<PAGE>
                                                                    EXHIBIT 4.49

                                                               Execution Version
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                   SUPPLEMENTAL SUBSIDIARY GUARANTEE AGREEMENT

                               with respect to the

                          6 3/4% SENIOR NOTES DUE 2011

                                       of

                               STATS CHIPPAC LTD.


                                   ----------


                          Dated as of February 21, 2006


                                   ----------


                                   GUARANTORS

                               STATS CHIPPAC, INC.
                             STATS HOLDINGS LIMITED
                        STATS CHIPPAC TEST SERVICES, INC.
                          STATS CHIPPAC (BARBADOS) LTD.
                      CHIPPAC INTERNATIONAL COMPANY LIMITED
                           STATS CHIPPAC (BVI) LIMITED
                           CHIPPAC LUXEMBOURG S.A.R.L.
         CHIPPAC LIQUIDITY MANAGEMENT HUNGARY LIMITED LIABILITY COMPANY
                            STATS CHIPPAC KOREA LTD.
                        STATS CHIPPAC MALAYSIA SDN. BHD.
                         STATS CHIPPAC TAIWAN CO., LTD.


                                   ----------

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<PAGE>
     SUPPLEMENTAL SUBSIDIARY GUARANTEE AGREEMENT dated as of February 21, 2006
(this "Supplemental Agreement") made among STATS ChipPAC Taiwan Co., Ltd., a
Taiwan corporation (the "New Guarantor"), each other then existing Guarantor
under the Indenture and Original Agreement referred to below (each, a
"Guarantor" and collectively, the "Guarantors" and which shall, upon due
execution and delivery of this Supplemental Agreement, include the New
Guarantor), STATS ChipPAC Ltd., a corporation organized under the laws of the
Republic of Singapore, as issuer (the "Company"), and the Trustee (as defined
below).

     Reference is made to the Indenture (as the same may be amended, restated,
supplemented or modified from time to time in accordance with its terms, the
"Indenture") dated as of July 19, 2005 between the Company and U.S. Bank
National Association, as trustee (the "Trustee"), providing for the issuance of
6 3/4% Senior Notes due 2011 of the Company (the "Notes"), and the Subsidiary
Guarantee Agreement dated as of November 18, 2004 (the "Original Agreement," and
together with this Supplemental Agreement, this "Agreement") among the
Guarantors party thereto, the Company and the Trustee, providing for the
Guarantors to Guarantee the Notes pursuant to the Indenture and the Original
Agreement.

     WHEREAS, Section 4.20 of the Indenture and Section 2.03 of the Original
Agreement provide that the Company is required to cause each Restricted
Subsidiary formed after the Issue Date to execute a Note Guarantee pursuant to
which such Restricted Subsidiary will, jointly and severally with each other
Guarantor, unconditionally Guarantee the Notes on the terms and conditions in
the Indenture and the Original Agreement;

     WHEREAS, pursuant to Section 9.01 of the Indenture, the Trustee, the
Company and the Guarantors are authorized to execute and deliver this
Supplemental Agreement to amend and supplement the Original Agreement, without
the consent of any Holder;

     WHEREAS, the Company owns directly or indirectly all of the capital stock
of the New Guarantor;

     WHEREAS, the Company agrees to cause the New Guarantor to guarantee the
Notes pursuant to the terms of the Indenture and this Agreement;

     NOW, THEREFORE, in consideration of the foregoing and for other good and
valuable consideration, the receipt of which is hereby acknowledged, the New
Guarantor, the other Guarantors and the Company hereby agree with and for the
equal and ratable benefit of the Holders of the Notes and for the benefit of the
Trustee as follows:

                                    ARTICLE 1
                                   DEFINITIONS

Section 1.01  Definitions.  Capitalized terms used herein without definition
shall have the meanings assigned to them in the Indenture.

                                       1
<PAGE>
                                   ARTICLE 2
                                NOTE GUARANTEES

Section 2.01  Guarantees.

