Document:

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                                                               Exhibit 10.11 (c)

                             AMENDMENT NUMBER ONE
                                    to the
                            MALLINCKRODT GROUP INC.
                       CORPORATE STAFF CHANGE IN CONTROL
                                SEVERANCE PLAN

          The Mallinckrodt Group Inc. Corporate Staff Change in Control
Severance Plan (the "Plan"), is hereby amended, effective as of June 15, 2000,
as set forth below.

          Capitalized terms used herein without definition shall have the
respective meanings set forth in the Plan.

          1.   Section 1 Definitions.
               ---------------------

          (a)  The definition of "Cause" set forth in Section 1(a) of the Plan
is amended to include the phrase "which remains uncured for a period of ten (10)
days" immediately following the parenthetical "(other than any failure due to
physical or mental incapacity)".

          (b)  The definition of "Good Reason" set forth in Section 1(g) of the
Plan is amended by deleting the last sentence thereof which currently reads "A
Participant must notify the Company of an event constituting Good Reason within
ninety (90) days following such Participant's knowledge of its existence or such
event shall not constitute Good Reason under the Plan."

          2.   The validity, interpretation, and enforcement of this amendment
shall be governed by the law of the State of New York. The invalidity or
unenforceabililty of any provision of this amendment shall not affect the
validity or enforceabililty of any other provision of this amendment or of the
Plan, as amended hereby, which other provisions shall remain in full force and
effect.<PAGE>

                                                                Exhibit 10.12(a)

                                    Form of
                              AMENDED & RESTATED
                              SEVERANCE AGREEMENT

          THIS AMENDED & RESTATED AGREEMENT is entered into as of the 15/th/ day
of June, 2000 (the "Effective Date") by and between Mallinckrodt Inc., a New
York corporation (the "Company"), and __________ ("Executive") and amends and
restates, in its entirety, the severance agreement dated as of _____________
between the Company and Executive.

                              W I T N E S S E T H

          WHEREAS, Executive currently serves as a key employee of the Company
and his services and knowledge are valuable to the Company in connection with
the management of one or more of the Company's principal operating facilities,
divisions, departments or subsidiaries; and

          WHEREAS, the Company considers the establishment and maintenance of a
sound and vital management to be essential to protecting and enhancing the best
interests of the Company and its shareholders; and

          WHEREAS, the Board as of the date hereof has determined that it is in
the best interests of the Company and its stockholders to secure its executives'
continued services and to ensure its executives' continued and undivided
dedication and objectivity in the event of any threat or occurrence of, or
negotiation or other action that could lead to, or create the possibility of, a
Change in Control (as defined in Section l(b)) of the Company, the Board has
authorized the Company to enter into this Agreement.

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

          1.   Definitions.  As used in this Agreement, the following terms
               -----------
shall have the respective meanings set forth below:

          (a) "Cause" means (i) the willful and continued failure of Executive
substantially to perform his duties with the Company (other than any failure due
to physical or mental incapacity) which remains uncured for a period of ten (10)
days after a demand for substantial performance is delivered to him by the Board
which specifically identifies the manner in which the Board believes he has not
substantially performed his duties or (ii) willful misconduct materially and
demonstrably injurious to the Company. No act or failure to act by Executive
shall be considered "willful" unless done or omitted to be done by him not in
good faith and without reasonable belief that his action or omission was in the
best interest of the
<PAGE>

Company. The unwillingness of Executive to accept any condition or event which
would constitute Good Reason under Section 1(f) may not be considered by the
Board to be a failure to perform or misconduct by Executive. Notwithstanding the
foregoing, Executive shall not be deemed to have been terminated for Cause for
purposes of this Agreement unless and until there shall have been delivered to
him a copy of a resolution, duly adopted by a vote of three-quarters (3/4) of
the entire Board at a meeting of the Board called and held (after reasonable
notice to Executive and an opportunity for Executive and his counsel to be heard
before the Board) for the purpose of considering whether Executive has been
guilty of such a willful failure to perform or such willful misconduct as
justifies termination for cause hereunder, finding that in the good faith
opinion of the Board Executive has been guilty thereof and specifying the
particulars thereof. The Company must notify Executive of an event constituting
Cause within ninety (90) days following the Board's knowledge of its existence
or such event shall not constitute Cause under this Agreement.

