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EXHIBIT 10.2
Execution Copy

AMENDMENT

        Amendment, dated as of December 16, 2004, among TYCO INTERNATIONAL GROUP
S.A., a Luxembourg company (the "Borrower"), TYCO INTERNATIONAL LTD., a Bermuda
company (the "Parent") (and together with the Borrower, the "Principal
Obligors"), each required lender from time to time party hereto (collectively,
the "Required Lenders" and individually, a "Required Lender"), and BANK OF
AMERICA, N.A. as Paying Agent (in such capacity, the "Paying Agent").

WITNESSETH

        WHEREAS, the Borrower, the Parent, the Required Lenders, the Paying
Agent and certain other financial institutions have entered into that certain
U.S. $1,500,000,000 Three-Year Credit Agreement, dated as of December 22, 2003
(the "Agreement");

        WHEREAS, the Borrower, the Parent, the Paying Agent and the Required
Lenders desire to amend the Agreement in certain respects;

        NOW THEREFORE, in consideration of the premises and the mutual
agreements, representations and warranties set forth herein, and for other good
and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto hereby agree as follows:

        SECTION 1.    Definitions and References.    Capitalized terms not
otherwise defined herein shall have the meanings attributed thereto in the
Agreement.

        SECTION 2.    Amendments.    

        (a)   Section 1.01 of the Agreement is hereby amended by deleting the
definitions of "Business Day", "Consolidated Funded Debt", "Eurodollar Rate",
"Extraordinary Gains and Losses", "Governmental Authority", "Nonrecourse Debt"
and "Subsidiary Guarantor" and inserting the following new definitions in the
appropriate alphabetical order:

""Business Day" means any day other than a Saturday, Sunday or other day on
which commercial banks are authorized to close under the Laws of, or are in fact
closed in New York, New York or the state where the Paying Agent's Office is
located and, if such day relates to any Eurodollar Rate Loan, means any such day
on which dealings in Dollar deposits are conducted by and between banks in the
London interbank eurodollar market."

""Consolidated Funded Debt" means, as of any date of determination, the
aggregate amount of Debt of the Parent and its Consolidated Subsidiaries
(without duplication), determined on a consolidated basis, as of such date
(including Attributable Debt); provided that (i) if a Permitted Securitization
Transaction is outstanding at such date and is accounted for as a sale of
accounts receivable, chattel paper, general intangibles, or the like, under
GAAP, Consolidated Funded Debt determined as aforesaid shall be adjusted to
include the additional Debt, determined on a consolidated basis as of such date,
which would have been outstanding at such date had such Permitted Securitization
Transaction been accounted for as a borrowing at such date, and
(ii) Consolidated Funded Debt shall in any event include any Preferred Stock
held by a Person other than the Parent or a Wholly-Owned Consolidated
Subsidiary, at the higher of its voluntary or involuntary liquidation value; and
provided that Consolidated Funded Debt shall not include letters of credit, bank
guarantees and similar instruments that support Performance Obligations of the
Parent and any of its Subsidiaries; and provided, further, that Guarantees shall
be valued as provided in the definition of "Guarantee", and provided that
Consolidated Funded Debt shall not include Debt of a joint venture, partnership
or similar entity which is Guaranteed by the Parent or a Consolidated Subsidiary
by virtue of the joint venture, partnership or similar arrangement with respect
to such entity or by operation of

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applicable law (and not otherwise) except to the extent that the aggregate
outstanding principal amount of such excluded Debt at any date exceeds
$50,000,000."

""Eurodollar Rate" means, for any Interest Period with respect to a Eurodollar
Rate Loan, the rate per annum equal to the British Bankers Association LIBOR
Rate ("BBA LIBOR"), as published by Reuters (or other commercially available
source providing quotations of BBA LIBOR as designated by the Paying Agent from
time to time) at approximately 11:00 a.m., London time, two Business Days prior
to the commencement of such Interest Period, for Dollar deposits (for delivery
on the first day of such Interest Period) with a term equivalent to such
Interest Period. If such rate is not available at such time for any reason, then
the "Eurodollar Rate" for such Interest Period shall be the rate per annum
determined by the Paying Agent to be the rate at which deposits in Dollars for
delivery on the first day of such Interest Period in same day funds in the
approximate amount of the Eurodollar Rate Loan being made, continued or
converted by Bank of America and with a term equivalent to such Interest Period
would be offered by Bank of America's London Branch to major banks in the London
interbank eurodollar market at their request at approximately 11:00 a.m. (London
time) two Business Days prior to the commencement of such Interest Period."

""Extraordinary Gains and Losses" means and includes, for any fiscal period,
(i) all extraordinary gains and losses and all other material (whether
considered individually or in the aggregate) nonrecurring non-cash items of the
Parent and its Consolidated Subsidiaries for such period, determined on a
consolidated basis, (ii) gains or losses from the discontinuance of operations
and gains or losses of the Parent and its Consolidated Subsidiaries for such
period resulting from the sale, conversion or other disposition of material
assets of the Parent or any Consolidated Subsidiary other than in the ordinary
course of business, (iii) cash payments pursuant to judgments in and/or
settlements of the Existing Litigation, (iv) gain or loss on the retirement of
debt identified in the consolidated statements of cash flows of the Parent and
its Consolidated Subsidiaries for such period and (v) cash charges incurred
after September 30, 2003 relating to divestitures and restructurings to the
extent that the aggregate amount of such charges does not exceed $500,000,000."

