service (as defined in the Qualified Plan) in each
consecutive calendar month.

     To the extent not inconsistent with the foregoing definitions and the terms hereof, any
defined terms used in this Plan shall have the same meaning as in the Qualified Plan.

2. Participation.

     (a) Each present Participant shall continue to be a Participant in the Plan. Any other
Eligible Employee that has an Employment Commencement Date on or after the Restatement Date shall
become a Participant in the Plan on the first day of the calendar quarter following the
Participant’s completion of a Year of Service.

     (b) Any Participant who is reemployed as an Eligible Employee and whose reparticipation is
approved by the Committee shall become a Participant in the Plan as of the date of his or her
reemployment.

3. Contributions and Amount of Supplemental Benefits.

     (a) If an Employer makes an employer profit sharing contribution to the Qualified Plan for the
Plan Year on behalf of a Participant, the Employer shall make a book-entry

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contribution to the Profit Sharing Supplemental Account, in the manner indicated below, of
each Participant employed by that Employer in an amount equal to the same percentage of Excess
Compensation as the contribution under the Qualified Plan was with respect to Recognized
Compensation; provided that no contribution shall be made to the Profit Sharing Supplemental
Account for any Participant for such Plan Year unless either (i) the Participant is employed by the
Employer or an Associated Company on the last day of the Plan Year and has completed one thousand
(1,000) Hours of Service (as defined in the Qualified Plan) during the Plan Year or (ii) the
Participant retired at or after his or her Normal Retirement Date, died or incurred (and satisfied
all of the requirements for) a Disability (as defined in the Qualified Plan) during the Plan Year.

     (b) If a Participant elects to make the maximum 401(k) savings plan contribution to the
Qualified Plan for a Plan Year as permitted under the Code and the terms of the Qualified Plan, the
Employer shall make a book-entry contribution to the Supplemental Matching Contribution Account of
such Participant in the manner indicated below, in an amount equal to (i) the matching contribution
percentage made on behalf of the Participant under the Qualified Plan multiplied by the sum of the
Participant’s Excess Compensation plus Recognized Compensation, less (ii) the matching contribution
made by the Employer under the Qualified Plan; provided that no contribution shall be made to the
Matching Contribution Supplemental Account for any calendar quarter for any Participant who is not
a participant under the Qualified Plan during such calendar quarter.

     (c) A Participant’s Supplemental Benefit shall consist of the vested balance in his
Supplemental Account.

     (d) The Employer shall allocate the book-entry contribution to the Profit Sharing Supplemental
Account and the Matching Contribution Supplemental Account on the same basis as profit sharing
contributions and matching contributions, as applicable, are made to the Qualified Plan for the
Plan Year. Any amounts allocated to an ESOP Supplemental Account prior to April 1, 1998 shall be
deemed to purchase shares of common stock of the Company at the same price per share as the ESOP’s
most recent purchase of Company common stock.

     (e) Notwithstanding anything herein to the contrary, the Employer shall account for the
portion of a Participant’s Supplemental Benefit that was vested as of December 31, 2004 and
Earnings thereon separately from the remaining portion of a Participant’s Supplemental Benefit.

4. Vesting and Forfeitures.

     (a) The portion of the Supplemental Account attributable to contributions made prior to
January 1, 2005, with regard to a Participant who is credited with an Hour of Service (as defined
in the Qualified Plan) prior to February 9, 1998, shall become vested and nonforfeitable when and
to the extent that the Participant shall have completed the number of Years of Service set forth
below.

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Vesting Schedule

	 	 	 	 	 
	Completed Years of Service	 	Vested Percentage
	Less than 1 year
	 	 	0	%
	1 year but less than 2 years
	 	 	10	%
	2 years but less than 3 years
	 	 	20	%
	3 years but less than 4 years
	 	 	30	%
	4 years but less than 5 years
	 	 	40	%
	5 or more years
	 	 	100	%

     The portion of the Supplemental Account attributable to contributions made prior to January 1,
2005, with regard to a Participant who is first credited with an Hour of Service (as defined under
the Qualified Plan) on or after February 9, 1998, shall become vested and nonforfeitable when and
to the extent that the Participant shall have completed the number of Years of Service set forth
below.

Vesting Schedule

	 	 	 	 	 
	Completed Years of Service	 	Vested Percentage
	Less than 4 years
	 	 	0	%
	4 years
	 	 	30	%
	5 years
	 	 	100	%

     The portion of the Supplemental Account of a Participant attributable to contributions made on
or after January 1, 2005, shall become vested and nonforfeitable when and to the extent that the
Participant shall have completed the number of Years of Service set forth below.