          (b) "Change in Control" means the occurrence of any one of the
following events:

          (i) any "person" (as such term is defined in Section 3(a) (9) of the
     Securities Exchange Act of 1934 (the "Exchange Act") and as used in
     Sections 13(d) (3) and 14(d) (2) of the Exchange Act) is or becomes a
     "beneficial owner" (as defined in Rule 13d-3 under the Exchange Act),
     directly or indirectly, of securities of the Company representing 20% or
     more of the combined voting power of the Company's then outstanding
     securities eligible to vote for the election of the Board (the "Company
     Voting Securities") ; PROVIDED, HOWEVER, that the event described in this
     paragraph (i) shall not be deemed to be a Change in Control by virtue of
     any of the following acquisitions: (A) by the Company or any Subsidiary of
     the Company, (B) by any employee benefit plan sponsored or maintained by
     the Company or any Subsidiary of the Company, (C) by any underwriter
     temporarily holding securities pursuant to an offering of such securities,
     (D) pursuant to a Non-Control Transaction (as defined in paragraph (iii)),
     (E) pursuant to any acquisition by Executive or any group of persons
     including Executive; or (F) except as provided in (iii) below, in which
     Company Voting Securities are acquired from the Company, if a majority of
     the Board approves a resolution providing expressly that the acquisition
     pursuant to this clause (F) does not constitute a Change in Control under
     this paragraph (i) ;

          (ii) individuals who, on April 19, 1996, constitute the Board (the
     "Incumbent Board") cease for any reason to constitute at least a majority
     thereof, provided that any person becoming a director subsequent to April
     19, 1996, whose election, or nomination for election, by the Company's
     stockholders was approved by a vote of at least a majority of the directors
     comprising the Incumbent Board (either by a specific vote or by approval of
     the proxy statement of the Company in which such person is named as a
     nominee for director, without objection to such nomination) shall be, for
     purposes of this paragraph (ii), considered as though such person were a
     member of the Incumbent Board; provided, however, that no individual
     initially elected or nominated as a director of the Company as a result of
     an actual or threatened election contest with respect to directors or any
     other actual or threatened solicitation of proxies or consents by or on
     behalf of any person other than the Board shall be deemed to be a member of
     the Incumbent Board;
<PAGE>

          (iii) the consummation of a merger, consolidation, share exchange or
     similar form of corporate reorganization of the Company or any such type of
     transaction requiring the approval of the Company's stockholders (whether
     for such transaction or the issuance of securities in the transaction or
     otherwise), or the consummation of the direct or indirect sale or other
     disposition of all or substantially all of the assets, of the Company (a
     "Business Combination"), unless immediately following such Business
     Combination: (A) more than 50% of the total voting power of the publicly
     traded corporation resulting from such Business Combination (including,
     without limitation, any corporation which directly or indirectly has
     beneficial ownership of 100% of the Company Voting Securities or all or
     substantially all of the Company's assets) eligible to elect directors of
     such corporation is represented by shares that were Company Voting
     Securities immediately prior to such Business Combination (either by
     remaining outstanding or being converted), and such voting power is in
     substantially the same proportion as the voting power of such Company
     Voting Securities immediately prior to the Business Combination, (B) no
     person (other than any publicly traded holding company resulting from such
     Business Combination, any employee benefit plan sponsored or maintained by
     the Company (or the corporation resulting from such Business Combination),
     or any person which beneficially owned, immediately prior to such Business
     Combination, directly or indirectly, 20% or more of the Company Voting
     Securities (a "Company 20% Stockholder")) becomes the beneficial owner,
     directly or indirectly, of 20% or more of the total voting power of the
     outstanding voting securities eligible to elect directors of the
     corporation resulting from such Business Combination and no Company 20%
     Stockholder increases its percentage of such total voting power, and (C) at
     least a majority of the members of the board of directors of the
     corporation resulting from such Business Combination were members of the
     Incumbent Board at the time of the approval of the Board of the execution
     of the initial agreement providing for such Business Combination (a "Non-
     Control Transaction"); or

          (iv) the stockholders of the Company approve a plan of complete
     liquidation or dissolution of the Company.

