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20260710_DEWA_Laporan Bulanan Aktivitas Eksplorasi_32110868_lamp2.pdf
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LAPORAN TENTANG AKTIVITAS EKSPLORASI
OLEH ANAK PERUSAHAAN PT DARMA HENWA TBK
(EXPLORATION ACTIVITIES REPORT BY SUBSIDIARY of PT DARMA HENWA TBK)
Nama Perusahaan : PT GAYO MINERAL RESOURCES (“PT GMR”)
(Name of Company)
Tahapan Kegiatan IUP : Eksplorasi (Exploration)
(Phase of Activity of Contract Work)
Laporan Eksplorasi Periode : 1 Januari – 30 Juni 2026
(Exploration Report Period)
A Daerah Explorasi Exploration Areas
1. Upper Tengkareng (UT) 1. Upper Tengkareng (UT)
2. Southeast Tengkareng (SET) 2. Southeast Tengkareng (SET)
B Biaya Eksplorasi Exploration Cost
Rp 40,279,979,916 Rp 40,279,979,916
C Bentuk Kegiatan Eksplorasi Exploration Activities
1. Menyelesaikan kegiatan program pengeboran 1. Completed the Phase 2A resource drilling
sumber data fase 2a di Prospek UT pada bulan program at the UT Prospect in February 2026
Februari 2026 dan melanjutkan program and continued with the Phase 2B drilling
pengeboran fase 2b dengan target 10,000 m, program, targeting 10,000 m, including 8
termasuk 3 titik pengeboran geoteknik dan metallurgical drill holes and 3 geotechnical
hidrologi. and hydrological drill holes.
2. Melanjutkan pengiriman conto batuan inti bor 2. Continued the dispatch of drill core samples
untuk analisis geokomia ICP multi elemen to Sucofindo Lab for multi-element ICP
(Cu, Ag, Mo, As, Pb, Zn, dll) dan Fire Assay geochemical analysis, including Cu, Ag, Mo,
untuk Au ke Laboratorium PT Sucofindo. As, Pb, Zn, and other elements, as well as Fire
Pengiriman termasuk sampel untuk program Assay analysis for Au. The dispatch also
regular QAQC sampel protokol. included samples for the routine QAQC
3. Melakukan kajian geologi dan geokimia di sampling protocol.
Prospek UT sebagai dasar pendukung dalam 3. Conducted geological and geochemical
pengembangan model geologi, estimasi studies at the UT Prospect to support
sumber daya mineral, serta studi metalurgi. geological model development, mineral
4. Melanjutkan analisis conto untuk uji metalurgi resource estimation, and metallurgical
(flotasi, pemisahan gravitasi, pelindian, dan studies.
penggerusan) di Laboratorium PT 4. Continued sample analysis for metallurgical
Geoservices. testwork, including flotation, gravity
5. Melakukan pembaharuan pemodelan geologi separation, leaching, and grinding tests, at PT
internal dan sumber daya untuk Prospek UT. Geoservices Laboratory.
6. Melakukan penjajakan beberapa vendor 5. Updated the internal geological and resource
terkait pekerjaan pelaporan standar JORC dan models for the UT Prospect.
pemrosesan metalurgi. 6. Conducted preliminary engagement with
7. Melanjutkan kegiatan pemetaan geologi untuk several vendors related to JORC-standard
Prospek Tengkereng Tenggara dan prospek reporting and metallurgical processing work.
PT Gayo Mineral Resources
Generali Tower Lt. 9 unit B/C, Komplek Rasuna Epicentrum,
Jalan H.R. Rasuna Said, Karet Kuningan, Setiabudi, Jakarta Selatan
T. (+62 21) 29912350 – F. (+62 21) 29912364
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Sangit Barat, termasuk pengambilan 7. Continued geological mapping activities at
tambahan contoh batuan dan perencanaan the SET Prospect and West Sangir Prospect,
lokasi pengeboran awal. including additional rock sampling and
planning for initial drilling locations.