     (a) Subject to this Article 2, the New Guarantor hereby, jointly and
severally with each other Guarantor, unconditionally guarantees to each Holder
of a Note authenticated and delivered by the Trustee and to the Trustee and its
successors and assigns, irrespective of the validity and enforceability of the
Indenture, this Agreement, the Notes or the obligations of the Company
thereunder, that:

          (1) the principal of, premium and Liquidated Damages, if any, and
     interest on, the Notes will be promptly paid in full when due, whether at
     maturity, by acceleration, redemption or otherwise, and interest on the
     overdue principal of and interest on the Notes, if any, if lawful, and all
     other obligations of the Company to the Holders or the Trustee hereunder or
     thereunder will be promptly paid in full or performed, all in accordance
     with the terms hereof and thereof; and

          (2) in case of any extension of time of payment or renewal of any
     Notes or any of such other obligations, that same will be promptly paid in
     full when due or performed in accordance with the terms of the extension or
     renewal, whether at stated maturity, by acceleration or otherwise.

     Failing payment of any amount so guaranteed or any performance so
guaranteed when due, in each case, for whatever reason, the New Guarantor will
be jointly and severally together with each other Guarantor obligated to pay the
same immediately. The New Guarantor agrees that this is a guarantee of payment
and not a guarantee of collection.

     (b) The New Guarantor hereby agrees that its obligations hereunder are
unconditional, irrespective of the validity, regularity or enforceability of the
Notes, the Indenture or this Agreement, the absence of any action to enforce the
same, any waiver or consent by any Holder of the Notes with respect to any
provisions hereof or thereof, the recovery of any judgment against the Company,
any action to enforce the same or any other circumstance which might otherwise
constitute a legal or equitable discharge or defense of a guarantor. The New
Guarantor hereby waives diligence, presentment, demand of payment, filing of
claims with a court in the event of insolvency or bankruptcy of the Company, any
right to require a proceeding first against the Company, protest, notice and all
demands whatsoever and covenant that this Note Guarantee will not be discharged
except by complete performance of the obligations contained in the Notes, the
Indenture and this Agreement.

     (c) If any Holder or the Trustee is required by any court or otherwise to
return to the Company, the Guarantors or any custodian, trustee, liquidator or
other similar official acting in relation to either the Company or the
Guarantors, any amount paid by either to the Trustee or such Holder, this Note
Guarantee, to the extent theretofore discharged, will be reinstated in full
force and effect.

                                        2
<PAGE>
     (d) The New Guarantor agrees that it will not be entitled to any right of
subrogation in relation to the Holders in respect of any obligations guaranteed
hereby until payment in full of all obligations guaranteed hereby. The New
Guarantor further agrees that, as between it, on the one hand, and the Holders
and the Trustee, on the other hand, (1) the maturity of the obligations
guaranteed hereby may be accelerated as provided in Article 6 of the Indenture
for the purposes of this Note Guarantee, notwithstanding any stay, injunction or
other prohibition preventing such acceleration in respect of the obligations
guaranteed hereby, and (2) in the event of any declaration of acceleration of
such obligations as provided in Article 6 of the Indenture, such obligations
(whether or not due and payable) will forthwith become due and payable by the
Guarantors for the purpose of this Note Guarantee. Each Guarantor that makes a
payment under its Note Guarantee will have the right to seek contribution from
any non-paying Guarantor in an amount equal to such non-paying Guarantor's
pro-rata portion of such payment based on the respective net assets of all the
Guarantors at the time of such payment determined in accordance with U.S. GAAP
so long as the exercise of such right does not impair the rights of the Holders
under each Note Guarantee.

Section 2.02  Limitation on Guarantor Liability.