	 	 	 
	Completed Years of Service	 	Vested Percentage
	Less than 1 year	 	0%
	1 year but less than 2 years	 	0%
	2 years but less than 3 years	 	20%
	3 years but less than 4 years	 	40%
	4 years but less than 5 years	 	60%
	5 or more years	 	100%

     (b) Notwithstanding the provisions of paragraph (a) to the contrary, if while a Participant is
an Employee (i) the Participant shall attain his or her Normal Retirement Date, (ii) the
Participant shall die or incur a Disability (as defined in the Qualified Plan) or (iii) there shall
be a Change of Control, the Participant’s entire interest in his or her Supplemental Account shall
become non-forfeitable.

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     (c) A Forfeiture shall be deemed to take place upon the Termination of Employment.

     (d) If an Employee whose Supplemental Account was forfeited in its entirety pursuant to
subsection (c) above upon Termination of Employment again becomes employed by a participating
Employer or an Associated Company, the amount of the Employee’s Forfeiture shall only be restored
to his or her Supplemental Account to the extent determined by the Committee, and any credit for
Years of Service prior to such reemployment shall be as fixed by the Committee and, if not so
fixed, shall not be recognized.

5. Payment of Supplemental Benefit.

     (a) A Participant’s Supplemental Benefit shall be paid in a single lump sum cash payment (as
described in subsection (d) below) as soon as practicable following Termination of Employment
(other than as a result of death), provided that upon the Termination of Employment (other than as
a result of death) of a Key Employee, payment of the Participant’s Supplemental Benefit shall not
be paid until six months after such Participant’s Termination of Employment.

     (b) A Participant’s Supplemental Benefit shall be paid to the Participant’s Beneficiary in a
single lump sum cash payment (as described in subsection (d) below) as soon as administratively
feasible following the Participant’s death while employed or while awaiting payment under (a)
above.

     (c) Notwithstanding the above, upon the occurrence of a Change of Control, each Participant’s
then accrued vested Supplemental Benefit shall be promptly paid in a lump sum cash payment (as
described in subsection (d) below) to such Participant.

     (d) Any payment of a Participant’s Supplemental Benefit shall be made in a single lump sum
cash payment in an amount equal to the vested portion of the Participant’s Account.

6. Claims Procedure.

     (a) Any claim by a Participant or former Participant or Beneficiary (“Claimant”) with respect
to eligibility, participation, contributions, benefits or other aspects of the operation of the
Plan shall be made in writing to the Committee for such purpose. The Committee shall provide the
Claimant with the necessary forms and make all determinations as to the right of any person to a
disputed benefit. If a Claimant is denied benefits under the Plan, the Committee shall notify the
Claimant in writing of the denial of the claim within ninety (90) days after the Committee receives
the claim, provided that in the event of special circumstances such period may be extended. The
ninety (90) day period may be extended up to ninety (90) days (for a total of one hundred eighty
(180) days).

     If the initial ninety (90) day period is extended, the Committee shall notify the Claimant in
writing within ninety (90) days of receipt of the claim. The written notice of extension shall
indicate the special circumstances requiring the extension of time and provide the date by which

7

 

the Committee expects to make a determination with respect to the claim. If the extension is
required due to the Claimant’s failure to submit information necessary to decide the claim, the
period for making the determination will be tolled from the date on which the extension notice is
sent to the Claimant until the earlier of: (i) the date on which the Claimant responds to the
Committee’s request for information; or (ii) expiration of the forty-five (45) day period
commencing on the date that the Claimant is notified that the requested additional information must
be provided. If notice of the denial of a claim is not furnished within the required time period
described herein, the claim shall be deemed denied as of the last day of such period.

     If the claim is wholly or partially denied, the notice to the Claimant shall set forth:

	 	(i)	 	The specific reason or reasons for the denial;
	 
	 	(ii)	 	Specific reference to pertinent Plan provisions upon which the denial is based;
	 
	 	(iii)	 	A description of any additional material or information necessary for the
Claimant to complete the claim request and an explanation of why such material or
information is necessary;
	 
	 	(iv)	 	Appropriate information as to the steps to be taken and the applicable time
limits if the Claimant wishes to submit the adverse determination for review; and
	 
	 	(v)	 	A statement of the Claimant’s right to bring a civil action under Section
502(a) of ERISA following an adverse determination on review.

