• Menempati berbagai posisi kunci di Antam, sebelumnya menjadi Asisten Kuasa

• Menempati berbagai posisi kunci di Antam, sebelumnya menjadi Asisten Kuasa

Direksi UBP Nikel (2002 sampai 31 Mei 2003), Kuasa Direksi UBP Nikel (1 Juni 2003 sampai 25 Juni 2003) dan Direktur operasi (23 Juni 2003 sampai 26 Juni 2008).

• Usia Beliau per 31 Desember 2011 adalah 56 tahun. • Mr. Alwinsyah Lubis joined Antam in 1983. He was appointed as President

Director on June 26, 2008. • He graduated with a degree in Chemical Engineering, Bandung Institute of Technology in 1983 and received a Master degree in Management from Prasetiya

Ir. Alwinsyah Lubis, MM

Mulia in 2002.

Direktur Utama • He had held various key positions at Antam before being assigned as Deputy

President Director Head of the ubP Nickel (2002-31 May 2003), Head of the ubP Nickel (1 June 2003-

25 June 2003) and the Director of Operations (26 June 2003- 26 June 2008). • He was 56 years old as of December 31, 2011.

• Bergabung dengan Antam di tahun 2008. Diangkat sebagai Direktur

Keuangan sejak tanggal 26 Juni 2008. • Memiliki gelar sarjana di Business Administration dari University of Canberra,

Australia.

• Menempati berbagai posisi kunci di sektor finansial selama 17 tahun. Beliau

memulai karir di industri perbankan sebagai Assistant Vice President di Citibank dari tahun 1991 sampai 1997. Beliau kemudian menjabat Vice President di Chase Manhattan Bank dari tahun 1997 sampai 2001. Dari tahun 2001 sampai 2006, beliau menjabat Senior Vice President di Hongkong and Shanghai Banking Corporation. Beliau kemudian menjabat Executive Director di JP Morgan Chase Bank, N.A. dari tahun 2006 sampai 2008.

• Usia Beliau per 31 Desember 2011 adalah 46 tahun.

Djaja M. Tambunan Direktur Keuangan

Finance Director

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• Bergabung dengan Antam pada tahun 1991. Diangkat sebagai Direktur

operasi sejak tanggal 26 Juni 2008. • Memiliki gelar sarjana Teknik Metalurgi dari Institut Teknologi Bandung di tahun

1988 dan memperoleh gelar Magister Manajemen dari Prasetiya Mulia. • Menempati berbagai posisi kunci di Antam, sebelumnya menjadi Asisten

Kuasa Direksi UBPP Logam Mulia (2003-2004) dan Kuasa Direksi UBPP Logam Mulia (2005) serta Senior Vice President UBP Emas Pongkor (2005 sampai

26 Juni 2008). • Usia Beliau per 31 Desember 2011 adalah 47 tahun.

• Mr. Winardi joined Antam in 1991 and was appointed as Operations Director on June 26, 2008. • He graduated with a degree in metallurgical Engineering, Bandung Institute of Technology in 1988 and received a Master degree in Management from Prasetiya Mulia.

Ir. Winardi, MM • He had held various key positions at Antam before being assigned as Deputy

Direktur Operasi Head of UBPP Logam mulia (2003 - 2004), Head of the UBPP Logam mulia (2005)

Operations Director and Senior Vice President of UBP Gold (2005 - 26 June 2008).

• He was 47 years old as of December 31, 2011.

• Mr. Djaja M. Tambunan was appointed as Finance Director on June 26, 2008. • He graduated with a degree in Business Administration from the University of

Canberra, Australia. • He had held various key positions in the financial sector for 17 years. He started his career in banking with Citibank in 1991 as Assistant Vice President until 1997. He became Vice President at the Chase Manhattan Bank from 1997 until 2001. From 2001 until 2006 he was Senior Vice President at Hongkong and Shanghai Banking Corporation. He was Executive Director at JP Morgan Chase Bank, N.A. from 2006 until 2008.

• He was 46 years old as of December 31, 2011.

