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Page 1 OCR 0.935
Mitra Investindo

LAPORAN EKSPLORASI O4 2025
Ringkasan Kegiatan:

PT KENDAWANGAN BERKAH KERSIK (PT. KBK)
memulai kegiatan eksplorasi setelah terbitnya IUP
Ekplorasi no. 14052401594140004 pada tanggal 24
Januari 2025 dan memperoleh RKAB Eksplorasi pada
tanggal 25 Maret 2025. Kegiatan selama periode
triwulan 4 yang berakhir 31 Desember 2025 (“O4”)
berisi persetujuan UKL-UPL eksplorasi, proses
analisis eksplorasi lapangan, proses persetujuan
dokumen rencana reklamasi, proses pengesahan
Kepala Teknik Tambang, penetapan penanggung
jawab sementara Kepala Teknik Tambang dengan
surat nomor  B-1290/MB.07/DBT/2025 dari
Direktorat Jenderal Mineral dan Batubara tanggal 22
Desember 2025, kajian regulasi dan kaidah
keteknikan bidang lingkungan, tataruang dan ESDM,
serta kajian tekno ekonomi. KBK telah melaksanakan
proses migrasi serta tercatat secara resmi dalam
Minerbaone sebagai sistem terpadu baru yang
berlaku di ESDM. Adapun area kerja PT. KBK seluas
2042,03 Ha sebagaimana gambar dibawah ini.

Jl. Menteng Raya No.72
Jakarta Pusat 10340

Tlp: (62 21) 29079558
Fax: (62 21) 29079559

corsec@mitra-investindo.com

EXPLORATION REPORT O4 2025
Activity Summary:

PT KENDAWANGAN BERKAH KERSIK (PT. KBK)
commenced exploration activities following the
issuance of Exploration IUP No.
14052401594140004 on 24 January 2025 and
obtained the approval of the 2025 Exploration
Work Plan on 25 March 2025. Activities during the
fourth guarter ended on 31 December 2025 (“A4”)
were included the approval of the exploration UKL-
UPL, the field exploration analysis process, the
reclamation plan document approval process, the
Chief of the Mine Technical approval process, and
the appointment of an interim the chief of the
Mine Technical by letter No. B-1290/MB.
07/DBT/2025 from the Directorate General of
Minerals and Coal dated December 22, 2025,
regulatory and technical studies in the fields of
environment, spatial planning and ESDM, as well as
techno-economic studies, and has carried out the
process of ESDM migration system and hasofficially
registered in Minerbaone, as a new integrated
system applicable in ESDM. The operational area of
PT. KBK spans of 2,042.03 hectares, as illustratedin
the map below.

oo.

Gambar 1: Lokasi IUP Eksplorasi PT. KBK
Figure 1: Location of IUP Exploration PT. KBK
Page 2 OCR 0.919
Mitra Investindo

Pasir Silika dan Mineral Lain

A.

Biaya yang dikeluarkan:
Pengeluaran total kegiatan pada O4 yaitu
berkisar Rp 1.711 juta yang terdiri dari
persetujuan UKL-UPL eksplorasi, proses analisis
eksplorasi lapangan, proses persetujuan
dokumen rencana reklamasi, proses
pengesahan Kepala Teknik Tambang, kajian
regulasi dan kaidah keteknikan bidang
lingkungan, tataruang dan ESDM, serta kajian
tekno ekonomi.

Area:

IUP PT Kendawangan Berkah Kersik, secara

administratif berada pada Desa Natai Kuini,

Kecamatan Kendawangan, Kabupaten

Ketapang, Provinsi Kalimantan Barat, dimana

seluruh area merupakan Area Penggunaan Lain

(APL).

Pihak yang Melakukan Eksplorasi:

# Penyusunan UKL-UPL dan oleh tim PT. KBK
sendiri dibantu konsultan CV Ail Enviro
Consult dengan no kontrak 01/KK-
KBK/I1/2025.