""Governmental Authority" means the government of the United States or any other
nation, or of any political subdivision thereof, whether state or local, and any
agency, authority, instrumentality, regulatory body, court, central bank or
other entity exercising executive, legislative, judicial, taxing, regulatory or
administrative powers or functions of or pertaining to government (including any
supra-national bodies such as the European Union or the European Central Bank)."

""Nonrecourse Debt" means, at any time, all Debt of Subsidiaries (and all other
Persons which are consolidated on the Parent's financial statements in
accordance with GAAP (such Subsidiaries or other Persons a "Consolidated
Person")) of the Parent outstanding at such time incurred on terms that recourse
may be had to such Consolidated Person only to the extent of enforcing security
over those assets acquired, financed, developed or exploited with the proceeds
of such Debt and not by way of action against such Consolidated Person (nor
against the Parent or such other Consolidated Person of the Parent) as a general
and unconditional obligor of such Debt, provided that, such Debt shall not
exceed the cost to acquire, finance, develop or exploit such assets (including
associated costs and expenses)."

""Subsidiary Guarantor" means each Subsidiary that has executed a Subsidiary
Guaranty pursuant to Section 6.13."

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        (b)   Section 1.01 of the Agreement is hereby amended by deleting the
last paragraph of the definition of "Rating Level Period" and inserting the
following in its place:

"and provided, further, that if the Moody's Rating and the S&P Rating differ by
one Rating Level, the higher Rating Level will apply for the Rating Level Period
and if the Moody's Rating and the S&P Rating differ by more than one Rating
Level, then the applicable Rating Level Period shall be one Rating Level higher
than the Rating Level resulting from the application of the lower of such
ratings (for which purpose Rating Level 1 is the highest and Rating Level 5 is
the lowest); and provided, further, that any period during which there is no
Moody's Rating and there is no S&P Rating shall be a Rating Level 6 Period."

        (c)   Section 1.01 of the Agreement is hereby amended by inserting the
following new definitions in the appropriate alphabetical order:

"Amendment Effective Date" means the Effective Date as that term is defined in
the Amendment, dated as of December 16, 2004, among the Borrower, the Parent,
the Required Lenders and the Paying Agent."

"Reportable Action" means any action, suit or proceeding or investigation before
any court, arbitrator or other governmental body against the Parent or any of
its Subsidiaries other than one that could not reasonably be expected to have a
Material Adverse Effect."

        (d)   Section 1.01 of the Agreement is hereby amended by deleting each
of the following defined terms:

"Eurodollar Reserve Percentage"
"IRS"
"Property"
"Restricted Payment"

        (e)   Section 1.02 is hereby amended by deleting the section in its
entirety, and inserting the following new Section 1.02:

"1.02    Other Interpretive Provisions.    With reference to this Agreement and
each other Financing Document, unless otherwise specified herein or in such
other Financing Document:

        (a)   The definitions of terms herein shall apply equally to the
singular and plural forms of the terms defined. Whenever the context may
require, any pronoun shall include the corresponding masculine, feminine and
neuter forms. The words "include," "includes" and "including" shall be deemed to
be followed by the phrase "without limitation." The word "will" shall be
construed to have the same meaning and effect as the word "shall." Unless the
context requires otherwise, (i) any definition of or reference to any agreement,
instrument or other document (including any Organization Document) shall be
construed as referring to such agreement, instrument or other document as from
time to time amended, supplemented or otherwise modified (subject to any
restrictions on such amendments, supplements or modifications set forth herein
or in any other Financing Document), (ii) any reference herein to any Person
shall be construed to include such Person's successors and assigns, (iii) the
words "herein," "hereof" and "hereunder," and words of similar import when used
in any Financing Document, shall be construed to refer to such Financing
Document in its entirety and not to any particular provision thereof, (iv) all
references in a Financing Document to Articles, Sections, Exhibits and Schedules
shall be construed to refer to Articles and Sections of, and Exhibits and
Schedules to, the Financing Document in which such references appear, (v) any
reference to any law shall include all statutory and regulatory provisions
consolidating,

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amending replacing or interpreting such law and any reference to any law or
regulation shall, unless otherwise specified, refer to such law or regulation as
amended, modified or supplemented from time to time, and (vi) the words "asset"
and "property" shall be construed to have the same meaning and effect and to
refer to any and all tangible and intangible assets and properties, including
cash, securities, accounts and contract rights.

        (b)   In the computation of periods of time from a specified date to a
later specified date, the word "from" means "from and including;" the words "to"
and "until" each mean "to but excluding;" and the word "through" means "to and
including."

        (c)   Section headings herein and in the other Financing Documents are
included for convenience of reference only and shall not affect the
interpretation of this Agreement or any other Financing Document."

        (f)    Section1.04 is hereby amended by deleting the section in its
entirety.

        (g)   Sections 1.05, 1.06 and 1.07 are hereby amended by renumbering
those sections as Sections 1.04, 1.05 and 1.06, respectively.

        (h)   Section 3.01(c) of the Agreement is hereby amended by deleting
reference to "subsection (d)" and inserting in its place "subsection (c)".

