| Information Disclosure of Material Transaction in Compliance with the Provisions of OJK Regulation No. 17/POJK.04/2020 |
21 October 2025 |
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| Response to Request for Explanation Regarding Reporting in the Mass Media |
15 October 2025 |
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| Report of Material Information or Fact |
20 August 2025 |
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| Notification of the Change in Nomination and Remuneration Committee |
19 August 2025 |
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| Notification of the Change in Audit Committee |
19 August 2025 |
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| Disclosure of Information in Connection with Intercompany Loan Between Controlled Companies of the Company |
11 June 2025 |
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| Submission Plan of Limited Review First Quarter 2025 Financial Statements |
29 April 2025 |
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| The Company's Shares Repurchase Plan in Significantly Fluctuating Market Conditions |
29 April 2025 |
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| BUMA Public Expose Presentation 2025 |
27 March 2025 |
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| Change of the Company’s Name |
03 March 2025 |
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| Notification of Change of Office Address |
26 February 2025 |
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| Report of Material Information or Facts 29Metal |
27 December 2024 |
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| Public Expose 2024 Report |
13 December 2024 |
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| Material of Public Expose for Year of 2024 |
05 December 2024 |
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| Notification of Public Expose for Year of 2024 |
26 November 2024 |
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| Information Disclosure - Acquire a Controlling Interest in the Dawson Coal Mining Complex |
25 November 2024 |
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| Disclosure of Information - Signing Coal Mining Services Agreement between the Company and PT Indonesia Pratama { |
25 October 2024 |
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| Disclosure of Information - Implementation of Subsequent MESOP/LTSP Phase One |
06 September 2024 |
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| Disclosure of Information - Signing Coal Mining Services Agreement between BUMA and PT Persada Kapuas Prima |
14 August 2024 |
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| Report of Material Information or Facts Signing Coal Mining Services Agreement between BUMA and PT Persada Kapuas Prima |
14 August 2024 |
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| Report of Material Information or Facts Purchase of 29Metals Ltd |
08 August 2024 |
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| Explanation of Media Coverage |
07 August 2024 |
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| Report on Material Information or Facts Establishment of a New Subsidiary |
18 July 2024 |
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| Report on Material Information or Facts |
02 July 2024 |
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| Information Disclosure POJK 17/2020 - Delta Dunia Group Completes Acquisition of Atlantic Carbon Group, Inc. |
01 July 2024 |
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| Report on Material Information or Facts |
05 June 2024 |
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| Delta Dunia Group Expands Global Business into Mine Ownership with the Acquisition of Atlantic Carbon Group |
05 June 2024 |
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| Disclosure of Information in Relation to The Company's Plan to Conduct Capital Reduction By Canceling the Company's Shares |
16 May 2024 |
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| The Establishment of BUMA's New Subsidiary |
03 May 2024 |
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| Disclosure of Information - Implementation of Initial MESOP/LTSP Phase One |
16 April 2024 |
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| Disclosure of Information - Signing of the Blackwater Mine contract between BUMA Australia and Whitehaven Coal Mining |
16 April 2024 |
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| Disclosure of Information of PT Delta Dunia Tbk |
04 April 2024 |
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| Disclosure of Information - The Expiration of the Tender Offer Period of 2026 Notes |
03 April 2024 |
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| Disclosure of Information of PT Delta Dunia Makmur Tbk - Signing Indenture Tender Offer Notes 2026 |
26 March 2024 |
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| The announcement on the ending of the Early Offer and Consent Deadline in relation to the Consent Solicitation of the 2026 Notes |
15 March 2024 |
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| Disclosure Consent Solicitation and Tender Offer of 2026 Notes |
08 March 2024 |
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| Disclosure Amendment of Loan Facility and Bank Mandiri's Participation in the Syndicated Loan Facility with BNI Valued at USD 750 Million |
07 March 2024 |
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| Report on Material Information or Facts |
07 March 2024 |
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| Public Expose Report of 2023 |
13 December 2023 |
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| Resignation of Member of the Company's Board of Directors |
25 August 2023 |
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| The Shares Repurchase Ended and the Cancellation of Information Disclosures Dated July 31, 2023 |
08 August 2023 |
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| Information Disclosure to the Shareholders of PT Delta Dunia Makmur Tbk |
27 July 2023 |
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| Changes And/ or Additions to Information Disclosure to the Shareholders of Pt Delta Dunia Makmur Tbk |
20 July 2023 |
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| Notification of the Change in Audit Committee |
11 July 2023 |
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| Resignation of Member of the Company's Board of Directors |
01 February 2023 |
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| Information Disclosures-The Extension of Shares Buyback 2023 |
23 January 2023 |