Notwithstanding the foregoing, a Change in Control of the Company shall not be
deemed to occur solely because any person acquires beneficial ownership of more
than 20% of the Company Voting Securities as a result of the acquisition of
Company Voting Securities by the Company which, by reducing the number of
Company Voting Securities outstanding, increases the percentage of shares
beneficially owned by such person; provided, that if a Change in Control of the
                                   --------  ----
Company would occur as a result of such an acquisition by the Company (if not
for the operation of this sentence), and after the Company's acquisition such
person becomes the beneficial owner of additional Company Voting Securities that
increases the percentage of outstanding Company Voting Securities beneficially
owned by such person, then a Change in Control of the Company shall occur.
Notwithstanding anything in this Agreement to the contrary, if Executive's
employment is terminated prior to a Change in Control, and Executive reasonably
demonstrates that such termination was at the request of a third party who has
indicated an intention or taken steps reasonably calculated to effect a Change
in Control (a "Third Party") and who effectuates a Change in Control, then for
all purposes of this Agreement, the date of a Change in Control shall mean the
date immediately prior to the date of such termination of employment.

          (c) "Company" means Mallinckrodt Inc., a New York corporation and,
after a Change in Control, the successor of, or transferee of assets from the
Company in connection with such Change in Control.
<PAGE>

          (d) "Date of Termination" means (1) the effective date on which
Executive's employment by the Company terminates as specified in a Notice of
Termination by the Company or Executive, as the case may be, or (2) if
Executive's employment by the Company terminates by reason of death, the date of
death of Executive. Notwithstanding the previous sentence, (i) if the
Executive's employment is terminated for Disability (as defined in Section
1(e)), then such Date of Termination shall be no earlier than thirty (30) days
following the date on which a Notice of Termination is received, and (ii) if the
Executive's employment is terminated by the Company other than for Cause, then
such Date of Termination shall be no earlier than thirty (30) days following the
date on which a Notice of Termination is received. In the event Executive's
employment is terminated in connection with a request by a Third Party (as
described in Sections 1(b) and 1(f)) and Executive becomes entitled upon the
effectuation of a Change in Control by the Third Party to severance payments
and/or benefits under Sections 4(a) and/or 4(b), the date the Change in Control
is effectuated by the Third Party shall be treated as Executive's Date of
Termination for purposes of determining the timing of payments and benefits
under Sections 4(a) and 4(b).

          (e) "Disability" means physical or mental incapacity qualifying
Executive for long-term disability under the Company's long-term disability
plan.

          (f) "Good Reason" means, without Executive's express written consent,
the occurrence of any of the following events after a Change in Control:

          (1) (i) the assignment to Executive of any duties or responsibilities
(including reporting responsibilities) inconsistent in any material and adverse
respect with Executive's duties and responsibilities with the Company
immediately prior to such Change in Control (including any material and adverse
diminution of such duties or responsibilities); provided, however, that Good
                                                --------  -------
Reason shall not be deemed to occur upon a change in duties or responsibilities
that is solely and directly a result of the Company no longer being a publicly
traded entity, and does not involve any other event set forth in this paragraph
(f), (ii) a material and adverse change in Executive's titles or offices with
the Company as in effect immediately prior to such Change in Control or (iii)
any attempted removal or involuntary termination of Executive by the Company
otherwise than as expressly permitted by this Agreement pursuant to a
Nonqualifying Termination (or any purported termination of employment which is
not effected by a Notice of Termination, which termination shall not be
effective);

          (2) a reduction by the Company in Executive's rate of annual base
salary or target annual bonus opportunity as in effect immediately prior to such
Change in Control or as the same may be increased from time to time thereafter;

          (3) any requirement of the Company that Executive (i) notwithstanding
Executive's objection, be based anywhere more than fifty (50) miles from the
location where Executive's employment is located at the time of the Change in
Control or (ii) travel on Company business to an extent substantially greater
than the travel obligations of Executive immediately prior to such Change in
Control;

