Document:

<PAGE>
                                                                    EXHIBIT 4.10

                               FIRST AMENDMENT TO
                 CONTRACT ON PROCUREMENT OF TELKOM-2 SATELLITE
                                    BETWEEN
                       PT. TELEKOMUNIKASI INDONESIA, TBK
                                      AND
                          ORBITAL SCIENCES CORPORATION

                            DATED: 15 DECEMBER 2003
<PAGE>
                               FIRST AMENDMENT TO
                 CONTRACT ON PROCUREMENT OF TELKOM-2 SATELLITE
                                    BETWEEN
                       PT. TELEKOMUNIKASI INDONESIA, TBK.
                                      AND
                          ORBITAL SCIENCES CORPORATION

--------------------------------------------------------------------------------
                       NO.: K. TEL 260/HK.820/UTA-00/2003

On this day, Monday dated Fifteen month December of year 2003, by and between:

I.   Perusahaan Perseroan PT. Telekomunikasi Indonesia, Tbk., a
     telecommunication services and network provider established and
     incorporated under the Law of the Republic of Indonesia, having its
     registered office at Jalan Japati Number 1 Bandung - 40133, in this
     Amendment duly represented by KRISTIONO, in his capacity as the President
     Director and CEO, hereinafter referred to as TELKOM;

II.  Orbital Sciences Corporation, established and operated under the Laws of
     the State of Delaware, United States of America, having its office at 21839
     Atlantic Boulevard, Dulles, Virginia, United States of America, in this
     Amendment duly represented by Dr. ALI E. ATIA, in his capacity as the
     President Communications International, hereinafter referred to as
     CONTRACTOR.

TELKOM and CONTRACTOR hereinafter referred to collectively as the "Parties" and
individually as the "Party".

By first taking into consideration the following matters:

WITNESSETH:

a.   Whereas TELKOM and CONTRACTOR have signed the Contract on Procurement of
     TELKOM-2 Satellite No. K.TEL.191/HK.810/UTA-00/2002 dated 24 October 2002,
     hereinafter referred to as the "Contract";

b.   Whereas Article 37.7 Option 3, Burn in Test, defines TELKOM reserves the
     right to exercise burn in test at 750 hours or 1000 hours;

c.   Whereas CONTRACTOR have agreed to TELKOM's letter No.
     Tel.196/TK230/DLD-80/2003 dated 28 August 2003 regarding agreement as
     follows:

     1)   Exclusion of two (2) TWTs that already at the next higher assemblies.

     2)   Reduction of contractual price of burn in option of 750 hours from
          US$150,000.00 to US$140,322.60 to compensate for a lesser amount of
          TWTs to be subjected to additional burn in hours.

     3)   The exercise of Option 3, 750 hour burn in time will not impact the
          current contractual delivery of the spacecraft to the launch site on
          October 31, 2004 and that two (2) weeks grace period will be applied
          to the onset of Liquidated Damages of the Contract.

                                       1
<PAGE>
d.   Whereas based on the Minutes of Meeting Telkom-2 Quarterly Program
     Management Review (QPMR) dated 2 October 2003, CONTRACTOR and TELKOM have
     agreed the payment for the 750 hour burn in test event will be set to an
     additional payment milestone in June, 2004.

NOW THEREFORE, in consideration of the foregoing and mutual benefit to be
derived and for other good and valid consideration, the receipt and sufficiency
of which are hereby acknowledged, the Parties agree to make First Amendment to
the Contract, hereinafter referred to as "Amendment", by the following terms
and conditions:

                                   ARTICLE 1
                                  BURN IN TEST

(1)  The Parties agree since the signing of this Amendment, the Article 37.7 of
     the Contract, OPTION 3 Burn in Test shall be null and void.

(2)  The Parties agree to add one (1) Article to the Contract, as follows:

     Article 40, Burn in Test

     The Contractor shall implement a burn in test of 750 hours at TWT level in
     accordance with the Contract, Appendix E, SATELLITE TEST PLAN, Section 3.2,
     UNIT MECHANICAL ENVIRONTMENTS, THERMAL CYCLE AND THERMAL VACUUM CYCLE
     REQUIREMENTS.

                                   ARTICLE 2
                               PRICE AND PAYMENT

(1)  The Parties agree to amend the first sentence of Article 3.1, Price, of
     the Contract, as originally stated below:
     "The total firm fixed price of this Contract is SEVENTY THREE MILLION
     UNITED STATES DOLLARS (US$73,000,000) but it is inclusive of the amount
     subject to refund as described in Article 30, REFUND PROVISIONS."

     to become and shall be read as follows:
     "The total firm fixed price of this Contract is SEVENTY THREE MILLION
     ONE HUNDRED AND FOURTY THOUSAND THREE HUNDRED AND TWENTY TWO UNITED STATES
     DOLLARS (US$73,140,322) but it is inclusive of the amount
     subject to refund as described in Article 30, REFUND PROVISIONS."