     The New Guarantor, and by its acceptance of Notes, each Holder, hereby
confirms that it is the intention of all such parties that the Note Guarantee of
the New Guarantor not constitute a fraudulent transfer or conveyance for
purposes of Bankruptcy Law, the Uniform Fraudulent Conveyance Act, the Uniform
Fraudulent Transfer Act or any similar federal or state law to the extent
applicable to any Note Guarantee. To effectuate the foregoing intention, the
Trustee, the Holders, the New Guarantor and the other Guarantors hereby
irrevocably agree that the obligations of the New Guarantor will be limited to
the maximum amount that will, after giving effect to such maximum amount and all
other contingent and fixed liabilities of the New Guarantor that are relevant
under such laws, and after giving effect to any collections from, rights to
receive contribution from or payments made by or on behalf of any other
Guarantor in respect of the obligations of such other Guarantor under Article 2
of this Agreement, result in the obligations of the New Guarantor under its Note
Guarantee not constituting a fraudulent transfer or conveyance.

Section 2.03  Execution and Delivery of Note Guarantee.

     To evidence its Note Guarantee set forth in Section 2.01 hereof, the New
Guarantor hereby agrees that a notation of such Note Guarantee substantially in
the form attached as Exhibit A to this Agreement will be endorsed by an Officer
of the New Guarantor on each Note authenticated and delivered by the Trustee and
that this Agreement will be executed on behalf of the New Guarantor by one of
its Officers.

     The New Guarantor hereby agrees that its Note Guarantee set forth in
Section 2.01 hereof will remain in full force and effect notwithstanding any
failure to endorse on each Note a notation of such Note Guarantee.

     If an Officer whose signature is on this Agreement or on the Note Guarantee
no longer holds that office at the time the Trustee authenticates the Note on
which a Note Guarantee is endorsed, the Note Guarantee will be valid
nevertheless.

                                       3
<PAGE>
     The delivery of any Note by the Trustee, after the authentication thereof
hereunder, will constitute due delivery of the Note Guarantee set forth in this
Agreement on behalf of the Guarantors.

     In the event that the Company or any of its Restricted Subsidiaries forms
or otherwise acquires, directly or indirectly, any Restricted Subsidiary after
the date hereof, if required by Section 4.20 of the Indenture, the Company will
cause such Restricted Subsidiary to guarantee the Notes and to comply with the
provisions of Section 4.20 of the Indenture and this Article 2, to the extent
applicable.

Section 2.04  Guarantors May Consolidate, etc., on Certain Terms.

     Except as otherwise provided in Section 2.05 hereof, no Guarantor may
consolidate with or merge with or into, or convey, transfer or lease, in one
transaction or a series of transactions, all or substantially all of its assets
to any Person, unless:

     (a) the resulting, surviving or transferee Person if not the Guarantor
shall be a Person organized and existing under the laws of the jurisdiction
under which the Guarantor was organized or under the laws of the United States
of America, or any State thereof or the District of Columbia, and the Person
shall expressly assume, by executing a supplemental indenture satisfactory to
the Trustee, all the obligations of the Guarantor under the Indenture, this
Agreement and the Registration Rights Agreement;

     (b) immediately after giving effect to the transaction or transactions on a
pro forma basis, and treating any Indebtedness which becomes an obligation of
the resulting, surviving or transferee Person as a result of the transaction as
having been issued by the Person at the time of the transaction, no Default
shall have occurred and be continuing; and

     (c) the Company shall have delivered to the Trustee an Officers'
Certificate and an Opinion of Counsel, each stating that the consolidation,
merger or transfer and the supplemental indenture complies with the Indenture.

     The provisions of clauses (a) and (b) above shall not apply to any one or
more transactions involving a Guarantor which constitute an Asset Sale if such
transactions are made in compliance with the applicable provisions of Section
4.10 of the Indenture.

     In case of any such consolidation, merger, conveyance, transfer, lease, or
sale, and upon the assumption by the successor Person, by supplemental
indenture, executed and delivered to the Trustee and satisfactory in form to the
Trustee, of the Note Guarantee endorsed upon the Notes and the due and punctual
performance of all of the covenants and conditions of the Indenture and this
Agreement to be performed by the Guarantor, such successor Person will succeed
to and be substituted for the Guarantor with the same effect as if it had been
named herein as a Guarantor. Such successor Person thereupon may cause to be
signed any or all of the Note Guarantees to be endorsed upon all of the Notes
issuable hereunder which theretofore shall not have been signed by the Company
and delivered to the Trustee. All the Note Guarantees so issued will in all
respects have the same legal rank and benefit under the Indenture and this
Agreement as the Note Guarantees theretofore and thereafter issued in accordance
with the terms

                                       4
<PAGE>
of the Indenture and this Agreement as though all of such Note Guarantees had
been issued at the date of the execution hereof.