          (4) the failure of the Company to (i) continue in effect any employee
benefit plan or compensation plan in which Executive is participating
immediately prior to such Change in Control (including the taking of any action
by the Company which would adversely affect
<PAGE>

Executive's participation in or materially reduce Executive's benefits under any
such plan), unless Executive is permitted to participate in other plans
providing Executive with substantially comparable benefits, (ii) provide
Executive and Executive's dependents with welfare benefits in accordance with
the most favorable plans, practices, programs and policies of the Company and
its affiliated companies in effect for Executive immediately prior to such
Change in Control or provide substantially comparable benefits at a
substantially comparable cost to Executive, (iii) provide fringe benefits in
accordance with the most favorable plans, practices, programs and policies of
the Company and its affiliated companies in effect for Executive immediately
prior to such Change in Control, or provide substantially comparable fringe
benefits, or (iv) provide Executive with paid vacation in accordance with the
most favorable plans, policies, programs and practices of the Company and its
affiliated companies as in effect for Executive immediately prior to such Change
in Control (including crediting Executive with all service credited to Executive
for such purpose prior to the Change in Control), unless the failure to provide
such paid vacation is a result of a policy uniformly applied by the entity
acquiring the Company to its employees; or

          (5) the failure of the Company to obtain the assumption agreement from
any successor as contemplated in Section 9(b).

          Notwithstanding the foregoing, an isolated and inadvertent action
taken in good faith and which is remedied by the Company within ten (10) days
after receipt of notice thereof given by Executive shall not constitute Good
Reason. Any event or condition described in this Section 1(f) (1) through (4)
which occurs prior to a Change in Control, but which Executive reasonably
demonstrates was at the request of a Third Party who effectuates a Change in
Control, shall constitute Good Reason following a Change in Control for purposes
of this Agreement notwithstanding that it occurred prior to the Change in
Control.

          (g) "Nonqualifying Termination" means a termination of Executive's
employment (1) by the Company for Cause, (2) by Executive for any reason other
than Good Reason, (3) as a result of Executive's death, (4) by the Company due
to Executive's Disability, unless within thirty (30) days after Notice of
Termination is provided to Executive pursuant to Section 10 following such
absence Executive shall have returned to performance of Executive's duties on a
full-time basis, or (5) as a result of Executive's Retirement.

          (h) "Notice of Termination" means notice of the Date of Termination as
described in Section 10(b).

          (i) "Retirement" means termination of employment by either Executive
or the Company (other than for Cause) on or after Executive's normal retirement
date under the terms of the Retirement Plan (other than if any such Retirement
also constitutes Good Reason).

          (j) "Retirement Plan" means The Mallinckrodt Retirement Plan or any
successor or substitute plan or plans of the Company.

          (k) "Subsidiary" means any corporation or other entity in which the
Company has a direct or indirect ownership interest of 50% or more of the total
combined voting power of the then outstanding securities of such corporation or
other entity entitled to vote generally in the election of directors.

          (l) "Termination Period" means the period of time beginning with a
Change in Control and ending on the earliest to occur of (1) Executive's death
and (2) three (3) years following such Change in Control.
<PAGE>

          2.   Term of Agreement. This Agreement shall commence on the Effective
               -----------------
Date and shall continue in effect until the first to occur of (i) Executive's
termination of employment prior to a Change in Control (except as otherwise
provided herein), (ii) a Nonqualifying Termination during the Termination Period
or (iii) the completion of the Termination Period; provided, however, that
                                                   --------  -------
benefits and payments otherwise owed to Executive under this Agreement following
a termination of employment during the Termination Period may continue beyond
the completion of the Termination Period.

          3.   Obligations of Executive. Executive agrees that if a Change in
               ------------------------
Control shall occur, he will not voluntarily leave the employ of the Company
(other than as a result of Disability or upon Retirement) without Good Reason
until ninety (90) days following such Change in Control.