# Penyusunan Dokumen Rencana Reklamasi
Periode Eksplorasi oleh Tim PT. KBK dibantu
konsultan PT. Geo Persada Mineral.

# Pemetaan foto udara dengan drone/UAV
oleh tim Drone Sumatera yaitu Sdr. Dhoni
Zakaria Randani, ST. MT sebagai tenaga ahli
melalui perjanjian kontrak kerja no : 04/KK-
KBK/V/2025.

e Kegiatan Eksplorasi melalui metode
Electrical Resistivity Tomography (ERT) dan
pemboran inti dengan cara full coring dan
Standard Penetration Test (SPT) oleh PT.
Agrinas Palma Nusantara (APN) dan Analisa
uji laboratorium sampel bekerjasama
dengan Laboratorium  Tekmira-Bandung
dengan no kontrak: 03/KK-KBK/IV/2025.

e Kajian Regulasi Dan Kaidah Keteknikan
Bidang Lingkungan, Tataruang Dan ESDM
oleh DRPM Universitas Brawijaya dengan no
kontrak : 05/KK-KBK/IX/2025.

e Kajian Tekno Ekonomi oleh PT. Geo Persada
Mineral dengan Competent Person Ir. Nahar
Mugaddim Jundan Arif, S. T., CP dengan
nomor kontrak : 06/KK-KBK/X/2025.

Jl. Menteng Raya No.72
Jakarta Pusat 10340

Tlp: (62 21) 29079558
Fax: (62 21) 29079559

corsec@mitra-investindo.com

Silica Sand and Minerals Other

A.

Costs incurred:

Total expenditure for activities in O4 is
approximately IDR 1,711 million, consisting of
UKL-UPL exploration approvals, field exploration
analysis processes, reclamation plan document
approval processes, the Head of Mine Technical
approval and ratification, regulatory and
engineering studies in the fields of environment,
spatial planning and ESDM, as well as the
techno-economic studies.

Area:

IUP PT Kendawangan Berkah Kersik is
administratively located in Natai Kuini Village,
Kendawangan Subdistrict, Ketapang Regency,
West Kalimantan Province, where the entire
area is designated as Other Use Area (APL).

Parties Conducting Exploration:

e Preparation of the UKL-UPL was carried out
by PT. KBK's own team with the assistance of
consultants from CV Ail Enviro Consult with
contract number : 01/KK-KBK/11/2025.

# Preparation of Reclamation Plan Documents
for the Exploration Period by the PT. KBK
Team, assisted by consultants from PT. Geo
Persada Mineral.

# Aerial photo mapping using drones/UAVs by
the Drone Sumatera team, namely Mr. Dhoni
Zakaria Randani, ST. MT, asan expert through
a work contract agreement with contract
number : 04/KK-KBK/V/2025.

e Exploration activities by using the Electrical
Resistivity Tomography (ERT) and core
drilling by full coring method and Standard
Penetration Test (SPT) by PT. Agrinas Palma
Nusantara (APN) and laboratory sample
testing analysis in collaboration with the
Tekmira Laboratory in Bandung with contract
number : 03/KK-KBK/IV/2025.

e# Study of Regulations and Engineering
Principles in the Fields of Environment,
Spatial Planning and Energy and Mineral
Resources by DRPM, Brawijaya University
with contract number : 05/KK-KBK/IX/2025.

# Techno-economic study by PT. Geo Persada
Mineral with Competent Person Ir. Nahar
Mugaddim Jundan Arif, S. T., CP with contract
number : 06/KK-KBK/X/2025.
Page 3 OCR 0.908
Mitra Investindo

Metode Pengujian:

Pemetaan geologi, Pemetaan foto udara dengan

drone/UAV, ERT, pemboran inti (full coring) dan

pengambilan contoh untuk dilakukan uji di

laboratorium Tekmira-Bandung.

Pemilihan Areal Pengujian yang Diterapkan:

Interpretasi hasil pemetaan geologi, UAV, ERT,

pemboran inti dan Standard Penetration Test

(SPT) digunakan untuk menganalisis dalam

menentukan perhitungan sumber daya, dan

informasi awal daya dukung untuk rencana
infrastruktur.

Rencana Tindak Lanjut:

e Finalisasi dokumen kajian regulasi dan
kaidah keteknikan bidang lingkungan, tata
ruang dan ESDM yang terkait penambangan
didaerah pesisir,

e Finalisasi Dokumen Rencana Reklamasi
Periode Eksplorasi.

# Finalisasi Pekerjaan Eksplorasi.

e Finalisasi Kajian Tekno Ekonomi yang
diverifikasi dan divalidasi oleh Competent
Person (CP).

e Finalisasi Laporan Reklamasi Pasca
Eksplorasi sebagai syarat dalam peraturan
ESDM yang berlaku sesuai.

e Hasil kajian diatas akan digunakan dalam
pengambilan keputusan tahapan dan proses
eksplorasi selanjutnya.