        (i)    Section 4.02(a) of the Agreement is hereby amended by deleting
that section in its entirety and inserting in its place the following new
Section 4.02(a):

        "(a) The representations and warranties of the Borrower and each other
Obligor contained in Article V (other than, after the Amendment Effective Date,
the representations and warranties set forth in Sections 5.04(a), 5.04(b),
5.05(a), or 5.13) or any other Financing Document, or which are contained in any
document furnished at any time under or in connection herewith or therewith,
shall be true and correct in all material respects on and as of the date of such
Credit Extension, except to the extent that any such representation or warranty
specifically refers to an earlier date, in which case it shall be true and
correct as of such earlier date;"

        (j)    Section 5.02 of the Agreement is hereby amended by deleting that
Section in its entirety and inserting the following new Section 5.02:

"The execution, delivery and performance by each Principal Obligor of this
Agreement and by the Borrower of the Notes: (a) are within its corporate or, if
applicable, partnership, powers; (b) have been duly authorized by all necessary
corporate or, if applicable, partnership, action on its part; (c) require no
license, consent, approval or other action by or in respect of, or filing or
registration with, any governmental body, agency or official, in each case, on
its part; and (d) do not contravene, or constitute a default under, any
provision of (i) applicable law or regulation, (ii) its Organization Documents,
(iii) any agreement or instrument evidencing or governing Debt of such Principal
Obligor, except for any contravention or default under any such agreement or
instrument evidencing or governing such Debt in an aggregate principal amount,
individually or in the aggregate for all such agreements or instruments in
respect of which there is a contravention or default, not in excess of
$25,000,000; or (iv) any other material agreement, judgment, injunction, order,
decree or other instrument binding upon such Principal Obligor."

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        (k)   Section 5.03 of the Agreement is hereby amended by deleting that
Section in its entirety and inserting the following new Section 5.03:

"This Agreement constitutes a legal, valid and binding agreement of such
Principal Obligor and each Note, when executed and delivered in accordance with
this Agreement, will constitute a legal, valid and binding obligation of the
Borrower, in each case enforceable against such Principal Obligor in accordance
with its terms, except as the enforceability thereof may be limited by
(i) applicable bankruptcy, insolvency, reorganization, moratorium, fraudulent
transfer or similar laws of general application relating to or affecting the
rights and remedies of creditors generally or (ii) general principles of
equity."

        (l)    Section 5.04 of the Agreement is hereby amended by deleting the
reference to "PricewaterhouseCooopers LLP" and inserting in its place
"Deloitte & Touche LLP" and deleting each reference to "2003" and inserting in
its place "2004".

        (m)  Section 5.05 of the Agreement is hereby amended by deleting the
Section in its entirety and inserting the following in its place:

"There is no action, suit, proceeding or investigation pending against, or to
the knowledge of the Parent threatened against or affecting, the Parent or any
of its Subsidiaries before any court or arbitrator or any governmental body,
agency or official (a) in which there is a reasonable possibility of an adverse
decision which could, based upon the facts and circumstances in existence at the
time this representation and warranty is made or deemed made, reasonably be
expected to have a Material Adverse Effect, except as set forth in the Parent's
filings of Forms 10K, 10Q or 8K on or before the date hereof or as set forth in
Schedule 5.05 (the "Existing Litigation"), and except for shareholders'
derivative litigation or shareholders' class actions based on the same facts and
circumstances as the Existing Litigation, or (b) which in any manner draws into
question the validity or enforceability of any of the Financing Documents."

        (n)   Section 5.07 of the Agreement is hereby amended by deleting the
phrase "an ongoing review" and inserting in its place "reviews".

        (o)   Section 6.01(a) of the Agreement is hereby amended by deleting the
reference to "PricewaterhouseCoopers LLP" and inserting in its place "Deloitte &
Touche LLP".

        (p)   Section 6.01(c) of the Agreement is hereby amended by deleting the
phrase "and 6.13" and inserting the word "and" immediately preceding "6.12".

        (q)   Section 6.01(e) of the Agreement is hereby amended by deleting
that section in its entirety.

        (r)   Sections 6.01(f), (g), (h) and (i) of the Agreement are hereby
amended by renumbering those sections as Sections 6.01(e), (f), (g) and (h),
respectively.

        (s)   Section 6.01(e) of the Agreement (as renumbered) is hereby amended
by deleting that section in its entirety and inserting in its place the
following new Section 6.01(e):

        "(e) promptly upon the filing thereof, copies of all final registration
statements (other than the exhibits thereto and any registration statements on
Form S-8 or its equivalent), final reports on Forms 10-K, 10-Q and 8-K (or their
equivalents) and proxy statements which the Parent or the Borrower shall have
filed with the SEC;"

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        (t)    Section 6.01(f) of the Agreement (as renumbered) is hereby
amended by deleting that section in its entirety and inserting in its place the
following new Section 6.01(f):

        "(f)  promptly upon any Responsible Officer obtaining knowledge of the
commencement of any Reportable Action, a certificate on behalf of the Parent
specifying the nature of such Reportable Action and what action the Parent is
taking or proposes to take with respect thereto;"

        (u)   Section 6.01 of the Agreement is hereby amended by deleting every
instance of the phrase "subsections (a), (b), (e) or (f)" in the introductory
and last paragraphs of Section 6.01 and inserting in its place "subsections (a),
(b) or (e)".

