20251221_DOID_Laporan Informasi dan Fakta Material_32014580_lamp2.pdf

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       BUMA Australia Secures AU$740 Million Multi-Year Contract
      Extension with Whitehaven at Blackwater Mine Through 2030

        ▪   BUMA Australia Pty Ltd (“BUMA Australia”), a wholly owned subsidiary of PT Bukit Makmur
            Mandiri Utama (“BUMA”), under PT BUMA Internasional Grup Tbk (”BUMA International
            Group”; IDX: DOID), has secured a multi-year contract extension valued at approximately
            AU$740 million with Blackwater Operations Pty Ltd, a subsidiary of Whitehaven Coal Mining
            Limited, to provide pre-strip mining services at the Blackwater Mine in Queensland,
            Australia, through to 2030.
        ▪   The extension reinforces BUMA Australia’s role as a long-term mining partner with deep
            technical expertise at one of Australia’s largest and most complex open-cut metallurgical
            coal mines.
        ▪   The contract renewal highlights BUMA Australia’s proven operational excellence and
            strong safety performance while supporting local employment, community programs, and
            inclusion initiatives across Central Queensland.

 Jakarta, December 22, 2025 – BUMA Australia Pty Ltd (“BUMA Australia”), a wholly owned subsidiary of
 PT Bukit Makmur Mandiri Utama (“BUMA”) under PT BUMA Internasional Grup Tbk (“BUMA International
 Group, IDX: DOID”), today announced a multi-year contract extension valued at approximately AU$740
 million with Blackwater Operations Pty Ltd (“Blackwater”), a subsidiary of Whitehaven Coal Mining
 Limited (“Whitehaven”). The extension secures BUMA Australia’s operations at the Blackwater Mine in
 Central Queensland’s Bowen Basin, one of Australia’s largest open-cut metallurgical coal operations, through
 to June 2030, cementing BUMA Australia’s role as a long-term partner delivering extensive pre-strip
 operations at the site.

 Johan Ballot, CEO of BUMA Australia, stated, “This extension underscores Whitehaven’s confidence in
 BUMA Australia to deliver safely and efficiently at scale across one of Queensland’s largest metallurgical-
 coal operations. Our understanding of site conditions, strong local team, and consistent results enable us
 to sustain productivity while contributing to the long-term success of the Blackwater Mine.”

 Located 20 kilometers south of the township of Blackwater, the mine spans an 80-kilometre strike length
 across multiple pits and remains a key economic driver in Central Queensland. BUMA Australia, together
 with its Predecessor Operations, has delivered mining services at Blackwater since 2012, employing
 approximately 390 permanent personnel and drawing on experience with the site’s complex geology. The
 company upholds industry-leading safety performance and leverages advanced monitoring systems, both
 third party and in-house for predictive maintenance and real-time fleet optimization.

“This renewed partnership with Whitehaven strengthens our portfolio of Tier-1 operations and reinforces
 BUMA’s reputation for delivering sustainable, world-class performance,” said Iwan Fuad Salim, Director of
 BUMA International Group. “It enhances the Group’s earnings visibility and cash-flow stability through long-
 term partnerships with high-quality clients, while supporting our broader growth and diversification
 strategy.”

 Beyond operations, BUMA Australia continues to generate local and social value across Central
 Queensland. At Blackwater, the company actively supports local initiatives through job creation, skills




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