          4.   Payments Following a Change of Control.
               --------------------------------------

          (a)  If during the Termination Period the employment of Executive
shall terminate, other than by reason of a Nonqualifying Termination, then the
Company shall pay to Executive (or Executive's beneficiary or estate) within
five (5) days following the Date of Termination, as compensation for services
rendered to the Company:

          (1)  a lump-sum cash amount equal to the sum of Executive's unpaid
base salary from the Company and its affiliated companies through the Date of
Termination (without taking into account any reduction of base salary
constituting Good Reason) plus any bonus payments which have become payable, to
the extent not theretofore paid;

          (2)  (A) to the extent not paid under the terms of such annual
incentive compensation plan, a lump-sum cash amount equal to Executive's target
awards or target bonuses under the Company's annual incentive compensation plans
(e.g., the Company's Executive Incentive Compensation Plan and Management
Incentive Compensation Plan, or any successor plans) for the fiscal year in
which the Date of Termination occurs, reduced pro rata for that portion of the
fiscal year not completed as of the end of the month in which such Date of
Termination occurs, and (B) to the extent not paid under the terms of any long-
term incentive plan established by the Company, a lump sum cash payment equal to
Executive's full target award or target bonus under such long-term incentive
plan with respect to the then applicable performance cycle or performance
period; and

          (3)  a lump-sum cash amount equal to [two (2)] [three (3)] (the
"Severance Multiple") times the sum of (A) Executive's annual rate of base
salary from the Company and its affiliated companies in effect immediately prior
to the Date of Termination (not taking into account any reductions which would
constitute Good Reason) plus (B) the Executive's target awards or target bonuses
under the Company's annual incentive compensation plans (e.g., the Company's
Executive Incentive Compensation Plan and Management Incentive Compensation
Plan, or any successor plans) for the fiscal year of the Company in which the
Change of Control occurs or, if greater, Executive's target awards or target
bonuses under such annual incentive compensation plans for the fiscal year
immediately preceding the fiscal year in which the Change of Control occurs; and
provided that any amount paid pursuant to this Section 4(a)(3) shall offset any
--------
other amount of severance relating to salary or bonus continuation to be
received by Executive upon termination of employment of Executive under any
other severance plan or
<PAGE>

policy or the severance provisions of any employment agreement of the Company
(but not under any Company bonus, incentive or other compensatory arrangement of
the Company including, without limitation, the Company's Executive Incentive
Compensation Plan, Management Incentive Compensation Plan, Long-Term Incentive
Plan or any successor plans thereto).

          (b)  If during the Termination Period the employment of Executive
shall terminate, other than by reason of a Nonqualifying Termination, then (x)
if Executive is 55/1/ or older on the Date of Termination, until the occurrence
of Executive's death or (y) if Executive is under 55 on the Date of Termination,
for a period of twenty-four (24) months, the Company shall provide Executive
(and Executive's dependents, if applicable) with the same level of medical,
dental, accident, disability and life insurance benefits (including
participation in the Company's Executive life insurance program, if applicable)
upon substantially the same terms and conditions (including cost of coverage) as
existed immediately prior to Executive's Date of Termination (or, if more
favorable to Executive, as such benefits and terms and conditions existed
immediately prior to the Change in Control); provided, that, if Executive cannot
                                             -------- ----
continue to participate in the Company plans providing such benefits, the
Company shall otherwise provide such benefits on the same after-tax basis as if
continued participation had been permitted. Notwithstanding the foregoing, if
Executive is under 55/2/ on the Date of Termination and becomes reemployed with
another employer and is eligible to receive welfare benefits from such employer
(other than life insurance benefits to which this sentence shall not apply) that
are comparable or more favorable to Executive than the Company provided welfare
benefits, then the Company's obligation to continue to provide Executive with
welfare benefits (other than life insurance benefits) of the type so obtained by
Executive will thereupon cease.

          [(c) If during the Termination Period the employment of Executive
shall terminate, other than by reason of a Nonqualifying Termination, Executive
shall (A) be credited with three (3) additional years of credited service for
purposes of calculating benefits under the Company's Supplemental Executive
Retirement Plans  (collectively, the "SERP") and (B) if Executive is, on the
Date of Termination, age 55 or older/3/, be entitled to receive an unreduced
normal retirement benefit under the SERP commencing upon the Date of Termination
(without regard to Executive's years of service with the Company) (or, if later,
the date on which Executive becomes 55)]/4/

          (d)  If during the Termination Period the employment of Executive
shall terminate by reason of a Nonqualifying Termination, then the Company shall
pay to Executive within five (5) days following the Date of Termination a lump
sum cash amount equal to the sum of Executive's unpaid base salary from the
Company through the Date of Termination plus any bonus payments which have
become payable, to the extent not theretofore paid.

