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20250410_ANTM_Laporan Bulanan Aktivitas Eksplorasi_31874756_lamp2.pdf

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Page 1 OCR 0.897
———— !
4f-antam o

Until March 31, 2025, ANTAM's
total exploration cost totalled
to Rp45.54 billion (unaudited
preliminary figure), focusing
on gold, nickel and bauxite.

FOR MORE INFORMATION
PLEASE CONTACT:

Syarif Faisal Alkadrie
(Corporate Secretary)
Tel : (6221) 789 1234
Fax : (6221) 789 1224

Email : corsecoantam.com
Website : www.antam.com

Exploration Report

Jakarta, April 10, 2025

PT Aneka Tambang Tbk (ANTAM: IDX: ANTMj ASX: ATM) is
pleased to announce its exploration report for periods
ended March 31, 2025 in accordance with the Indonesia Stock
Exchange listing rules.

ANTAM's exploration activities until March 31, 2025 were
focused on gold, nickel and bauxite with total
Unaudited preliminary cost of Rp45.54 billion.

GOLD

Until March 31, 2025, ANTAM conducted gold exploration
activities in Pongkor, West Java. In Pongkor, ANTAM
conducted in mine drilling (underground) and deep drilling

(surface).

NICKEL

ANTAM's nickel exploration until March 31, 2025 is conducted
in North Konawe and Pomalaa, Southeast Sulawesi.
In addition, exploration activities were also conducted on the
Mining Business Permits of  ANTAM's  subsidiary,
PT Sumberdaya Arindo, in Buli, North Maluku.

In the North Konawe area, activities carried out indude
geological mapping, core sampling, core logging, grid
measurement & re-measurement, installation of predrill and
postdrill stakes, single tube drilling and laboratory
preparation and analysis. In the Pomalaa area, activities
included geological mapping, core sampling, core logging,
grid measurement & re-measurement, installation of
measuring stakes, single tube drilling, as well as preparation
and laboratory activities. In the Buli area, conducted core
sampling, core logging, grid & re-measurement, installation of
measuring stakes, and single tube drilling.
Page 2 OCR 0.918
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Exploration Report

BAUXITE

Bauxite exploration activities until March 31, 2025 were conducted in Tayan and Landak, West
Kalimantan. In the Tayan area, the exploration activity were identification and licenses, geological
mapping, measurement with the installation of measuring stakes and test pit grid traverse
measurements. In Landak area, conducted identification and licenses, geological mapping,
excavation of wells, measurement with the installation of measuring stakes and test pit grid
traverse measurements.

ANTAM through the Geomin Unit undertakes integrated mineral exploration activities which
include area survey activities, geological exploration, geophysical exploration, geodesy survey,
drilling, physical and chemical analysis, calculation of mineral reserves and resources supported by
integrated Geographic Information System (GIS). Exploration activities conducted to ensure the
adeguacy of the Company's strategic mineral resources and reserves potential.

ANTAM'S EXPLORATION AREAS UNTIL MARCH 31, 2025

Nickel:
Pomalaa |...

The information in this report that relates to Exploration Results, Mineral Resources or Ore Reserves is
based on information compiled by Mr. Bronto Sutopo who isa Member of The Australasian Institute of
Mining and Metallurgy. Mr. Bronto Sutopo is a full-time employee of the company. Mr. Bronto Sutopo has
sufficient experience which is relevant to the style of mineralisation and type of deposit under
consideration and to the activity which he is undertaking to gualify as a Competent Person as defined in
the 2012 Edition of the 'Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore
Reserves'. Mr. Bronto Sutopo consents to the inclusion in the report of the matters based on his
information in the form and context in which it appears.

Pongkor

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Source IDX
Size0.51 MB
Published10 Apr 2025
Pages2
Characters3,688
Text sourceOCR
OCR confidence0.908

Names mentioned 5 people and organisations named in the text · linked when the evidence is strong

linked person Syarif Faisal Alkadrie p.1
linked org Aneka Tambang Tbk p.1 ×2
unresolved org Indonesia Stock Exchange p.1
unresolved org PT Sumberdaya Arindo p.1
unresolved person Bronto Sutopo p.2 ×4

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