(2)  The Parties agree to amend Article 3.1.1, FIRST PART, of the Contract as
     originally stated below:
     "Firm Fixed Price for the Satellite TELKOM-2 Satellite is SIXTY ONE MILLION
     NINE HUNDRED SEVENTY FIVE THOUSAND FIVE HUNDRED AND NINETY THREE UNITED
     STATES DOLLARS (US$61,975,593). This price shall include the Internship
     Program for TELKOM's personnel."

     to become and shall be read as follows:
     "Firm Fixed Price for the Satellite TELKOM-2 Satellite is SIXTY TWO MILLION
     ONE HUNDRED AND FIFTEEN THOUSAND NINE HUNDRED AND FIFTEEN UNITED STATES
     DOLLARS (US$62,115,915). This price shall include the Internship Program
     for TELKOM's personnel."

                                       2
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                                   ARTICLE 3
                         ADJUSTMENTS FOR LATE DELIVERY

The Parties agree to amend Article 25.2 of the Contract as originally stated
below:
"The liquidated damages shall be specified in the event that the TELKOM-2
Spacecraft is not delivered on the date specified in Article 2, SCOPE OF WORK,
paragraph 2.2.1 as extended by the number of days of excusable delays that the
Contractor is entitled to in accordance with Article 12, EXCUSABLE DELAY, the
price as per Article 3 PRICE AND PAYMENTS paragraph 3.1 shall be reduced by
FIVE THOUSAND UNITED STATES DOLLARS (US$5,000) per day for the first THIRTY
(30) days and for days THIRTY ONE TO ONE HUNDRED AND TWENTY (31-120) days, an
amount of TWENTY THOUSAND FIVE HUNDRED AND FIFTY SIX UNITED STATES DOLLARS
(US$20,556.00) per day."

to become and shall be read as follows:
"The liquidated damages shall be specified in the event that the TELKOM-2
Spacecraft is not delivered to the date specified in Article 2, SCOPE OF WORK,
paragraph 2.2.1 plus two (2) weeks (in recognition of Contract Option 3 750
hour burn in time authorization), as extended by the number of days of excusable
delays that the Contractor is entitled to in accordance with Article 12,
EXCUSABLE DELAY, the price as per Article 3 PRICE AND PAYMENTS paragraph 3.1
shall be reduced by FIVE THOUSAND UNITED STATES DOLLARS (US$5,000) per day for
the first THIRTY (30) days and for days THIRTY ONE TO ONE HUNDRED AND TWENTY
(31-120) days, an amount of TWENTY THOUSAND FIVE HUNDRED AND FIFTY SIX UNITED
STATES DOLLARS (US$20,556.00) per day."

                                   ARTICLE 4
                           PAYMENT MILESTONE SCHEDULE

The Parties agree to amend Appendix M Payment Milestone Schedule of the
Contract and shall be stated in Annex 1 of this Amendment.

                                   ARTICLE 5
                                 MISCELLANEOUS

(1)  All terms and conditions as stipulated in the Contract, except as
     expressly amended in accordance with the provisions of this Amendment,
     shall remain valid in full force.

(2)  This Amendment is made in two (2) original copies, one (1) Original shall
     be held by TELKOM and the other original shall be held by the CONTRACTOR,
     having the same content and equally legal power after being executed by the
     Parties.

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IN WITNESS WHEREOF, the Parties have caused their legally authorized
representative to execute. This Amendment effective as of the date and year set
forth above.

PT. Telekomunikasi Indonesia, Tbk           ORBITAL Sciences Corporation

                                            [STAMP DUTY]

/s/ KRISTIONO                               /s/ DR. ALI E. ATIA
---------------------------------           ----------------------------

By    : KRISTIONO                           By    : DR. ALI E. ATIA

Title : President Director & CEO            Title : President

Date  : 15 December 2003                    Date  : 15 December 2003
        -------------------------                   --------------------

                                       4<PAGE>
                                                                    EXHIBIT 4.22

                           CO-OPERATION AGREEMENT ON
                         FIXED WIRELESS CDMA FACILITIES
                       CONSTRUCTION IN KSO DIVRE VII AREA

 ------------------------------------------------------------------------------
                         NO. PKS. 08/HK810/UTA-00/2003

                                14 JANUARY 2003

                                    BETWEEN

                         PERUSAHAAN PERSEROAN (PERSERO)
                       PT. TELEKOMUNIKASI INDONESIA, TBK.