        (v)   Section 6.07 of the Agreement is hereby amended by deleting the
introductory paragraph in its entirety and inserting in its place the following
new paragraph:

"The Parent will not, and will not permit any Subsidiary to, directly or
indirectly, create or otherwise cause or suffer to exist or become effective any
encumbrance or restriction on the ability of any Subsidiary to (a) pay dividends
or make any other distributions on its capital stock or any other interest or
participation in its profits, owned by the Parent or any Subsidiary, or pay any
Debt owed by any Subsidiary to the Parent or any Subsidiary, (b) make loans or
advances to the Parent or any Subsidiary or (c) transfer any of its properties
or assets to the Parent or any Subsidiary (or, solely in the case of
clause (xii) hereof, any other Consolidated Person in respect of such
Nonrecourse Debt), except for such encumbrances or restrictions existing under
or by reason of:"

        (w)  Sections 6.07(xi) and (xii) of the Agreement are hereby amended by
deleting those sections in their entirety and inserting the following new
Sections 6.07 (xi), (xii) and (xiii):

        "(xi) provisions governing Preferred Stock issued by a Subsidiary,
provided that such Preferred Stock is permitted under Section 6.08,

        (xii) provisions contained in instruments evidencing or governing
Nonrecourse Debt, and

        (xiii) provisions contained in debt instruments, obligations or other
agreements of any Subsidiary which are not otherwise permitted pursuant to
clauses (i) through (xii) of this Section 6.07, provided that the aggregate
investment of the Parent in all such Subsidiaries (determined in accordance with
GAAP) shall at no time exceed the greater of (a) $300,000,000 or (b) 3% of
Consolidated Tangible Assets."

        (x)   Section 6.09(a) of the Agreement is hereby amended by deleting
that section in its entirety and inserting in its place the following new
Section 6.09(a):

"any Lien existing on any asset on the Amendment Effective Date securing Debt
outstanding on such date;"

        (y)   Sections 6.09(k), (l) and (m) of the Agreement are hereby amended
by inserting the following new Section 6.09(k); renumbering old Sections
6.09(k), (l) and (m) as new Sections 6.09(l), (m) and (n), respectively; and
deleting in the renumbered Section 6.09(n) the reference to "(j)" and replacing
it with "(m)":

        "(k) any Lien securing only Nonrecourse Debt;"

        (z)   Section 6.11(a) of the Agreement is hereby amended by deleting
that section in its entirety and inserting in its place the following new
Sections 6.11(a), (b) and (c); renumbering old

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Sections 6.11(b), (c), (d), (e) and (f) as new Sections 6.11(d), (e), (f),
(g) and (h), respectively; and deleting in the renumbered Section 6.11(h) the
reference to "(e)" and replacing it with "(g)":

"(a)    declaring or paying any dividends and distributions on any shares of the
Parent's Stock, including any dividend or distribution payable in shares of the
Parent's Stock or Stock Equivalents,

(b)    making any payments on account of the purchase, redemption, retirement or
acquisition of (x) any shares of the Parent's Stock or (y) any option, warrant
or other right to acquire shares of the Parent's Stock, including any payment
payable in shares of the Parent's Stock or Stock Equivalents,

(c)    declaring or paying any dividends or distributions on Stock of any
Subsidiary held by the Parent or another Subsidiary,"

        (aa) Section 6.12 of the Agreement is hereby amended by deleting that
section in its entirety.

        (bb) Sections 6.13, 6.14 and 6.15 of the Agreement are hereby amended by
renumbering those sections as new Sections 6.12, 6.13 and 6.14, respectively.

        (cc) Section 6.12(a) of the Agreement (as renumbered) is hereby amended
by deleting that section in its entirety and inserting in its place the
following new Section 6.12(a):

"(a)    Consolidated Net Worth.    The Parent will not permit Consolidated Net
Worth as of the last day of any fiscal quarter to be less than the sum of
(a) $23,000,000,000 plus (b) an aggregate amount equal to 50% of its
Consolidated Net Income (but in each case only if a positive number) for each
completed fiscal quarter beginning with the period from October 1, 2004 through
the end of the then most recently ended fiscal quarter of the Parent (treated
for this purpose as a single accounting period)."

        (dd) Section 7.01(b) of the Agreement is hereby amended by deleting the
phrase "or 6.13" and inserting the word "or" immediately preceding "6.12".

        (ee) Section 7.01(m) of the Agreement is hereby amended by inserting the
following phrase immediately after the term "the Borrower":

"(or any permitted successor entity pursuant to Section 6.10(b))"

        (ff)  Section 10.05(d)(iii) of the Agreement is hereby amended by
deleting that section in its entirety and inserting in its place the following
new Section 10.05(d)(iii):

"(iii) a dispute solely among the Lenders that does not arise from any Obligor's
breach of its obligations under any Financing Documents or applicable law."

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        (gg) Section 10.07(b)(i) of the Agreement is hereby amended by deleting
the amount of "$5,000,000" and inserting in its place "$10,000,000".

        (hh) Section 10.08 of the Agreement is hereby amended by deleting the
following sentences in their entirety:

"Notwithstanding anything herein to the contrary, "Information" shall not
include, and the Paying Agent and each Lender may disclose without limitation of
any kind, any information with respect to the "tax treatment" and "tax
structure" (in each case, within the meaning of Treasury Regulation
Section 1.6011-4) of the transactions contemplated hereby and all materials of
any kind (including opinions or other tax analyses) that are provided to the
Paying Agent or such Lender relating to such tax treatment and tax structure;
provided that with respect to any document or similar item that in either case
contains information concerning the tax treatment or tax structure of the
transaction as well as other information, this sentence shall only apply to such
portions of the document or similar item that relate to the tax treatment or tax
structure of the Loans, Letters of Credit and transactions contemplated hereby.
The provisions of the foregoing sentence are intended solely to comply with the
requirements of the presumption in Treasury Regulation
Section 1.6011-4(b)(3)(iii) and are not intended to permit disclosure of any
Information that is not subject to the requirements of such presumption."