Jl. Menteng Raya No.72
Jakarta Pusat 10340

Tip: (62 21) 29079558
Fax: (62 21) 29079559

corsec@mitra-investindo.com

Testing Methods:

Geological mapping, aerial mapping using
drones/UAVSs, ERT, core drilling (full coring) and
sampling for testing at the Tekmira-Bandung
laboratory.

Selection of the Testing Area Applied :
Interpretation of geological mapping, UAV, ERT,
core drilling and Standard Penetration Test (SPT)
results are used to analyze resource calculations
and preliminary bearing capacity information
for the infrastructure planning.

Follow-up Plan:

e Finalization of regulatory review documents
and technical guidelines in the fields of
environment, spatial planning and ESDM
relating to the mining activities in the coastal
areas.

e Finalization of the Exploration Period
Reclamation Plan Document.

e Finalization of Exploration Work.

e Finalization of the Techno-Economic Study
verified and validated by a Competent
Person (CP).

e Finalization of the  Post-Exploration
Reclamation Report as a reguirement in.

e The results of the above study will be used to
decide the next stages and processes of
exploration activities.
Page 4 OCR 0.929
Mitra Investindo

LAPORAN EKSPLORASI O4 2025
Ringkasan Kegiatan:

PT DANAU BUNTAR KUARSA (PT. DBK) pada periode
triwulan 4 yang berakhir 31 Desember 2025 (“O4”)
kegiatan berupa pemenuhan persyaratan
penerbitan IUP Eksplorasi, telah selesai
melaksanakan proses dan teregister secara resmi
dalam Minerbaone sebagai sistem terpadu baru
yang berlaku di ESDM, serta memperoleh PKPLH
(Persetujuan Pernyataan Kesanggupan Pengelolaan
Lingkungan Hidup), dari PTSP a/n Gubernur Kalbar
dengan nomor 500.16.7.2/51/PKPLH/DPMPTSP-A
pada tanggal 29 Desember 2025. Setelah terbitnya
IUP Ekplorasi no. 14052402473090010 pada tanggal
25 Agustus 2025, selanjutnya dilakukan pengajuan
KTT, pemetaan citralandsat, penyusunan RKAB
Eksplorasi pada area kerja PT. DBK seluas 4.888 Ha
sebagaimana gambar dibawah.

Jl. Menteng Raya No.
Jakarta Pusat 10340

@mitra-investindo.com

EXPLORATION REPORT O4 - 2025
Activity Summary:

PT DANAU BUNTAR KUARSA (PT. DBK) in the fourth
guarter ending 31 December 2025 (“O4”)
completed the process of fulfilling the
reguirements for the issuance of an Exploration
IUP (Izin Usaha Pertambangan or Mining Business
Permit) and has officially registered in Minerbaone,
a new integrated system applicable in ESDM, as
well as obtaining a PKPLH (Environmental
Management Commitment Approval) from the
PTSP and the Governor of West Kalimantan with
number 500.16.7.2/51/PKPLH/DPMPTSP-A on 29
December 2025. Following the issuance of
Exploration IUP No. 14052402473090010 on 25
August 2025, the Head of Mine Technic application,
citralandsat mapping, and preparation of the
Exploration RKAB were carried out in the PT. DBK
work area covering 4,888 hectares, asshown in the
image below.

Gambar 1: Lokasi IUP Eksplorasi PT. DBK
Figure 1: Location of IUP Exploration PT. DBK
Page 5 OCR 0.902
Mitra Investindo

Pasir Silika dan Mineral Lain

A.

Biaya yang dikeluarkan:

Pengeluaran total kegiatan eksplorasi pada O4
berkisar Rp 99 juta yang terdiri dari kewajiban
jaminan kesungguhan eksplorasi, pemetaan
citralandsat, penyusunan dan proses RKAB
Eksplorasi dan Penyusunan dokumen UKL-UPL
Eksplorasi.

Area:

IUP Eksplorasi PT. Danau Buntar Kuarsa, secara
administratif berada pada Desa Air Hitam Hulu,
Kecamatan Kendawangan, Kabupaten
Ketapang, Provinsi Kalimantan Barat.

Dimana seluruh area merupakan kawasan
Hutan Produksi (HP), sehingga PT. DBK wajib

melaksanakan proses PPKH (Persetujuan
Penggunaan Kawasan Hutan) periode
eksplorasi.