                                      AND

                        PT. BUKAKA SINGTEL INTERNATIONAL
<PAGE>

                             CO-OPERATION AGREEMENT
                        ON FIXED WIRELESS CDMA FACILITIES
                                  CONSTRUCTION
                              IN KSO DIVRE VII AREA
                                     BETWEEN
                         PERUSAHAAN PERSEROAN (PERSERO)
                        PT TELEKOMUNIKASI INDONESIA, TBK.
                                       AND
                         PT BUKAKA SINGTEL INTERNATIONAL

                          NO: PKS, 08/HK810/UTA-00/2003

On this day, Tuesday, date of 14th, month of January, year of 2003, taking place
in Jakarta, by and between the following parties:

I.    PERUSAHAAN PERSEROAN (PERSERO) PT TELEKOMUNIKASI INDONESIA, Tbk., a
      company providing telecommunications services and networks which was
      incorporated and existing under the laws of the Republic of Indonesia,
      domiciled at JI. Japati No. 1, Bandung, In this matter legally represented
      by KRISTIONO, President Director, hereinafter shall be referred to as
      "TELKOM";

II.   PT BUKAKA SINGTEL INTERNATIONAL, a company which was incorporated by
      virtue of Deed No. 152 of Notary B.R.A. Mahyastoeti, S.H., in Jakarta,
      dated 17 October 1995, which Deed has been approved by the Decree of
      Minister of Justice No. C2-13.202.HT.01.01.TH.95 dated 18 October 1995,
      domiciled at Gedung Bank Panin, 3rd Fl, Jalan Dr. Sam Ratulangi No. 20,
      Makassar 90125, in this matter legally represented by NG JIN HIOK,
      President Director, hereinafter shall be referred to as "BSI".

TELKOM and BSI shall individually be referred to as a "PARTY", and collectively
as "THE PARTIES".

RECITALS:

A.    Whereas TELKOM and BSI have entered into and signed KSO AGREEMENT No.
      PKS.225/HK.810/UTA-00/95 dated 20 October 1995 (hereinafter shall be
      referred to as the "KSO AGREEMENT") to develop an operational co-operation
      partnership within the KSO Area (as defined in the KSO AGREEMENT) in
      accordance with the prevailing laws and regulations;

                                       I
<PAGE>

B.    Whereas BSI's obligations to design, plan, engineer, fund and construct
      the Minimum New Facilities/Network (hereinafter shall be referred to as
      "MNI") during the KSO Construction Period, as set forth in the KSO
      AGREEMENT and in the Memorandum of Understanding on the Amendment to the
      KSO AGREEMENT dated 5 June 1998, have been completed;

C.    Whereas on 30 May 2002 BSI and TELKOM have met to discuss the MOU and the
      Business Plan of the CDMA Construction in Bali, as evident in the Minutes
      of Meeting Inserted in Attachment I of THIS AGREEMENT;

D.    Whereas on 11 June 2002 BSI and TELKOM signed a Memorandum of
      Understanding (MOU) for the construction of Fixed Wireless CDMA facilities
      within the DIVRE VII area, as indicated in Attachment II of THIS
      AGREEMENT;

E     Whereas TELKOM and BSI have met to discuss the construction plan of the
      Fixed Wireless CDMA facilities on 16 and 17 December 2002 in Jakarta, as
      evident in the minutes of meeting inserted in Attachment IV of THIS
      AGREEMENT;

F.    Whereas pursuant to the letter of the Directorate General of Post And
      Telecommunications No. 1264/DITTEL/KSTN/20 dated 31 May 2001 on Domestic
      Telephone And Birofax Services Tariffs Adjustments of the Year 2001,
      TELKOM is required by the Indonesian Government to construct ADDITIONAL
      NEW INSTALLATION/NETWORK of 1.2 million Access Line Units (SST) up to the
      year 2004. For that matter, TELKOM, through the letter of TELKOM's
      President Director No. Tel 163/KU00/PI.KSO-03/01 dated 19 November 2001 on
      the New Investments, has offered BSI to execute construction of such
      ADDITIONAL NEW FACILITIES/NETWORK of as many as 165,982 Access Line Units
      (SST) up to the year 2004;

G.    Whereas TELKOM and BSI have agreed that TELKOM through DIVFW will serve as
      the investor to conduct the Fixed Wireless CDMA facilities construction of
      146,700 Line Units (SST) within the cities of Denpasar, Makasar, Manado,
      Kupang, Mataram, and their environs within the same area code with the
      detail as provided in Attachment III of THIS AGREEMENT (hereinafter shall
      be referred to

                                       2
<PAGE>

      as "LOCATION"). In order to achieve the total capacity of 146.700 SST, it
      is enabled to relocate intercities to fulfill the demands of the above
      cities as agreed by THE PARTIES,

After considering all the above premises, THE PARTIES have agreed to bind one
another Into this Co-Operation Agreement on Fixed Wireless CDMA Facilities
Construction in KSO DIVRE VII Area (hereinafter shall be referred to as "THIS
AGREEMENT") based on the terms and conditions as stipulated in the following
Articles:

                                    ARTICLE 1
                                   DEFINITIONS

In THIS AGREEMENT, unless otherwise provided in the relevant Articles of THIS
AGREEMENT or unless the context otherwise requires, THE PARTIES have agreed that
the following terms shall have the meaning as given below:

      1.    PROJECT shall mean the activities of planning, designing,
            engineering, financing, procuring, constructing, commissioning and
            acceptance testing of telecommunication facilities at the Location
            which will be implemented by TELKOM for the construction of Fixed
            Wireless CDMA facilities including the supporting facilities and
            which are to be integrated into EXISTING NETWORKS, so as to be
            technically and commercially operable with the scope of work of
            construction as contemplated in Article 3 of THIS AGREEMENT;

      2.    NEW FACILITIES shall mean the 146,700 Line Units (SST) of Fixed
            Wireless CDMA facilities including the supporting facilities to be
            constructed under this PROJECT;

      3.    INVESTMENT COST shall mean all the cost incurred by DIVFW or the
            substitute investor in the implementation of this PROJECT including,
            but not limited to, the costs for field supervising, acceptance
            test, training, and all taxes in accordance with the prevailing laws
            and regulations, excluding tax on luxury goods and 10% VAT;

      4.    DIRECT COST shall mean the Amount of the SEPARATED BODP, kiosk
            phone commission fee, cost and sales commission fee of prepaid cards
            (including printing) as well as post-paid, Operator Licence Fee
            (BHP) Telecommunication service, radio frequency usage fee,
            interconnection fee to other

                                       3
<PAGE>

      operators (specifically for interconnection to DIVNET shall be borne to
      DIVFW), any other expenses payable to third parties (such as JAPATI,
      Telkomnet Instan);

5.    DIVFW shall mean a Division as provided in the Decision of Board of
      Directors number KD.55/PS150/PRORES-00/2002 dated 30 September 2002 on the
      Establishment of the Fixed Wireless Division which represents TELKOM as
      the investor and developer of the PROJECT in the implementation of THIS
      AGREEMENT;

6.    KSO UNIT shall mean the definition as provided in the KSO AGREEMENT number
      PKS.224/HK.810/UTA-00/95 dated 20 October 1995;

7.    PARTNER shall mean the consortium as Technology Supplier which has signed
      Master Procurement Partnership Agreement (MPPA) with TELKOM and has
      responsibility to manufacture, deliver, install, commission and support
      the operation and maintenance of Fixed Wireless CDMA's Project:

8.    REVENUES shall mean all revenues from new subscription, incoming
      interconnection from other operators (IDD, mobile and others so long as
      those can be processed), revenues from usage of prepaid cards sold,
      revenues from penalties and revenues from collection of L11 from the
      operation of the NEW FACILITIES. The L11 revenues shall include:

      a.    Subscription Fee;

      b.    Usage Revenue from local PSTN, SLJJ PSTN, JAPATI and TELKOMNET
            Instan;

      c.    Revenues from Outgoing Interconnection to other operators (for IDD,
            mobile, etc.);

      d.    Revenues from added value services which are included in the
            business plan.

9.    NET REVENUES shall mean REVENUES less DIRECT COSTS;

10.   IRR (INTERNAL RATE OF RETURN) shall mean the rate of investment returns
      calculated from operating net cash flow (net income is added by the
      depreciation and less INVESTMENT COST);

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<PAGE>
11.   Fixed Wireless LINE UNITS (in short, SST ) shall mean a unit of
      telecommunication system which includes MSC (Mobile Switching Center),
      BSC (Base Station Controller), BTS (Base Transceiver Station),
      Transmission, all other equipment required, and all other supporting
      facilities and building in order to enable Subscriber to use Fixed
      Wireless CDMA services after such subscribers have owned the necessary
      Fixed Wireless CDMA terminals;

12.   NUMBER OF SUBSCRIBERS shall mean the number of Fixed Wireless Line Units
      (SST) which have been connected (connected line);

13.   AVERAGE NUMBER OF SUBSCRIBERS shall mean the NUMBER OF SUBSCRIBERS as at
      the month's beginning which is added by the NUMBER OF SUBSCRIBERS as at
      the month's end and then divided by two;

14.   EXISTING NETWORKS shall mean such networks which are already in place
      consisting of those owned by TELKOM and those constructed by BSI which are
      KSO system in accordance with the KSO AGREEMENT;

15.   BAUT (RESULTS OF ACCEPTANCE TEST) shall mean the results of acceptance
      test duly signed by the Acceptance Test Team which represents TELKOM and
      PARTNER;

16.   ISATC (Integrated System Acceptance Test Certificate) shall mean a
      certificate which is issued and signed by TELKOM and PARTNER which states
      that the constructed equipment has fulfilled and passed the acceptance
      test requirements based on the results of BAUT;

17.   BASTP (CERTIFICATE OF OPERATION ACCEPTANCE) shall mean a certificate which
      is signed by THE PARTIES and KSO UNIT which states that the NEW FACILITIES
      which has been constructed is fit to operate based on ISATC;

18.   BODP (Operation and Maintenance Expenses) shall mean all such expenses
      directly adding to the costs of management, operation and maintenance of
      the NEW FACILITIES (BTS equipments, Transmission and the supporting
      facilities, not including lease expenses of Regional link E1), marketing
      expenses, service fee and collection fee, and general and

