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20260112_HRUM_Laporan Bulanan Aktivitas Eksplorasi_32018948_lamp1.pdf

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Page 1 OCR 0.936
PT HARUM ENERGY Tbk.

Deutsche Bank Building, 9th Floor
HARUM 9 energy Jl. Imam Bonjol 80, Jakarta Pusat 10310 - Indonesia
Tel. (62-21) 39831288 Fax. (62-21) 39831289
LAPORAN EKSPLORASI

Periode Triwulan IV Tahun 2025

PT Harum Energy Tbk (“Perseroan”) merupakan
perusahaan induk dari portfolio usaha di bidang
pertambangan batubara: pertambangan nikel,
pengolahan dan pemurnian nikel, serta logistik.
Perseroan menjalankan kegiatan pertambangan
nikel melalui entitas anak, yaitu PT Position, yang
memiliki perizinan untuk mengembangkan wilayah
pertambangan yang berlokasi di Halmahera Timur,
Maluku Utara berdasarkan Izin Usaha Pertambangan
Operasi Produksi Mineral Logam.

Dengan ini, Perseroan menyampaikan laporan
kegiatan eksplorasi PT Position, sebagai berikut:

A. Area

Selama tahun 2025, termasuk periode Triwulan
IV Tahun 2025, kegiatan ekplorasi PT Position
berfokus pada satu blok dari tiga blok yang ada,
yaitu Blok Maba 1 yang berada di Kecamatan
Maba Kota, Kabupaten Halmahera Timur,
Provinsi Maluku Utara.

B. Metode Pengujian dan Pemilihan Area

Kegiatan eksplorasi PT Position di Blok Maba 1

dilakukan pada area yang akan menjadi rencana

penambangan PT Position. Kegiatan eksplorasi

yang dilakukan meliputi:

1. Kegiatan pengeboran dengan metode full
core drilling HA dengan spasi 25 mx 25 m.

2. Pengujian conto batuan dengan metode
fusi menggunakan analisis WD-XRF,
metode ini menghilangkan heterogenitas
akibat ukuran butir dan perbedaan
mineralogi, sehingga memungkinkan hasil
analisis yang akurat. PT Position juga
menerapkan sistem OAOC yang digunakan
Untuk mengukur keandalan hasil pengujian
dengan menentukan presisi, akurasi, dan
biasnya.

EXPLORATION REPORT
Period of Auarter IV of 2025

PT Harum Energy Tbk (the "Company”) is a holding
company of business portfolio of coal mining: nickel
mining, and nickel processing and refining, as well as
logistic. The Company carries out its nickel mining
activities through its subsidiary, namely PT Position,
which holds licence to develop mining area located
in East Halmahera, North Maluku based on Metal
Mineral Production Operation Mining Business
Licence.

The Company hereby submit the exploration
activities report of PT Position, as follows:

A. Area

Throughout 2025, including the period of
Ouarter IV of 2025, PT Position's exploration
activities were focused on one block out of
three blocks, namely Block Maba 1 located in
Maba Kota Sub-district, East Halmahera
Regency, North Maluku Province.

B. Assessment Method and Area Determination

The exploration activities of PT Position in Block
Maba 1 were carried out in the area to be mined
by PT Position. The exploration activities that
were carried out including:

1. Drilling activities using full core drilling HO
method with 25 mx 25 m spacing.

2. Sample analysis of ore with fusion method
using WD-XRF analysis, this method
eliminates the heterogeneities resulting
from grain size and — mineralogy
characteristic, for accurate analysis result.
PT Position also applied AAOC system for
reliability of analysis result by determining
precision, accuracy and bias.
Page 2 OCR 0.929
PT HARUM ENERGY Tbk.

Exploration Party

The exploration activities were conducted by PT
Position team, together with third party for

Ph Deutsche Bank Building, 9th Floor
HARUM (G) energy Jl. Imam Bonjol 80, Jakarta Pusat 10310 - Indonesia
Tel. (62-21) 39831288 Fax. (62-21) 39831289
C. Pelaksana Eksplorasi Cc.
Kegiatan eksplorasi dilakukan oleh tim
eksplorasi PT Position, bersama dengan pihak
ketiga untuk kegiatan pemboran dan

E.

laboratorium independen untuk analisa conto.

Hasil Aktivitas Eksplorasi D.

PT Position telah menyelesaikan kegiatan
pengeboran coring sebanyak 886 titik
pengeboran selama tahun 2025, dengan total
kedalaman pengeboran 20.346 meter. Hal
tersebut sudah termasuk hasil aktivitas
eksplorasi pada periode Triwulan IV Tahun
2025, yaitu kegiatan pengeboran coring
sebanyak 246 titik pengeboran, dengan total
kedalaman pengeboran 4.401 meter. Dari hasil
aktivitas eksplorasi tersebut sepanjang tahun
2025, PT Position telah mengirimkan ke pihak
laboratorium untuk dilakukan analisa conto
sebanyak 25.746 sampel yang terdiri dari
sampel original dan sampel guality control.

Biaya Eksplorasi E.

Total biaya ekplorasi PT Position selama tahun
2025 mencapai sekitar Rp 33,34 milyar, dimana
sekitar 2096 dari jumlah tersebut merupakan
biaya eksplorasi periode Triwulan IV Tahun
2025.

Rencana Tindak Lanjut F.

Rencana eksplorasi untuk periode Triwulan |
Tahun 2026 masih difokuskan untuk
melanjutkan kegiatan pengeboran infill dengan
spasi 25 mx 25 m di Blok Maba 1 pada lokasi
sekitar area penambangan saat ini.

drilling and independent laboratories for
sample analysis.

Exploration Activities Result

PT Position has completed 886 holes of coring
drilling throughout 2025, with a total drilling
depth of 20,346 meter. It includes exploration
activities result for the period of Auarter IV of
2025, namely coring drilling activities of 246
drilling holes, with a total drilling depth of 4,401
meter. From such exploration activities
throughout 2025, PT Position has delivered to
laboratories party for sampling analysis of
25,746 samples, consisting of original sample
and guality control sample.

Exploration Costs

Total exploration costs of PT Position
throughout 2025 has reached approximately
Rp33.34billion, where approximately 2045 of
such amount constitutes exploration costs for
the period of Ouarter IV Of 2025.

Further Actions

The exploration plan for the period of Ouarter |
of 2026 remains focus on the continuation of
infill drilling activities with 25 m x 25 m spacing
in Blok Maba 1 in the surrounding area of
existing mines.

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