     Except as set forth in Articles 4 and 5 of the Indenture, and
notwithstanding clauses (a) and (c) of this section 2.04, nothing contained in
the Indenture, this Agreement or in any of the Notes will prevent any
consolidation or merger of a Guarantor with or into the Company or another
Guarantor, or will prevent any sale or conveyance of the property of a Guarantor
as an entirety or substantially as an entirety to the Company or another
Guarantor.

Section 2.05  Releases.

     The Note Guarantee of a Guarantor will be automatically released and such
Guarantor shall be deemed automatically released and relieved of any and all
obligations under its Note Guarantee without any further action required on the
part of the Trustee or any Holder:

     (a) in connection with any sale or other disposition of all or
substantially all of the assets of that Guarantor (including by way of merger or
consolidation) to a Person that is not (either before or after giving effect to
such transaction) the Company or a Restricted Subsidiary of the Company, in each
case so long as such sale or other disposition is made in accordance with
Section 5.01 and Section 4.10 of the Indenture;

     (b) in connection with any sale or other disposition of all of the Capital
Stock of that Guarantor to a Person that is not (either before or after giving
effect to such transaction) the Company or a Restricted Subsidiary of the
Company, in each case so long as such sale or disposition is made in accordance
with Section 5.01 and Section 4.10 of the Indenture;

     (c) if the Company designates any Restricted Subsidiary that is a Guarantor
to be an Unrestricted Subsidiary in accordance with the applicable provisions of
the Indenture; or

     (d) upon legal defeasance or satisfaction and discharge of the Indenture in
accordance with Article 8 and Article 10 of the Indenture.

     In the case of clauses (a) and (b) above, upon delivery by the Company to
the Trustee of an Officers' Certificate to the effect that such sale or other
disposition was made by the Company in accordance with the provisions of the
Indenture, including without limitation Section 4.10 and 5.01 thereof, the
Trustee will execute any documents reasonably required in order to evidence the
release of any Guarantor from its obligations under its Note Guarantee.

     Any Guarantor not released from its obligations under its Note Guarantee as
provided in this Section 2.05 will remain liable for the full amount of
principal of and interest and premium and Liquidated Damages, if any, on the
Notes and for the other obligations of any Guarantor under the Indenture and as
provided in this Article 2.

Section 2.06  Withholding Taxes.

     All payments of, or in respect of, principal of, premium and interest on,
the Notes under the Note Guarantees will be made by the Guarantors without
withholding or deduction for, or on account of, any present or future taxes,
duties, assessments or governmental charges of

                                       5
<PAGE>
whatever nature imposed or levied by or on behalf of Singapore or any other
jurisdiction in which any Guarantor is organized or resident for tax purposes or
from or through which payment is made, (including, in each case, any political
subdivision thereof) (the "Relevant Jurisdiction") or any authority thereof or
therein having power to tax unless these taxes, duties, assessments or
governmental charges are required to be withheld or deducted. In that event,
such Guarantor agrees to pay such additional amounts as will result (after
deduction of such taxes, duties, assessments or governmental charges and any
additional taxes, duties, assessments or governmental charges of the Relevant
Jurisdiction) in the payment to each Holder of a Note of the amounts that would
have been payable in respect of such Notes or under the Note Guarantees had no
withholding or deduction been required (such amounts, "Additional Amounts"),
except that no Additional Amounts shall be payable for or on account of:

     (a) any tax, duty, assessment or other governmental charge that would not
have been imposed but for the fact that such Holder:

