Release: Antam monthly exploration report for Jan 2006

Jakarta, February 10, 2006 ? PT Antam, Tbk is pleased to lodge the January exploration report in accordance with the Jakarta Stock Exchange (JSX) listing rules. Exploration activities focused primarily on nickel, gold and bauxite. Total cost for exploration on January reached Rp2.6 billion.

NICKEL EXPLORATION
Antam conducted nickel exploration in Buli, Halmahera; Southeast Sulawesi and Obi Island. Nickel exploration using drilling method in Buli, Halmahera specifically Pakal block and Sangaji reached 4,103 m at a total cost of Rp948 million.

Antam also conducted nickel exploration in Southeast Sulawesi at Tapunopaka and Mandiodo using drilling method and successfully reached 2,430 m at a total cost of Rp920 million. Exploration activities including 12.5 m spacing of drilling method for modelling in this area are conducted to increase resource classification.

Antam completed exterior activities at Obi Island on January 2006, following unfinished modelling cross drilling on December 2005. Drilling volume reached 1,001.9 m at a total cost of Rp391 million.

Total cost for nickel exploration reached Rp2.3 billion.

GOLD EXPLORATION
Antam conducted gold exploration at Pongkor, West Java and Seblat, Bengkulu. Exploration activities at Pongkor included 206.05 m of geological-technical drilling followed by permeability test, Piezometer set up, geomechanical analysis and geohidrological analysis. Exploration drilling at Kubang Cicau vein below L.500 resulted 129.1 m depth and 3.72 m width with average grade of 12.52 ppm Au and 59 ppm Ag. Total cost reached Rp32.8 million.

Exploration activities at Seblat, Bengkulu conducted particularly at Gunung Husein vein to collect more data for supporting planned drilling activity. Detailed activities included Regional Geological Mapping of 4,200 ha, Semi-Detailed Geological Mapping of 1,000 ha, Detailed Geological Mapping of 100 ha, opening of 248 m3 and collecting 84 samples for chemical purposes, X-Ray Diffraction (XRD) and Fluid Inclusion (FI). Total cost reached Rp241 million.

Total cost for gold exploration reached Rp273.8 million.

BAUXITE EXPLORATION
In January, exploration activities focused at Tayan and Munggu Pasir. Both areas are at West Kalimantan.

Test pitting volume using 25 m spacing at Tayan reached 124 pits (1,017.2 m) followed by collecting 362 samples. Total cost reached Rp40.8 million.

At Munggu Pasir prospect, Antam prepared exploration activities and conducted 3.4 km of polygon measurements.

Total cost for bauxite exploration reached Rp40.8 million. (end of release)