          (e)  (A) to the extent not otherwise provided in the Company's stock
option and other equity incentive plans and/or stock option or equity incentive
awards, any unvested stock options or other unvested equity incentive awards
held by Executive as of the date of the Change of Control shall become fully
vested and exercisable upon the Change in Control and (B) if during the
Termination Period the employment of Executive shall terminate, other than by
reason of a Nonqualifying Termination, Executive shall be entitled to (1) full
and immediate vesting of any stock options and other equity incentive awards
granted to Executive after the

_________________
/1/  Chawla and Hesemann receive this benefit although under 55.
/2/  Does not apply to Chawla or Hesemann.
/3/  Chawla and Hesemann receive this benefit although under 55.
/4/  Include only in certain Severance Agreements.
<PAGE>

Change in Control which are then unvested; (2) retain all rights to
indemnification under applicable law or under the Company's certificate of
incorporation or by-laws as in effect at the time of the Change in Control or
Executive's Date of Termination, whichever is more favorable to Executive; (3)
continue to be covered by Company provided directors and officers liability
insurance at the level in effect immediately prior to the Change in Control or
Executive's Date of Termination, which ever is more favorable to Executive, for
the period of years that corresponds with the Severance Multiple and throughout
the applicable statute of limitations period; and (4) be entitled to either, at
the election of Executive, (i) a cash payment equal to $75,000 or (ii) Company
provided executive outplacement services for a period of years that corresponds
to the Severance Multiple, not to exceed $75,000.

          5.   Certain Additional Payments by the Company.
               ------------------------------------------

          (a)  Anything in this Agreement to the contrary notwithstanding, in
the event it shall be determined that any payment or distribution by the Company
or its affiliated companies (or one or more trusts established by the Company or
its affiliates for the benefit of its employees) or by any other party in
connection with a Change in Control to or for the benefit of Executive (whether
paid or payable or distributed or distributable pursuant to the terms of this
Agreement or otherwise, but determined without regard to any additional payments
required under this Section 5) (a "payment") would be subject to the excise tax
imposed by Section 4999 of the Code, or any interest or penalties are incurred
by Executive with respect to such excise tax (such excise tax, together with any
such interest and penalties, are hereinafter collectively referred to as the
"Excise Tax"), then Executive shall be entitled to receive an additional payment
(a "Gross-Up Payment") in an amount such that after payment by Executive of all
taxes (including any interest or penalties imposed with respect to such taxes)
including, without limitation, any income and employment taxes (and any interest
and penalties imposed with respect thereto) and Excise Tax, imposed upon the
Gross-Up Payment, Executive retains an amount of the Gross-Up Payment equal to
the Excise Tax imposed upon the Payments. For purposes of determining the amount
of the Gross-up Payment, Executive shall be deemed to pay federal income taxes
at the highest marginal rates of federal income taxation for the calendar year
in which the Gross-up Payment is to be made and applicable state and local
income taxes at the highest marginal rate of taxation for the calendar year in
which the Gross-up Payment is to be made, net of the maximum reduction in
federal income taxes which could be obtained from deduction of such state and
local taxes.

          (b)  All determinations required to be made under this Section 5,
including whether and when a Gross-Up Payment is required and the amount of such
Gross-Up Payment and the assumptions to be utilized in arriving at such
determination, shall be made by the public accounting firm that is retained by
the Company as of the date immediately prior to the Change in Control (the
"Accounting Firm") which shall provide detailed supporting calculations both to
the Company and Executive within fifteen (15) business days of the receipt of
notice from the Company or Executive that there has been a Payment, or such
earlier time as is requested by the Company (collectively, the "Determination").
In the event that the Accounting Firm is serving as accountant or auditor for
the individual, entity or group effecting the Change in Control, Executive may
appoint another nationally recognized public accounting firm to make the
determinations required hereunder (which accounting firm shall then be referred
to as the Accounting Firm hereunder). All fees and expenses of the Accounting
Firm shall be borne solely by the Company and the Company shall enter into any
agreement requested by the Accounting
<PAGE>

