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20260707_TRST_Perubahan Corsec Komite Audit Alamat NPWP Internal Audit_32109507.pdf
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Page 1
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Nomor Surat 21/TRST/VII/2026
Nama Perusahaan Trias Sentosa Tbk
Kode Emiten TRST
Lampiran 1
Perihal Perubahan Komite Audit
Perubahan Komite Audit
Bersama ini kami sampaikan pemberitahuanPerubahanKomite Audit Perseroan yang efektif pada 30 Juni
2026Sebagai Berikut :
Jenis Baru Lama Periode
KETUA Heriati Gunawan Ketut Sumarwan Periode Ke-1
ANGGOTA Agung Rianto Agung Rianto Periode Ke-2
ANGGOTA Bing Hartono Bing Hartono Periode Lainnya
Poernomosidi Poernomosidi
Demikian untuk diketahui.
Hormat Kami,
Trias Sentosa Tbk
Hans Chandra
Corporate Secretary
Trias Sentosa Tbk
Head Office: Desa Keboharan, Km 26 Krian,Sidoarjo 61262 Indonesia
Telepon : 031 8975825, Fax : 031 8972998, www.trias-sentosa.com
Nama Pengirim Hans Chandra
Jabatan Corporate Secretary
Tanggal dan Waktu 07-07-2026 17:25
Lampiran 1. Surat Keputusan Pengangkatan Komite Audit.pdf
Dokumen ini merupakan dokumen resmi Trias Sentosa Tbk yang tidak memerlukan tanda tangan karena dihasilkan
secara elektronik oleh sistem pelaporan elektronik. Trias Sentosa Tbk bertanggung jawab penuh atas informasi yang
tertera didalam dokumen ini.
Page 2
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Letter / Announcement No. 21/TRST/VII/2026
Issuer Name Trias Sentosa Tbk
Issuer Code TRST
Attachment 1
Subject Change Audit Committee
Change of Audit Committee
Herewith we announce a Change of Audit Committee effective on 30 June 2026 as follows :
Information New Old Service Period
Head Heriati Gunawan Ketut Sumarwan Periode Ke-1
Member Agung Rianto Agung Rianto Periode Ke-2
Member Bing Hartono Poernomosidi Bing Hartono Poernomosidi Periode Lainnya
Thus to be informed accordingly.
Respectfully,
Trias Sentosa Tbk
Hans Chandra
Corporate Secretary
Trias Sentosa Tbk
Head Office: Desa Keboharan, Km 26 Krian,Sidoarjo 61262 Indonesia
Phone : 031 8975825, Fax : 031 8972998, www.trias-sentosa.com
Sender Name Hans Chandra
Function Corporate Secretary
Date and Time 07-07-2026 17:25
Attachment 1. Surat Keputusan Pengangkatan Komite Audit.pdf
This is an official document of Trias Sentosa Tbk that does not require a signature as it was generated
electronically by the electronic reporting system. Trias Sentosa Tbk is fully responsible for the information contained
within this document.
Names mentioned 5 people and organisations named in the text · linked when the evidence is strong
unresolved
org
Hans Chandra
· Corporate Secretary
p.1 ×3
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12 Sep 2026 21:50
Raw output
{'announced_date': '2026-07-07',
'changes': [{'change_type': 'OUT',
'effective_date': '2026-06-30',
'name': 'Ketut Sumarwan',
'position_after': '',
'position_before': 'AUDIT_COMMITTEE',
'position_raw': 'Komite Audit - KETUA',
'reason_text': ''},
{'change_type': 'IN',
'effective_date': '2026-06-30',
'name': 'Heriati Gunawan',
'position_after': 'AUDIT_COMMITTEE',
'position_before': '',
'position_raw': 'Komite Audit - KETUA',
'reason_text': ''}],
'event_date': None,
'issuer_name': 'Trias Sentosa Tbk',
'issuer_ticker': 'TRST',
'letter_number': '21/TRST/VII/2026',
'positions': [{'is_independent': False,
'name': 'Heriati Gunawan',
'role': 'AUDIT_COMMITTEE',
'role_raw': 'Komite Audit - KETUA',
'started_at': '2026-06-30'},
{'is_independent': False,
'name': 'Agung Rianto',
'role': 'AUDIT_COMMITTEE',
'role_raw': 'Komite Audit - ANGGOTA',
'started_at': '2026-06-30'},
{'is_independent': False,
'name': 'Bing Hartono Poernomosidi',
'role': 'AUDIT_COMMITTEE',
'role_raw': 'Komite Audit - ANGGOTA',
'started_at': '2026-06-30'}],
'source_shape': 'OFFICER_TABLE',
'subject': 'Perubahan Komite Audit'}