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PT Bumi Resources Minerals Tbk.
Bakrie Tower, 6 & 10th Floor
Komplek Rasuna Epicentrum
Jl. H.R. Rasuna Said, Kuningan
Jakarta Selatan 12940
Indonesia
T +62 21 5794 5698
F +62 21 5794 5687
www.bumiresourcesminerals.com
LAPORAN TENTANG AKTIVITAS EKSPLORASI
OLEH ANAK PERUSAHAAN PT BUMI RESOURCES MINERALS TBK.
(REPORT ON EXPLORATION ACTIVITIES
BY SUBSIDIARIES OF PT BUMI RESOURCES MINERALS TBK.)
I. PT Citra Palu Minerals
Nama Perusahaan : PT Citra Palu Minerals (“PT CPM”)
(Name of Company)
Tahap Kegiatan KK : Operasi Produksi (Production Operation)
(Phase of Activity of Contract of Work)
Laporan Eksplorasi Periode : April - Juni (April – June) 2026
(Period of Exploration Report)
A. Daerah Eksplorasi Exploration Areas
1. Blok I, Sulawesi Tengah (Operasi Produksi) 1. Block I, Central Sulawesi (Operation
Production)
2. Blok II, Sulawesi Selatan (Eksplorasi) 2. Block II, South Sulawesi (Exploration)
3. Blok IV, Sulawesi Tengah (Eksplorasi) 3. Block IV, Central Sulawesi (Exploration)
4. Blok V, Sulawesi Tengah (Eksplorasi) 4. Block V, Central Sulawesi (Exploration)
5. Blok VI, Sulawesi Tengah (Eksplorasi) 5. Block VI, Central Sulawesi (Exploration)
B. Biaya Eksplorasi Exploration Cost
762.196 Dolar AS USD 762,196
C. Bentuk Kegiatan Eksplorasi Form of Exploration Activities
1. Melanjutkan kegiatan pengeboran sumber 1. Continued resource drilling activities in Block I
daya di Blok I Poboya dengan total kedalaman Poboya, with a cumulative drilled depth of
pengeboran mencapai 119.459,75-meter dan 119,459.75 m and a total of 601 drill holes
jumlah 601 titik bor, yang terdiri atas 3 titik completed to date, including 3 hydrogeological
bor hidrogeologi dan 13 titik bor geoteknik. drill holes and 13 geotechnical drill holes. As of
Hingga akhir Juni 2026, terdapat 5 titik bor the end of June 2026, drilling activities were
yang masih dalam proses pengeboran. ongoing at 5 drill holes.
2. Total sebanyak 1.737 sampel batuan dan 2. A total of 1,737 rock samples and 1,460 soil
1.460 sampel tanah yang berasal dari kegiatan samples from geological mapping activities in
pemetaan geologi di area Blok IV telah Block IV area have been sent to the internal
dikirimkan ke Laboratorium internal dan PT laboratory and PT Geoservices Laboratory for
Geoservices untuk analisis geokimia. geochemical analysis.
3. Total sebanyak 504 sampel batuan dan 146 3. A total of 504 rock samples and 146 stream
sampel stream sediment yang berasal dari sediment samples from geological mapping
kegiatan pemetaan geologi di area Blok V activities in Block V area have been sent to the
telah dikirimkan ke Laboratorium internal dan internal laboratory and PT Geoservices
PT Geoservices untuk analisis geokimia. Laboratory for geochemical analysis.
4. Total sebanyak 559 sampel batuan yang 4. A total of 559 rock samples from geological
berasal dari kegiatan pemetaan geologi di area mapping activities in Block VI area have been
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Blok VI telah dikirimkan ke Laboratorium sent to the internal laboratory and PT
internal dan PT Geoservices untuk analisis Geoservices Laboratory for geochemical
geokimia. analysis.
5. Melakukan pengiriman sampel inti bor untuk 5. Carried out geochemical analysis from drill
analisis geokimia Fire Assay (Au), ICP OES (Ag, core samples Fire Assay (Au), ICP OES (Ag, Cu,
Cu, Pb, Zn, As, Sb, Mo), Hg, dan analisis AAT Pb, Zn, As, Sb, Mo), Hg, and AAT (Acid Mine
(Air Asam Tambang) ke Laboratorium PT Drainage) analysis by PT Geoservices
Geoservices. Laboratory.
6. Melakukan pengiriman sampel batuan untuk 6. Carried out geochemical analysis from rock
analisis geokimia (Au + ICP MS 42 multi samples Au + ICP-MS 42 multi-element
elemen) ke Laboratorium PT Geoservices serta combination) to PT Geoservices Laboratory, as
analisis geokimia (kombinasi Au, Ag, Cu dan well as geochemical analysis (Au, Ag, Cu
Aqua Regia Digest) ke Laboratorium PT CPM. combination using Aqua Regia Digest method)
to PT CPM Laboratory.
D. Pihak-Pihak yang Terlibat Involved Parties
1. Laboratorium PT CPM 1. Internal PT CPM Laboratory
2. PT Sumagud Sapta Sinar 2. PT Sumagud Sapta Sinar
3. PT Minera Nusa Drillindo 3. PT Minera Nusa Drillindo
4. Laboratorium PT Geoservices 4. PT Geoservices Laboratory
5. Laboratorium PT Intertek Utama Services 5. PT Intertek Utama Services Laboratory
6. Bureau Veritas Indonesia 6. Bureau Veritas Indonesia
7. PT SN Cargo 7. PT SN Cargo
E. Metode Pengujian dan Pemilihan Areal Testing Method and Selection Area
1. AAS 1. AAS
2. Specific Gravity 2. Specific Gravity
3. Fire Assay 3. Fire Assay
4. Aqua Regia Digest 4. Aqua Regia Digest
5. Hg Analisis 5. Hg Analysis
6. ICP OES (Ag, Cu, Pb, Zn, As, Sb, Mo) 6. ICP OES (Ag, Cu, Pb, Zn, As, Sb, Mo)
7. ICP MS 42 unsur 7. ICP MS 42 elements
8. Analisis Air Asam Tambang 8. ARD Test
F. Kemajuan Eksplorasi Terhadap Kegiatan Triwulan Exploration Progress toward the Preceding
Sebelumnya Quarter Activities
1. Pengeboran sumber daya di Prospek River 1. Resources drilling program in River Reef-
Reef - Watuputih Blok I Poboya dilakukan Watuputih Prospect Block I Poboya was
dengan menggunakan 5 rig. Terdapat conducted using 5 rigs. There are 13
penambahan 13 titik bor dan jumlah additional drill holes with total depth of
kedalaman 4.385,9m dari periode 4,385.9m from previous period.
sebelumnya.