Pihak yang Melakukan Eksplorasi:

# Penyusunan RKAB oleh tim PT. DBK sendiri
yang dibantu oleh CV. Jakal Inti Nusantara
dengan kontrak no: 01/KK-DBK/IX/2025.

e Penyusunan UKL-UPL oleh tim PT. DBK
sendiri yang dibantu oleh CV. Optima Prima
dengan kontrak no: 02/KK-DBK/IX/2025.

# Pelaksanaan Pemetaan UAV oleh PT. Sumber
Enjiniring Indonesia dengan kontrak no:
05/DBK-KK/XI1/2025.

Rencana Tindak Lanjut:

# Perijinan Kawasan hutan (PPKH).
# Pengajuan KTT.

# Penyusunan RKAB Eksplorasi.

Jl. Menteng Raya No.72
Jakarta Pusat 10340

Tip: (62 21) 29079558
Fax: (62 21) 29079559

corsec@mitra-investindo.com

Silica Sand and Minerals Other

A.

Costs incurred:

Total expenditure for exploration activities in O4
is approximately IDR 99 million, consisting of
exploration commitment obligations,
citralandsat — mapping,  preparation and
processing of the Exploration Work Plan and
Budget (RKAB), and preparation of the
Exploration Environmental Management Plan
and Environmental Impact Assessment (UKL-
UPL) documents.

Area:

PT. Danau Buntar Kuarsa's Exploration IUP is
administratively located in Air Hitam Hulu
Village, Kendawangan Subdistrict, Ketapang
Regency, West Kalimantan Province.

Allareas are Production Forest (HP) zones, so PT.
DBK is reguired to carry out the PPKH (Forest
Area Use Approval) process for the exploration
period.

Parties Conducting Exploration:

e Preparation of RKAB by PT. DBK team
assisted by CV Jakal Inti Nusantara with
contract no: 01/KK-DBK/IX/2025.

e Preparation of UKL-UPL by PT. DBK team
assisted by CV. Optima Prima with contract
no: 02/KK-DBK/IX/2025.

# Implementation of UAV Mapping by PT.
Sumber Enjiniring Indonesia under contract
no: 05/DBK-KK/XII/2025.

.

Follow-up Plan:

# Forestry permit (PPKH).

@ Submission of KTT.

# RKAB Exploration.
Page 6 OCR 0.932
Mitra Investindo

LAPORAN EKSPLORASI O4 2025
Ringkasan Kegiatan:

PT KENDAWANGAN PRIMA SILIKA (PT. KPS) pada
periode triwulan 4 yang berakhir 31 Desember 2025
(“O4”) kegiatan berupa pemenuhan persyaratan
penerbitan IUP Eksplorasi. Setelah terbitnya IUP
Ekplorasi no. 14052402641390010 pada tanggal 25
Agustus 2025, selanjutnya dilakukan pengajuan
Kepala Teknik Tambang (KTT), pemetaan citralandsat
pada seluruh kawasan potensi dan UAV penyusunan
RKAB Eksplorasi dan UKL-UPL Eksplorasi, dan
Pemenuhan serta proses administratif penyesuaian
data ke Minerbaone. Area kerja PT. KPS seluas 2.965
Ha sebagaimana gambar dibawah.

) Jl. Menteng Raya N
Jakarta Pusat 10:

EXPLORATION REPORT 04 2025
Activity Summary:

PT KENDAWANGAN PRIMA SILIKA (PT. KPS) in the
fourth guarter period ended on 31 December 2025
(“O4”), the activities covered the fulfilment of the
reguirements for the issuance of an Exploration
IUP. Following the issuance of Exploration IUP No.
14052402641390010 on 25 August 2025, KPS has
carried out the application approval for the Head
of the Head of Mine Technical, Citra-landsat
mapping of the entire potential area, UAV
preparation of the Exploration Work Plan and
Budget (RKAB) and the Exploration Environmental
Management Plan (UKL-UPL), and administrative
processes for data migration to Minerbaone
integrated data system. The working area of PT. KPS
spans 2,965 hectares, as shown in the picture
below.

Gambar 1:
Figure 1: Location of IUP Exploration PT. KPS

okasi IUP Eksplorasi PT. KPS
Page 7 OCR 0.898
Mitra Investindo

Pasir Silika dan Mineral Lain

A.