                                       5
<PAGE>

administration expenses incurred to support operation of the whole NEW
FACILITIES constructed under THIS AGREEMENT;

19.  DESIGNATED BODP shall mean an amount of IDR 130,000 per year per
     Subscriber Unit with scope of work as contemplated in Paragraph (18) of
     this Article;

20.  Total DESIGNATED BODP Payable shall mean the result of AVERAGE NUMBER OF
     SUBSCRIBERS multiplied by DESIGNATED BODP which is transferred by DIVFW to
     an account to be opened by and under the name of the KSO UNIT and
     authorization for withdrawals shall come from THE PARTIES (the "BODP Escrow
     Account") monthly;

21.  SEPARATED BODP shall mean the BODP which is taken from the REVENUES as the
     substitution for the DESIGNATED BODP and having the same amount with the
     DESIGNATED BODP;

22.  KANDATEL shall mean the KANDATEL within KSO DIVRE VII AREA which is
     structurally under the KSO UNIT;

23.  NET REVENUES SHARE shall mean the respective share of TELKOM, BSI and DIVFW
     expressed as a percentage in the NET REVENUES pursuant to Article 9
     paragraph (1) and (2) of THIS AGREEMENT;

24.  KSO CONSTRUCTION AGREEMENT shall mean the KSO construction agreement
     between TELKOM and BSI dated 20 October 1995.

Other capitalized terms not otherwise specifically defined in THIS AGREEMENT
shall have the same meaning as given to them under the KSO AGREEMENT.

                                    ARTICLE 2
                           DURATION OF THIS AGREEMENT

THIS AGREEMENT shall take effect from the date of its signing by TELKOM and BSI
and shall expire on 31 December 2010.

                                    ARTICLE 3
                         SCOPE OF WORK OF CONSTRUCTION

(1)  The Scope of work of the PROJECT Construction to be delivered by TELKOM
     through DIVFW includes the activities of planning, designing, engineering,
     financing,

                                       6

<PAGE>

     procuring, constructing, commissioning and acceptance testing of 146,700
     Line Units (SST) of telecommunication facilities consisting of NEW
     FACILITIES, based on Basic Design and Detailed Design, including MSC
     (Mobile Switching Center), BSC (Based Station Controller), BTS (Base
     Transceiver Station), Transmission, billing system, and all other
     supporting facilities at the LOCATION and to be integrated into EXISTING
     NETWORKS, so as to be technically and commercially operable with the detail
     as provided in Attachment III.

(2)  TELKOM and BSI agree, that in the construction of the Fixed Wireless CDMA
     Facilities under THIS AGREEMENT, DIVFW is to serve as investor and
     executor of the PROJECT's construction.

(3)  TELKOM and BSI agree to cooperate and execute the PROJECT in good faith in
     accordance with the terms and conditions contained in THIS AGREEMENT.

(4)  If TELKOM through DIVFW has not done its construction obligations under
     THIS AGREEMENT, TELKOM shall have the right to appoint a substitute
     Investor and that all the expenses incurred during such substitution are to
     be borne by TELKOM, If TELKOM fails to appoint a substitute investor within
     3 (three) months, THE PARTIES agree to negotiate in good faith in the
     interest of BSI's right in order to find any solution of fulfillment of the
     telephone demand in the LOCATION.

5.   THE PARTIES agree that if the total construction capacity and the NUMBER OF
     SUBSCRIBERS in KSO UNIT as contemplated in Article 3 paragraph (1) and
     Attachment III of THIS AGREEMENT has been achieved BSI will be given the
     first opportunity to contribute in increasing capacity Investment with the
     cooperation scheme which will be the discussed separately.

6.   THE PARTIES agree that the construction outside the LOCATION
     as contemplated in Article 3 paragraph (1) and Attachment III of THIS
     AGREEMENT, BSI can conduct investment of Fixed Wireless CDMA
     telecommunication facilities construction with the BOT scheme in accordance
     with KD No. 60/HK 220/TEK-10/2002 as attached in Attachment VI of THE
     AGREEMENT.

                                       7
<PAGE>

                                   ARTICLE 4
                     RIGHTS AND OBLIGATIONS OF THE PARTIES

(1)   BSI's Rights and Obligations:

      a.    BSI's right is to receive its NET REVENUES SHARE from the operation
            of the NEW FACILITIES in accordance with Article 9 of THIS
            AGREEMENT;

      b.    BSI's obligation through KSO UNIT is to manage, operate and maintain
            the NEW FACILITIES (BTS equipment, Transmission and supporting
            facilities), market, provide services and execute subscription
            collection and to bear general and administration expenses in
            accordance with THIS AGREEMENT and the KSO AGREEMENT; subject to the
            provision that receipts and distribution of REVENUES and BODP
            payment must be in accordance with the terms of THIS AGREEMENT.