        (ii)   Section 10.15 of the Agreement is hereby amended by deleting the
following phrase "; PROVIDED THAT THE PAYING AGENT AND EACH LENDER SHALL RETAIN
ALL RIGHTS ARISING UNDER FEDERAL LAW".

        (jj)   The Agreement is hereby amended by inserting the following new
Section 10.19:

"10.19 USA PATRIOT Act Notice.

Each Lender that is subject to the Act (as hereinafter defined) and the Paying
Agent (for itself and not on behalf of any Lender) hereby notifies the Borrower
that pursuant to the requirements of the USA Patriot Act (Title III of Pub. L.
107-56 (signed into law October 26, 2001)) (the "Act"), it is required to
obtain, verify and record information that identifies the Borrower, which
information includes the name and address of the Borrower and other information
that will allow such Lender or the Paying Agent, as applicable, to identify the
Borrower in accordance with the Act."

        (kk) Schedule 5.05 of the Agreement is hereby amended by deleting the
Schedule in its entirety and inserting in its place the following:

"In re Tyco International Securities Litigation, MDL 02-1335-B, Manko v.
Kozlowski et. al. MDL—02-1335-B; Civ. No 02-352-B; Overby v. Tyco
International Ltd et. al., MDL 02-1335-B; Civ. No. 02-CV-1357-B, and related MDL
proceedings."

        (ll)   Schedule 10.02 of the Agreement is hereby amended by deleting the
Schedule in its entirety and inserting in its place the following:

"PAYING AGENT'S OFFICE,
CERTAIN ADDRESSES FOR NOTICES

Notice to:
Kevin O'Kelly-Lynch
Tyco International Group S.A.
17, bd Grande-Duchesse Charlotte
L-1331 Luxembourg

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Tel: +352 46-43-40-351
Fax: +352 46-43-51
email: kokellylynch@TYCO.COM

with CC: to:
Tyco International (US) Inc.
9 Roszel Rd.
Princeton, NJ 08540
Attention: General Counsel
Tel: 609-720-4200
Fax: 609-720-4326

Website Address: www.tyco.com

PAYING AGENT:

Paying Agent's Office
(for payments and requests for Credit Extensions):
Bank of America, N.A.
101 North Tryon Street
Mail Code: NC1-001-15-04
Charlotte, NC 28255
Attention: Donna Dunn
Tel: 704-386-3767
Fax: 704-409-0070
Email: donna.x.dunn@bankofamerica.com
Account No.: 1366212250600
Account Name: Credit Services
Ref: Tyco International
ABA# 0260-09593

Other Notices as Paying Agent:
Bank of America, N.A.
Agency Management
335 Madison Avenue 4th Floor
Mail Code: NY1-503-04-03
New York, NY 10017
Attention: Steven Gazzilllo
Tel: 212-503-8328
Fax: 212-901-7842
Email: steven.gazzillo@bankofamerica.com

L/C ISSUER:
Bank of America, N.A.
Trade Operations-Los Angeles #22621
333 S. Beaudry Avenue, 19th Floor
Mail Code: CA9-703-19-23
Los Angeles, CA 90017-1466
Attention: Sandra Leon, Vice President
Tel: 213.345.5231

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Fax: 213.345.6694
Email: Sandra.Leon@bankofamerica.com"

        (mm) Exhibit E (Form of Subsidiary Guaranty) of the Agreement is hereby
amended by deleting reference to "Section 6.14" in Section 4.06(b) of Exhibit E
and inserting in its place "Section 6.13".

        SECTION 3.    Representations True; No Event of Default.    The
Principal Obligors represent and warrant on the Effective Date that:

        (a)   The representations and warranties contained in Article V of the
Agreement are correct on and as of the date of this Amendment as though made on
and as of the date hereof after giving effect to this Amendment, except to the
extent that any such representation or warranty specifically refers to an
earlier date, in which case it shall be true and correct as of such earlier
date.

        (b)   No event has occurred and is continuing, or would result from the
execution and delivery of this Amendment, which constitutes an Event of Default
or which, with the giving of notice and/or the passage of time, would constitute
an Event of Default.

        (c)   This Amendment has been duly authorized, executed and delivered on
behalf of each of the Principal Obligors.

        (d)   Each of this Amendment and the Agreement, as amended hereby,
constitutes a legal, valid and binding obligation of the Principal Obligors,
enforceable against each of the Principal Obligors in accordance with its terms,
except as the enforceability thereof may be limited by (i) applicable
bankruptcy, insolvency, reorganization, moratorium, fraudulent transfer or
similar laws of general application relating to or affecting the rights and
remedies of creditors generally or (ii) general principles of equity.

        SECTION 4.    Ratification.    Except as amended hereby, the Agreement
and all other documents executed in connection therewith (including without
limitation, the Notes) shall remain in full force and effect. The Agreement, as
amended hereby, and all rights and powers created thereby or thereunder and
under such other documents are in all respects ratified and confirmed.

