20260731_DSSA_Laporan Informasi dan Fakta Material_32116777_lamp3.pdf

(ADSS

energy and infrastructure

No. 139/CSDSS-07/2026
Jakarta, 31 Juli/July 2026

Kepada Yth./To:

Otoritas Jasa Keuangan

Gedung Sumitro Djojohadikusumo
Jalan Lapangan Banteng Timur No. 2-4
Jakarta 10710

Up. Yth. Kepala Eksekutif Pengawas Pasar
Modal, Keuangan Derivatif, dan
Bursa Karbon

Perihal: Keterbukaan Informasi PT Dian
Swastatika Sentosa Tbk

(“Perseroan”)

Dengan hormat,

Perseroan dengan ini — menyampaikan
Keterbukaan Informasi sehubungan dengan
rencana pengalihan saham hasil pembelian
kembali saham Perseroan.

Terima kasih atas perhatiannya.

Hormat kami/Best regards,
PT Dian Swastatika Sentosa Tbk

Attn. Executive Head of Capital Market,
Financial Derivatives, and Carbon
Exchange

Re: Disclosure of Information of PT Dian
Swastatika Sentosa Tbk

(the “Company”)

Dear Sir/Madam,

The Company hereby submits the Disclosure of
Information regarding the plan for the transfer
of shares resulting from the Company's share
buyback.

Thank you for your attention.

David Fernando Audy

Hermawan Tarjono

Direktur/Director

Tembusan Yth. / CC:

Direktur/Director

1. Kepala Biro Penilaian Keuangan Perusahaan Sektor Jasa / Head of Financial Assessment of

Service Sector Companies, dan / and

2. Direksi PT Bursa Efek Indonesia / Board of Directors of Indonesia Stock Exchange.

PT Dian Swastatika Sentosa Tbk

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

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