2110   DRILLING COMPANIES
                 (Oil & Gas Upstream Activities)

...::: INDONESIA :::...
COSL Indo, PT
BRI II Building, Suite 1705
Jl. Jend. Sudirman Kav. 44 - 46
Jakarta 10210, Indonesia
Tel: (62) 21 5793 2563
Fax: (62) 21 5793 2562

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ENSCO Holland B.V.
Plaza Aminta, Ste 706
Jl. Let. Jend. TB Simatupang Kav. 10
Jakarta 12310, Indonesia
Tel: (62) 21 7590 6050
Fax: (62) 21 7590 6010

ENSCO Balikpapan
Lvl 8, BRI Building
Jl. Jend. Sudirman No. 37
Balikpapan, East Kalimantan 76112
Indonesia
Tel: (62) 542 736 791
Fax: (62) 542 736 751

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Oil Drilling & Exploration (International) Pty Ltd
Graha Iskandarsyah Bldg, Lvl 11
Jl. Iskandarsyah Raya, No. 66C
Kebayoran Baru, Jakarta 12160
Indonesia
Tel: (62) 21 720 9950
Fax: (62) 21 720 9960

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PT. Alpha Offshore Drilling
Lvl 5, Suite 504, Menara DEA
Jl. Mega Kuningan Barat IX
Kav. E.4.3. No. 1
Jakarta 12950, Indonesia
Tel: (62) 21 576 2576
Fax: (62) 21 576 1237

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PT. Apexindo Pratama Duta Tbk
Medco Building, Lvl 2 - 3
Jl. Ampera Raya No. 20
Jakarta 12560, Indonesia
Tel: (62) 21 780 4766
Fax: (62) 21 7884 6453
Email: investor-relations@apexindo.com
Website: www.apexindo.com

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PT. Century Dinamik Drilling
Lvl 14, Chase Plaza
Jl. Jend. Sudirman Kav 21
Jakarta 12920, Indonesia
Tel: (62) 21 520 1518
Fax: (62) 21 520 1640

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PT. Dati
Jl. Adityawarman #40
Kebayoran Baru
Jakarta 12160, Indonesia
Tel: (62) 21 789 2158
Website: www.parkerdrilling.com
PT. Elnusa Drilling Service
Graha Elnusa Bldg, Lvl 6
Jl. TB Simatupang Kav. 1B
Cilandak, Jakarta 12560, Indonesia
Tel: (62) 21 7884 5505
Fax: (62) 21 7884 5507

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PT. EWS Oilfield Services
Graha Elnusa, Lvl 8
Jl. TB. Simatupang Kav. 1B
South Jakarta 12560, Indonesia
Tel: (62) 21 7883 1210
Fax: (62) 21 7883 1209
Email: elnusaws@elnusa.co.id

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PT. Japan Drilling Indonesia
Lvl 19, Plaza Sentral
Jl. Jendral Sudirman Kav 47
Jakarta 12930, Indonesia
Tel: (62) 21 574 6441
Fax: (62) 21 574 6386
Website: www.jdc.co.jp

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PT. Saripari Pertiwi Abadi
Wisma BSG, Lvl 9
Jl. Abdul Muis No. 40
Jakarta 10160, Indonesia
Tel: (62) 21 350 5370
Fax: (62) 21 350 5371
Email: saripari@saripari.com / marketing@saripari.com
Website: www.saripari.com

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PT. Tiara Drilindo
Central Cikini Building
Jl. Cikini Raya No. 60 K-L
Jakarta 10330, Indonesia
Tel: (62) 21 3192 2409
Fax: (62) 21 3192 7765

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PT. Vetco Gray Indonesia
Wisma Nugra Santana, 12th FL
Jalan Jend. Sudirman Kav. 7-8
Jakarta 10220, Indonesia
Tel: (62) 21 571 1740
Fax: (62) 21 571 1741
Website: www.geoilandgas.com

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Transocean
Plaza Aminta, Lvl 5, Suite 501
Jl. TB Simatupang Kav. 10
Jakarta 12310, Indonesia
Tel: (62) 21 7591 4550
Fax: (62) 21 7591 4551
Website: www.deepwater.com

Balikpapan Office:
Gedung BRI, Lvl 5
Jl. Jend. Sudirman No. 37
Balikpapan 76112, Indonesia
Tel: (62) 542 520 200
Fax: (62) 542 202 203