Document:

<PAGE>
                                                                   Exhibit 10.25

                               SERVICE AGREEMENT

PARTIES:  ASE (U.S.) INC. ("ASE US")
          (a California corporation)
          ADVANCED SEMICONDUCTOR ENGINEERING, INC., ("ASE")
          (a Taiwan Corporation)

DATE:      August 1st, 2001

     ASE hereby retains ASE US to be its Service Agent to provide after sales
service and sales support ("Services") to its Europe and North America customers
("Customers") for present and future products and services as specified by ASE
as follows:

1.   SERVICE TO RENDERED

(a) To facilitate market information collection, Customer and business
    identification, and Customer inquiry dissemination, and;

(b) To liaise with ASE and Customers re price, delivery and other key terms of
    the sales contract as ASE may from time to time specify in writing, and;

(c) To monitor sales contract performance by the Customers, including acceptance
    of delivery, payments, etc., and;

(d) To provide after sales services including problem solving, capacity planning
    coordination and other items as may be necessary.

2.   COMPENSATION TO ASE US

     For services hereunder, ASE will monthly compensate ASE US as follows:

(a) 52.5% of ASE US's monthly incurred services associated cost and expenses
    (excluding bonus) plus 5% or USD 606,375 whichever is lower.

(b) Upon payment request, ASE US is to submit detailed monthly expense report
    certified by its Financial Manager for accuracy, and;

(c) The compensation agreement is valid for one year and is subject to quarterly
    revision accepted by both parties.

3.   COMPENSATION FROM ASE US

     ASE US agrees to pay a reasonable portion of ASE employee's traveling
expenses incurred in the United States or Europe, when the trip is deemed
necessary by ASE to assist ASE US in providing its services hereunder.

4.   TERM OF AGREEMENT

     This Agreement is effective from August 1, 2001 and shall expire on July
31, 2002, unless earlier terminated by (i) mutual agreement or (ii) ASE on at
least 30 days' prior written notice with or without causes.

5.   REPRESENTATIONS AND COVENANTS

(a) ASE US agrees to perform its obligations hereunder to the extent permissible
    by law and the sales contracts between ASE and the Customers.

    ASE US will not enter into any contract or agreement, nor engage in any
    activities, that would result in a conflict with ASE US's duties under this
    Agreement.
<PAGE>

    With the terms of this agreement, ASE US shall not have the authority to
    make any commitments whatsoever on behalf of ASE, as agent or otherwise, or
    to bind ASE in any respect.

(b) Each party will provide to the other on a regular basis such information as
    may be required to enable the other party to be assured of compliance with
    this Agreement.

(c) Unless required by laws, all confidential information received or learned by
    ASE US relating to ASE or its business and products shall be kept in
    confidence by ASE US and neither used by ASE US nor disclosed to others for
    any purpose inconsistent with this Agreement.

(d) ASE US shall use ASE trademark only as ASE may authorize from time to time,
    and ASE US shall not claim any proprietary right to or interest in such
    trademarks.

6.   MISCELLANEOUS

     This Agreement shall be governed by the laws of the Republic of China
("ROC"). In case of any disputes arising from or in connection with this
Agreement, the parties hereto consent to submit to the non-exclusive
jurisdiction of the Taipei District Court.

     Without the prior written consent of ASE, ASE US shall not assign or
transfer any of its rights or obligations hereunder to any other person.

     This Agreement can be amended or modified only in writing signed by the
parties hereto. Any communication or notice made hereunder shall be in writing
and sent by way of (i) hand delivery, (ii) postage prepaid registered air mail,
or (iii) facsimile to the address as follows:

<Table>
<S>                                                       <C>
ASE US:                                                   ASE Inc.:
Address:                                                  Address:
2880 Zanker Road, Suite 106,                              26, Chin 3(rd) Rd Nantze EPZ,
San Jose, CA 95134, USA                                   Kaohsiung, Taiwan, R.O.C.
Telefax No: 408-432-0440                                  Telefax No: 886-7-361-3094
</Table>

     The notice or communication shall become effective (i) upon delivery if
sent by hand delivery, (ii) upon the dispatch if sent by facsimile and confirmed
by writing and (iii) upon the fifth days later than the post date if sent by air
mail.

