Document:

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                                                               EXHIBIT 10.39

                                 FIRST AMENDMENT
                                     TO THE
                      FISHER SCIENTIFIC INTERNATIONAL INC.
                                 RETIREMENT PLAN

      WHEREAS, Fisher Scientific International Inc. desires to amend the Fisher
Scientific International Inc. Retirement Plan (the "Retirement Plan") to grant
service to former employees of Safety Equipment Company (the "SEC"); and

      WHEREAS, Article 10 of the Retirement Plan grants the Administrative and
Investment Committee (the "Committee") the authority to (i) make amendments to
the Retirement Plan which will not involve an estimated annual cost under the
Retirement Plan in excess of $500,000 and (ii) credit certain employees with
retroactive vesting and eligibility service based upon their service with a
prior employer;

      NOW THEREFORE, it hereby is:

      RESOLVED THAT the Retirement Plan be hereby amended as follows:

Schedule D of the Retirement Plan is amended effective January 31, 2002, by the
addition of number 7 as follows:

"7. Safety Equipment Company. A former employee of Safety Equipment Company, who
became an Employee of the Company on January 31, 2002, shall receive credit
under the Cash Balance Plan for purposes of eligibility and vesting, as if his
or her service with Safety Equipment Company had been service with the Company."

      IN WITNESS WHEREOF, the Fisher Scientific International Inc. Retirement
Plan is amended this 10th day of December, 2002.

                                         ADMINISTRATIVE AND INVESTMENT COMMITTEE

                                         /s/ Paul M. Meister
                                         _______________________________________
                                         Paul M. Meister

                                         /s/ Todd M. DuChene
                                         _______________________________________
                                         Todd M. DuChene<PAGE>
                                                            Exhibit 10.40

                                SECOND AMENDMENT

                                     TO THE

                      FISHER SCIENTIFIC INTERNATIONAL INC.

                                 RETIREMENT PLAN

      WHEREAS, the Fisher Scientific International Inc. (the "Company") desires
to amend the Fisher Scientific International Inc. Retirement Plan (the
"Retirement Plan") to reflect provisions required by a collectively bargained
agreement with the United Brotherhood of Carpenters and Joiners and clarify
provisions which do not involve an estimate annual cost increase in excess of
$500,000; and

      WHEREAS, Article 10 of the Retirement Plan grants the Administrative and
Investment Committee (the "Committee") the authority to make (i) amendments to
the Retirement Plan which are required by the provisions of a collective
bargaining agreement between a Company or Fisher (as such terms are defined in
the Retirement Plan) and their employees and (ii) any other amendments which
will not involve an estimated annual cost under the Retirement Plan in excess of
$500,000.

      NOW THEREFORE, it hereby is:

      RESOLVED that the Retirement Plan be hereby amended as follows:

1.    Section 4.3 of Part III of Schedule A (the "Fisher Hamilton Component") of
the Retirement Plan is hereby amended and restated effective December __, 2002
as follows:

      "4.3 At Postponed Retirement Date.

      The annual amount of retirement income payable to a Retired Participant
      whose retirement date is his Postponed Retirement Date shall be the
      greater of (i) the Actuarial Equivalent of the retirement income that
      would have been payable commencing on the Retired Participant's Normal
      Retirement Date if he or she had retired on that date, or (ii) the
      retirement income the Retired Participant accrued as of the postponed
      Retirement Date as provided in Section 4.1 without any actuarial
      adjustment for commencement of such Participant's benefit after Normal
      Retirement Date. To the extent permitted by applicable law, benefits
      calculated under the preceding sentence shall be further reduced by the
      Actuarial Equivalent of all distributions, if any, that have actually been
      made to the Participant, or his or her beneficiary. Each Participant who
      regularly performs less than 40 Hours of Service in a calendar month after
      this Normal Retirement Date shall be deemed to be retired and will have
      his retirement income payable on his deemed retirement date."

2.    Section 13.1 of the Fisher Hamilton Component of the Retirement Plan is
hereby amended and restated effective July 30, 2002 as follows:

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      "13.1 Enhanced Retirement Income for Certain Participants.

      (a) Subject to subsection (c), a Participant (i) who retires on or after
      July 30, 1999; (ii) who is a member of the United Brotherhood of
      Carpenters and Joiners - Midwest Industrial Council - Local 1533 - AFL-CIO
      or a member of District No.10 of the International Association of
      Machinists and Aerospace Workers; (iii) whose age and Years of Service
      equals or exceeds 80 as of July 30, 1999; and (iv) who, prior to July 31,
      2004 and termination of employment, attains age 55, shall receive an
      additional monthly retirement income benefit of $100, payable in the form
      of a life annuity commencing at the same time as such Participant's
      retirement income benefit, without any actuarial adjustment to such
      additional benefit if such benefit commences at a date other than such
      Participant's Normal Retirement Date, provided, that if such additional
      benefit is paid in a form other than a life annuity, with actuarial
      adjustments to take into account such other form.

