20251008_DSSA_Laporan Bulanan Aktivitas Eksplorasi_31965611_lamp1.pdf

DSS

energy and infrastructure

No.: 137/CSDSS-10/2025
Jakarta, 8 Oktober/October 2025

Kepada Yth./To:

Direksi PT Bursa Efek Indonesia ("BEI")/
Indonesia Stock Exchange ("IDX")
Gedung Bursa Efek Indonesia

Jalan Jenderal Sudirman Kav. 52 — 53
Jakarta 12190

Perihal: Penyampaian Laporan
Kegiatan Eksplorasi Periode 30
September 2025 PT Dian
Swastatika Sentosa Tbk
(“Perseroan”)

Dengan hormat,

Dalam rangka memenuhi Keputusan Direksi
BEI Nomor: Kep-00066/BEI/09-2022 tanggal
30 September 2022 tentang Perubahan
Peraturan Nomor I-E tentang Kewajiban
Penyampaian Informasi, bersama ini kami
sampaikan Laporan Aktivitas Eksplorasi
Perseroan, melalui entitas anaknya, untuk
periode 30 September 2025 sebagaimana
terlampir.

Terima kasih atas perhatiannya.

Hormat/kami/ Best regafds,

a
Wakil Presiden Direktur/
Vice President Director

PT Dian Swastatika Sentosa Tbk

Re. : Report on the Exploration Activities for
the Period of September 30, 2025 ot
PT Dian Swastatika Sentosa Tbk

(the “Company”)

Dear Sir/Madam,

In accordance with the Decision Letter of the
Board of Directors of IDX No.  Kep-
00066/BEI/09-2022 dated September 30, 2022
regarding the Amendment of Regulation
Number I-£E on Obligation to Disclosure of
Information, we hereby submit the Exploration
Activities of the Company, through its
subsidiaries, for the period of September 30,
2025, as attached.

Thank you for your attention.

David Fernando Audy
Direktur/Director

Sinar Mas Land Plaza, Tower II, 24th Floor, Jl. M.H. Thamrin No. 51, Jakarta 10350, Indonesia

Telp: (62-21) 31990258 e Fax: (62-21) 31990259