(2)   TELKOM's Rights and Obligations:

      a.    TELKOM's right is to receive its NET REVENUES SHARE from the
            operation of the NEW FACILITIES in accordance with Article 9 of THIS
            AGREEMENT;

      b.    TELKOM's obligation is to execute the construction of Fixed Wireless
            telecommunication facilities in accordance with the scope of work as
            provided in Article 3 of THIS AGREEMENT and execute the operation
            and maintenance of MSC, BSC, billing system and the supporting
            facilities.

                                   ARTICLE 5
                              CONSTRUCTION PERIOD

(1)   The construction period of the NEW FACILITIES must be completed at the
      latest within 42 (forty-two) months after the signing of THIS AGREEMENT.

(2)   The construction will be declared complete if the Acceptance Test has been
      conducted with a good result by the Acceptance Test Team of TELKOM and
      PARTNER in which the RESULTS OF ACCEPTANCE TEST (BAUT) is signed by TELKOM
      and the PARTNER. Based on the relevant BAUT TELKOM will issue ISATC which
      is signed by TELKOM and PARTNER stating

                                       8
<PAGE>
      that the equipment which is constructed by the PARTNER has passed the
      Acceptance Test.

(3)   Based on the relevant ISATC, TELKOM will then surrender the BASTP of the
      BTS Sub-system to BSI and KSO UNIT at the latest 7 days after the ISATC is
      signed by TELKOM and PARTNER. BSI and KSO UNIT shall then cosign the BASTP
      within 7 days after the receipt of the relevant BASTP.

                                    ARTICLE 6

                        EXTENSION OF CONSTRUCTION PERIOD

The construction period of the telecommunication facilities as specified above
in Article 5 paragraph (1) of THIS AGREEMENT may be extended in the occurrence
of any of the following events (such that the time extension given shall be the
same as the time lost caused by such events):

a.    Material alterations are requested by THE PARTIES to the system
      configurations or any material changes to the design of the
      telecommunication facilities;

b.    Written request is given by and agreed by THE PARTIES and DIVFW for
      temporary suspension of the implementation of the PROJECT;

c.    A force majeure event occurs. A force majeure event is an event beyond the
      reasonable control of THE PARTIES such as labor disputes, acts of God,
      laws and regulation, judgements or orders of any courts, acts of war or
      conditions arising out of or attributable to war whether declared or
      undeclared, riots, terrorism or other criminal activity, insurrections or
      rebellions, fire, explosions, earthquake, storm, flood, volcanic eruption,
      drought or other severe and unusual adverse weather conditions,
      accidents, or any other cause similar to the foregoing.

                                    ARTICLE 7

                             INVESTMENT COST AND IRR

(1)   INVESTMENT COST for the entire PROJECT construction under THIS AGREEMENT
      as so stated in the Business Plan in Attachment III hereto, amounts to
      maximum of US$ 30,237,397 (thirty million two hundred and

                                        9

<PAGE>
      thirty seven thousand three hundred and ninety seven United States
      Dollars) and IDR 28.350.202.452 (twenty eight billion three hundred and
      fifty million two hundred and two thousand four hundred and fifty two
      Indonesian Rupiah) indusive of all tax expenses in accordance with the
      prevailing laws, excluding tax on luxury goods and 10 % VAT.

(2)   IRR, to be calculated during the revenues sharing period as contemplated
      in Article 9 of THIS AGREEMENT shall be provided as follows:

      (a)   Final value of INVESTMENT COST will be as agreed and verified by the
            PARTIES with the maximum amount as defined in Paragraph (1) of
            this Article.

      (b)   The INVESTMENT COST in US Dollar as stated above in Paragraph (l) of
            this Article shall be converted into Indonesian Rupiah in accordance
            with the middle exchange rate of Bank Indonesia at such exchange
            rate in effect as of the date of ISATC is issued and the investment
            value is calculated based on the capitalization at the same time;

      (c)   The calculation of realization annual IRR based on NET REVENUES
            SHARE which is received by DIVFW.

      (d)   The amount of DIVFW Operational Expenses is in accordance with
            Business Plan as attached to Attachment III.

(3)   To evaluate the rate of achievement of the IRR, THE PARTIES will jointly
      conduct the evaluation in the beginning of each year with due observance
      of the Business Plan hereto attached as Attachment III. At such time THE
      PARTIES shall also discuss the roll out plan.

                                   ARTICLE 8
                        SUPERVISION OF THE CONSTRUCTION

The supervisory duty shall be conducted by Field Supervisor appointed by TELKOM
through DIVFW and for this purpose TELKOM may assign personnel of KSO UNIT and
KANDATEL

                                       10

<PAGE>

                                   ARTICLE 9

                                REVENUES SHARING

(1)   Sharing of revenues shall be calculated based on the NET REVENUES with the
      following percentages;

      -     90%to DIVFW
      -     5% to TELKOM
      -     5% to BSI

      which shall be in effect as of the earlier of (a) the date in which the
      NET REVENUES SHARE received by TELKOM through DIVFW has achieved IRR of
      28% or (b) on 31 December 2010.

