Release: Antam monthly exploration report for December 2010

(Jakarta, January 12, 2011)--PT ANTAM (Persero) Tbk is pleased to lodge December Exploration Report in accordance with the Indonesia Stock Exchange listing rules.

Antam?s exploration activities focused on nickel, gold and bauxite. Total exploration cost on above commodities in December 2010 amounted to Rp17.6 billion (preliminary figures).

NICKEL
Antam conducted nickel exploration at North Maluku.

Antam continued to conduct grid and topography measurement at Buli-North Maluku.

Total nickel exploration cost reached Rp3.3 billion.

GOLD
Antam conducted gold exploration at Dairi and Karo-North Sumatera, Batangasai-Jambi, Pongkor and Papandayan-West Java, Cibaliung-Banten, Wawonii-Southeast Sulawesi, Mao Batuisi-West Sulawesi and Oksibil-Papua.

Exploration activities at Dairi and Karo-North Sumatera included Semi Detailed Geological Mapping (SDGM), Detailed Geological Mapping (DGM), opening, and also took samples of rock, soil, FI, petrography/ mineragraphy and XRD.

Exploration activities at Batangasai-Jambi included DGM, opening, collected samples of rocks, core, petrography/mineragraphy, XRD and Fl, conducted outcrop measurement, logging core, structure measurement, track measurement and drilling activities.

Exploration activities at Java were conducted at several areas. At Pongkor-West Java, Antam performed DGM, logging core, collected samples of core, XRD, soil, FI and petro/ mineragraphy, conducted drilling, measurements of drilling tracks and also conducted evaluation and geological modelling. At Papandayan-West Java, Antam conducted DGM, SDGM, opening, drilling, logging core, collected samples of rocks, core and XRD, and also conducted outcrop, drilling spot and CSAMT track measurements, magnetic geophysics and CSAMT geophysics. At Cibaliung-Banten, Antam conducted logging core, samples of core, Fi, petro/ mineragraphy and XRD, conducted outcrop activities, drilling activities and IP geophysics.

At Wawonii?Southeast Sulawesi, Antam conducted exploration activities including SDGM, DGM, opening and collected samples of rocks.

Antam conducted drilling activities, logging core and collected core at Mao Batuisi - West Sulawesi.

At Oksibil-Papua, Antam conducted initial exploration activities including SDGM, DGM, magnetic geophysics and also collected samples of rocks and soil.

Total gold exploration cost reached Rp12.2 billion.

BAUXITE
Antam conducted bauxite exploration at Mempawah, Landak, Tayan and Munggu Pasir of West Kalimantan.

Exploration activities at Mempawah and Landak included grid measurement, EDM, test pitting and sampling.

Antam conducted grid measurement, polygon measurement, test pitting and sampling at Tayan.

Exploration activities at Munggu Pasir included grid/ polygon measurement, test pitting and sampling.

Total bauxite exploration cost reached Rp2.1 billion. (end of release)