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Antam’s Board of Directors

• Bergabung dengan Antam di tahun 1992. Diangkat sebagai Direktur

Pengembangan sejak tanggal 26 Juni 2008. • Memiliki gelar sarjana Teknik Metalurgi dari Institut Teknologi Bandung di tahun 1991 dan memperoleh gelar Magister Manajemen dari Prasetiya Mulia. • Menempati berbagai posisi kunci di Antam, sebelumnya menjadi Assistant Senior Manager Feronikel (2005-2006) dan Project Group Leader of Nickel and Energy Development Project (2006 sampai 26 Juni 2008).

• Usia Beliau per 31 Desember 2011 adalah 43 tahun. • Mr. Tato Miraza joined Antam in 1992 and was appointed as Development

Director on June 26, 2008. • He graduated with a degree in metallurgical Engineering, Bandung Institute of Technology, in 1991 and received a Master degree in Management from Prasetiya Mulia.

• He had held various key positions at Antam before being assigned as Assistant Ir. Tato Miraza, SE, MM

Senior Manager of Ferronickel (2005-2006) and Project Group Leader of Nickel Direktur Pengembangan

and Energy Development Project (2006 to 26 June 2008). Development Director

• He was 43 years old as of December 31, 2011.

• Bergabung dengan Antam pada tahun 1995. Diangkat sebagai Direktur SDM

sejak tanggal 26 Juni 2008. • Memiliki gelar sarjana Teknik Pertambangan dari Institut Teknologi Bandung di tahun 1995 dan memperoleh gelar Master of Business Administration dari University of Twente, Belanda.

• Menempati berbagai posisi kunci di Antam, sebelumnya menjadi Deputy Senior Vice President UBP Emas Pongkor (2005 sampai 26 Juni 2008). • Usia Beliau per 31 Desember 2011 adalah 42 tahun.

Achmad Ardianto, ST, MBA Direktur SDM Human Resources Director

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• Bergabung dengan Antam pada tahun 1986. Diangkat sebagai Direktur Umum dan CSR sejak tanggal 26 Juni 2008. • Memiliki gelar sarjana Teknik Mesin dari Universitas Hasanuddin di tahun 1985 dan memperoleh gelar Magister Manajemen dari Prasetiya Mulia. • Menempati beragam posisi kunci di Antam, sebelumnya menjadi Kuasa Direksi UBP Nikel (2005) dan Senior Vice President UBP Nikel (2005 sampai 26 Juni 2008). • Usia Beliau per 31 Desember 2011 adalah 51 tahun.

• Mr. Denny Maulasa joined Antam in 1986 and was appointed as GA and CSR Director on June 26, 2008. • He graduated with a degree in Mechanical Engineering, University of Hasanuddin in 1985 and received a Master degree in Management from Prasetiya Mulya. • He had held various key positions before being assigned as Head of the UBP Nickel (2005) and Senior Vice President of the UBP Nickel (2005 - 26 June 2008). • He was 51 years old as of December 31, 2011.

Ir. Denny Maulasa, MM Direktur Umum Dan CSR General Affairs & CSR Director

• Mr. Achmad Ardianto joined Antam in 1995 and was appointed as HR Director on June 26, 2008. • He graduated with a degree in mining Engineering, Bandung Institute of Technology in 1995 and received a Master of Business Administration from the University of Twente in Netherlands.

• He had held various key positions at Antam before being assigned as Deputy Senior Vice President of Operations of UBP Gold (2005 - 26 June 2008). • He was 42 years old as of December 31, 2011.

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

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Produksi dan Penjualan Feronikel Mencapai Level Tertinggi Sepanjang Sejarah Antam

Production And Sales Of Ferronickel Has Reached The Highest Level In The History Of Antam

Kegiatan peleburan feronikel di UBP Nikel Sulawesi tenggara | ferronickel smelting in Southeast Sulawesi Nickel Mining Business Unit

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Analisis & Pembahasan Manajemen

Management’s Discussion & Analysis

2011 ANNUAL REPORT | Perusahaan Perseroan (Persero) PT Aneka Tambang Tbk Investing Today Benefiting Tomorrow