     (b) If the claim has been wholly or partially denied, the Claimant may submit the claim for
review by the Committee. Any request for review of a claim must be made in writing to the
Committee no later than sixty (60) days after the Claimant receives notification of denial or, if
no notification was provided, the date the claim is deemed denied. The Claimant or his duly
authorized representative may:

	 	(i)	 	Upon request and free of charge, be provided with reasonable access to, and
copies of, relevant documents, records, and other information relevant to the
Claimant’s claim; and
	 
	 	(ii)	 	Submit written comments, documents, records, and other information relating to
the claim. The review of the claim determination shall take into account all comments,
documents, records, and other information submitted by the Claimant relating to the
claim, without regard to whether such information was submitted or considered in the
initial claim determination.

     (c) The decision of the Committee shall be made within sixty (60) days after receipt of the
Claimant’s request for review, unless special circumstances (including, without limitation, the
need to hold a hearing) require an extension. In the event of special circumstances, the sixty (60)
day period may be extended for a period of up to one hundred twenty (120) days.

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     If the initial sixty (60) day period is extended, the Committee shall, within sixty (60) days
of receipt of the claim for review, notify the Claimant in writing. The written notice of
extension shall indicate the special circumstances requiring the extension of time and provide the
date by which the Committee expects to make a determination with respect to the claim upon review.
If the extension is required due to the Claimant’s failure to submit information necessary to
decide the claim, the period for making the determination will be tolled from the date on which the
extension notice is sent to the Claimant until the earlier of: (i) the date on which the Claimant
responds to the Plan’s request for information; or (ii) expiration of the forty-five (45) day
period commencing on the date that the Claimant is notified that the requested additional
information must be provided. If notice of the decision upon review is not furnished within the
required time period described herein, the claim on review shall be deemed denied as of the last
day of such period.

     The Committee, in its sole discretion, may hold a hearing regarding the claim and request that
the Claimant attend. If a hearing is held, the Claimant shall be entitled to be represented by
counsel.

     (d) The Committee’s decision upon review on the Claimant’s claim shall be communicated to the
Claimant in writing. If the claim upon review is denied, the notice to the Claimant shall set
forth:

	 	(i)	 	The specific reason or reasons for the decision, with references to the
specific Plan provisions on which the determination is based;
	 
	 	(ii)	 	A statement that the Claimant is entitled to receive, upon request and free of
charge, reasonable access to, and copies of, all documents, records and other
information relevant to the claim; and
	 
	 	(iii)	 	A statement of the Claimant’s right to bring a civil action under Section
502(a) of ERISA.

     (e) The Committee shall have the full power and authority to interpret, construe and
administer this Plan in its sole discretion based on the provisions of the Plan and to decide any
questions and settle all controversies that may arise in connection with the Plan. Both the
Committee’s and the Board’s interpretations and construction thereof, and actions thereunder, made
in the sole discretion of the Committee and the Board, including any valuation of the Supplemental
Plus Benefit, any determination under this Section 6, or the amount of the payment to be made
hereunder, shall be final, binding and conclusive on all persons for all persons. No member of the
Board or Committee shall be liable to any person for any action taken or omitted in connection with
the interpretation and administration of this Plan.

     (f) No officer, member or former member of the Committee shall be liable for any action or
determination made with respect to the Plan or any benefit under it. To the maximum extent
permitted by applicable law or the Certificate of Incorporation or By-Laws of the Company and to
the extent not covered by insurance, each officer, member or former member of

9

 

the Committee shall be indemnified and held harmless by the Company against any cost or expense
(including reasonable fees of counsel) or liability (including any sum paid in settlement of a
claim), and advanced amounts necessary to pay the foregoing at the earliest time and to the fullest
extent permitted, arising out of any act or omission to act in connection with the Plan, except to
the extent arising out of such officer’s, member’s or former member’s own fraud. Such
indemnification shall be in addition to any rights of indemnification the officers, members or
former members may have as directors under applicable law or under the Certificate of Incorporation
or By-Laws of the Company or any subsidiary of the Company.

     (g) The claims procedures set forth in this section are intended to comply with United States
Department of Labor Regulation § 2560.503-1 and should be construed in accordance with such
regulation. In no event shall it be interpreted as expanding the rights of Claimants beyond what
is required by United States Department of Labor Regulation § 2560.503-1. The Committee may at any
time alter the claims procedure set forth above, so long as the revised claims procedure complies
with ERISA, and the regulations issued thereunder.