      (b) Subject to subsection (c), a Participant who, as of July 30, 2002 (i)
      is an active Employee; (ii) who is a member of the United Brotherhood of
      Carpenters and Joiners - Midwest Industrial Council - Local 1533 -
      AFL-CIO; and (ii) whose Years of Service equals or exceeds 20 shall
      receive an additional annual retirement income benefit of 0.25% of base
      compensation for each calendar year of participation beginning with July
      30, 2002, with actuarial adjustments to such additional benefit if such
      benefit commences at a date other than such Participant's Normal
      Retirement Date and if such benefit is paid in a form other than a life
      annuity.

      (c) In the case of Participant who is eligible for an enhanced retirement
      income benefit under both subsections (a) and (b), such Participant shall
      receive only the enhanced retirement income benefit set forth in either
      subsection (a) or (b) which results in the greater retirement income."

      IN WITNESS WHEREOF, the Fisher Scientific International Inc. Retirement
Plan is amended this 10th day of December, 2002.

                                         ADMINISTRATIVE AND INVESTMENT COMMITTEE

                                         /s/ Paul M. Meister
                                         _______________________________________
                                         Paul M. Meister

                                         /s/ Todd M. DuChene
                                         _______________________________________
                                         Todd M. DuChene

                                       2<PAGE>
                                                                 EXHIBIT 10.41

                             THIRD AMENDMENT TO THE

                      FISHER SCIENTIFIC INTERNATIONAL INC.

                                 RETIREMENT PLAN

      WHEREAS, Fisher Scientific International Inc. desires to amend the Fisher
Scientific International Inc. Retirement Plan (the "Retirement Plan") to include
FSI Receivables Corporation as a participating company in the Plan; and

      WHEREAS, Article 10.1 of the Retirement Plan grants the Administrative and
Investment Committee (the "Committee") the authority to make amendments to the
Retirement Plan which will not involve an estimated annual cost under the
Retirement Plan in excess of $500,000;

      NOW THEREFORE, it hereby is:

      RESOLVED THAT the Retirement Plan be hereby amended as follows:

1. Schedule I of the Retirement Plan is amended effective January 1, 2003, to
include in the list of Participating Companies the following:

      "FSI Receivables Corporation (effective January 1, 2003)"

      IN WITNESS WHEREOF, the Fisher Scientific International Inc. Retirement
Plan is amended 10th day of December, 2002.

                                         ADMINISTRATIVE AND INVESTMENT COMMITTEE

                                         /s/ Paul M. Meister
                                         _______________________________________
                                         Paul M. Meister

                                         /s/ Todd M. DuChene
                                         _______________________________________
                                         Todd M. DuChene<PAGE>
                                                                   Exhibit 10.42

                                FOURTH AMENDMENT
                                     TO THE
                      FISHER SCIENTIFIC INTERNATIONAL INC.
                                 RETIREMENT PLAN

      WHEREAS, Article 10.1 of the Fisher Scientific International Inc.
Retirement Plan (the "Retirement Plan") grants the Administrative and Investment
Committee (the "Committee") the authority to make amendments to the Retirement
Plan which may be necessary to ensure continued qualification of the Retirement
Plan or to comply with the interpretations issued by the Internal Revenue
Service ("IRS") with respect to the Internal Revenue Code of 1986, as amended
(the "Code") or the Employee Retirement Income Security Act of 1974, as amended
("ERISA"); and

      WHEREAS, in connection with plan changes required or made possible by the
Economic Growth and Tax Relief Reconciliation Act of 2001 ("EGTRRA"), the
Retirement Plan may be amended before the end of the remedial amendment period,
provided that a "good faith amendment" reflecting such changes is adopted by
December 31, 2002; and

      WHEREAS, the Company desires to adopt a "good faith amendment" reflecting
changes required or made possible by EGTRRA in order to have available the
EGTRRA remedial amendment period.