          (1)  has a present or former connection with the Relevant Jurisdiction
     other than the mere ownership of, or receipt of payment under, such Note or
     under the Note Guarantees; or

          (2)  presented such Note more than 30 days after the date on which the
     payment in respect of such Note first became due and payable or provided
     for, whichever is later, except to the extent that the Holder would
     have been entitled to such Additional Amounts if it had presented such Note
     for payment on any day within such period of 30 days;

     (b) any estate, inheritance, gift, sale, transfer, personal property or
similar tax, assessment or other governmental charge;

     (c) any tax, duty, assessment or other governmental charge which is payable
otherwise than by deduction or withholding from payment of interest or principal
on the Notes or under the Note Guarantees;

     (d) any tax, duty, assessment or other governmental charge that is imposed
or withheld by reason of the failure to comply by the Holder or the Beneficial
Owner of a Note with a request by the Company or such Guarantor addressed to the
Holder (A) to provide information concerning the nationality, residence or
identity of the Holder or such Beneficial Owner or (B) to make any declaration
or other similar claim or satisfy any information or reporting requirement,
which, in the case of (A) and (B), is required or imposed by a statute, treaty,
regulation or administrative practice of the taxing jurisdiction as a
precondition to exemption from all or part of such tax, duty, assessment or
other governmental charge; or

     (e) any combination of the items listed above;

nor shall Additional Amounts be paid with respect to any payment of the
principal of or premium or interest on any Note to any Holder who is a fiduciary
or partnership or other than the sole Beneficial Owner of the payment to the
extent that, if the Beneficial Owner had held the note directly, such Beneficial
Owner would not have been entitled to the Additional Amounts.

                                       6
<PAGE>
     If any taxes are required to be deducted or withheld from payments on the
Notes under the Note Guarantees, such Guarantor shall promptly provide a receipt
of the payment of such taxes (or if such receipt is not available, any other
evidence of payment reasonably acceptable to the trustee).

     Any reference herein to the payment of the principal of or interest on any
Note shall be deemed to include the payment of Additional Amounts provided for
in the Indenture and this Agreement to the extent that, in such context,
Additional Amounts are, were or would be payable under the Indenture.

                                    ARTICLE 3
                                  MISCELLANEOUS

Section 3.01  Notices.

     Any notice or communication by the Company, any Guarantor or the Trustee to
the others is duly given if in writing and delivered in Person or by first class
mail (registered or certified, return receipt requested), facsimile transmission
or overnight air courier guaranteeing next day delivery, to the others' address
(a) if to the Company and/or any Guarantor, at the Company's address set forth
in the Indenture and (b) if to the Trustee, to the Trustee's address set forth
in the Indenture.

     All notices and communications (other than those sent to Holders) will be
deemed to have been duly given: at the time delivered by hand, if personally
delivered; five Business Days after being deposited in the mail, postage
prepaid, if mailed; when receipt acknowledged, if transmitted by facsimile; and
the next Business Day after timely delivery to the courier, if sent by overnight
air courier guaranteeing next day delivery.

     Any notice or communication to a Holder will be mailed by first class mail,
certified or registered, return receipt requested, or by overnight air courier
guaranteeing next day delivery to its address shown on the register kept by the
Registrar. Any notice or communication will also be so mailed to any Person
described in TIA Section 313(c), to the extent required by the TIA. Failure to
mail a notice or communication to a Holder or any defect in it will not affect
its sufficiency with respect to other Holders.

     If a notice or communication is mailed in the manner provided above within
the time prescribed, it is duly given, whether or not the addressee receives it.

     If the Company or a Guarantor mails a notice or communication to Holders,
it will mail a copy to the Trustee and each Agent at the same time.

Section 3.02  No Personal Liability of Directors, Officers, Employees and
              Stockholders.

     No past, present or future director, officer, employee, incorporator or
stockholder of any Guarantor, as such, will have any liability for any
obligations of the Guarantors under the Notes, the Indenture, this Agreement or
for any claim based on, in respect of, or by reason of, such obligations or
their creation. Each Holder of Notes by accepting a Note waives and releases all

                                       7
<PAGE>
such liability. The waiver and release are part of the consideration for
issuance of the Notes. The waiver may not be effective to waive liabilities
under the federal securities laws.