        SECTION 5.    Conditions Precedent.    Pursuant to Section 10.01 of the
Agreement, this Amendment will become effective on and as of the first date (the
"Effective Date") on which the Paying Agent has received the following, each in
form and substance satisfactory to the Paying Agent and the Required Lenders:

        (a)   a counterpart of this Amendment duly executed by the Required
Lenders and the Principal Obligors; and

        (b)   evidence that the Principal Obligors' U.S. $1,000,000,000
Five-Year Credit Agreement dated as of December 16, 2004 has become effective.

Until the occurrence of the Effective Date, the Agreement, without giving effect
to this Amendment shall continue in full force and effect in accordance with the
provisions thereof and the rights and obligations of the parties thereto shall
not be affected hereby, all Commitments and Loans thereunder shall continue as
set forth therein and all interest accruing and other amounts payable under the
Agreement shall continue to accrue and be payable as provided for therein.

        SECTION 6.    Miscellaneous.    

        (a)   The Agreement and this Amendment shall be read, taken and
construed as one and the same instrument from and after the Effective Date.

        (b)   This Amendment shall be governed by, and construed in accordance
with, the laws of the State of New York.

10

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        (c)   Any references in the Agreement to "this Agreement", "hereunder",
"herein" or words of like import, and each reference in any other document
executed in connection with the Agreement (including without limitation, the
Notes), to "the Agreement", "thereunder", "therein" or words of like import,
shall, from and after the Effective Date, mean and be a reference to the
Agreement as amended hereby.

        (d)   The Borrower agrees to reimburse the Paying Agent for its
reasonable out-of-pocket expenses in connection with this Amendment including
the reasonable fees, charges and disbursements of Chadbourne & Parke LLP,
counsel for the Paying Agent.

        (e)   This Amendment may be executed in any number of counterparts and
by different parties hereto in separate counterparts, each of which when so
executed shall be deemed an original and all of which taken together shall
constitute one and the same agreement.

[THE BALANCE OF THIS PAGE IS INTENTIONALLY LEFT BLANK]

11

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        IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
executed by their respective officers thereunto duly authorized, as of the date
first above written.

 
 
TYCO INTERNATIONAL GROUP S.A., as Borrower
 
 
By:
 
/s/  KEVIN O'KELLY-LYNCH      

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    Name:   Kevin O'Kelly-Lynch

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    Title:   Managing Director

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TYCO INTERNATIONAL LTD., as Parent
 
 
By:
 
/s/  DAVID J. FITZPATRICK      

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    Name:   David J. FitzPatrick

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    Title:   EVP & CFO

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S-1
[Signature Page to the Amendment to the Three Year Credit Agreement]

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BANK OF AMERICA, N.A., as Paying Agent
 
 
By:
 
/s/  JOHN POCALYKO      

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    Name:   John Pocalyko

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    Title:   Managing Director

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S-2
[Signature Page to the Amendment to the Three Year Credit Agreement]

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BANK OF AMERICA, N.A., as a Lender
 
 
By:
 
/s/  JOHN POCALYKO      

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    Name:   John Pocalyko

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    Title:   Managing Director

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S-3
[Signature Page to the Amendment to the Three Year Credit Agreement]

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CITICORP NORTH AMERICA, INC., as a Lender
 
 
By:
 
/s/  DIANE L. POCKAJ      

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    Name:   Diane L. Pockaj

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    Title:   Vice President

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S-4
[Signature Page to the Amendment to the Three Year Credit Agreement]

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ABN AMRO BANK N.V.
 
 
By:
 
/s/  ERIC OPPENHEIMER      

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    Name:   Eric Oppenheimer

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    Title:   Director

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By:
 
/s/  MICHELE R. COSTELLO      

--------------------------------------------------------------------------------

    Name:   Michele R. Costello

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    Title:   Assistant Vice President

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S-5
[Signature Page to the Amendment to the Three Year Credit Agreement]

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AUSTRALIA AND NEW ZEALAND BANKING GROUP LIMITED
 
 
By:
 
/s/  DAMODAR MENON      

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    Name:   Damodar Menon

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    Title:   Director

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S-6
[Signature Page to the Amendment to the Three Year Credit Agreement]

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BANCO BILBAO VIZCAYA ARGENTARIA S.A.
 
 
By:
 
/s/  JAY LEVIT      

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    Name:   Jay Levit

--------------------------------------------------------------------------------

    Title:   Vice President Global Corporate Banking

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By:
 
/s/  JOHN MARTINI      

--------------------------------------------------------------------------------

    Name:   John Martini

--------------------------------------------------------------------------------

    Title:   Vice President Corporate Banking

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S-7
[Signature Page to the Amendment to the Three Year Credit Agreement]

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THE BANK OF N.T. BUTTERFIELD & SON LTD.
 
 
By:
 

--------------------------------------------------------------------------------

    Name:  

--------------------------------------------------------------------------------

    Title:  

--------------------------------------------------------------------------------

 
 
By:
 

--------------------------------------------------------------------------------

    Name:  

--------------------------------------------------------------------------------

    Title:  

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S-8
[Signature Page to the Amendment to the Three Year Credit Agreement]

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THE BANK OF NOVA SCOTIA
 
 
By:
 
/s/  WILLIAM E. ZARRETT      

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    Name:   William E. Zarrett

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    Title:   Managing Director

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S-9
[Signature Page to the Amendment to the Three Year Credit Agreement]

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BARCLAYS BANK PLC
 
 
By:
 
/s/  DOUGLAS BERNEGGER      

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    Name:   Douglas Bernegger

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    Title:   Director

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S-10
[Signature Page to the Amendment to the Three Year Credit Agreement]