D Pihak-Pihak yang Terlibat Involved Parties
1. PT Arfa Explorindo Nusantara 1. PT Arfa Explorindo Nusantara
2. PT Samgeo Bor 2. PT Samgeo Bor
3. PT Sucofindo 3. PT Sucofindo
4. PT Geoservice 4. PT Geoservice
5. PT MiningOne Indonesia 5. PT MiningOne Indonesia
E Metode Pengujian Testing Methods
1. AAS 1. AAS
2. Specific Gravity 2. Specific Gravity
3. Fire Assay 3. Fire Assay
4. ICP OES 30 elements 4. ICP OES 30 elements
5. Metallurgical Test 5. Metallurgical Test
6. Physical Properties 6. Physical Properties
7. Uniaxial Compressive Strength 7. Uniaxial Compressive Strength
8. Point Load Index 8. Point Load Index
9. Vein Density Analysist 9. Vein Density Analysist
10. Magnetic Susceptibility 10. Magnetic Susceptibility
Kemajuan Eksplorasi Terhadap periode
F Exploration Progress (vs Previous Period)
sebelumnya
1. Selama Triwulan 2 tahun 2026, kegiatan 1. During Q2 2026, the Company focused on
difokuskan pada persiapan dan pemenuhan the preparation and fulfillment of
kebutuhan administrasi serta teknis terkait administrative and technical requirements
proses perizinan IUP. Pada periode ini belum associated with the IUP permitting process
terdapat aktivitas pengeboran, sehingga total to support the continuation of the next phase
pencapaian pengeboran Triwulan 2 adalah 0 of drilling activities. No drilling was carried
m, dengan total pencapaian Project to Date out during the quarter; accordingly, the
tetap sebesar 31,485.75 m. drilling achievement for Q2 2026 was
2. Total sampel batuan inti bor untuk analisis recorded at 0 m, while the cumulative
geokimia ICP multi elements (Cu, Ag, Mo, As, project to date drilling achievement
Pb, Zn, dll) dan Fire Assay untuk Au ke remained at 31,485.75 m.
Laboratorium PT Sucofindo yang telah keluar 2. The total drill core samples for geochemical
hasil analisisnya selama Triwulan 2 tahun analysis ICP multi-elements (Cu, Ag, Mo, As,
2026 adalah 2888 sampel, dan akumulasi Pb, Zn, etc.) and Fire Assay for Au submitted
sampel yang telah keluar hasilnya adalah to PT Sucofindo Laboratory with analytical
20,574 conto. Pengiriman sampel ini results returned during Q1 2026 was 2888
termasuk program protokol standar QAQC. samples, and the cumulative sample with
3. Telah menyelesaikan rangkaian uji metalurgi completed results is 20,574 samples.
(flotasi, pemisahan gravitasi, pelindian, dan Sample submissions include the standard
penggerusan) untuk domain sampel QDP, QAQC sample protocol program.
QFD dan Sediment Breccia. 3. Metallurgical test work (flotation, gravity
4. Total 104 conto batuan tambahan telah separation, leaching, and comminution) has
dikirimkan untuk analisis geokimia ICP multi been completed for the QDP, QFD and
elements (Cu, Ag, Mo, As, Pb, Zn, dll) dan FA Sediment Breccia domains.
PT Gayo Mineral Resources
Generali Tower Lt. 9 unit B/C, Komplek Rasuna Epicentrum,
Jalan H.R. Rasuna Said, Karet Kuningan, Setiabudi, Jakarta Selatan
T. (+62 21) 29912350 – F. (+62 21) 29912364
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untuk Au ke Laboratorium PT Sucofindo dari 4. An additional 104 rock samples from the
Prospek Sangir Barat West Sangir Prospect were submitted for
5. Persiapan penyusunan dokumen Studi geochemical analysis (ICP multi-elements:
Kelayakan dan AMDAL untuk disampaikan ke Cu, Ag, Mo, As, Pb, Zn, etc.) and Fire Assay
ESDM sebagai persyaratan perubahan (Au) to PT Sucofindo Laboratory.
perizinan menjadi IUP Operasi Produksi. 5. Preparation of Feasibility Study (FS) and
AMDAL documents for submission to ESDM
as part of the requirements for upgrading the
license to IUP Production Operation status.