     (h) A Claimant must fully exercise all appeal rights provided herein prior to commencing a
civil action under Section 502(a) of ERISA.

7. Construction of Plan.

     (a) Nothing contained in this Plan and no action taken pursuant to the provisions of this Plan
shall create or be construed to create a trust of any kind, or a fiduciary relationship between any
Employer and the Participants, their Beneficiaries or any other person. Any funds which may be
invested under the provisions of this Plan shall continue for all purposes to be part of the
general funds of the applicable Employer and no person other than the applicable Employer shall by
virtue of the provisions of this Plan have any interest in such funds. To the extent that any
person acquires a right to receive payments from any Employer under this Plan, such right shall be
no greater than the right of any unsecured general creditor of the Employer.

     (b) Each Employer shall be liable for the obligations hereunder only with respect to its own
employees, and not with respect to the employees of any other Employer. If a Participant works for
more than one Employer in the same calendar year, then the Participant’s Excess Compensation for
the calendar year shall be allocated pro-rata to each such Employer in proportion to the
Participant’s Base Compensation (including both Recognized Compensation and Excess Compensation)
for the calendar year.

     (c) All expenses incurred in administering the Plan shall be paid by the Employers.

8. Minors and Incompetents. If the Committee shall find that any person to whom payment is
payable under this Plan is unable to care for his affairs because of illness or accident, or is a
minor, any payment due (unless a prior claim therefore shall have been made by a duly appointed
guardian, committee or other legal representative) may be paid to the spouse, a child, parent, or
brother or sister, or to any person deemed by the Committee to have incurred expense for such
person otherwise entitled to payment, in such manner and proportions as the Committee

10

 

may determine it its sole discretion. Any such payment shall be a complete discharge of the
liabilities of the Employer, the Committee and the Board under this Plan.

9. Limitation of Rights. Nothing contained herein shall be construed as conferring upon an
Employee the right to continue in the employ of any Employer as an executive or in any other
capacity or to interfere with the Employer’s right to discharge him or her at any time for any
reason whatsoever.

10. Payment Not Salary. Any Supplemental Benefit payable under this Plan shall not be
deemed salary or other compensation to the Employee for the purposes of computing benefits to which
he or she may be entitled under any pension plan or other arrangement of any Employer for the
benefit of its employees.

11. Severability. In case any provision of this Plan shall be illegal or invalid for any
reason, said illegality or invalidity shall not affect the remaining parts hereof, but this Plan
shall be construed and enforced as if such illegal and invalid provision never existed. To the
extent applicable, this Plan is intended to comply with the applicable requirements of Section 409A
of the Code (and the regulations thereunder) and shall be limited, construed and interpreted in a
manner so as to comply therewith. Notwithstanding anything herein to the contrary, any provision
in this Plan that is inconsistent with Section 409A of the Code (and the regulations thereunder)
shall be deemed to be amended to comply with Section 409A (and the regulations thereunder) and to
the extent such provision cannot be amended to comply therewith, such provision shall be null and
void.

12. Withholding. Each Employer shall have the right to make such provisions as it deems
necessary or appropriate to satisfy any obligations it may have to withhold federal, state or local
income or other taxes incurred by reason of payments pursuant to this Plan.

13. Assignment. This Plan shall be binding upon and inure to the benefit of the Employers,
their successors and assigns and the Participants and their heirs, executors, administrators and
legal representatives. In the event that any Employer sells all or substantially all of the assets
of its business and the acquirer of such assets assumes the obligations hereunder, the Employer
shall be released from any liability imposed herein and shall have no obligation to provide any
benefits payable hereunder.

14. Non-Alienation of Benefits. The benefits payable under this Plan shall not be subject
to alienation, transfer, assignment, garnishment, execution or levy of any kind, and any attempt to
cause any benefits to be so subjected shall not be recognized.

15. Governing Law. To the extent legally required, the Code and ERISA shall govern this
Plan and, if any provision hereof is in violation of any applicable requirement thereof, the
Company reserves the right to retroactively amend this Plan to comply therewith. To the extent not
governed by the Code and ERISA, this Plan shall be governed by the laws of the State of New York.