Firm in connection with the performance of the services hereunder. The Gross-up
Payment under this Section 5 should be made within thirty (30) days of any
Payment. If the Accounting Firm determines that no Excise Tax is payable by
Executive, it shall furnish Executive with a written opinion that failure to
report the Excise Tax on Executive's applicable federal income tax return would
not result in the imposition of a negligence or similar penalty. The
Determination by the Accounting Firm shall be binding upon the Company and
Executive. As a result of the uncertainty in the application of Section 4999 of
the Code at the time of the Determination, it is possible that Gross-Up Payments
which will not have been made by the Company should have been made
("Underpayment") or Gross-up Payments will be made by the Company which should
not have been made ("Overpayment"), consistent with the calculations required to
be made hereunder. In the event that Executive thereafter is required to make
payment of any additional Excise Tax, the Accounting Firm shall determine the
amount of the Underpayment that has occurred and any such Underpayment (together
with interest at the rate provided in Section 1274(b) (2) (B) of the Code) shall
be promptly paid by the Company to or for the benefit of Executive. In the event
the amount of the Gross-up Payment exceeds the amount necessary to reimburse
Executive for his Excise Tax, the Accounting Firm shall determine the amount of
the Overpayment that has been made and any such Overpayment (together with
interest at the rate provided in Section 1274(b)(2) of the Code) shall be
promptly paid by Executive to or for the benefit of the Company; provided that
                                                                 --------
to the extent such Overpayment had theretofore been paid to the Internal Revenue
Service or other applicable taxing authority, Executive's repayment obligation
of such amount (with interest) hereunder shall only apply to the extent
Executive receives a refund of such amount from the Internal Revenue Service or
other applicable taxing authority and Executive's repayment obligation shall be
limited to the amount of any such refund. Executive shall cooperate, to the
extent his expenses are reimbursed by the Company, with any reasonable requests
by the Company in connection with any contests or disputes with the Internal
Revenue Service in connection with the Excise Tax.

          6.   Withholding Taxes. The Company may withhold from all payments
               -----------------
due to Executive (or his beneficiary or estate) hereunder all taxes which, by
applicable federal, state, local or other law, the Company is required to
withhold therefrom.

          7.   Reimbursement of Expenses. If any contest or dispute shall arise
               -------------------------
under this Agreement involving termination of Executive's employment with the
Company or involving the failure or refusal of the Company to perform fully in
accordance with the terms hereof, the Company shall reimburse Executive, on a
current basis, for all reasonable legal fees and expenses, if any, incurred by
Executive in connection with such contest or dispute regardless of the result
thereof.  Executive agrees that in the event it is determined in an arbitration
proceeding that Executive's basis for a contest or dispute was frivolous and not
advanced in good faith, Executive shall be obligated to return to the Company
any such reimbursed legal fees and expenses within sixty (60) days following the
determination.

          8.   Scope of Agreement. Nothing in this Agreement shall be deemed to
               ------------------
entitle Executive to continued employment with the Company or its Subsidiaries.

          9.   Successors; Binding Agreement.
               -----------------------------

          (a)  This Agreement shall not be terminated by any Business
Combination. In the event of any Business Combination, the provisions of this
Agreement shall be binding upon the surviving or resulting corporation or the
person or entity to which such assets are transferred.

          (b)  The Company agrees that concurrently with any Business
Combination, it will cause any successor or transferee unconditionally to
assume, by written instrument delivered
<PAGE>

to Executive (or his beneficiary or estate), all of the obligations of the
Company hereunder. Failure of the Company to obtain such assumption prior to the
effectiveness of any Business Combination that does not constitute a Non-Control
Transaction shall be a breach of this Agreement and shall constitute Good Reason
hereunder and shall entitle Executive to compensation and other benefits from
the Company in the same amount and on the same terms as Executive would be
entitled hereunder if Executive's employment were terminated following a Change
in Control other than by reason of a Nonqualifying Termination. For purposes of
implementing the foregoing, the date on which any such Business Combination
becomes effective shall be deemed the date Good Reason occurs, and shall be the
Date of Termination if requested by Executive.