2. Penambahan jumlah sampel sebanyak 2,363 2. Additional 2,363 drill core samples from River
sampel dari hasil pengeboran Prospek River Reef - Watuputih Prospect of Block I Poboya
Reef- Watuputih Blok I Poboya yang dikirim drilling program have been sent to PT
ke Laboratorium PT Geoservices untuk Geoservices Laboratory to be analyzed (Au,
dianalisis geokimia (Au, Ag, Cu, Pb, Zn, As, Ag, u, Pb, Zn, As, Sb, Mo, Hg), and 51 umpire
Sb, Mo, Hg), serta 51 sampel umpire yang samples sent to PT Intertek Utama Services
dikirim ke Laboratorium PT Intertek Utama Laboratory for Au-Ag assay.
Services untuk dianalisis Au-Ag.
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3. Total sebanyak 125 sampel batuan yang 3. A total of 125 rock samples from geological
berasal dari kegiatan pemetaan geologi di mapping activities in Malulu area, Block IV
area Malulu Blok IV telah dikirimkan ke have been sent to PT Geoservices Laboratory
Laboratorium PT Geoservices untuk analisis for geochemical analysis.
geokimia.
4. Total sebanyak 274 sampel batuan yang 4. A total of 274 rock samples from geological
berasal dari kegiatan pemetaan geologi di mapping activities at Moutong area, Block V
area Moutong Blok V telah dikirimkan ke have been sent to PT Geoservices Laboratory
Laboratorium PT Geoservices untuk analisis for geochemical analysis.
geokimia.
5. Total sebanyak 157 sampel batuan yang
5. A total of 157 rock samples from geological
berasal dari kegiatan pemetaan geologi di
mapping activities at Roto area, Block VI have
area Roto Blok VI telah dikirimkan ke
been sent to PT Geoservices Laboratory for
Laboratorium PT Geoservices untuk analisis
geochemical analysis.
geokimia.
G. Rencana Selanjutnya Next Plan
1. Melanjutkan kegiatan pengeboran di Prospek 1. Continue resources drilling program in River
River Reef – Watuputih, Blok I Poboya Reef-Watuputih Prospect of Block I Poboya
dengan tujuan untuk menambah sumber with objectives to increase resources in River
daya di Prospek River Reef - Watuputih. Reef-Watuputih Prospect.
2. Melanjutkan pemetaan geologi detil di Blok I, 2. Continue detailed geological mapping in
Blok IV, Block V, dan Blok VI. Block I, Block IV, Block V, and Block VI areas.
3. Melakukan kegiatan survey airborne 3. Conducting airborne eloctromagnetic survey
elektromagnetik yang meliputi Blok I covering Block I
H. Hambatan Eksplorasi Barriers to Exploration
Kegiatan penambangan tanpa izin (PETI) oleh Illegal mining activites
masyarakat sekitar
I. Perizinan/ Persetujuan Baru Yang Diperoleh New Permits/Approvals Acquired
Tidak ada persetujuan baru yang diperoleh pada No new permits/ approvals acquired during this
periode ini. period
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II. PT Dairi Prima Mineral
Nama Perusahaan : PT Dairi Prima Mineral
(Name of Company)
Tahap Kegiatan KK : Operasi Produksi (Production Operation)
(Phase of Activity of Contract of
Work)
Laporan Eksplorasi Bulan : April - Juni (Apr-Jun) 2026
(Monthly Exploration Report)
A. Daerah Eksplorasi Exploration Areas
Kegiatan eksplorasi pada Prospek Anjing Hitam Filed exploration activities on Anjing Hitam
sudah selesai dilakukan dan saat ini prospek Prospect has already been completed. The
tersebut memasuki tahap Operasi Produksi. prospect currently is in Operation and Production
stage.
Selain Prospek Anjing Hitam, di dalam wilayah Beside Anjing Hitam Prospect, there are some
Kontrak Karya DPM masih terdapat prospek- other prospect areas within DPM Contract of
prospek lainnya dengan tahap kegiatan yang Work tenement. The prospects work progress are
berbeda-beda dari eksplorasi regional hingga in different stages, range from regional
pengeboran deliniasi sumberdaya. exploration to delineation resource drilling.
Salah satu prospek yang paling maju Lae Jehe Prospect is the most advantage
pengerjaannya adalah Prospek Lae Jehe yang exploration activities. This prospect is situated
terletak sekitar 200 meter di sebelah baratlaut approximately 200 meters toward northwest
Prospek Anjing Hitam. Prospek ini sudah memasuki from Anjing Hitam Prospect. This prospect work
tahap pengeboran deliniasi sumberdaya dan masih stage is in resource delineation drilling and will
akan dikembangkan hingga didapatkan be developed to get final mineral resource value
sumberdaya mineral dengan klasifikasi terukur dan with dominant measured and indicated mineral
tertunjuk yang lebih dominan. resources classification.
B. Biaya Eksplorasi Exploration Costs
22.307,27 Dollar AS USD 22,307.27
C. Bentuk Kegiatan Eksplorasi Form of Exploration Activities
Selama bulan April hingga Juni 2026 tidak ada During April to June 2026 there is no exploration
kegiatan eksplorasi. activities.