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BAYERISCHE HYPO-UND
VEREINSBANK AG, New York Branch
 
 
By:
 
/s/  MARIANNE WEINZINGER      

--------------------------------------------------------------------------------

    Name:   Marianne Weinzinger

--------------------------------------------------------------------------------

    Title:   Director

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By:
 
/s/  TRICIA GRIEVE      

--------------------------------------------------------------------------------

    Name:   Tricia Grieve

--------------------------------------------------------------------------------

    Title:   Director

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S-11
[Signature Page to the Amendment to the Three Year Credit Agreement]

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BAYERISCHE LANDESBANK, NEW YORK BRANCH
 
 
By:
 
/s/  [ILLEGIBLE]      

--------------------------------------------------------------------------------

    Name:     [Illegible]

--------------------------------------------------------------------------------

    Title:       Senior Vice President

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By:
 
/s/  NORMAN MCCLAVE      

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    Name:     Norman McClave

--------------------------------------------------------------------------------

    Title:       First Vice President

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S-12
[Signature Page to the Amendment to the Three Year Credit Agreement]

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BEAR STEARNS CORPORATE LENDING INC.
 
 
By:
 
/s/  VICTOR BULZACCHELLI      

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    Name:     Victor Bulzacchelli

--------------------------------------------------------------------------------

    Title:       Vice President

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S-13
[Signature Page to the Amendment to the Three Year Credit Agreement]

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BNP PARIBAS
 
 
By:
 
/s/  SHAYN MARCH      

--------------------------------------------------------------------------------

    Name:   Shayn March

--------------------------------------------------------------------------------

    Title:   Director

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By:
 
/s/  NUALA MARLEY      

--------------------------------------------------------------------------------

    Name:   Nuala Marley

--------------------------------------------------------------------------------

    Title:   Managing Director

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S-14
[Signature Page to the Amendment to the Three Year Credit Agreement]

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COMMERZBANK AG, New York and
Grand Cayman Branches
 
 
By:
 

--------------------------------------------------------------------------------

    Name:  

--------------------------------------------------------------------------------

    Title:  

--------------------------------------------------------------------------------

 
 
By:
 

--------------------------------------------------------------------------------

    Name:  

--------------------------------------------------------------------------------

    Title:  

--------------------------------------------------------------------------------

S-15
[Signature Page to the Amendment to the Three Year Credit Agreement]

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CREDIT SUISSE FIRST BOSTON,
acting through its Cayman Islands Branch
 
 
By:
 
/s/  PETER CHAUVIN      

--------------------------------------------------------------------------------

    Name:   Peter Chauvin

--------------------------------------------------------------------------------

    Title:   Vice President

--------------------------------------------------------------------------------

 
 
By:
 
/s/  ALAIN DAOUST      

--------------------------------------------------------------------------------

    Name:   Alain Daoust

--------------------------------------------------------------------------------

    Title:   Director

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S-16
[Signature Page to the Amendment to the Three Year Credit Agreement]

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DEUTSCHE BANK AG NEW YORK BRANCH
 
 
By:
 
/s/  FREDERICK W. LAIRD      

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    Name:   Frederick W. Laird

--------------------------------------------------------------------------------

    Title:   Managing Director

--------------------------------------------------------------------------------

 
 
By:
 
/s/  THOMAS A. FOLEY      

--------------------------------------------------------------------------------

    Name:   Thomas A. Foley

--------------------------------------------------------------------------------

    Title:   Director

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S-17
[Signature Page to the Amendment to the Three Year Credit Agreement]

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GOLDMAN SACHS CREDIT PARTNERS L.P.
 
 
By:
 

--------------------------------------------------------------------------------

    Name:  

--------------------------------------------------------------------------------

    Title:  

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S-18
[Signature Page to the Amendment to the Three Year Credit Agreement]

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THE GOVERNOR AND COMPANY OF THE BANK OF IRELAND
 
 
By:
 
/s/  F. MCDONALD      

--------------------------------------------------------------------------------

 
/s/  FERGUS WOODS      

--------------------------------------------------------------------------------

    Name:   F. McDonald

--------------------------------------------------------------------------------

  Fergus Woods

--------------------------------------------------------------------------------

    Title:   Director

--------------------------------------------------------------------------------

  Deputy Manager

--------------------------------------------------------------------------------

S-19
[Signature Page to the Amendment to the Three Year Credit Agreement]

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HIGHLAND FLOATING RATE FUND LLC
 
 
By:
 

--------------------------------------------------------------------------------

    Name:  

--------------------------------------------------------------------------------

    Title:  

--------------------------------------------------------------------------------

S-20
[Signature Page to the Amendment to the Three Year Credit Agreement]

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ING BELGIUM NV/SA
 
 
By:
 
/s/  YVES ADLER      

--------------------------------------------------------------------------------

    Name:   Yves Adler

--------------------------------------------------------------------------------

    Title:   Directeur Adjoint

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S-21
[Signature Page to the Amendment to the Three Year Credit Agreement]

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JPMORGAN CHASE BANK, N.A.
 
 
By:
 
/s/  ROBERT T. SACKS      

--------------------------------------------------------------------------------

    Name:   Robert T. Sacks

--------------------------------------------------------------------------------

    Title:   Managing Director

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S-22
[Signature Page to the Amendment to the Three Year Credit Agreement]

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LEHMAN COMMERCIAL PAPER INC.
 