          (c)  This Agreement shall inure to the benefit of and be enforceable
by Executive's personal or legal representatives, executors, administrators,
successors, heirs, distributees, devisees and legatees. If Executive shall die
while any amounts would be payable to Executive hereunder had Executive
continued to live, all such amounts, unless otherwise provided herein, shall be
paid in accordance with the terms of this Agreement to such person or persons
appointed in writing by Executive to receive such amounts or, if no person is so
appointed, to Executive's estate.

          10.  Notice.
               ------

          (a)  For purposes of this Agreement, all notices and other
communications required or permitted hereunder shall be in writing and shall be
deemed to have been duly given when delivered or five (5) days after deposit in
the United States mail, certified and return receipt requested, postage prepaid,
addressed as follows:

          If to Executive:

          To the most recent address of Executive set forth in the personnel
          records of the Company.

          If to the Company:

          Mallinckrodt Inc.
          675 McDonnell Boulevard
          P.O. Box 5840
          St. Louis, MO 63135
          Attention: Corporate Secretary

or to such other address as either party may have furnished to the other in
writing in accordance herewith, except that notices of change of address shall
be effective only upon receipt.

          (b) A written notice (a "Notice of Termination") of Executive's Date
of Termination by the Company or Executive, as the case may be, to the other,
shall (i) indicate the specific termination provision in this Agreement relied
upon, (ii) to the extent applicable, set forth in reasonable detail the facts
and circumstances claimed to provide a basis for termination of Executive's
employment under the provision so indicated and (iii) specify the Date of
<PAGE>

Termination. The failure by Executive or the Company to set forth in such notice
any fact or circumstance which contributes to a showing of Good Reason or Cause
shall not waive any right of Executive or the Company hereunder or preclude
Executive or the Company from asserting such fact or circumstance in enforcing
Executive's or the Company's rights hereunder.

          11.  Full Settlement. The Company's obligation to make any payments
               ---------------
provided for in this Agreement and otherwise to perform its obligations
hereunder shall not be affected by any set-off, counterclaim, recoupment,
defense or other claim, right or action which the Company may have against
Executive or others. In no event shall Executive be obligated to seek other
employment or take other action by way of mitigation of the amounts payable to
Executive under any of the provisions of this Agreement and, except as provided
in Section 4(b), such amounts shall not be reduced whether or not Executive
obtains other employment.

          12.  Employment. Employment for purposes of this Agreement means
               ----------
employment with the Company or any Subsidiary.

          13.  Governing Law; Validity. The validity, interpretation, and
               -----------------------
enforcement of this Agreement shall be governed by the law of the State of New
York. The invalidity or unenforceability of any provision of this Agreement
shall not affect the validity or enforceability of any other provision of this
Agreement, which other provisions shall remain in full force and effect.

          14.  Arbitration. Any dispute or controversy under this Agreement
               -----------
shall be settled exclusively by arbitration in accordance with the rules of the
American Arbitration Association then in effect.  Judgment may be entered on the
arbitration award in any court having jurisdiction.  The Company shall bear all
costs and expenses arising in connection with any arbitration proceeding
pursuant to this Section 14.

          15.  Entire Agreement; Amendment. This Agreement constitutes the
               ---------------------------
entire agreement of the parties in respect of the subject matter hereof and
specifically supersedes and overrides the Employment Agreement, dated May 1,
1993, and the letter agreement with respect to Gross-up Payments, dated May 1,
1993, as amended. No provision of this Agreement may be amended, waived or
discharged except by the mutual written agreement of the parties.

          16.  Counterparts. This Agreement may be executed in two or more
               ------------
counterparts, each of which shall be deemed to be an original and all of which
together shall constitute one and the same instrument.
<PAGE>

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

          THIS AGREEMENT CONTAINS A BINDING ARBITRATION PROVISION WHICH MAY BE
ENFORCED BY THE PARTIES.

                                    MALLINCKRODT INC.

Date: __________________            By: _____________________________

                                        Name:  Bruce K. Crockett

                                        Title: Vice President Human Resources

DATE: __________________            ___________________________________
                                    Executive

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