B Pihak-Pihak yang Terlibat Parties Involved
- -
E. Metode Pengujian dan Pemilihan Areal Testing Method and Selection of Area
- -
F. Kemajuan Eksplorasi Terhadap Bulan sebelumnya Exploration Progress relative to Preceding
Month’s Activities
- -
G. Rencana Pengeboran Selanjutnya Next Drilling Plan
- Penambahan titik bor di Prospek Lae Jehe dan - Infill drilling in Lae Jehe and Basecamp
Basecamp Prospect
H. Hambatan Eksplorasi Barriers to Exploration
- -
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I. Perizinan / Persetujuan Baru Yang Diperoleh New Permits / Approvals Acquired
• Tahap kegiatan PT DPM disesuaikan menjadi • PT DPM work activity has already been
Tahap Operasi Produksi berdasarkan Surat adjusted became Operation Production Phase
Keputusan Menteri Energi dan Sumber Daya based on Decree of Energy and Mineral
Mineral No. 456.K/30/DJB/2017. Resources Minister No. 456.K/30/DJB/2017.
• Persetujuan RKAB untuk Tahun 2024-2026 • DPM 2024-2026 work plan approval (RKAB)
Nomor: T-1793/MB.04/DJB.M/2024 tanggal 14 No. T-1793/MB.04/DJB.M/2024, 14 October
Oktober 2024. 2024.
• Persetujuan Tekno-Ekonomi Dokumen Revisi • Techno-Economic Approval of the Revised
Studi Kelayakan Kontrak Karya PT Dairi Prima Feasibility Study Document for PT Dairi Prima
Mineral berdasarkan Surat Persetujuan No. T- Mineral's Work Contract based on Approval
1137/MB.04/DBM.PE/2025 pada tanggal 7 Letter No. T-1137/MB.04/DBM.PE/2025 on
Oktober 2025. October 7, 2025.
• Persetujuan Amdal No. 1437 pada tanggal 13 • Approval of Amdal No. 1437 on March 13,
Maret 2026. 2026.
• Persetujuan Akhir Laporan Studi Kelayakan PT • Final Approval of PT Dairi Prima Mineral
Dairi Prima Mineral Nomor T- Feasibility Study Report Number T-
1273/MB.04/DJB/2026 pada tanggal 10 Juni 1273/MB.04/DJB/2026 on June 10, 2026.
2026.
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III. PT Gorontalo Minerals
Nama Perusahaan : PT Gorontalo Minerals (“PT GM”)
(Name of Company)
Tahap Kegiatan KK : Operasi Produksi (Production Operation)
(Phase of Activity of Contract of Work)
Laporan Eksplorasi Bulan : April - Juni (Apr-Jun) 2026
(Monthly Exploration Report)
A. Daerah Eksplorasi Exploration Areas
1. Kompleks Cabang Kiri, Blok I (Tombulialto), 1. Cabang Kiri Complex, Block I (Tombulilato),
Gorontalo Gorontalo
2. Prospek Motomboto East, Blok I 2. Motomboto East prospect, Block I
(Tombulilato), Gorontalo (Tombulilato), Gorontalo
3. Area Gunung Lintah, Blok I (Tombulilato), 3. Gunung Lintah Area, Blok I (Tombulilato),
Gorontalo Gorontalo
4. Prospek Cabang Kanan, Blok I (Tombulialto), 4. Cabang Kanan Prospect, Block I (Tombulilato),
Gorontalo Gorontalo
5. Prospect Motomboto West, Blok I 5. Motomboto West Prospect, Blok I
(Tombulilato), Gorontalo (Tombulilato), Gorontalo
B. Biaya Eksplorasi Exploration Costs
2.123.142,43 Dolar AS USD 2,123,142.43
C. Bentuk Kegiatan Eksplorasi Form of Exploration Activities
1. Melakukan pengeboran sumberdaya, 1. Conducting resource-scout drilling,
pemboran scout, studi geotek di area geotechnical studies in the Cabang Kiri
Kompleks Cabang Kiri, Blok I Tombulilato Complex, Block I Tombulilato, with current
dengan total kedalaman pengeboran saat drilling progress 27,837.8 metres and 37 drill
ini 27.837,8 meter dan telah melakukan holes have been completed.
pemboran sebanyak 37 lubang bor.
2. Melanjutkan pemetaan geologi dan 2. Continuing geological mapping and surface
pengambilan sampel batuan permukaan di rock sampling in the Gunung Lintah Area,
Area Gunung Lintah, Prospek Cabang Cabang Kanan Prospect, Motomboto East
Kanan, Prospek Motomboto East, dan Prospect, and Motomboto West Prospect.
Prospek Motomboto West.
3. Total sampel pengeboran Prospek Cabang 3. A total of 11,990 core samples from Cabang
Kiri Kompleks, Blok I Tombulilato sebanyak Kiri East Prospect area, Block I Tombulilato
11.990 conto inti bor telah dikirimkan ke have been sent to the PT Geoservices
Laboratorium PT Geoservices untuk analisis Laboratory for geochemical analysis.
geokimia.
4. A total of 3,050 surface rock samples from
4. Total sampel batuan permukaan sebanyak Sungai Mak Prospek Complex, Kayubulan
3.050 sampel dari Prospek Sungai Mak, Prospect, Gunung Lintah Area, Motomboto
Prospek Kayubulan, Area Gunung Lintah, East Prospect, Motomboto West Prospect,
Prospek Motomboto East, Prospek Mono Area and Cabang Kiri Complex, Block I
Motomboto West, Area Mono dan Tombulilato have been sent to PT Geoservices
Kompleks Cabang Kiri, Blok I Tombulilato Laboratory for geochemical analysis.
yang telah dikirimkan ke Laboratorium PT
Geoservices untuk analisis geokimia.
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5. Total sampel tanah sebanyak 2.072 sampel 5. A total of 2,072 soil samples from Sungai Mak
dari Prospek Sungai Mak, Prospek Prospect Complex, Kayubulan Prospect,
Kayubulan, Area Gunung Lintah, Area Gunung Lintah Area, Mono Area and Cabang
Mono dan Kompleks Cabang Kiri, Blok I Kiri Complex, Block I Tombulilato have been
Tombulilato telah dikirimkan ke sent to PT Geoservices Laboratory for
Laboratorium PT Geoservices untuk analisis geochemical analysis.
geokimia.