 
By:
 
/s/  JANINE M. SHUGAN      

--------------------------------------------------------------------------------

    Name:   Janine M. Shugan

--------------------------------------------------------------------------------

    Title:   Authorized Signatory

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S-23
[Signature Page to the Amendment to the Three Year Credit Agreement]

--------------------------------------------------------------------------------

 
 
MANUFACTURERS AND TRADERS TRUST COMPANY
 
 
By:
 
/s/  BRIAN J. SOHOCKI      

--------------------------------------------------------------------------------

    Name:   Brian J. Sohocki

--------------------------------------------------------------------------------

    Title:   Officer

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S-24
[Signature Page to the Amendment to the Three Year Credit Agreement]

--------------------------------------------------------------------------------

 
 
MELLON BANK, N.A.
 
 
By:
 
/s/  DANIEL J. LENCKOS      

--------------------------------------------------------------------------------

    Name:   Daniel J. Lenckos

--------------------------------------------------------------------------------

    Title:   First Vice President

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S-25
[Signature Page to the Amendment to the Three Year Credit Agreement]

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MERRILL LYNCH BANK USA
 
 
By:
 
/s/  FRANK STEPAN      

--------------------------------------------------------------------------------

    Name:   Frank Stepan

--------------------------------------------------------------------------------

    Title:   Vice President

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S-26
[Signature Page to the Amendment to the Three Year Credit Agreement]

--------------------------------------------------------------------------------

 
 
MIZUHO CORPORATE BANK, LTD.
 
 
By:
 

--------------------------------------------------------------------------------

    Name:  

--------------------------------------------------------------------------------

    Title:  

--------------------------------------------------------------------------------

S-27
[Signature Page to the Amendment to the Three Year Credit Agreement]

--------------------------------------------------------------------------------

 
 
MORGAN STANLEY BANK
 
 
By:
 
/s/  DANIEL TWENGE      

--------------------------------------------------------------------------------

    Name:   Daniel Twenge

--------------------------------------------------------------------------------

    Title:   Vice President

--------------------------------------------------------------------------------

S-28
[Signature Page to the Amendment to the Three Year Credit Agreement]

--------------------------------------------------------------------------------

 
 
THE NORTHERN TRUST COMPANY
 
 
By:
 
/s/  JOHN A. KONSTANTOS      

--------------------------------------------------------------------------------

    Name:   John A. Konstantos

--------------------------------------------------------------------------------

    Title:   Vice President

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S-29
[Signature Page to the Amendment to the Three Year Credit Agreement]

--------------------------------------------------------------------------------

 
 
THE ROYAL BANK OF SCOTLAND, PLC
 
 
By:
 
/s/  FRANK GUERRA      

--------------------------------------------------------------------------------

    Name:   Frank Guerra

--------------------------------------------------------------------------------

    Title:   Senior Vice President

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S-30
[Signature Page to the Amendment to the Three Year Credit Agreement]

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SAN PAOLO IMI S.p.A.
 
 
By:
 
/s/  RENATO CARDUCCI      

--------------------------------------------------------------------------------

    Name:   Renato Carducci

--------------------------------------------------------------------------------

    Title:   General Manager

--------------------------------------------------------------------------------

 
 
By:
 
/s/  LUCA SACCHI      

--------------------------------------------------------------------------------

    Name:   Luca Sacchi

--------------------------------------------------------------------------------

    Title:   Vice President

--------------------------------------------------------------------------------

S-31
[Signature Page to the Amendment to the Three Year Credit Agreement]

--------------------------------------------------------------------------------

 
 
SOCIETE GENERALE
 
 
By:
 
/s/  AMBRISH D. THANAWALA      

--------------------------------------------------------------------------------

    Name:   Ambrish D. Thanawala

--------------------------------------------------------------------------------

    Title:   Director

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S-32
[Signature Page to the Amendment to the Three Year Credit Agreement]

--------------------------------------------------------------------------------

 
 
SUMITOMO MITSUI BANKING CORP., NEW YORK
 
 
By:
 

--------------------------------------------------------------------------------

    Name:  

--------------------------------------------------------------------------------

    Title:  

--------------------------------------------------------------------------------

S-33
[Signature Page to the Amendment to the Three Year Credit Agreement]

--------------------------------------------------------------------------------

 
 
UBS LOAN FINANCE LLC
 
 
By:
 
/s/  BARBARA EZELL-MCMICHAEL      

--------------------------------------------------------------------------------

    Name:   Barbara Ezell-McMichael

--------------------------------------------------------------------------------

    Title:   Associate Director, Banking Products Services, US

--------------------------------------------------------------------------------

 
 
By:
 
/s/  WINSLOWE OGBOURNE      

--------------------------------------------------------------------------------

    Name:   Winslowe Ogbourne

--------------------------------------------------------------------------------

    Title:   Associate Director, Banking Products Services, US

--------------------------------------------------------------------------------

S-34
[Signature Page to the Amendment to the Three Year Credit Agreement]

--------------------------------------------------------------------------------

 
 
WESTPAC BANKING CORPORATION
 
 
By:
 
/s/  RANDY FAUST      

--------------------------------------------------------------------------------

    Name:   Randy Faust

--------------------------------------------------------------------------------

    Title:   Vice President

--------------------------------------------------------------------------------

S-35
[Signature Page to the Amendment to the Three Year Credit Agreement]

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QuickLinks

AMENDMENT
WITNESSETH
" PAYING AGENT'S OFFICE, CERTAIN ADDRESSES FOR NOTICES