Section 3.03  Governing Law.

     THE INTERNAL LAW OF THE STATE OF NEW YORK WILL GOVERN AND BE USED TO
CONSTRUE THIS AGREEMENT AND THE NOTE GUARANTEE WITHOUT GIVING EFFECT TO
APPLICABLE PRINCIPLES OF CONFLICTS OF LAW TO THE EXTENT THAT THE APPLICATION OF
THE LAWS OF ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY.

Section 3.04  No Adverse Interpretation of Other Agreements.

     This Agreement may not be used to interpret any other indenture, loan,
guarantee or debt agreement of the Company or its Subsidiaries or of any other
Person. Any such indenture, loan or debt agreement may not be used to interpret
this Agreement.

Section 3.05  Successors.

     All agreements of the New Guarantor in this Supplemental Agreement will
bind its successors, except as otherwise provided in Section 2.05 hereof. All
agreements of the Trustee in this Agreement will bind its successors.

Section 3.06  JURISDICTION.

     TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, THE NEW GUARANTOR
IRREVOCABLY AGREES THAT ANY LEGAL SUIT, ACTION OR PROCEEDING BROUGHT BY ANY
HOLDER OR BY ANY PERSON WHO CONTROLS SUCH HOLDER or the trustee on behalf of
such holder ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE TRANSACTIONS
CONTEMPLATED HEREBY MAY BE INSTITUTED IN ANY FEDERAL OR STATE COURT IN THE
BOROUGH OF MANHATTAN, THE CITY OF NEW YORK, NEW YORK, AND IRREVOCABLY WAIVES ANY
OBJECTION WHICH IT MAY NOW OR HEREAFTER HAVE TO THE LAYING OF THE VENUE OF ANY
SUCH SUIT, ACTION OR PROCEEDING AND ANY CLAIM THAT ANY SUCH PROCEEDING BROUGHT
IN SUCH A COURT HAS BEEN BROUGHT IN AN INCONVENIENT FORUM, AND IRREVOCABLY
SUBMITS TO THE NON-EXCLUSIVE JURISDICTION OF ANY SUCH COURT IN ANY SUCH SUIT,
ACTION OR PROCEEDING.

Section 3.07  Waiver of Immunity.

     To the extent that the New Guarantor has or hereafter may acquire any
immunity (sovereign or otherwise) from any legal action, suit or proceeding,
from jurisdiction of any court or from set-off or any legal process (whether
service or notice, attachment in aid or otherwise) with respect to itself or any
of its property, the New Guarantor hereby irrevocably waives and agrees not to
plead or claim such immunity in respect of its obligations under this Agreement.

                                       8
<PAGE>
Section 3.08  Process Agent.

     The New Guarantor has appointed CT Corporation System (the "PROCESS
AGENT"), as its agent to receive on its behalf service of copies of the summons
and complaints and any other process which may be served in any suit, action or
proceeding arising out of or relating to this Agreement or the transactions
contemplated hereby brought in such New York State or federal court sitting in
The City of New York. The New Guarantor further agrees to take any and all
action as may be necessary to maintain such designation and appointment of such
agent in full force and effect for a period of five years from the date of this
Agreement. Such service may be made by delivering a copy of such process to the
New Guarantor in care of the Process Agent at the address for the Process Agent
and obtaining a receipt therefor, and the New Guarantor hereby irrevocably
authorizes and directs such Process Agent to accept such service on its behalf.
The New Guarantor represents and warrants that the Process Agent has agreed to
act as said agent for service of process, and agrees that service of process in
such manner upon the Process Agent shall be deemed, to the fullest extent
permitted by applicable law, in every respect effective service of process upon
the New Guarantor in any such suit, action or proceeding.

Section 3.09  Severability.

