Release: Antam monthly exploration report for April 2010

Jakarta, 11 May 2010--PT Antam Tbk is pleased to lodge April Exploration Report in accordance with the Indonesia Stock Exchange listing rules.

Antam?s exploration activities focused on nickel, gold, bauxite and coal. Total exploration cost on above commodities in April 2010 amounted to Rp9.2 billion (preliminary figures).

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

Antam conducted logging core, core sampling, SG and MC measurement, topography and grid measurement, georadar, resistivity and also drilling activities at Buli-North Maluku.

Exploration activities at Southeast Sulawesi particularly Mandiodo and Lasolo area included drilling, logging core, core sampling, map ping, grid and topography measurement.

Total nickel exploration cost reached Rp3.3 billion.

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

Exploration activities at Batangasai-Jambi included Detailed Geoogical Mapping (DGM), opening collected samples of rocks, FI, core, petro/mineragraphy and XRD, conducted outcropping, drilled logging, drilling activities and track measurement.

Exploration activities at Java Island were conducted several areas. At Pongkor-West Java, Antam performed logging core, collected samples of rock, core, XRD, and petro/ mineragraphy, conducted drilling, drilling track and geophysics CSAMT measurements, geological evaluation and modelling. At Papandayan-West Java, Antam conducted DGM, opening, drilling, logging core, collected samples of rocks and core and also conducted outcropping. At Cibaliung-Banten, Antam conducted trenching, surface and core sampling, logging core and drilling.

At Wawonii-Southeast Sulawesi, Antam conducted exploration activities including DGM, opening, collected samples of rock, core, FI, XRD and petro/mineragraphy, drilling, logging core and drilling cut measurement.

Antam conducted DGM, opening, collected rock, core and FI/PET/XRD samples, drilling, logging core, IP geophysics and track measurement at Mao Batuisi-West Sulawesi.

Total gold exploration cost reached Rp4.2 billion.

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

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

Antam conducted grid measurement, test pitting and sampling at Tayan while at Munggu Pasir, Antam conducted grid/polygon measurement, test pitting and sampling.

Exploration activities at Menjalin and Sebadu, prospects of PT Borneo Edo International, included grid measurement, test pitting and sampling

Total bauxite exploration cost reached Rp1.7 billion

COAL
Antam conducted initial coal exploration at Musirawas, South Sumatera at a cost of Rp28.2 million. (end of release)