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| The Conversion Rate for Interim Cash Dividend FY2022 |
19 December 2022 |
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| Announcement of Interim Cash Dividend For Financial Year 2022 |
07 December 2022 |
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| Information Disclosures-The Extension of Shares Buyback |
08 September 2022 |
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| Notification Change of Office Address |
15 July 2022 |
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| Public Expose Report 2022 |
30 June 2022 |
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| Resignation of the Company's Director |
27 June 2022 |
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| Public Expose Material 2022 |
24 June 2022 |
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| Health Declaration Form (Public Expose) |
20 May 2022 |
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| Information Disclosure to the Shareholders of PT Delta Dunia Makmur Tbk |
07 March 2022 |
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| Information Disclosure in the Context of Fulfilling the Provisions of POJK 17/2020 |
21 December 2021 |
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| Public Expose Report 2021 |
21 December 2021 |
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| BUMA Completes Australian Asset Acquisition Presentation |
21 December 2021 |
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| Public Expose Material 2021 |
15 December 2021 |
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| Notification of Public Expose 2021 |
30 November 2021 |
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| BUMA Signs Conditional Agreement for Australian Asset Acquisition |
11 October 2021 |
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| BUMA signed new USD350million Bank Loan facility with Bank Mandiri |
05 July 2021 |
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| Resignation of the Company's Commissioners |
03 May 2021 |
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| Disclosure Tender Settlement & Redemption of 2022 Senior Notes |
01 March 2021 |
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| Disclosure Consent Solicitation has expired |
24 February 2021 |
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| Resignation of the Company's Director |
22 February 2021 |
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| Disclosure of Material Transaction in the Context of Fulfilling the Provisions of POJK 17/2020 |
11 February 2021 |
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| Disclosure Approval of Consent Solicitation |
10 February 2021 |
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| Disclosure Result of Tender Offer and Consent Solicitation at the Early Tender Time |
08 February 2021 |
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| Disclosure Update Tender Offer and Consent Solicitation of 2022 Notes and The Plan of Issuance New Notes |
02 February 2021 |
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| Disclosure BUMA Priced A USD400 Million 7.75% 5-Year Senior Notes |
26 January 2021 |
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| BUMA Priced A USD400 Million 7.75% 5-Year Senior Notes |
26 January 2021 |
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| BUMA Plans for Roadshow for Issuance of New Bonds, Tender Offer, and Consent Solicitation |
22 January 2021 |
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| Disclosure-Tender Offer and Consent Solicitation of 2022 Notes and The Plan of Issuance New Notes |
22 January 2021 |
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| Disclosure-Potential Change in Shareholders' Composition of Northstar Tambang Persada Ltd. |
22 January 2021 |
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| Public Expose Report of 2020 |
22 December 2020 |
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| Public Expose Material of 2020 |
18 December 2020 |
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| BUMA Extended Contract with PT Berau Coal |
16 December 2020 |
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| Public Expose Notification of 2020 |
14 December 2020 |
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| Changes/Additional Disclosure of Material Transaction in the context of fulfilling the provisions of Regulation No. IX.E.2 |
07 July 2020 |
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| Disclosure of Material Transaction in the context of fulfilling the provisions of Regulation No. IX.E. 2 |
02 March 2020 |
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| Announcement Change of Phone & Fax No. |
01 March 2019 |
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| Announcement Change in Audit Committee |
10 August 2018 |
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| Announcement Change of Office Address |
21 June 2018 |
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| Replacement of Corporate Secretary PT Delta Dunia Makmur Tbk |
17 May 2017 |
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| Keterbukaan Informasi Kepada Pemegang Saham PT Delta Dunia Makmur Tbk. |
14 February 2017 |
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| Invitations of the A&EGMS_For 2016-2017 |
15 November 2016 |
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| Pemanggilan Rapat Umum Pemegang Saham Luar Biasa PT Delta Dunia Makmur TBK. (PERSEROAN) |
24 October 2016 |
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| Bahan Penjelasan Acara RUPSLB - 15 November 2016 (English) |
24 October 2016 |
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| Keterbukaan Informasi Transaksi Material |
07 October 2016 |
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| Keterbukaan Informasi (English) - Updated |
26 June 2016 |
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| Information Disclosure With Supplementary Information |
15 June 2016 |
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| Invitations of the A&EGMS For 2016-2017 |
15 June 2016 |
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| Keterbukaan Informasi (English) - Updated |
10 June 2016 |
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| Summary Sheet of A&EGMS For Year 2014 |
15 June 2015 |
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| Invitations of the A&EGMS For Year 2014 |
20 May 2015 |
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| CV of BOC Candidate |
15 May 2015 |
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| Announcement of the A&EGMS For Year 2014 |
05 May 2015 |
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