     In case any provision in this Agreement is invalid, illegal or
unenforceable, the validity, legality and enforceability of the remaining
provisions will not in any way be affected or impaired thereby.

Section 3.10  Currency Indemnity.

     The U.S. dollar is the sole currency of account and payment for all sums
payable by the Guarantors in connection with the Notes. Any amount received or
recovered in a currency other than the U.S. dollar in respect of the Notes
(whether as a result of, or for the enforcement of, a judgment or order of a
court of any jurisdiction, in the winding-up or dissolution of a Guarantor or
otherwise) by the Trustee or any Holder in respect of any sum expressed to be
due to it from the Guarantors will constitute a discharge of the Guarantors only
to the extent of the U.S. dollar amount which the recipient is able to purchase
with the amount so received or recovered in that other currency on the date of
that receipt or recovery (or, if it is not possible to make that purchase on
that date, on the first date on which it is possible to do so). If that U.S.
dollar amount is less than the U.S. dollar amount expressed to be due to the
recipient under any Note, the Guarantors will indemnify the recipient against
any loss sustained by it as a result. In any event the Guarantors will indemnify
the recipient against the cost of making any such purchase.

     For the purposes of this Section 3.10, it will be sufficient for a Holder
or the Trustee to certify that it would have suffered a loss had an actual
purchase of U.S. dollars been made with the amount so received in that other
currency on the date of receipt or recovery (or, if a purchase of U.S. dollars
on such date had not been practicable, on the first date on which it would have
been practicable). These indemnities constitute a separate and independent
obligation from the other obligations of the Guarantors, will give rise to a
separate and independent cause of action, will apply irrespective of any waiver
granted by any Holder or the Trustee and will continue in full force and effect
despite any other judgment, order, claim or proof for a liquidated amount in
respect of any sum due under any Note or any other judgment or order.

                                       9
<PAGE>
Section 3.11  Currency Calculation.

     Except as otherwise expressly set forth herein, for purposes of determining
compliance with any U.S. dollar-denominated restriction herein, the U.S.
dollar-equivalent amount for purposes hereof that is denominated in a non-U.S.
dollar currency shall be calculated based on the relevant currency exchange rate
in effect on the date such non-U.S. dollar amount is incurred or made, as the
case may be.

Section 3.12  Counterpart Originals.

     The parties may sign any number of copies of this Agreement. Each signed
copy will be an original, but all of them together represent the same agreement.

Section 3.13  Headings, etc.

     The Headings of the Articles and Sections of this Agreement have been
inserted for convenience of reference only, are not to be considered a part of
this Agreement and will in no way modify or restrict any of the terms or
provisions hereof.

                         [Signatures on following pages]

                                       10
<PAGE>
     IN WITNESS WHEREOF, the parties hereto have duly executed this Supplemental
Subsidiary Guarantee Agreement as of the date first above written.


                                NEW GUARANTOR:
                                -------------


                                    STATS CHIPPAC TAIWAN CO., LTD.


                                    By /s/ Michael G. Potter
                                       -----------------------------------------
                                    Name:  Michael G. Potter
                                    Title: Authorized Signatory


                                OTHER GUARANTORS:
                                ----------------


                                    STATS CHIPPAC, INC.


                                    By /s/ Michael G. Potter
                                       -----------------------------------------
                                    Name:  Michael G. Potter
                                    Title: Vice President, Treasurer and
                                           Chief Financial Officer


                                    STATS CHIPPAC TEST SERVICES, INC.


                                    By /s/ Michael G. Potter
                                       -----------------------------------------
                                    Name:  Michael G. Potter
                                    Title: Authorized Signatory


                                    STATS HOLDINGS LIMITED


                                    By /s/ Michael G. Potter
                                       -----------------------------------------
                                    Name:  Michael G. Potter
                                    Title: Authorized Signatory


        [Signature Page to Supplemental Subsidiary Guarantee Agreement]
<PAGE>
                                    STATS CHIPPAC (BARBADOS) LTD.