6. Melakukan Studi domain Geometalurgi 6. Conducted a Geometallurgical domain Study
untuk prospek Motomboto in Motomboto prospect.
7. Memulai proses peninjauan area PIPPIB dan 7. Starting review process for the PIPPIB area and
pengajuan PPKH eksplorasi. submit the application for exploration PPKH.
D. Pihak-Pihak yang Terlibat Parties Involved
1. PT Minera Nusa Drillindo. 1. PT Minera Nusa Drillindo.
2. Laboratorium PT Geoservices. 2. PT Geoservices Laboratory.
3. Laboratorium Geomekanika ITB. 3. Laboratorium Geomekanika ITB.
4. Laboratorium Bureau Veritas Indonesia 4. Laboratorium Bureau Veritas Indonesia
5. PT. GeoFix Indonesia 5. PT. GeoFix Indonesia
6. Panda Geoscience 6. Panda Geoscience
E. Metode Pengujian dan Pemilihan Areal Testing Method and Selection of Area
- -
F. Kemajuan Eksplorasi Terhadap Kegiatan Exploration Progress toward Previous Quarter’s
Triwulan Sebelumnya Activities
1. Kemajuan aktivitas pengeboran sumberdaya 1. The progress of resource drilling in the Cabang
di area Prospek Cabang Kiri East, Blok I Kiri East Prospect area, Block I Tombulilato
Tombulilato mencakup pengeboran included the addition of 9 holes with total
sejumlah 9 lubang bor dengan total depth of 4,358.6 metres.
kedalaman 4.358,6 meter.
2. Kemajuan aktivitas pengeboran scout di 2. The progress of scout drilling in the Cabang
area Prospek Cabang Kiri North, Blok I Kiri East Prospect area, Block I Tombulilato
Tombulilato mencakup pengeboran included the addition of 1 hole with total
sejumlah 1 lubang bor dengan total depth of 250.0 metres.
kedalaman 250,0 meter.
3. Kemajuan aktivitas pengeboran scout di 3. The progress of scout drilling in the Cabang
area Prospek Cabang Kiri South Ridge, Blok I Kiri South Ridge Prospect area, Block I
Tombulilato mencakup pengeboran Tombulilato included the addition of 4 holes
sejumlah 4 lubang bor dengan total with total depth of 1,565.7 metres.
kedalaman 1.565,7 meter.
4. Penambahan jumlah sampel sebanyak 2.120 4. An additional 2,120 samples from the drilling
sampel dari hasil pengeboran pada Cabang result at Cabang Kiri Complex, Block I
Kiri Kompleks, Blok I Tombulilato yang Tombulilato have been sent to the Geoservices
dikirim ke Laboratorium PT Geoservices Laboratory for analysis.
untuk dianalisis.
5. Penambahan jumlah sampel batuan 5. An additional 118 surface rock samples from
permukaan sebanyak 118 sampel dari the Kayubulan Prospect, and Gunung Lintah
Prospek Kayubulan dan Area Gunung Area, Block I Tombulilato have been sent to PT
Lintah, Blok I Tombulilato yang telah Geoservices Laboratory for geochemical
dikirimkan ke Laboratorium PT Geoservices analysis during this period.
untuk analisis geokimia dalam periode ini.
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6. Pengujian metalurgi untuk memenuhi syarat 6. Metallurgical testwork undertaken to support
Pengajuan Pertek LB3 pada proses the Technical Approval (Pertek) for LB3
compliance Heap Leach Project Motomboto compliance under the Motomboto Heap Leach
sudah selesai dilakukan, dan SK Pertek LB3 Project has been completed. Following
sudah diterbitkan oleh KLHK pada bulan submission of the technical documentation,
Juni 2026. the LB3 Technical Approval Decree (SK Pertek
LB3) was officially issued by the Ministry of
Environment and Forestry (KLHK) in June
2026.
7. Pembuatan domain geometalurgi sebagai 7. Conducted geometallurgy domain study for
persiapan Pengujian Komprehensif the Comprehensive Metallurgical Testwork
Metalurgi yang akan dilakukan setelah Program to be undertaken upon completion of
Program Pengeboran Metalurgi di Q4-2026. the Metallurgical Drilling Program in Q4 2026.
8. Melakukan studi petrografi dan mineragrafi 8. Conduct petrographic and mineralographic
untuk mineralisasi porphyry Cabang Kiri. studies of the Cabang Kiri porphyry
mineralization
G. Rencana Selanjutnya Next Plan
1. Melanjutkan pengeboran sumberdaya, studi 1. Continuing resource drilling, geotechnical and
geotek, hidrogeologi, dan scout di hydrogeological studies, and scout
Kompleks Cabang Kiri, Blok I Tombulilato. exploration in the Cabang Kiri Complex, Block
I Tombulilato.
2. Melanjutkan kegiatan pemetaan geologi 2. Continuing geological mapping and surface
dan pengambilan sampel batuan rock sampling in Motomboto East Prospect
permukaan di Motomboto East dan and Motomboto West Prospect, Block I
Motomboto West, Blok I Tombulilato. Tombulilato.
3. Melakukan pengujian metalurgi secara 3. Conduct comprehensive metallurgical
komprehensif berdasarkan hasil domaining testwork based on the ore domains classified
Tim Geodev dan Tim Metalurgi pada sampel by the Geodev and Metallurgy teams, to
dari beberapa lubang bor metalurgi yang produce representative samples from selected
akan diperoleh melalui program pengeboran metallurgical drill holes to be obtained
metalurgi pada Q4-2026. through the Metallurgy Drilling Program
scheduled for Q4 2026. 4.
4. Melakukan pemilihan lokasi titik bor dan 4. Conducting selection of drilling locations and
sample berdasarkan hasil assessment dan representative metallurgical samples based on
redomaining untuk dilakukan pengujian the geological assessment and re-domaining
metalurgi lanjutan. for advanced metallurgical testwork.