Biaya yang dikeluarkan:

Pengeluaran total kegiatan eksplorasi pada O4
berkisar Rp 102 juta yang terdiri dari kewajiban
jaminan kesungguhan eksplorasi, pemetaan
citralandsat, penyusunan dan proses RKAB
Eksplorasi dan Penyusunan dokumen UKL-UPL
Eksplorasi.

Area:

IUP Eksplorasi PT Kendawangan Prima Silika,
secara administratif berada pada Desa Air Hitam
Hulu, Kecamatan Kendawangan, Kabupaten
Ketapang, Provinsi Kalimantan Barat.

Dimana seluruh area merupakan kawasan
Hutan Produksi (HP), sehingga PT. KPS wajib

melaksanakan proses PPKH (Persetujuan
Penggunaan Kawasan Hutan) periode
eksplorasi.

Pihak yang Melakukan Eksplorasi:

# Penyusunan RKAB oleh tim PT. KPS sendiri
yang dibantu oleh CV. Jakal Inti Nusantara
dengan kontrak no: 01/KK-KPS/1IX/2025.

e Penyusunan UKL-UPL oleh tim PT. KPS
sendiri yang dibantu oleh CV. Optima Prima
dengan kontrak no: 02/KK-KPS/1X/2025.

# Pelaksanaan Pemetaan UAV oleh PT. Sumber
Enjiniring Indonesia dengan kontrak no:
05/KPS-KK/XII/2025.

Rencana Tindak Lanjut:

# Perijinan Kawasan hutan (PPKH).

# Pengajuan KTT.

e Penyusunan RKAB Eksplorasi.

Jl. Menteng Raya No.72
Jakarta Pusat 10340

Tip: (62 21) 29079558
Fax: (62 21) 29079559

corsec@mitra-investindo.com

Silica Sand and Minerals Other

A.

Costs incurred:

Total expenditure for exploration activities in O4
is approximately IDR 102 million, consisting of
exploration commitment obligations,
citralandsat — mapping,  preparation and
processing of the Exploration Work Plan and
Budget (RKAB), and preparation of the
Exploration Environmental Management Plan
and Environmental Impact Assessment (UKL-
UPL) documents.

Area:

PT Kendawangan Prima Silika Exploration IUP is
administratively located in Air Hitam Hulu
Village, Kendawangan Subdistrict, Ketapang
Regency, West Kalimantan Province.

Allareas are Production Forest (HP) zones, so PT.
KPS is reguired to carry out the PPKH (the Use of
Forest Area Approval) for the exploration
period.

Parties Conducting Exploration:

e Preparation of RKAB by PT. KPS teamassisted
by CV. Jakal Inti Nusantara with contract no:
01/KK-KPS/IX/2025.

e Preparation of UKL-UPL by PT. KPS team
assisted by CV. Optima Prima with contract
no: 02/KK-KPS/1X/2025.

# Implementation of UAV Mapping by PT.
Sumber Enjiniring Indonesia under contract
no: 05/KPS-KK/XII/2025,

Follow-up Plan:

# Forestry permit (PPKH).

@ Submission of KTT.

# RKAB Exploration.

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Published10 Jan 2026
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Names mentioned 20 people and organisations named in the text · linked when the evidence is strong

linked org Mitra Investindo p.1 ×7
linked org PT. Agrinas Palma Nusantara p.2 ×3
possible org PT. KBK p.1 ×7
possible org PT. KBK's p.2
unresolved org PT KENDAWANGAN BERKAH KERSIK p.1 ×4
unresolved org Direktorat Jenderal Mineral dan Batubara p.1
unresolved org Directorate General of Minerals and Coal p.1
unresolved org PT. KBK Figure p.1
unresolved org PT. Geo Persada Mineral. p.2 ×4
unresolved person Dhoni Zakaria Randani p.2 ×2
unresolved person Competent Person Ir. Nahar Mugaddim Jundan Arif p.2 ×4
unresolved org PT. KBK Team p.2
unresolved org PT DANAU BUNTAR KUARSA p.4 ×3
unresolved org PT. DBK p.4 ×11
unresolved org PT. DBK Figure p.4
unresolved org PT. Sumber Enjiniring Indonesia p.5 ×4
unresolved org PT. Danau Buntar Kuarsa's Exploration IUP p.5
unresolved org PT KENDAWANGAN PRIMA SILIKA p.6 ×3
unresolved org PT. KPS p.6 ×12
unresolved org PT Kendawangan Prima Silika Exploration IUP p.7

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