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16. Amendment or Termination of Plan. The Board or an authorized committee under the
Company’s Bylaws (including the Committee) may, in its sole and absolute discretion, amend this
Plan from time to time in any respect, prospectively or retroactively, and may at any time
terminate the Plan in its entirety. Each Employer may withdraw from this Plan at any time, in
which case it shall be deemed to maintain a separate plan for Participants who are its employees
identical to this Plan except that such Employer shall be deemed to be the Company for all
purposes. Each Employer shall be liable for the vested obligations hereunder with respect to its
employees. No amendment, termination or withdrawal shall reduce or terminate the then vested
benefit (as determined pursuant to Section 4 of the Plan) of any Participant, provided that the
Plan may be amended at any time retroactively or otherwise to comply with applicable law, including
Section 409A of the Code. Upon a termination or withdrawal, Participants’ accounts shall be
distributed in accordance with the terms of the Plan.

17. Non-Exclusivity. The adoption of the Plan by an Employer shall not be construed as
creating any limitations on the power of the Employer to adopt such other supplemental retirement
income arrangements as it deems desirable, and such arrangements may be either generally applicable
or limited in application.

18. Gender and Number. Wherever used in this Plan, the masculine shall be deemed to
include the feminine and the singular shall be deemed to include the plural, unless the context
clearly indicates otherwise.

19. Headings and Captions. The headings and captions herein are provided for reference and
convenience only. They shall not be considered part of the Plan and shall not be employed in the
construction of the Plan.

IN
WITNESS WHEREOF, the Company has caused this Plan to be executed
this 1st
day of March,
2005.

	 	 	 	 	 
	 	 	HENRY SCHEIN, INC.
	 
	 	 	 	 
	 

	 	By:	 	/s/ Michael S. Ettinger
	 

	 	 	 	 
	 

	 	 	 	Name: Michael S. Ettinger
	 

	 	 	 	Title: Vice President, Secretary
and General Counsel

12

 

EXHIBIT A

Change of Control

     For purposes of this Plan, a “Change of Control” shall be deemed to have occurred if: (i) any
person (as defined in Section 3(a)(9) of the Securities Exchange Act of 1934, as amended (the
“Exchange Act”) and as used in Sections 13(d) and 14(d) thereof)), excluding the Company, any
subsidiary thereof, any employee benefit plan sponsored or maintained by the Company, or any
subsidiary thereof (including any trustee of any such plan acting in his or her capacity as
trustee) and any person who (or group which includes a person who) is the beneficial owner (as
defined in Rule 13(d)-3 under the Exchange Act) of at least 15% of the common stock of the Company
(but less than 35%) becomes the beneficial owner (as defined in Rule 13(d)-3 under the Exchange
Act) of shares of the Company having at least 35% of the total number of votes that may be cast for
the election of directors of the Company; (ii) the stockholders of the Company shall approve any
merger or other business combination of the Company, sale of all or substantially all of the
Company’s assets or combination of the foregoing transactions, provided that such transaction
constitutes an acquisition of more than 50% of the total fair market value or total voting power of
the stock of the Company, or, with respect to a sale of assets, results in the sale of 40% or more
of the total gross fair market value of all of the assets of the Company (as determined in
accordance with Section 409A of the Code) immediately prior to such acquisition (a “Transaction”),
other than a Transaction involving only the Company and one or more of its subsidiaries, or a
Transaction immediately following which the stockholders of the Company immediately prior to the
Transaction continue to have a majority of the voting power in the resulting entity (excluding for
this purpose any stockholder owning directly or indirectly more than 10% of the shares of the other
company involved in the Transaction if such stockholder is not the beneficial owner (as defined in
Rule 13(d)-3 under the Exchange Act) of at least 15% of the common stock of the Company); or (iii)
within any 12-month period beginning on or after the date hereof, the persons who were directors of
the Company immediately before the beginning of such period (the “Incumbent Directors”) shall cease
(for any reason other than death) to constitute at least a majority of the board of directors of
the Company or the board of directors of any successor to the Company, provided that, any director
who was not a director as of the date hereof shall be deemed to be an Incumbent Director if such
director was elected to the Board by, or on the recommendation of or with the approval of, at least
a majority of the directors who then qualified as Incumbent Directors either actually or by prior
operation of the foregoing unless such election, recommendation or approval was the result of an
actual or threatened election contest of the type contemplated by Regulation 14a-11 promulgated
under the Exchange Act or any successor provision. Notwithstanding the foregoing, no Change of
Control of the Company shall be deemed to have occurred for purposes of this Plan: (1) by reason of
any Transaction that has been approved by action or vote of a majority of the Incumbent Directors;
or (2) if, for purposes of Section 409A of the Code, such event would not be considered to be a
“change in control event” under Section 409A of the Code.

13

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