5. Melanjutkan proses peninjauan area PIPPIB 5. Continuing the review process for the PIPPIB
dan pengajuan PPKH eksplorasi. area and the submission of the exploration
PPKH application.
H. Hambatan Eksplorasi Barriers to Exploration
Adanya aktivitas Penambangan Tanpa Izin An Illegal Mining Activity (PETI) in the drilling
(PETI) di area rencana pengeboran Kompleks planned area of Motomboto Complex of Block I
Motomboto, Blok I Tombulilato dan sepanjang Tombulilato and opening area alongside the
jalur bukaan jalan perintis. pioneering road construction
I. Perizinan/Persetujuan Baru Yang Diperoleh New Permits/Approvals Acquired
1. Persetujuan Akhir Studi Kelayakan 1. Final Approval of the Feasibility Study for Gold
Pertambangan Emas PT Gorontalo Minerals, Mining by PT Gorontalo Minerals, No. T-
No. T-1057/MB.04/DJB/2026 tertanggal 5 1057/MB.04/DJB/2026 dated May 5, 2026.
Mei 2026.
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2. Persetujuan Teknis di Bidang Pengelolaan 2. Technical Approval in the Field of Hazardous Limbah B3 Untuk Kegiatan Penimbunan Waste Management for Hazardous Waste Limbah B3 Untuk Penghasil PT Gorontalo Stockpiling Activities for Producer PT Gorontalo Minerals, No. B.433/G/PLB.5.3/06/2026 Minerals, No. B.433/G/PLB.5.3/06/2026 dated tertanggal 8 Juni 2026. June 8, 2026.
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IV. PT Linge Mineral Resources
Nama Perusahaan : PT Linge Mineral Resources (“PT LMR”)
(Name of Company)
Tahap Kegiatan IUP : Eksplorasi (Exploration)
(Phase of Activity of Mining Permit)
Laporan Eksplorasi Periode : April – Juni (Apr-Jun) 2026
(Period of Exploration Report)
A. Daerah Eksplorasi Exploration Areas
1. Prospek Bulan (Proyek Abong) 1. Bulan Prospect (Abong Project)
2. Prospek Bintang 1 (Proyek Abong) 2. Bintang 1 Prospect (Abong Project)
3. Prospek Bintang 2 (Proyek Abong) 3. Bintang 2 Prospect (Abong Project)
4. Eksplorasi Regional diluar Proyek Abong 4. Regional Exploration outside Abong Project
B. Biaya Eksplorasi Exploration Costs
217.833,74 Dolar AS USD 217.833,74
C. Bentuk Kegiatan Eksplorasi Form of Exploration Activities
1. Studi Lanjutan Geoteknik dan Metalurgi di 1. Advanced Geotechnical and Metallurgical
Prospek Bulan dan Bintang untuk Studies at the Bulan and Bintang Prospects for
pemutakhiran data teknis. updating technical data study.
2. Melakukan pengiriman 1168 sampel tanah 2. Delivery of 1168 soil samples to PT
ke Laboratorium PT Geoservices untuk Geoservices Laboratory for geochemical
analisis geokimia. analysis.
3. Melakukan pengiriman 907 sampel batuan 3. Delivery of 907 rock chip samples to PT
ke Laboratorium PT Geoservices untuk Geoservices Laboratory for geochemical
analisis geokimia. analysis.
4. Melakukan pengiriman 2693 sampel 4. Delivery of 2693 drill core samples to PT
batuan inti ke Laboratorium PT Geoservices Geoservices Laboratory for geochemical
untuk analisis geokimia. analysis.
5. Melakukan pengiriman sampel ke 5. Delivery of samples to PT Jinpeng (China)
Laboratorium PT Jinpeng (China) untuk uji Laboratory for preliminary metallurgical
metalurgi pendahuluan. analysis.
D. Pihak-Pihak yang Terlibat Parties Involved
1. PT Bahtera Ratu Engineering 1. PT Bahtera Ratu Engineering
2. PT Geoservices 2. PT Geoservices
3. PT Namsuma Luban Abadi 3. PT Namsuma Luban Abadi
4. Yantai Jinpeng Mining Machinery Co. Ltd. 4. Yantai Jinpeng Mining Machinery Co. Ltd.
5. PT Jarvis Sinergi Yasa (Geotek-hidro studi) 5. PT Jarvis Sinergi Yasa (Geotech-hydro study)
E. Metode Pengujian dan Pemilihan Areal Testing Method and Selection of Area
- Fire Assay - Fire Assay
- ICP OES 4 Acid Trace - ICP OES 4 Acid Trace
- Uji Pulverized Bottle Roll Testwork - Pulverized Bottle Roll Testwork
Page 11
F. Kemajuan Eksplorasi Terhadap Kegiatan Exploration Progress toward Previous Quarter’s
Triwulan Sebelumnya Activities
1. Finalisasi laporan Studi Sinkhole, 1. Finalization of Sinkhole, Geotechnical,
Geoteknik, Hidrologi, dan Hidrogeologi Hydrological, and Hydrogeological Study
yang disusun oleh konsultan PT Jarvis Reports prepared by consultant PT Jarvis
Sinergi Yasa. Sinergi Yasa.
2. Penambahan jumlah sampel tanah 2. An additional 632 soil samples were collected
sebanyak 632 sampel yang dikirim ke and sent to PT Geoservices Laboratory for
Laboratorium PT Geoservices dalam geochemical analysis during this period.
periode ini.
3. Penambahan jumlah sampel batuan 3. An additional 67 surface rock chip samples
sebanyak 67 sampel yang dikirim ke were collected and sent to PT Geoservices
Laboratorium PT Geoservices dalam Laboratory for geochemical analysis during this
periode ini. period.
4. Penambahan jumlah sampel batuan inti 4. An additional 150 drill hole samples were
sebanyak 150 sampel yang dikirim ke collected and sent to PT Geoservices
Laboratorium PT Geoservices dalam Laboratory for geochemical analysis during this
periode ini. period.
