PT SoRIkMAS MINING (ANTAM owNeRSHIP: 25%)

PT SoRIkMAS MINING (ANTAM owNeRSHIP: 25%)

PT Sorikmas Mining (PT SM) is a joint venture entity that engages in the operation of gold ore mining project located in Mandailing Natal Regency, North Sumatera Province. This joint venture is 75% owned by Sihayo Gold Limited (SGL), an Australian public mining company, and the remaining 25% is owned by Antam.

Throughout 2011, PT Sm’s focus was concentrated on the completion of feasibility study to be completed by Q2 - 2012. The latest exploration result conducted by Sihayo Gold Limited revealed that the estimation of total indicated and inferred gold resources in gold mine of PT Sm reached

16.3 million dmt with average gold content of 2.7 gpt and gold metal content of 1.4 million toz. The Company aim to meet gold metal production of 90,000 toz within seven year period with annual cash cost between US$650 to $700 per toz. The estimated cost to build this gold ore processing plant is approximately US$80.4 million.

Joint Ventures Entities

Rencana kerja PT SM di 2012 akan berfokus pada

In its work plan for 2012, PT SM will focus on finalizing and

finalisasi dan penyampaian hasil-hasil studi kelayakan

delivering the results of the feasibility studies, assessing

definitif proyek, penyelidikan pilihan pendanaan proyek

project funding options, maintaining good relation with

dan menjalin hubungan baik dengan bank-bank kunci,

key banks, further approval on the Environmental Impact

persetujuan tingkat lanjut yang mencakup persetujuan

Assessment (EIA), approval from the Government of the

Analisa Dampak Lingkungan (AMDAL), persetujuan

Republic Indonesia, and the Forestry Permit. The Company

Pemerintah Republik Indonesia, dan Izin Kehutanan.

will also ensure a good relationship with local communities

PT SM juga akan memastikan adanya hubungan yang baik

around the mining area.

dengan masyarakat lokal di sekitar wilayah pertambangan.

Entitas Ventura Bersama | Joint Venture Entities

Produk / Komoditas

Generasi Kontrak Karya

No Perusahaan / Company

Product / Commodity

Contract of Work (CoW) Generation

Newcrest Singapore Holding Pte. Ltd., entitas anak 1 PT Nusa Halmahera Minerals

Emas / Gold

Generasi ke-6 / 6 th generation

dari Newcrest (

Produksi Newcrest Singapore Holding Pte. Ltd.,

Listed)

ASX

Ashton MMC Pte., Ltd. entitas anak dari Gems 2 PT Galuh Cempaka

Banjarbaru & Tanah Laut,

Intan / Alluvial Diamonds

Generasi ke-7 / 7 th generatio n

Diamond Ltd. (

Produksi Ashton MMC Pte., Ltd. a subsidiary of Gems Diamond

Listed)

Tanah Laut, South Kalimantan Ltd. ( Dairi & Pakpak Bharat,

Gain and Win Pte., Ltd. entitas anak dari Herald 3 PT Dairi Prima Minerals

Timbal/ seng / Lead/zinc

Generasi ke-7 / 7 th generatio n

Dairi & Pakpak Bharat,

Gain and Win Pte., Ltd. a subsidiary of herald Resources

15% (setelah BFS) 15% (setelah

Strand Minerals (Indonesia) Pte., Ltd., perusahaan 4 PT Weda Bay Nickel

Nikel / Nickel

Generasi ke-7 / 7 th generatio n

patungan dari Eramet (66,6%) dan Mitsubishi (33,4%) Strand Minerals (Indonesia) Pte., Ltd., joint venture

15% (after BFS)

company of Eramet (66.6%) and Mitsubishi (33.4%)

15% (after 14

Aberfoyle Pungkut Investment Pte. Ltd. entitas anak

dari Sihayo Gold Limited (d/h oropa Limited) (ASX 5 PT Sorikmas Mining

Mandailing–Natal, Sumatera

Emas dan Logam Dasar / Gold & Base metal

Generasi ke-7 / 7 th generatio n

Listed) Aberfoyle Pungkut Investment Pte. Ltd., a subsidiary of

Exploration Sihayo Gold Limited (previously Oropa Limited) (ASX

International Minerals Co. LLC entitas anak dari 6 PT Gorontalo Minerals

Emas dan Logam Dasar / Gold & Base metal

Generasi ke-7 / 7 th generatio n

International Minerals Co. LLC, a subsidiary of PT Bumi Exploration

7 PT Sumbawa Timur Mining

Emas dan Logam Dasar / Gold & Base metal

Generasi ke-7 / 7 th generatio n

Eastern Star Resource Pty., Ltd.

Exploration

Tidak Ada

8 PT Pelsart Tambang Kencana

Emas / Gold

Generasi ke-7 / 7 th

generatio n

Kota Baru, Tanah Bumbu,

No Activities

Kalimantan dan

LAPORAN TAHUNAN 2011 | Perusahaan Perseroan (Persero) PT Aneka Tambang Tbk

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Pt Galuh CemPaKa (KePemiliKaN aNtam: 20%)

PT GALUH ceMPAkA (ANTAM owNeRSHIP: 20%)

Antam memiliki free carried interest sebesar 20% pada

Antam holds a free carried interest of 20% in Cempaka

Proyek Intan Cempaka yang dioperasikan oleh entitas

Diamond Project operated by PT Galuh Cempaka (PT GC)

ventura bersama PT Galuh Cempaka (PT GC) untuk

that engages in processing alluvial diamond reserves in

mengola cadangan intan aluvial di Cempaka dan Danau

Cempaka and Seran Lake, in Southeast Kalimantan. The

Seran, Kalimantan. Gem Diamonds memiliki 80% saham

remaining 80% of the shares is held by Gem Diamonds.

dalam perusahaan patungan ini. Tambang Cempaka

Cempaka mine produces high-quality white diamonds and

menghasilkan intan putih berkualitas tinggi serta beragam

a variety of colored diamonds that are priced at average

intan berwarna yang dapat dijual pada berbagai tingkat

diamond price prevailed in the global market.

harga intan rata-rata global.

