Release: Antam monthly exploration report for December 2012

(Jakarta, January 14, 2013) PT ANTAM (Persero) Tbk is pleased to announce its exploration report for December 2012 in accordance with the Indonesia Stock Exchange listing rules.

Antam?s exploration activities were focused on nickel, gold, bauxite, coal, and zircon in December 2012, with total preliminary cost of Rp19 billion.

NICKEL
Nickel exploration activities were conducted in Buli, North Maluku; Pomalaa, Southeast Sulawesi; and Pulau Gag, West Papua in December 2012.

In general, Antam conducted core logging and sampling; moisture content (MC) and specific gravity (SG) measurements; test pitting; topography and grid measurements, x-ray diffraction (XRD) measurement, detailed geological mapping (DGM); and sample preparation.

Antam spent Rp6.2 billion on nickel exploration activities in December 2012.

GOLD
Antam conducted gold exploration activities at West Java, Banten, and iambi in December 2012. In that period, Antam spent Rp11.9 billion for gold exploration activities.

Exploration activities at Pongkor included, among others, core logging; core, Fi, petmin, and XRD samplings; geotechnical sampling; drilling and drill-track measurement; magnetic and gravity measurement.

In Papandayan, Antam performed semi-detailed geological measurement (SDGM) and DGM; hand-auger measurement; core drilling; core logging; rock, core, soil, Fi, XRD, terraspec and petmin samplings; geophysical samplings using induced polarization (IP) and magnetic methods; point-load testing; drill tracks and point measurement; controlled source audio-frequency magneto-telluric (CSAMT); core, rock, and soil analysis; as well as geological evaluation and modeling.

At Cibaliung, Antam conducted geological mapping; core, rock-chemistry, soil, and XRD samplings; trenching; CSMAT; and drilling.

Meanwhile, at Muara Manderas, Jambi, Antam performed DGM; SDGM; core logging; hand-auger measurement; trenching; as well as rock, soil, core, petmin, XRD, and terraspec samplings.

BAUXITE
Antam conducted bauxite exploration activities at Mempawah, Landak, Tayan, and Munggu Pasir, West Kalimantan. Antam performed grid measurement, test pitting, and sampling as part of its bauxite exploration activities. Total exploration activities for bauxite amounted to Rp662.1 million in December 2012.

COAL AND ZIRCON
During December 2012, Antam performed field surveys at coal prospect in Bangko, Jambi and Mandor, West Kalimantan; as well as zircon prospect in Mandor, West Kalimantan. The total cost of these activities reached Rp330.2 million. (end of release)