5. Finalisasi laporan uji metalurgi detail 5. Finalization report of detailed metallurgical
sampai metode pengolahan dari data testing up to processing methods using drilling
pengeboran menggunakan jasa Yantai data, conducted by Yantai Jinpeng Mining
Jinpeng Mining Machinery Co. Ltd. Machinery Co. Ltd.).
G. Rencana Selanjutnya Next Plan
1. Pengurusan ijin Operasi Produksi. 1. Proposed new Operation Production Permit.
2. Melanjutkan kegiatan pemetaan geologi 2. Continuation of detailed and semi-detailad
detil dan semi detil di area anomali geological mapping at the Penarun anomaly
Penarun dan sekitarnya. and its surrounding area.
3. Melakukan pengiriman sampel batuan dan 3. Delivery of surface rock and soil samples to PT
sampel tanah permukaan ke Laboratorium Geoservices Laboratory for geochemical
PT Geoservices untuk analisis geokimia. analysis.
4. Melakukan uji metalurgi detail sampai 4. Conduct detailed metallurgical testing up to
metode pengolahan dari data pengeboran. processing methods using drilling data.
H. Hambatan Eksplorasi Barriers to Exploration
1. Adanya aktivitas Penambangan Tanpa Izin 1. Illegal Mining (PETI) activities in Bulan Prospect
(PETI) di Prospek Bulan dan Sungai Utama. and Main River
2. Akses ke area proyek yang terbatas akibat 2. Limited access to project site due to Force
keadaan kahar (Force Majeure) berupa Majeure conditions due to flashflood and
bencana alam banjir bandang dan tanah landslide disaster occurred in Central Aceh and
longsor yang melanda Aceh Tengah dan surrounding areas in 2025.
sekitarnya ditahun 2025
I. Perizinan/Persetujuan Baru Yang Diperoleh New Permits/Approvals Acquired
- -
Page 12
V. PT Suma Heksa Sinergi
Nama Perusahaan : PT Suma Heksa Sinergi (“PT SHS”)
(Name of Company)
Tahap Kegiatan IUP : Operasi Produksi (Production Operation)
(Phase of Activity of Mining Permit)
Laporan Eksplorasi Periode : April - Juni (Apr-Jun) 2026
(Period of Exploration Report)
A. Daerah Eksplorasi Exploration Areas
1. Prospek Cisadang Central 1. Cisadang Central Prospect
2. Regional North Pasir Karang 2. Regional of North Pasir Karang
3. Regional Northeast Gember 3. Regional of Northeast Gember
4. Regional South Pasir Awi 4. Regional of South Pasir Awi
B. Biaya Eksplorasi Exploration Costs
445.036,47 Dolar AS USD 445.036,47
C. Bentuk Kegiatan Eksplorasi Form of Exploration Activities
1. Total kumulatif pengeboran eksplorasi di 1. As of the reporting period, cummulative
Proyek Kerta hingga periode pelaporan ini exploration drilling at Kerta Project has
mencapai 12.648,90 meter yang terdiri dari reached 12,648.90 meters with comprising
55 lubang bor. total 55 drilholes.
2. Menyelesaikan kegiatan pengeboran di 2. Completed drilling activities at Pasir Karang
prospek Pasir Karang untuk program Prospect for delineation drilling program.
delineasi zona mineralisasi tahap 1.
3. Melakukan pengiriman sampel inti bor 3. Sending a total of 1,911 drill core samples
sejumlah 1.911 conto dari kegiatan from delineation drilling program in Pasir
pemboran deliniasi di prospek Pasir Karang Karang prospect for geochemical analysis
untuk analisa geokimia (Au, Ag) dengan (Au, Ag) with fire assay (FAA40), AuCN
metode fire assay (FAA40), AuCN unsur, Acid elements, Acid Digest and ICP OES Package
Digest dan ICP OES Package 36-40 unsur. 36-40 elements analysis method.
4. Melakukan pengiriman sampel inti bor 4. Sending a total of 2,717 drill core samples
sejumlah 2.717 conto dari kegiatan from drilling program in Cisadang West
pemboran di prospek Cisadang West untuk prospect for geochemical analysis (Au, Ag)
analisa geokimia (Au, Ag) dengan metode with fire assay (FAA40), AuCN elements,
fire assay (FAA40), AuCN unsur, Aqua Regia Aqua Regia Digest and ICP OES Package 36
Digest dan ICP OES Package 36 unsur. elements analysis method.
5. Melanjutkan kegiatan pengeboran di prospek 5. Continuing drilling activities at Cisadang
Cisadang Central untuk melanjutkan Central prospect to continue resource infill
program infill resources. drilling program
6. Memulai kegiatan pemetaan geologi regional 6. Commenced regional geological mapping
dan pengambilan sampel batuan permukaan and surface rock samples in regional
di area eksplorasi South Pasir Awi. exploration areas of South Pasir Awi.
7. Menyelesaikan kegiatan grid soil sampling di7. Completed grid soil sampling at regional
area eksplorasi regional Northeast Gember. exploration area of Northeast Gember
8. Memulai kegiatan grid soil sampling di area 8. Commenced grid soil sampling at regional
eksplorasi regional South Pasir Awi. exploration area of South Pasir Awi.
Page 13
9. Melakukan pengiriman sampel inti bor 9. Sending a total of 8,608 drill core samples
sejumlah 8.608 conto dari kegiatan from resources infill drilling program in
pemboran infill resources di prospek Cisadang Central prospect for geochemical
Cisadang Central untuk analisa geokimia analysis (Au, Ag) with fire assay (FAA40), Au
(Au, Ag) dengan metode fire assay (FAA40), element, Aqua Regia Digest and ICP OES
Au unsur, Aqua Regia Digest dan ICP OES individual elements analysis method.
individual unsur.
10. Total sampel batuan sejumlah 626 conto dari 10. A total of 626 rock samples from regional
area eksplorasi regional Pasir Awi telah exploration of Pasir Awi have been sent to PT
dikirimkan ke Laboratorium PT Geoservices Geoservices Laboratory for geochemical
untuk analisis geokimia. analyis.