(2)   If the IRR of 28% has been achieved prior to 31 December 2010 then the NET
      REVENUES SHARE shall be 50% to TELKOM and 50% to BSI, which is valid until
      the end of the KSO's period on 31 December 2010.

(3)   The REVENUES resulted and received from the NEW FACILITIES must be
      separated from the revenues which are coming from the EXISTING NETWORKS
      others than the NEW FACILITIES.

(4)   Separate discussions are to be held with regard to sharing of revenues
      from development of basic services.

(5)   The DESIGNATED BODP, at the latest on 12th monthly, shall be transferred
      directly by DIVFW to the BODP Escrow Account.

(6)   In every month, at the latest on the 15th, BSI through KSO UNIT will pay
      NET REVENUES SHARE and SEPARATED BODP, by way of transferring to the
      DIVFW'S account.

(7)   To fulfill and support the fluency of the initial operation of the NEW
      FACILITIES for the following 2 (two) months, TELKOM through DIVFW will
      transfer the fund to the BODP Escrow Account in the amount of the planned
      AVERAGE NUMBER OF SUBSCRIBER (the sales plan for the following 2 (two)
      months 10% from the installed BTS capacity, whereas the total BTS capacity
      is 146.700 SST)multiplied by the DESIGNATED BODP at the latest 15
      (fifteen) days after BASTP from the relevant each or a number of BTS is
      issued. The relevant fund is part of DIVFW's obligation in

                                       11
<PAGE>

      providing BODP in the Escrow Account. To avoid of doubt, the meaning of
      total capacity of the installed BTS (during 42 months) is 146.700 Line
      Units.

(8)   DESIGNATED BODP for the following month will be transferred by DIVFW if
      the realization of connected NUMBER OF SUBSCRIBERS has achieved the sales
      plan for the following 2 (two) months pursuant to Paragraph (7) of This
      Article, with the payment mechanism in accordance with Attachment V.

(9)   If the balance in the BODP Escrow Account is insufficient to fund the
      operation of the NEW FACILITIES, the shortfall is to be borne by DIVFW,
      and in the contrary, if there are surpluses, then such surpluses shall be
      forfeited to THE PARTIES with the following calculation:

      (a)   If the IRR of 28% has been achieved after 31 December 2010, then
            BSI's right to the surpluses of the balance shall be 5% pursuant to
            the percentage of revenues sharing in Article 9 paragraph (1) of
            THIS AGREEMENT.

      (b)   If the IRR of 28% has been achieved prior to 31 December 2010, then
            BSI's right to the surpluses of the balance is:

            -     5% of the surplus cumulative balance calculated from the first
                  issuance of BASTP until the date on which such IRR has been
                  achieved; and

            -     50% of the surplus cumulative balance calculated from the
                  date such IRR has been achieved until 31 December 2010.

            -     The above distribution has to wait until 31 December 2010 to
                  calculate total surpluses of balance. The surpluses of balance
                  to the date such IRR has been achieved and between the date
                  such IRR has been achieved until 31 December 2010 will be
                  calculated proportionally.

                                   ARTICLE 10
                            REVENUES SHARING PERIOD

THE PARTIES agree that the REVENUES SHARING PERIOD shall commence from such time
when the NEW FACILITIES commences to produce revenues until 31 December 2010.

                                       12

<PAGE>

                                   ARTICLE 11
                                   REPORTING

For control of the management of revenues and DIRECT COSTS of NEW FACILITIES,
BSI through KSO UNIT shall submit monthly reports to DIVFW no later than the
15th day of the following month, setting forth NET REVENUES.

                                   ARTICLE 12
                         OWNERSHIP OF THE NEW FACILITIES

Ownership of all the NEW FACILITIES resulting from the construction shall remain
with TELKOM through DIVFW until the expiration of THIS AGREEMENT and thereafter
shall be transferred to TELKOM.

                                   ARTICLE 13
                                   ATTACHMENTS

(1)   The Attachments of THIS AGREEMENT shall form an integral and inseparable
      part of, and shall be as legally enforceable and binding as, THIS
      AGREEMENT.

(2)   The Attachments as referred to above in paragraph (1) of this Article
      consists of:

      a.    Attachment I  : Minutes of Meeting dated 30 May 2002, Discussion on
                            the MOU and the Business Plan of the CDMA
                            Construction in Ball;

      b.    Attachment II : Memorandum of Understanding (MOU) dated 11 June 2002
                            regarding Co-Operation on the Fixed Wireless CDMA
                            Facilities Construction in KSO DIVRE VII Area;

      c     Attachment III: Business Plan;

      d.    Attachment IV : Minutes of Meetings dated 16 and 17 December 2002 in
                            Jakarta;

      e.    Attachment V  : Mechanism,Implementation, Operational and Finance;
                            and,

                                       13

<PAGE>

      f.    Attachment VI: KD No.60/HK.220.TEK-10/2002

(3)   In the event of any discrepancy between the provisions and interpretations
      between the Articles of THIS AGREEMENT and those contained in the
      Attachments of THIS AGREEMENT, the Articles of THIS AGREEMENT shall
      prevail.