                                    By /s/ Michael G. Potter
                                       -----------------------------------------
                                    Name:  Michael G. Potter
                                    Title: Authorized Signatory


                                    STATS CHIPPAC (BVI) LIMITED


                                    By /s/ Michael G. Potter
                                       -----------------------------------------
                                    Name:  Michael G. Potter
                                    Title: Authorized Signatory


                                    STATS CHIPPAC MALAYSIA SDN. BHD.


                                    By /s/ Michael G. Potter
                                       -----------------------------------------
                                    Name:  Michael G. Potter
                                    Title: Authorized Signatory


                                    CHIPPAC INTERNATIONAL COMPANY LIMITED


                                    By /s/ Michael G. Potter
                                       -----------------------------------------
                                    Name:  Michael G. Potter
                                    Title: Authorized Signatory


                                    CHIPPAC LUXEMBOURG S.A.R.L.


                                    By /s/ Michael G. Potter
                                       -----------------------------------------
                                    Name:  Michael G. Potter
                                    Title: Authorized Signatory


                                    CHIPPAC LIQUIDITY MANAGEMENT
                                    HUNGARY LIMITED LIABILITY COMPANY


                                    By /s/ Michael G. Potter
                                       -----------------------------------------
                                    Name:  Michael G. Potter
                                    Title: Managing Director


        [Signature Page to Supplemental Subsidiary Guarantee Agreement]
<PAGE>
                                    STATS CHIPPAC KOREA LTD.



                                    By /s/ Tan Lay Koon
                                       -----------------------------------------
                                    Name:  Tan Lay Koon
                                    Title: Director



                                TRUSTEE:
                                -------


                                    U.S. BANK NATIONAL ASSOCIATION


                                    By /s/ Raymond S. Haverstock
                                       -----------------------------------------
                                    Name:  Raymond S. Haverstock
                                    Title: Vice President


                                COMPANY:
                                -------


                                    STATS CHIPPAC LTD.


                                    By /s/ Michael G. Potter
                                       -----------------------------------------
                                    Name:  Michael G. Potter
                                    Title: Chief Financial Officer

        [Signature Page to Supplemental Subsidiary Guarantee Agreement]
<PAGE>

                                                                       EXHIBIT A

                          FORM OF NOTATION OF GUARANTEE

     For value received, the Guarantor named below (which term includes any
successor Person under the Agreement (as defined below)) has, jointly and
severally with each other Guarantor, unconditionally guaranteed, to the extent
set forth in the Subsidiary Guarantee Agreement dated as of November 18, 2004
(the "Original Agreement"), as amended and supplemented by the Supplemental
Subsidiary Guarantee Agreement dated as of February 21, 2006 (the "Supplemental
Agreement," and together with the Original Agreement, the "Agreement"), each
among STATS ChipPAC Ltd. (the "Company"), the Guarantors party thereto and U.S.
Bank National Association, as trustee (the "Trustee"), and subject to the
provisions in the Agreement, (a) the due and punctual payment of the principal
of, premium and Liquidated Damages, if any, and interest on, the Notes, whether
at maturity, by acceleration, redemption or otherwise, the due and punctual
payment of interest on overdue principal of and interest on the Notes, if any,
if lawful, and the due and punctual performance of all other obligations of the
Company to the Holders or the Trustee all in accordance with the terms of the
Indenture and the Agreement and (b) in case of any extension of time of payment
or renewal of any Notes or any of such other obligations, that the same will be
promptly paid in full when due or performed in accordance with the terms of the
extension or renewal, whether at stated maturity, by acceleration or otherwise.
The obligations of the Guarantors to the Holders of Notes and to the Trustee
pursuant to the Note Guarantee, the Indenture and the Agreement are expressly
set forth in Article 2 of the Agreement and reference is hereby made to the
Agreement for the precise terms of the Note Guarantee.

     Capitalized terms used but not defined herein have the meanings given to
them in the Agreement.


                                         STATS CHIPPAC TAIWAN CO., LTD.




                                         By:
                                            ------------------------------------
                                            Name:
                                            Title:


                                       A-1