Kepemilikan Antam / Antam Shares

Produk / Komoditas

Generasi Kontrak Karya

Product / Commodity

Percentage of

Option

Ownership*

Newcrest Singapore Holding Pte. Ltd., entitas anak

Generasi ke-6 / 6

Halmahera, Maluku Utara

dari Newcrest (ASX Listed)

Produksi

Halmahera, North maluku

Newcrest Singapore Holding Pte. Ltd.,

Production

a subsidiary of Newcrest ( ASX Listed)

Ashton MMC Pte., Ltd. entitas anak dari Gems PT Galuh Cempaka

Banjarbaru & Tanah Laut,

Alluvial Diamonds

Generasi ke-7 / 7

Kalimantan Selatan

Diamond Ltd. (LSE Listed)

Produksi

Banjarbaru &

Ashton MMC Pte., Ltd. a subsidiary of Gems Diamond Production

Tanah Laut, South Kalimantan Ltd. (LSE Listed) Dairi & Pakpak Bharat,

Gain and Win Pte., Ltd. entitas anak dari Herald

Lead/zinc

Generasi ke-7 / 7

Sumatera Utara

Dairi & Pakpak Bharat, North Sumatera

Gain and Win Pte., Ltd. a subsidiary of herald Resources Construction

Resources

Konstruksi

15% (setelah BFS) 15% (setelah

Strand Minerals (Indonesia) Pte., Ltd., perusahaan PT Weda Bay Nickel

Generasi ke-7 / 7

14 tahun

Halmahera, Maluku Utara

patungan dari Eramet (66,6%) dan Mitsubishi (33,4%) Konstruksi

beroperasi)

Halmahera, North maluku

Strand Minerals (Indonesia) Pte., Ltd., joint venture Construction

15% (after BFS)

company of Eramet (66.6%) and Mitsubishi (33.4%)

15% (after 14 years operation)

Aberfoyle Pungkut Investment Pte. Ltd. entitas anak

Mandailing–Natal, Sumatera

dari Sihayo Gold Limited (d/h oropa Limited) (ASX

Emas dan Logam Dasar /

Generasi ke-7 / 7

Listed)

Utara mandailing - Natal,

Eksplorasi

Aberfoyle Pungkut Investment Pte. Ltd., a subsidiary of Exploration Sihayo Gold Limited (previously Oropa Limited) (ASX Listed)

North Sumatra

International Minerals Co. LLC entitas anak dari PT Gorontalo Minerals

Bone Bolango, Sulawesi

Emas dan Logam Dasar /

Generasi ke-7 / 7

Utara

Eksplorasi Bone Bolango, North Sulawesi International Minerals Co. LLC, a subsidiary of PT Bumi

PT Bumi Resources

Exploration

Resources

Sumbawa Timur, Nusa

Emas dan Logam Dasar /

Generasi ke-7 / 7

Tenggara Barat

Eastern Star Resource Pty., Ltd.

Eksplorasi

Eastern Sumbawa, West Nusa

Exploration

Tenggara Kota Baru, Tanah Bumbu,

Banjar, Tanah Laut,

Tidak Ada 8

Generasi ke-7 / 7

Kalimantan Selatan Kota Baru, Tanah Bumbu,

Pelsart International NL, Australia

Aktivitas

Banjar, Tanah Laut, South

No Activities

Kalimantan

*Free Carried dan Loan Carried Free Carried and Loan Carried

2011 ANNUAL REPORT | Perusahaan Perseroan (Persero) PT Aneka Tambang Tbk

Investing Today Benefiting Tomorrow

LAPORAN TAHUNAN 2011 | Perusahaan Perseroan (Persero) PT Aneka Tambang Tbk

Berinvestasi Saat Ini untuk Masa Depan

Tata Kelola Antam

Governance of Antam

Antam Is Committed To Develop Best Practices In Corporate Governance To Achieve An Excellent And Sustainable Performance

Antam kembali memperoleh penghargaan the Most trusted Company 2011 berdasarkan Corporate governance Perception index Award 2011 Antam has again received the Most trusted Company in 2011 Award, based on Corporate Governance Perception index Award 2011

2011 ANNUAL REPORT | Perusahaan Perseroan (Persero) PT Aneka Tambang Tbk

Investing Today Benefiting Tomorrow

Governance of Antam

Komitmen Kami

Membudayakan penerapan praktik terbaik tata kelola perusahaan serta senantiasa memperkuat daya saing Antam, mengoptimalkan potensi dan nilai tambah sumber daya alam secara ekonomis, untuk mencapai kinerja yang prima, pertumbuhan berkelanjutan serta kelestarian lingkungan.

our Commitment

Incorporating the best practice of corporate governance as Antam’s culture, along with continually improving competitiveness and optimizing the potential and added value of natural resources economically to achieve excellent performance, sustainable growth and sustaining environment