                                   ARTICLE 14
                                  MISCELLANEOUS

(1)   THIS AGREEMENT shall inure to the benefits of and bind THE PARTIES and
      their respective successors and permitted assignees.

(2)   THE PARTIES agree that NEW FACILITIES constitutes TELKOM's development
      within the KSO system (as defined in the KSO AGREEMENT) with intention
      that the same is to be placed under the operation and maintenance of KSO
      UNIT in accordance with the terms of the KSO AGREEMENT. Nevertheless, THE
      PARTIES agreed that REVENUES, NET REVENUES and NET REVENUES SHARE are to
      be calculated and distributed in accordance with the terms of THIS
      AGREEMENT.

(3)   All the terms of the KSO AGREEMENT, so long as not otherwise provided
      specifically in THIS AGREEMENT shall remain valid and binding.

(4)   TELKOM shall use its best efforts to ensure that the additional manpower
      required to operate this project at the KSO UNIT DIVRE VII are to be taken
      from KSO UNIT DIVRE VII.

(5)   All other matters on which THIS AGREEMENT or the KSO AGREEMENT are silent
      are to be first negotiated by and between THE PARTIES and laid down in
      writing and signed by THE PARTIES, which instrument shall form an
      integral and inseparable part of, and shall be as legally enforceable and
      binding as THIS AGREEMENT.

(6)   THE PARTIES agree that no adjustments are to be made to MTR (Minimum
      TELKOM Revenue), (as defined in the KSO AGREEMENT) as a result of THIS
      AGREEMENT.

                                       14

<PAGE>

(7)   THIS AGREEMENT is made in both the Indonesian language and English
      language. If discrepancies arise between the two versions, the one written
      in Indonesian language shall govern.

(8)   THIS AGREEMENT is made in 2 (two) original copies, affixed with sufficient
      duty stamps, and shall have equal legal force when duly executed by THE
      PARTIES.

(9)   In the event of any changes to the long-term KSO's settlement which cause
      changes to KSO scheme, THIS AGREEMENT shall remain effective and
      subsisting and the rights of THE PARTIES and DIVFW or the substitute
      investor (as the case may be) under THIS AGREEMENT shall remain valid and
      binding to THE PARTIES.

(10)  In the event of termination of the KSO AGREEMENT for any reason
      whatsoever, THE PARTIES agree to negotiate and agree to the relevant
      termination conditions by considering all rights and obligations of THE
      PARTIES as provided in THIS AGREEMENT.

(11)  THIS AGREEMENT shall not severe the exclusive right of BSI as KSO Partner
      to negotiate with TELKOM for the viable solution to the KSO Issue in the
      Area as stated in the KSO AGREEMENT.

(12)  THE PARTIES are aware of the possible co-investment of BSI in the
      deployment of the Fixed Wireless within the KSO UNIT Area.

(13)  THE PARTIES agree that in the implementation of DRM (Design Review
      Meeting), it will also be discussed the supplying of transmission
      channel's demand.

(14)  Each of THE PARTIES represents that THIS AGREEMENT is interpreted in
      accordance with true spirit. If contradictions or discrepancies shall
      arise between the terms of THIS AGREEMENT and those of the KSO AGREEMENT,
      the terms of THIS AGREEMENT shall govern.

(15)  If any of the provisions contained in THIS AGREEMENT shall be deemed
      invalid, illegal or unenforceable, in whole or in part, such invalidity,
      illegality or unenforceability shall

                                       15

<PAGE>

      affect only such provisions or part thereof, while the remaining
      provisions and any other provisions of THIS AGREEMENT shall survive and
      remain fully and legally enforceable.

(16)  THE PARTIES hereby expressly waive Article 1266 of the Indonesian Civil
      Code so far as required to give full effect to the termination of THIS
      AGREEMENT in accordance with the terms of THIS AGREEMENT, without having
      to wait for any court ruling.

In witness whereof, THIS AGREEMENT has been made and executed in good faith, and
to be observed and implemented by THE PARTIES.

<TABLE>
<S>                                                        <C>
PERUSAHAAN PERSEROAN (PERSERO)                             PT BUKAKA SINGTEL INTERNATIONAL
PT TELEKOMUNIKASI INDONESIA, Tbk.                          [STAMP]

Oleh/By /s/ Kristiono                                      Oleh/By /s/ Ng Jin Hiok
        ---------------------------------------                    ---------------------------------------
Nama/Name       : KRISTIONO                                Nama/Name     : NG JIN HIOK
Jabatan/Title   : Direktur Utama/President                 Jabatan/Title : Direktur Utama/President
                  Director                                                 Director
</TABLE>

                                       16

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