11. Total sampel batuan sejumlah 540 conto dari 11. A total of 540 rock samples from regional
area eksplorasi regional Pasir Karang telah exploration of Pasir Karang have been sent
dikirimkan ke Laboratorium PT Geoservices to PT Geoservices Laboratory for
untuk analisis geokimia geochemical analyis.
12. Total sampel batuan permukaan sejumlah 44 12. A total of 44 surface rock samples and 170
conto dan 170 sampel tanah dari area soil samples from regional exploration of
eksplorasi regional North Pasir Karang telah North Pasir Karang have been sent to PT
dikirimkan ke Laboratorium PT Geoservices Geoservices Laboratory for geochemical
untuk analisis geokimia. analysis.
13. Total sampel batuan permukaan sejumlah 21 13. A total of 21 surface rock samples from
conto dari area eksplorasi regional West Pasir regional exploration of West Pasir Awi have
Awi telah dikirimkan ke Laboratorium PT been sent to PT Geoservices Laboratory for
Geoservices untuk analisis geokimia. geochemical analysis.
14. Total sampel batuan permukaan sejumlah 14. A total of 163 surface rock samples from
163 conto dari area eksplorasi regional regional exploration of Northeast Gember
Northeast Gember telah dikirimkan ke have been sent to PT Geoservices Laboratory
Laboratorium PT Geoservices untuk analisis for geochemical analysis.
geokimia.
15. Menyelesaikan finalisasi pengujian metalurgi
15. Completed metallurgical testwork
pada sampel inti bor dari prospek Cisadang
finalization on core samples from Cisadang
Central di Laboratorium Yantai Jinpeng.
Central prospect in Yantai Jinpeng
Laboratory.
16. Menyelesaikan studi geoteknik, geohidrologi 16. Completed geotechnical, geohydrological,
dan air asam tambang pada prospek and acid mine drainage (AMD) studies for
Cisadang Central. Cisadang Central Prospect.
17. Melanjutkan permohonan Persetujuan 17. Continuing the application process for Forest
Penggunaan Kawasan Hutan (PPKH) untuk Area Use Approval (PPKH) for further
eksplorasi lanjutan. exploration.
D. Pihak-Pihak yang Terlibat Parties Involved
1. PT Namsuma Luban Abadi (Drilling 1. PT Namsuma Luban Abadi (Drilling
Contractor) Contractor)
2. Laboratorium PT Geoservices 2. PT Geoservices Laboratorium
3. Yantai Jinpeng Mining Machinery Co., Ltd 3. Yantai Jinpeng Mining Machinery Co., Ltd
4. PT Indomobil Prima Energi 4. PT Indomobil Prima Energi
5. PT. Parama Asha Nirwana 5. PT. Parama Asha Nirwana
6. Laboratorium LAPI ITB 6. LAPI ITB Laboratorium
7. PT. Jarvis Sinergi Yasa 7. PT. Jarvis Sinergi Yasa
Page 14
E. Metode Pengujian dan Pemilihan Areal Testing Method and Selection of Area
- Fire Assay - Fire Assay
- Aqua Regia Digest - Aqua Regia Digest
- Mercury Analysis - Mercury Analysis
- ICP OES individual elemen - ICP OES individual element
- ICP OES package elemen - ICP OES package elemen
- CN Leach - CN Leach
- Specific Gravity - Specific Gravity
- Poin Load Index (PLI) - Poin Load Index (PLI)
F. Kemajuan Eksplorasi Terhadap Kegiatan Exploration Progress toward Previous Quarter’s
Triwulan Sebelumnya Activities
1. Total kumulatif pengeboran eksplorasi di 1. As of the reporting period, cummulative
Proyek Kerta hingga periode pelaporan ini exploration drilling at Kerta Project has
mencapai 1.412,55 meter yang terdiri dari reached 1,412.55 meters with comprising
9 lubang bor. total 9 drilholes.
2. Menyelesaikan kegiatan pemetaan geologi 2. Completed regional geological mapping
regional dan pengambilan sampel batuan and surface rock samples in regional
permukaan di area eksplorasi Northeast exploration areas of Northeast Gember.
Gember.
3. Menyelesaikan kegiatan grid soil sampling 3. Completed grid soil sampling at regional
di area eksplorasi regional Northeast exploration area of Northeast Gember.
Gember.
4. Memulai kegiatan grid soil sampling di area 4. Commenced grid soil sampling at regional
eksplorasi regional South Pasir Awi. exploration area of South Pasir Awi.
5. Total sebanyak 1.856 conto sampel inti 5. A total of 1,856 core samples from the
batuan dari program pengeboran Cisadang drilling at Cisadang Central have been sent
Central telah dikirimkan ke Laboratorium to PT Geoservices Laboratory for
Geoservices untuk dianalisis geokimia. geochemical analysis.
6. Total sampel batuan permukaan sejumlah 6. A total of 32 surface rock samples from
32 conto dari area eksplorasi regional regional exploration of Northeast Gember
Northeast Gember telah dikirimkan ke have been sent to PT Geoservices
Laboratorium PT Geoservices untuk analisis Laboratory for geochemical analysis.
geokimia.
7. Total sampel batuan permukaan sejumlah 7. A total of 62 surface rock samples from
62 sampel dari area eksplorasi regional regional exploration of South Pasir Awi
South Pasir Awi telah dikirimkan ke have been sent to PT Geoservices
Laboratorium PT Geoservices untuk analisis Laboratory for geochemical analysis.
geokimia.
8. Total sampel tanah permukaan sejumlah 36 8. A total of 36 soil samples from regional
sampel dari area eksplorasi regional Pasir exploration of Pasir Karang have been sent
Karang telah dikirimkan ke Laboratorium PT to PT Geoservices Laboratory for
Geoservices untuk analisis geokimia geochemical analysis.