     This Agreement shall in no event be construed to establish a sales agency
relationship between ASE and ASE US.

     IN WITNESS WHEREOF, the parties hereto hereby have duly executed and
delivered this Agreement as of the date and year first written above.

<Table>
<S>                                                       <C>
ASE Inc.                                                  ASE US

By: /s/ K. J. CHIN                                        By: /s/ Y.C. HSU
                                                          -------------------------------------------------
-------------------------------------------------         Name: Y.C. Hsu
Name: K. J. Chin                                          Title: Director
Title: General Manager/EVP
</Table><PAGE>
                                                                   Exhibit 10.26

                              COMMISSION AGREEMENT

PARTIES:  GARDEX INTERNATIONAL LIMITED ("GARDEX")
          (a British Virgin Islands Corporation)
          ASE Electronics (M) Sdn Bhd. ("ASEM")
          (a Malaysia Corporation)

DATE:      August 1, 2001

                                   AGREEMENT

1.   SERVICES TO BE RENDERED.  ASEM hereby retains GARDEX to provide the sales
     services to ASEM as a Sales Agency with the following terms.

     To be non-exclusive world-wide sales agent for all present and future
     products and services to be specified by ASEM in writing with the following
     authority:

(a) Identify customers for ASEM products and services;

(b) Within such limitations relating to price, delivery and other key terms as
    ASEM may from time to time specify in writing, and subject to acceptance by
    ASEM (by telex or otherwise) negotiate sales contracts as ASEM's agent;

(c) Monitor contract performance by the customer, including acceptance of
    delivery, payment, etc.

2.   COMPENSATION TO GARDEX.  For services hereundered, ASEM shall pay monthly
     compensation to GARDEX in respect of net export sales (outside of
     Malaysia). The compensation amount is 0.56% of the total monthly export
     sales.

     The above scheme of compensation payment is applicable from August 1, 2001
to July 31, 2002. Compensation payment thereafter is subject to further
negotiation on a yearly basis between ASEM and GARDEX.

     All payments to GARDEX shall be in US dollars. Currency conversions, where
necessary, shall be based on prevailing free-market rates of the time the
payment is earned (not at the time of payment) as quoted in the Wall Street
Journal or other authoritative source.

3.   TERM OF AGREEMENT.  This agreement is effective from August 1, 2001 and
     shall expire on July 31, 2002 unless earlier terminated by (i) mutual
     agreement, or (ii) ASEM on at least 30 days' prior written notice with or
     without cause. Neither expiration nor termination of this Agreement shall
     terminate the obligation of ASE Test to pay GARDEX for services rendered
     with respect to sales following such date that result from orders received
     prior to such date.

4.   REPRESENTATIVE AND COVENANTS

(a) GARDEX agree to use its best efforts to perform its obligations hereunder
    and to give priority to ASEM over all other customers of GARDEX in terms of
    management time, and efforts. GARDEX will not enter into any management
    consulting, sales, agency or similar relationship, nor engage in activities,
    that would result in a conflict with GARDEX's duties under this Agreement.

(b) Each party will provide to the other on a regular basis such documentation
    as may reasonably be required to enable the other party to be assured of
    compliance with this Agreement, and shall permit the other party to inspect
    its books of account and other records at such a reasonable times as the
    other party may request.
<PAGE>

(c) All confidential information received or learned by GARDEX relating to
    ASEM's business and products shall be kept in confidence by GARDEX and
    neither used by GARDEX nor disclosed to any other person for any purpose
    outside this Agreement.

5.   GOVERNING LAW AND JURISDICTION.  This Agreement shall be governed and
     construed under the laws of Republic of China unless the parties agree in
     writing to voluntary arbitration. The Courts in the Republic of China shall
     have exclusive jurisdiction to hear and decide any case or controversy
     arising out of this Agreement.

     Each party consents to in person jurisdiction over it by such courts and to
service of process by registered mail sent to its principal business address.