      NOW,THEREFORE, it hereby is:

      RESOLVED THAT the Retirement Plan be hereby amended by adding to the end
thereof the Fourth Amendment as follows:

                          "EGTRRA GOOD FAITH AMENDMENT

1.    PREAMBLE

      (a) Adoption and Effective Date of EGTRRA Amendments. This amendment to
the Plan is adopted to reflect certain provisions of the Economic Growth and Tax
Relief Reconciliation Act of 2001 ("EGTRRA"). This amendment is intended as good
faith compliance with the requirements of EGTRRA and is to be construed in
accordance with EGTRRA and guidance issued thereunder. Except as otherwise
provided, this amendment shall be effective as of the first day of the first
Plan Year beginning after December 31, 2001.

      (b) Supersession of Inconsistent Provisions. This amendment shall
supersede the provisions of the Plan to the extent those provisions are
inconsistent with the provisions of this amendment.

2.    LIMITATIONS ON ANNUAL MAXIMUM ADDITIONS

      (a) Effective Date. This Section 2 shall be effective for Limitation Years
beginning after December 31, 2001.

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      (b) Effect On Participants. Benefit increases resulting from the increase
in the limitations of section 415(b) of the Code will be provided to those
Participants who have one hour of service on or after December 31, 2001.

      (c) Definitions.

(i) Defined Benefit Dollar Limitation. The "defined benefit dollar limitation"
is $160,000, as adjusted, effective January 1 of each year, under section 415(d)
of the Code in such manner as the Secretary shall prescribe, and payable in the
form of a straight life annuity. A limitation as adjusted under section 415(d)
of the Code will apply to limitation years ending with or within the calendar
year for which the adjustment applies.

(ii) Maximum Permissible Benefit. The "Maximum Permissible Amount" is the Dollar
Limitation (adjusted where required, as provided in (x) and, if applicable, in
(y) or (z) below.

                  (x) If the Participant has fewer than 10 years of
            participation in the Plan, the Dollar Limitation shall be multiplied
            by a fraction, (i) the numerator of which is the years (or part
            thereof) of Service with the Company and (ii) the denominator of
            which is 10.

                  (y) If the benefit of a Participant begins prior to age 62,
            the Dollar Limitation applicable to the Participant at such earlier
            age is an annual benefit payable in the form of a straight life
            annuity beginning at the earlier age that is the actuarial
            equivalent of the Dollar Limitation applicable to the Participant at
            age 62 (adjusted under (x) above, if required). The Dollar
            Limitation applicable at an age prior to age 62 is determined as the
            lesser of (i) the actuarial equivalent (at such age) of the Dollar
            Limitation computed using the interest rate and mortality table (or
            other tabular factor) which are set forth in the Plan (including its
            respective components) for the reduction of benefits for early
            retirement benefits under the Plan and (ii) the actuarial equivalent
            (at such age) of the Dollar Limitation computed using a 5 percent
            interest rate and the Applicable Mortality Table. Any decrease in
            the Dollar Limitation determined in accordance with this paragraph
            (y) shall not reflect a mortality decrement if benefits are not
            forfeited upon the death of the Participant. If any benefits are
            forfeited upon death, the full mortality decrement is taken into
            account.

                  (z) If the benefit of a Participant begins after the
            Participant attains age 65, the Dollar Limitation applicable to the
            Participant at the later age is the annual benefit payable in the
            form of a straight life annuity beginning at the later age that is
            actuarially equivalent to the Dollar Limitation applicable to the
            Participant at age 65 (adjusted under (x) above, if required). The
            actuarial equivalent of the Dollar Limitation applicable at an age
            after age 65 is determined as (i) the lesser of the actuarial
            equivalent (at such age) of the Dollar Limitation computed using the
            interest rate and mortality table (or other tabular factor) which
            are set

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<PAGE>

            forth in the Plan (including its respective components) for deferred
            retirement benefits under the Plan and (ii) the actuarial equivalent
            (at such age) of the Dollar Limitation computed using a 5 percent
            interest rate assumption and the Applicable Mortality Table. For
            these purposes, mortality between age 65 and the age at which
            benefits commence shall be ignored.

3.    INCREASE IN COMPENSATION LIMIT

      (a) Increase in Limit. The annual compensation of each Participant taken
into account in determining benefit accruals in any Plan Year beginning after
December 31, 2001, shall not exceed $200,000. Annual compensation means
compensation during the Plan Year or such other consecutive 12-month period over
which compensation is otherwise determined under the Plan (the determination
period). For purposes of determining benefit accruals in a Plan Year beginning
after December 31, 2001, compensation for any prior determination period shall
remain subject to previous limits.

      (b) Cost-of-Living Adjustment. The $200,000 limit on annual compensation
in paragraph (a) shall be adjusted for cost-of-living increases in accordance
with section 401(a)(17)(B) of the Code. The cost-of-living adjustment in effect
for a calendar year applies to annual compensation for the determination period
that begins with or within such calendar year.

