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20260410_HRUM_Laporan Bulanan Aktivitas Eksplorasi_32069619_lamp1.pdf

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Page 1 OCR 0.935
PT HARUM ENERGY Tbk.

HARUM @energy

Deutsche Bank Building, 9th Floor
Jl. Imam Bonjol 80, Jakarta Pusat 10310 — Indonesia

Tel. (62-21) 39831288 Fax. (62-21) 39831289

LAPORAN EKSPLORASI
Periode Triwulan I Tahun 2026

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 periode Triwulan I Tahun 2026, 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 Ouarter | of 2026

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

During the first guarter of 2026, 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 HA
method with 25 mx25 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 OAOC system for
reliability of analysis result by determining
precision, accuracy and bias.
Page 2 OCR 0.934
HARUM Genergy

E

PT HARUM ENERGY Tbk.
Deutsche Bank Building, 9th Floor
Jl. Imam Bonjol 80, Jakarta Pusat 10310 — Indonesia

Tel. (62-21) 39831288 Fax. (62-21) 39831289

Pelaksana Eksplorasi

Kegiatan eksplorasi dilakukan oleh tim
eksplorasi PT Position, bersama dengan pihak
ketiga untuk kegiatan pemboran dan
laboratorium independen untuk analisa conto.

Hasil Aktivitas Eksplorasi

Selama periode triwulan 1 Tahun 2026, PT
Position telah menyelesaikan kegiatan
pengeboran coring sebanyak 239 titik, dengan
total kedalaman pengeboran 5.245 meter. Dari
hasil aktivitas eksplorasi tersebut, PT Position
telah mengirimkan ke pihak laboratorium untuk
dilakukan analisa conto sebanyak 6.571 sampel
yang terdiri dari sampel original dan sampel
guality control.

Biaya Eksplorasi

Total biaya eksplorasi PT Position selama
periode triwulan 1 tahun 2026 mencapai sekitar
Rp 13,10 milyar.

Rencana Tindak Lanjut

Rencana eksplorasi untuk periode Triwulan II
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.

E.

Exploration Party

The exploration activities were conducted by PT
Position team, together with third party for
drilling and independent laboratories for
sample analysis.

Exploration Activities Result

During the first guarter of 2026, PT Position has
completed 239 holes, with a total drilling depth
of 5,245 meter. From these exploration
activities, PT Position has delivered to
laboratories party for sampling analysis of 6,571
samples, consisting of original sample and
guality control sample.

Exploration Costs

Total exploration costs of PT Position during the
first guarter of 2026 reached approximately
Rp13.10billion.

Further Actions

The exploration plan for the period of Ouarter II
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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