                                          ASE Electronics (M) Sdn Bhd.

                                          By:   /s/ KANAPATHI KUPPUSAMY
                                            ------------------------------------

                                          GARDEX INTERNATIONAL LIMITED

                                          By:     /s/ PHILIP NICHOLLS
                                            ------------------------------------<PAGE>
                                                                   Exhibit 10.27

                              COMMISSION AGREEMENT

PARTIES:  GARDEX INTERNATIONAL LIMITED ("GARDEX")
          (A British Virgin Islands Corporation)
          ASE Test Inc. ("ASE Test")
          (A Taiwan Corporation)

DATE:      August 1, 2001

                                   AGREEMENT

1.   SERVICES TO BE RENDERED.  ASE Test hereby retains GARDEX to provide the
     sales services to ASE Test as a Sales Agency with the following terms.

     To be non-exclusive world-wide sales agent for all present and future
     products and services to be specified by ASE Test in writing with the
     following authority:

(a) Identify customers for ASE Test products and services;

(b) Within such limitations relating to price, delivery and other key terms as
    ASE Test may from time to time specify in writing, and subject to acceptance
    by ASE Test (by telex or otherwise) negotiate sales contracts as ASE Test's
    agent;

(c) Monitor contract performance by the customer, including acceptance of
    delivery, payment, etc.

2.   COMPENSATION TO GARDEX.  For services hereundered, ASE Test shall pay
     monthly compensation to GARDEX in respect of net export sales (outside of
     Taiwan), the compensation amount is 0.56% of the total monthly export
     sales.

     The above scheme of compensation payment is applicable from August 1, 2001
to July 31, 2002. Compensation payment thereafter is subject to further
negotiation on a yearly basis between ASE Test and GARDEX.

     All payments to GARDEX shall be in US dollars. Currency conversions, where
necessary, shall be based on prevailing free-market rates of the time the
payment is earned (not at the time of payment) as quoted in the Wall Street
Journal or other authoritative source.

3.   TERM OF AGREEMENT.  This agreement is effective from August 1, 2001 and
     shall expire on July 31, 2002 unless earlier terminated by (i) mutual
     agreement, or (ii) ASE Test on at least 30 days' prior written notice with
     or without cause. Neither expiration nor termination of this Agreement
     shall terminate the obligation of ASE Test to pay GARDEX for services
     rendered with respect to sales following such date that result from orders
     received prior to such date.

4.   REPRESENTATIVE AND COVENANTS

(a) GARDEX agree to use its best efforts to perform its obligations hereunder
    and to give priority to ASE Test over all other customers of GARDEX in terms
    of management time, and efforts. GARDEX will not enter into any management
    consulting, sales, agency or similar relationship, nor engage in activities,
    that would result in a conflict with GARDEX's duties under this Agreement.

(b) Each party will provide to the other on a regular basis such documentation
    as may reasonably be required to enable the other party to be assured of
    compliance with this Agreement, and shall permit the other party to inspect
    its books of account and other records at such a reasonable times as the
    other party may request.
<PAGE>

(c) All confidential information received or learned by GARDEX relating to ASE
    Test's business and products shall be kept in confidence by GARDEX and
    neither used by GARDEX nor disclosed to any other person for any purpose
    outside this Agreement.

5.   GOVERNING LAW AND JURISDICTION.  This Agreement shall be governed and
     construed under the laws of Republic of China unless the parties agree in
     writing to voluntary arbitration. The Courts in the Republic of China shall
     have exclusive jurisdiction to hear and decide any case or controversy
     arising out of this Agreement.

     Each party consents to in person jurisdiction over it by such courts and to
service of process by registered mail sent to its principal business address.

                                          ASE Test Inc.

                                          By:        /s/ RAYMOND LO
                                            ------------------------------------

                                          GARDEX INTERNATIONAL LIMITED

                                          By:     /s/ PHILIP NICHOLLS
                                            ------------------------------------

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00039-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00039-of-00352.parquet"}], [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00039-of-00352.parquet"}]]