Release: Antam monthly exploration report for September 2010

(Jakarta, 12 October 2010)--PT ANTAM (Persero) Tbk is pleased to lodge September 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 September 2010 amounted to Rp11.6 billion (preliminary figures).

NICKEL
Antam conducted nickel exploration at North Maluku and Southeast Sulawesi.

Antam continued to conduct logging core, core sampling, grid measurement, drilling activities, topography and GF track measurement and also wenner geophysics activities at Buli-North Maluku.

Exploration activities at Southeast Sulawesi particularly Mandiodo and Lasolo area included drilling, logging core, core sampling, mapping and also measurements of grid and drilling spots.

Total nickel exploration cost reached Rp3.1 billion.

GOLD
Antam conducted gold exploration at Batangasai-Jambi, Pongkor and Papandayan-West Java, Cibaliung-Banten, Wawonii-Southeast Sulawesi and Mao Batuisi-West Sulawesi.

Exploration activities at Batangasai-Jambi included Detailed Geological Mapping (DGM), opening, collected samples of rocks, FI, core, petro/mineragraphy and XRD and conducted outcrop measurement.

Exploration activities at Java were conducted at several areas. At Pongkor-West Java, Antam performed logging core, collected samples of core, XRD and petro/ mineragraphy, conducted drilling, detailed mapping structure, drilling track and geophysics measurement, geological evaluation and modelling and also analysis of XRD and petro/ mineragraphy. At Papandayan-West Java, Antam conducted DGM, Semi Detailed Geological Mapping (SDGM), opening, drilling, logging core, collected samples of rocks,

core and XRD and also conducted outcropping. At Cibaliung-Banten, Antam collected samples of core, rock, FI, petro/ mineragraphy and XRD, conducted core drilling description and drilling activities.

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

Antam conducted DGM, collected rocks, core, soil, Fi, XRD and pet/min and also conducted logging core, hand auger and drilling at Mao Batuisi - West Sulawesi.

Total gold exploration cost reached Rp6.7 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, test pitting and sampling at Tayan.

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

Total bauxite exploration cost reached Rp1.8 billion. (end of release)