4.    MODIFICATION OF TOP-HEAVY PROVISIONS

      (a) Effective Date. This Section 4 shall apply for purposes of determining
whether the Plan is a top-heavy plan under section 416(g) of the Code for Plan
Years beginning after December 31, 2001, and whether the Plan satisfies the
minimum benefits requirements of Section 416(c) of the Code for such years. This
Section 4 amends Article 13 of the Plan.

      (b) Determination of Top-Heavy Status. (i) Key Employee. Key Employee
means any employee or former employee (including any deceased employee) who at
any time during the Plan Year that includes the Top Heavy Determination Date was
an officer of the Company or an Affiliate having annual compensation greater
than $130,000 (as adjusted under section 416(i)(1) of the Code for Plan Years
beginning after December 31, 2002), a 5-percent owner of the Company or an
Affiliate, or a 1-percent owner of the Company or an Affiliate having annual
compensation of more than $150,000. For this purpose, annual compensation means
compensation within the meaning of section 415(c)(3) of the Code. The
determination of who is a Key Employee will be made in accordance with section
416(i)(1) of the Code and the applicable regulations and other guidance of
general applicability issued thereunder.

(ii) Determination of Present Values and Amounts. This Section 4 shall apply for
purposes of determining the present values of accrued benefits and the amounts
of account balances of Participants as of the Top-Heavy Determination Date.

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<PAGE>

                  (x) Distributions During Year Ending on the Top Heavy
            Determination Date. The present values of accrued benefits and the
            amounts of account balances of an employee as of the Top Heavy
            Determination Date shall be increased by the distributions made with
            respect to an employee under the Plan and any plan aggregated with
            the Plan under section 416(g)(2) of the Code during the 1-year
            period ending on the Top Heavy Determination Date. The preceding
            sentence shall also apply to distributions under a terminated plan
            which, had it not been terminated, would have been aggregated with
            the Plan under section 416(g)(2)(A)(i) of the Code. In the case of a
            distribution made for a reason other than severance from employment,
            death, or disability, this provision shall be applied by
            substituting 5-year period for 1-year period.

                  (y) Participants Not Performing Services During Year Ending on
            the Top Heavy Determination Date. The accrued benefits and accounts
            of any individual who has not performed services for the Company or
            any Affiliate during the 1-year period ending on the Top Heavy
            Determination Date shall not be taken into account.

      (c) Minimum Benefits. For purposes of satisfying the minimum benefit
requirements of section 416(c)(1) of the Code and the Plan, in determining Years
of Service with the employer, any service with the employer shall be disregarded
to the extent that such service occurs during a Plan Year when the Plan benefits
(within the meaning of section 410(b) of the Code) no Key Employee or former Key
Employee.

5.    ELECTION OF DIRECT ROLLOVERS

      (a) Effective Date. This Section 5 shall apply to distributions made after
December 31, 2001.

      (b) Modification of Definition of Eligible Retirement Plan. For purposes
of the direct rollover provision in Article 7.6 of the Plan, an eligible
retirement plan shall also mean an annuity contract described in Section 403(b)
of the Code and an eligible plan under section 457(b ) of the Code which is
maintained by a state, political subdivision of a state, or any agency or
instrumentality of a state or political subdivision of a state and which agrees
to separately account for amounts transferred into such plan from this Plan. The
definition of eligible retirement plan shall also apply in the case of a
distribution to a surviving spouse, or to a spouse or former spouse who is the
alternate payee under a Qualified Domestic Relation Order, as defined in section
414(p) of the Code.

      (c) Modification of Definition of Eligible Rollover Distribution to
Include After-Tax Employee Contributions. For purposes of the direct rollover
provisions in section 7.6 of the Plan, a portion of a distribution shall not
fail to be an eligible rollover distribution merely because the portion consists
of after-tax employee contributions which are not includible in gross income.
However, such portion may be paid only to an individual retirement account or
annuity described in section 408(a) or (b) of the Code, or

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<PAGE>

to a qualified defined contribution plan described in section 401(a) or 403(a)
of the Code that agrees to separately account for amounts so transferred,
including separately accounting for the portion of such distribution which is
includible in gross income and the portion of such distribution which is not so
includible."

      IN WITNESS WHEREOF, the Fisher Scientific International Inc. Retirement
Plan is amended the 10th day of December, 2002.

                                         ADMINISTRATIVE AND INVESTMENT COMMITTEE

                                         /s/ Paul M. Meister
                                         _______________________________________
                                         Paul M. Meister

                                         /s/ Todd DuChene
                                         _______________________________________
                                         Todd DuChene

                                        5

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