G Rencana Selanjutnya Next Plan
1. Melaksanakan program pengeboran
1. Conduct a 5,000 m metallurgical drilling
metalurgi sepanjang 5.000 m dan pengeboran
program and a 5,000 m geotechnical drilling
geoteknik sepanjang 5.000 m di Prospek
program at the UT Prospect to support
Tengkereng Atas untuk mendukung studi
metallurgical studies, geotechnical
metalurgi, evaluasi geoteknik, serta
evaluation, and the development of project
pengembangan data teknis proyek.
technical data.
2. Melaksanakan program pengeboran scout
2. Conduct a 1,000 m scout drilling program at
drilling sepanjang 1.000 m di Prospek
the Southeast Tengkereng Prospect as part
Tengkereng Tenggara sebagai bagian dari
of early-stage exploration activities to test
kegiatan eksplorasi awal untuk menguji
mineralization potential.
potensi mineralisasi.
3. Conduct detailed geological mapping at the
3. Melaksanakan pemetaan geologi detail di
West Sangir Prospect, including the planning
Prospek Sangir Barat, disertai dengan
of channel sampling and trenching programs
perencanaan channel sampling dan trenching
to further define geological controls,
untuk memperinci kontrol geologi, geometri,
geometry, and the distribution of the
serta sebaran tubuh bijih.
orebody.
4. Melanjutkan pengiriman sampel batuan inti ke
4. Continue the dispatch of drill core samples
Laboratorium PT Sucofindo.
to PT Sucofindo Laboratory.
5. Melakukan percepatan perpanjangan IUP
5. Accelerate the extension process of the
Eksplorasi dan peningkatan izin menjadi IUP
Exploration IUP and the upgrade of the
Operasi Produksi.
permit to an Operation Production IUP.
H Hambatan Eksplorasi Exploration Constraints
1. Keadaan kahar berupa bencana alam banjir 1. Force majeure conditions due to flash floods
bandang dan tanah longsor yang melanda and landslides in Aceh Province and
Provinsi Aceh dan sekitarnya yang surrounding areas, causing disruption to site
menyebabkan akses dan logistik terhambat. access and logistics.
2. Sedang dalam proses perpanjangan IUP 2. Currently undergoing the extension process
Eksplroasi. of the Exploration IUP
I Perizinan/Persetujuan Baru Yang Diperoleh New Permits/Approvals Obtained
1. Has been granted the second Decree
1. Telah Mendapatkan Surat Keputusan Peta
regarding the Indicative Map for the
Indikatif Penghentian Pemberian Izin Baru
Suspension of New Permit Issuance
(PIPPIB) kedua pada tanggal 13 Mei 2026
(PIPPIB) as of May 13, 2026.
PT Gayo Mineral Resources
Generali Tower Lt. 9 unit B/C, Komplek Rasuna Epicentrum,
Jalan H.R. Rasuna Said, Karet Kuningan, Setiabudi, Jakarta Selatan
T. (+62 21) 29912350 – F. (+62 21) 29912364
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PT GAYO MINERAL RESOURCES
· Nama Perusahaan
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PT GMR
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PT Sucofindo.
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PT Gayo Mineral Resources Generali Tower
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PT Arfa Explorindo Nusantara
p.2 ×2
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PT Samgeo Bor
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PT Geoservice
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PT MiningOne Indonesia
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PT MiningOne Indonesia E
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PT Sucofindo Laboratory
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