9. Total sampel tanah permukaan sejumlah 9. A total of 248 soil samples from regional
248 sampel dari area eksplorasi regional exploration of Northeast Gember have
Northeast Gember telah dikirimkan ke been sent to PT Geoservices Laboratory for
Laboratorium PT Geoservices untuk analisis geochemical analysis.
geokimia
Page 15
10. Total sampel tanah permukaan sejumlah 10. A total of 164 soil samples from regional
164 sampel dari area eksplorasi regional exploration of South Pasir Awi have been
South Pasir Awi telah dikirimkan ke sent to PT Geoservices Laboratory for
Laboratorium PT Geoservices untuk analisis geochemical analysis.
geokimia.
11. Melanjutkan finalisasi pengujian metalurgi 11. Continuing metallurgical testwork
pada sampel inti bor dari prospek Cisadang finalization on core samples from Cisadang
Central di Laboratorium Yantai Jinpeng. Central prospect in Yantai Jinpeng
Laboratory.
12. Melanjutkan permohonan Persetujuan 12. Continuing the application process for
Penggunaan Kawasan Hutan (PPKH) untuk Forest Area Use Approval (PPKH) for
eksplorasi lanjutan.. further exploration.
G. Rencana Selanjutnya Next Plan
1. Melanjutkan kegiatan pengeboran di 1. Continuing drilling activities at Cisadang
prospek Cisadang Central untuk program Central prospect for infill resources drilling
infill resources. programs.
2. Melanjutkan kegiatan pemetaan geologi dan 2. Continuing geological mapping and rock
pengambilan sampel batuan permukaan di surface sampling in regional exploration area
area eksplorasi regional South Pasir Awi. of South Pasir Awi.
3. Melanjutkan kegiatan grid soil sampling di 3. Continuing grid soil sampling in regional
area eksplorasi regional South Pasir Awi exploration area of South Pasir Awi.
4. Melanjutkan permohonan Persetujuan 4. Continuing the application process for Forest
Penggunaan Kawasan Hutan (PPKH) untuk Area Use Approval (PPKH) for further
eksplorasi lanjutan. exploration.
H. Hambatan Eksplorasi Barriers to Exploration
1. Terdapat tumpang tindih area dengan PT 1. Overlapping with PT Jascleans for micro
Jascleans untuk area pembangkit litrik hydro power plant area around Ciliman River
tenaga micro hydro yang berada disekitar at Cisadang Central prospect area.
Sungai Ciliman di area prospek Cisadang
Central.
2. Terdapat tumpang tindih dan aktifitas 2. There are overlapping and mining activities
penambangan komoditi andesit yang berada for andesite commodities located in Pasir
di area prospek Pasir Karang. Karang prospect area.
I. Perizinan/Persetujuan Baru Yang Diperoleh New Permits/Approvals Acquired
- -
Names mentioned 49 people and organisations named in the text · linked when the evidence is strong
unresolved
org
PT Citra Palu Minerals Nama Perusahaan
p.1
unresolved
org
PT Citra Palu Minerals
· Nama Perusahaan
p.1
unresolved
org
PT Geoservices Laboratory
p.1 ×12
unresolved
org
PT Geoservices
p.1 ×33
unresolved
org
PT Geoservices Geoservices.
p.2
unresolved
org
PT CPM Laboratory. D.
p.2
unresolved
org
PT CPM Laboratory
p.2
unresolved
org
PT Sumagud Sapta Sinar
p.2 ×2
unresolved
org
PT Minera Nusa Drillindo
p.2 ×4
unresolved
org
PT Intertek Utama Services
p.2 ×2
unresolved
org
PT Intertek Utama Services Laboratory
p.2
unresolved
org
PT SN Cargo
p.2
unresolved
org
PT SN Cargo E.
p.2
unresolved
org
PT Intertek Utama
p.2
unresolved
org
PT Geoservices Laboratory Laboratorium
p.3 ×3
unresolved
org
PT Dairi Prima Mineral Nama Perusahaan
p.4
unresolved
org
PT Dairi Prima Mineral
· Nama Perusahaan
p.4 ×2
unresolved
org
PT DPM
p.5 ×2
unresolved
org
Menteri Energi dan Sumber Daya
p.5
unresolved
org
PT Dairi Prima
p.5
unresolved
org
PT Dairi Prima Mineral Dairi
p.5
unresolved
org
PT Gorontalo Minerals Nama Perusahaan
p.6
unresolved
org
PT Gorontalo Minerals
· Nama Perusahaan
p.6 ×4
unresolved
org
PT GM
p.6
unresolved
org
PT Geoservices Laboratorium
p.6 ×6
unresolved
org
PT Geoservices Kompleks Cabang Kiri
p.6
unresolved
org
PT. GeoFix Indonesia
p.7 ×2
unresolved
org
PT Lintah
p.7
unresolved
org
Ministry of Environment and Forestry
p.8
unresolved
org
PT Gorontalo
p.9
unresolved
org
PT Linge Mineral Resources Nama Perusahaan
p.10
unresolved
org
PT Linge Mineral Resources
· Nama Perusahaan
p.10
unresolved
org
PT LMR
p.10
unresolved
org
PT Jinpeng
p.10 ×2
unresolved
org
PT Bahtera Ratu Engineering
p.10 ×2
unresolved
org
PT Namsuma Luban Abadi
p.10 ×4
unresolved
org
Yantai Jinpeng Mining Machinery Co. Ltd.
p.10 ×2
unresolved
org
PT Jarvis Sinergi Yasa
p.10 ×5
unresolved
org
PT Jarvis
p.11
unresolved
org
Yantai Jinpeng Mining Jinpeng Mining Machinery Co. Ltd.
p.11
unresolved
org
Machinery Co. Ltd.
p.11
unresolved
org
PT Suma Heksa Sinergi Nama Perusahaan
p.12
unresolved
org
PT Suma Heksa Sinergi
· Nama Perusahaan
p.12
unresolved
org
PT SHS
p.12
unresolved
org
Yantai Jinpeng Mining Machinery Co., Ltd
p.13 ×2
unresolved
org
PT Indomobil Prima Energi
p.13 ×2
unresolved
org
PT. Parama Asha Nirwana
p.13 ×2
unresolved
org
PT Jascleans
p.15
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